Earth Sciences Division (ESD) Department of Energy (DOE) Lawrence Berkeley National Laboratory (LBNL)

Glenn Waychunas's Publications

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Journal Articles and Reports

    Current H index: 35  Current citations (WOS/GS): 5000

    1. Sung, GA Waychunas, YR Shen (2011) Surface-induced anisotropic orientations of interfacial ethanol molecules at air/sapphire (1-102) and ethanol/sapphire (1-102) interfaces. (accepted by J Phys Chem Lett)
    2. J Sung, GA Waychunas, YR Shen (2011) Surface-induced anisotropic orientations of interfacial ethanol molecules at air/sapphire (1-102) and ethanol/sapphire (1-102) interfaces. (accepted by J Phys Chem Lett)
    3. J Sung, L Zhang, C Tian, Y R Shen and G A Waychunas (2011) Effect of pH on the Water/a-Al2O3 (1-102) interface structure studied by Sum-Frequency Vibrational Spectroscopy. (accepted by J Phys Chem C)
    4. J E Katz, X Zhang, K Attenkofer, K Chapman, P Zarzycki, K M Rosso, R W Falcone, G A Waychunas, B Gilbert (2011) Origin of the differences in redox reactivity of metal (oxyhydr)oxides revealed by time-resolved spectroscopy. (submitted to Nature Geoscience)
    5. G He, G Pan, M Zhang, G A Waychunas (2011) Coordination structure of adsorbed Zn(II) at Water-TiO2 Interfaces.  Environ. Sci. Technol. LBNL-4274E
    6. J Sung, L Zhang, C Tian, G A Waychunas and Y R Shen (2011) Surface structure of protonated R-plane sapphire (1-102) studied by Sum-Frequency Vibrational Spectroscopy.  J Amer Chem Soc 133:3846-3853
    7. B Gilbert, J Katz, J Denlinger,Y Yin , R Falcone and G A Waychunas (2010) Soft X-ray Spectroscopy Study of the Electronic Structure of Oxidized and Partially-Oxidized Magnetite Nanoparticles. J Phys Chem C 114:21994-22001.
    8. Y-S Jun, B Lee, G A Waychunas (2010) In situ Observations of Nanoparticle early development kinetics at mineral-water interfaces. Environ. Sci. Tech. 44: 8182-8189.
    9. J Katz, B Gilbert, X Zhang, K Attenkofer, R Falcone, G Waychunas (2010) Time-resolved x-ray spectroscopy of ferrous iron formation in dye-sensitized maghemite nanoparticles. J Phys Chem Lett.  1(9) 1372-1376.
    10. H Zhang, B Chen, Y Ren, G A Waychunas and J F Banfield (2010) Response of nanoparticle structure to different types of surface environments: Wide-angle x-ray scattering and molecular dynamics simulations.  Phys. Rev B 81: 125444
    11. S K Ghose, G Waychunas, P Eng, T Trainor (2010) Hydrated Goethite (a-FeOOH) (100) Interface Structure: Ordered Water and Surface Functional Groups LBNL-61147 Geochim Cosmochim Acta 74: 1943-1953.
    12. D Bazin, X Carpentier, I Brocheriou, P Dorfmuller, S Aubert, C Chappard, D Thiaudiere, S Reguer, G Waychunas, P Jungers, M Daudon (2009) Revisiting the localization of Zn2+ cations sorbed on pathological apatite calcifications made through X-ray absorption spectroscopy. Biochimie  91: 1294-1300.
    13. D Spagnoli, B Gilbert, G A Waychunas and J F Banfield (2009) Prediction of the effects of size and morphology on the structure of water around hematite nanoparticles. Geochim. Cosmochim Acta 73: 4023-4033.
    14. G A Waychunas (2009) Natural nanoparticle structure, properties and reactivity from X-ray studies. Powder Diffraction  24:89-93
    15. Myneni, S.C.B., Waychunas, G.A., Traina, S.J. and Brown, G.E. Jr. “Understanding the speciation of oxoanions in aquatic systems.” (submitted to GCA) LBNL-61156
    16. H Zhang, B Chen, J F Banfield, G A Waychunas (2008) Atomic structure of nanometer-sized amorphous TiO2. Phys. Rev. B 78:214106
    17. L Zhang, C Tian, GA Waychunas, YR Shen (2008) Structures and Charging of a-Alumina (0001)/Water interfaces studies by Sum-Frequency Vibrational Spectroscopy. J Amer. Chem Soc 130:7686-7692.
    18. C Tian, N Ji, G Waychunas, YR Shen (2008) Interfacial structures of acidic and basic aqueous solutions. J Amer Chem Soc 130:13033-13039.
    19. G Waychunas and H Zhang (2008) Structure, Chemistry, and Properties of Mineral Nanoparticles.  Elements 4: 381-387.
    20. D Bazin, X Carpentier, O Traxer, D Thiaudiere, A Somogyi, S Reguer, G Waychunas, M Daudon  (2008) Very first tests on SOLEIL regarding the Zn environment in pathological calcifications made of apatite determined by X-ray absorption spectroscopy. J. Synchrotron Radiation 15:506-509.
    21. M Gaft, L Nagli, G Panczer, G Waychunas and N Porat (2008) The nature of unusual luminescence in natural calcite, CaCO3.  Am. Mineral.  93:158-167
    22. Kim, C.S., Lentini, C.J. and Waychunas, G.A. (2008) Associations between iron oxyhydroxide nanoparticle growth and metal adsorption/structural incorporation. Absorption of Metals by Geomedia II, pp 153-185  eds. M O Barnett and Doug Kent  Elsevier
    23. G A Waychunas, Y.-S. Jun, P. J. Eng, S. Ghose and T. P. Trainor  (2008) Anion sorption topology on hematite: Comparison of arsenate and silicate.  Absorption of Metals by Geomedia II, pp 31-66 eds. M O Barnett and Doug Kent Elsevier LBNL-61150
    24. Benning, L. G. and Waychunas, G.A. Nucleation, growth, and aggregation of mineral phases: mechanisms and kinetic controls. (2008) Chapter 7 in: Kinetics of Water-Rock Interaction,  S.L. Brantley, J D Kubicki and A F White eds.  P. 259-334.  Springer, New York.
    25. KS Tanwar, CS Lo, PJ Eng, JG Catalano, DA Walko, GE Brown, GA Waychunas, AM Chakla, TP Trainor (2007) Surface diffraction study of the hydrated hematite (1-102) surface.  Surf. Sci. 601:460-474.
    26. Lam P, Bishop JK, Henning CC, Marcus MA, Waychunas GA, Fung IY (2006) Wintertime phytoplankton bloom in the Subarctic Pacific supported by continental margin iron. Global Biogeochemical Cycles 20: GB1006 1-12.
    27. W.Jackson, F.Farges, M.Yeager, P.Mabrouk, S.Rossano, G.Waychunas, E.Solomon and G.Brown, Jr (2006) Multi-spectroscopic study of Fe(II) in silicate glasses: Implications for the coordination environment of Fe(II) in silicate melts. Geochim. Cosmochim. Acta  69:4315-4332.  LBNL-60925
    28. Gaft M, Nagli L., Waychunas, G., and Panczer, G. (2005) The nature of red luminescence of natural benitoite BaTiSi3O9.  Mineralogy and Petrology 85:33-44. LBNL-60928
    29. Catalano J.G, Trainor T.P., Eng P.J., Waychunas G.A., and Brown G.E., Jr. (2005) CTR diffraction and grazing-incidence EXAFS study of U(VI) adsorption onto a-Al2O3 and a-Fe2O3 (1¯102) surfaces. Geochimica et Cosmochimica Acta  69: 3555-3572.
    30. Waychunas GA, Trainor T,  Eng P, Catalano J, Brown GE, Rogers J, Bargar J (2005) Surface complexation studied via combined grazing-incidence EXAFS and surface diffraction: arsenate on hematite. Anal. Bioanal. Chem. 383:12-27.
    31. Waychunas, G.A., Kim, C., Banfield, J.F. (2005) “Nanoparticulate iron oxide minerals in soils and sediments: Unique properties and contaminant scavenging mechanisms.” J. Nanoparticulate Res. 7:409-433.
    32. Knotts, C., Toney, M., Waychunas G.A. (2005) Meeting Reports: SSRL 31st Annual Users’ Meeting and Workshops.  Synchrotron Rad. News 18:11-19.
    33. Ostroverkhov V, Waychunas GA, Shen YR. “New information on water interfacial structure revealed by phase sensitive surface spectroscopy.” Phys Rev Letters 94:046102 1-4 (2005).
    34. Trainor, T., Eng, P., Brown, G.E., Waychunas, G., Newville, M., Sutton, S. and Rivers, M., Structure and reactivity of the hydrated hematite (0001) Surface.  (2004) Surface Science 573:204-224.
    35. Rogers JH,  Bargar JR, Waychunas GA, Yoon TH, Brown GE (2004) A novel spectrometer system for hard x-ray interfacial environmental chemistry.  Amer Inst Phys Conf Proc 708:981-984.
    36. Gaft M, Nagli L, Waychunas G, Vaiss D “The nature of blue luminescence of natural Benitoite BaTiSi3O9” J Phys Chem Minerals 31:365-373 (2004).
    37. Gilbert B, Zhang H, Huang F, Banfield J, Ren Y, Haskel D, Lang J, Srajer G, Jurgensen A, Waychunas G. “Analysis and simulation of the structure of nanoparticles that undergo a surface-driven structural transformation.” J Chem Phys 120:11785-11795 (2004).
    38. Gilbert, B., Huang, F., Zhang, H., Waychunas G. and Banfield, J.F. “Nanoparticles: strained and stiff.”  Science  305:651-654 (2004).
    39. Ostroverkhov, V., Waychunas, G.A. and Shen, Y.R. Water alignment at (0001) surface of a-quartz studied by sum frequency vibrational spectroscopy. Chem. Phys. Lett. 386: 144-148 (2004).
    40. Shaughnessey, D., Booth, C., Nitsche, H., Shuh, D., Waychunas, G., Wilson, R., Gill, H., Cantrell, K. and Serne, R. “Molecular interfacial reactions between Pu(VI) and manganese oxide minerals manganite and hausmannite.”  Environ. Sci. Tech.  37:3367-3374 (2003).
    41. Gilbert, G., Zhang, H., Huang, F., Finnegan, M.P., Waychunas, G.A. and Banfield, J.F. Special phase transformation and crystal growth pathways observed in nanoparticles.  Geochem. Trans. 4, 20-27 (2003).
    42. Trainor, T., Eng, P., Brown, G.E., Waychunas, G., Newville, M., Sutton, S. and Rivers, M., Crystal truncation Rod Diffraction Study of the hydrated a-Fe2O3 (0001) Surface. 2002 Annual report, Advanced Photon Source (2003).
    43. Waychunas, G.A., Rehr, J.J., Fuller, C.C., and Davis, J.A. " Surface Complexation and Precipitate Geometry for Aqueous Zn(II) Sorption on Ferrihydrite: II. XANES analysis.  Geochimica et Cosmochimica Acta 67: 1031-1043. (2003)
    44. Shaughnessey, D., Nitsche, H., Booth, C., Shuh, D., Waychunas, G., Wilson, R., Cantrell, K. and Serne, R. (2002) Complexation and Redox Interactions between aqueous Plutonium and manganese oxide interfaces. Proc. Actinide 2001 Int. Conf., November 4-9, 2001, Hayama, Japan, J. Nucl. Sci. Technol. (2002) Suppl. No. 3.  LLNL-47777
    45. Waychunas, G.A. Luminescence of Natural and Synthetic Apatites. Reviews in Mineralogy and Geochemistry 48, 701-742. (2002) [Book Chapter].
    46. Waychunas, G.A.  Grazing Incidence x-ray spectroscopy of Mineral surfaces. Review in Mineralogy and Geochemistry 49, 267-315. (2002) [Book Chapter]
    47. Waychunas, G.A., Fuller, C.C., and Davis, J.A. " Surface Complexation and Precipitate Geometry for Aqueous Zn(II) Sorption on Ferrihydrite: I. EXAFS analysis. Geochim. Cosmochim. Acta 66: 1119-1137 (2002).
    48. Shaughnessey, D.A., Booth, C.H., Nitsch, H., Shuh, D. K., Waychunas, G.A., Wilson, R., Cantrell, K. and Serne, R.J. “Pu redox reactions and sorption on manganese hydroxide surfaces.” J. Amer. Chem. Soc. 2001
    49. Waychunas, G.A.  “Structure, Aggregation and Characterization of Nanoparticles”. Reviews in Mineralogy and Geochemistry 44: 105-166 (2001) [Book Chapter].
    50. Astheimer, R., Bennett, K., Brown, GE., Hoy, J., Jones, K.W., Sturchio, N.C., Sutton, S. R., Waychunas, G.A. and Woodward, N.B.  “Inside rocks”. GEOTIMES 45, 20-23 (2000).
    51. Eng, P. J., Trainor, T.P., Brown, G.E., Waychunas, G.A., Newville, M., Sutton, S.R. and Rivers, M.L  “Structure of the hydrated alpha-Al2O3 (0001) surface.  Science 288, 1029-1033 (2000).
    52. Savage, K.S., Tingle, T.N., O’Day, P.A., Waychunas, G.A. and Bird, D.K. Arsenic speciation in pyrite and secondary weathering phases, Mother Lode Gold District, Tuolumne County, California. Applied Geochemistry, 15, 1219-1244 (2000).
    53. Newville, M., Carroll, S.A., O’Day, P. A., Waychunas, G.A. and Ebert, M. “A web-based library of XAFS data on model compounds.” J. Synchrotron Radiation, 6, 276-277 (1999)
    54. Waychunas, G., Davis, J. and Reitmeyer, R. “Grazing-incidence EXAFS study of Fe3+ sorption on single crystal quartz substrates.”  J. Synchrotron Radiation 6, 615-617 (1999).
    55. Waychunas, G., Davis, J. and Reitmeyer, R.  “Aqueous Fe3+ sorption on Silica Surfaces.”  1997 SSRL Activity Report, 7, 145-147 (1998).
    56. O'Day, P.A., Carroll, S.A., Waychunas, G.A., Ebert, M., Sahai, N., Villinski, J., Garvie, L., Savage, K. and Bird, D.  "Coordination and Bonding of Metal ions in Natural Soils and Sediments using XAS." 1997 SSRL Activity Report, 7, 174-177 (1998).
    57. Ravikumar, R., Fuerstenau, D.W. and Waychunas, G.A. “Characterization of Silver Binding in Cryptomelane by X-ray Absorption Spectroscopy.” Materials Research Society symposium proceedings 524, 353-358 (1998).
    58. Myneni, S.C.B., Traina, S.J., Waychunas, G.A. and Logan, T.J. "Vibrational spectroscopy of functional group chemistry and arsenate coordination in ettringite." Geochimica et Cosmochimica Acta 62, 3499-3514 (1998).
    59. Boyle-Wight, E., Katz, L.E., Waychunas, G.A. and Hayes, K.F.  “Multisolute Metal ion sorption at the g-Al2O3/water interface.” Min. Mag. 62A, 221-222 (1998).
    60. Myneni, S., Traina, S., Waychunas, G. and Logan, T. “Arsenate interactions with CaO: Formation of Johnbaumite.” Min. Mag. 62A, 1050-1052 (1998).
    61. O’Day, P. A., Carroll, S. A. and Waychunas, G.A.  “Rock-Water Interactions controlling Zinc, Cadmium, and Lead concentrations in Surface waters and sediments, U.S. tri-State Mining District. 1. Molecular Identification using x-ray Absorption Spectroscopy.” Environ. Sci. Technol. 32, 943-955 (1998).
    62. Myneni, S.C.B., Traina, S.J., Waychunas, G.A. and Logan, T.J. "Experimental and Theoretical Vibrational Spectroscopic Evaluation of Arsenate coordination in Aqueous solutions and Solids." Geochimica et Cosmochimica Acta 62, 3285-3300 (1998).
    63. O’Day, P., Carroll, S., Waychunas, G., Newville, M., Ebert, M., Villinski, J., Garvie, L., Savage, K., Tingle, T. and Bird, D. "Coordination and Bonding of Metal Ions in Natural Soils and Sediments Using XAS." 1996 SSRL Activity Report, A245-A248 (1997).
    64. Waychunas, G.A., Davis, J.A., Kohler, M., Reitmeyer, R. and Fuller, C.C.  "Aqueous Fe3+ Sorption on Silica Surfaces."  1996 SSRL Activity Report, A202-A205 (1997).
    65. Myneni, S. C. B., Traina, S.J., Logan, T.J. and Waychunas, G.A.  "Oxyanion Behavior in Alkaline Environments: I Sorption and Desorption of Arsenate in Ettringite." Environ. Sci. and Technol., 31, 1761-1768 (1997).
    66. Myneni, S.C.B., Traina, S.J., Waychunas, G.A. and Logan, T.J.  "XAS Studies of AsO4 and CrO4 Interactions in Ettringite." 1995 SSRL Activity Report, 202-204 (1996).
    67. O'Day, P.A., Ebert, M., Carroll, S.A., Waychunas, G.A., Bird, D.K. and Neuhoff, P.  "Coordination and Bonding of Metal Ions in Natural Soils and Sediments Using XAS." 1995 SSRL Activity Report, 250-253 (1996).
    68. Prewitt, C., Rivers, M., Sutton, S. and Waychunas, G.  "GeoSoilEnviroCARS at the Advanced Photon Source: A New X-ray Facility for Earth Science Research." EOS Oct 1996.
    69. Waychunas, G.A, Fuller, C.C., Rea, B.A. and Davis, J.A. "Wide Angle X-ray Scattering (WAXS) Study of "two-line" Ferrihydrite Structure and the Effect of Arsenate Sorption: Comparison with EXAFS Results."   Geochimica et Cosmochimica Acta 60, 1765-1781 (1996)
    70. Waychunas, G.A., Davis, J.A., and Fuller, C.C.  "Geometry of sorbed arsenate on ferrihydrite and crystalline FeOOH: Re-evaluation of EXAFS results and topological factors in predicting sorbate geometry, and evidence for monodentate complexes."  Geochemica et Cosmochimica Acta 59, 3655-3661 (1995).
    71. Waychunas, G., Xu, N., Davis, J.A., Fuller, C.C. and Bigham, J. "EXAFS study of AsO4-3 and SeO4-2 -Substituted Schwertmannites." Physica B 208-209, 481-483 (1995).
    72. Waychunas, G.A. and Tarashchan, A.   "Luminescence of Minerals.  Interpretation of the luminescence spectra in terms of Band theory, Crystal Field theory, Sensitization and Quenching." Advanced Mineralogy 2,  124-135, Springer Verlag (1995). [Book Chapter]
    73. Manceau, A. and Waychunas, G.A.  "Mineralogical and Geochemical Information from X-ray Absorption Spectroscopy."  Advanced Mineralogy 2, 91-108, Springer Verlag (1995). [Book Chapter]
    74. Myneni, S.C.B., Traina, S.A., Waychunas, G.A. and Logan, T.J.  "Sorption and Coprecipitation of Arsenate and Chromate in Alkaline Environments."  1994 SSRL Activity Report SSRL-1994, 180-183 (1995).
    75. O'Day, P.A., Carroll, S.A., Waychunas, G.A. and Philips, B.  "Trace Element Coordination in Natural Sediments at Ambient and Cryogenic Temperatures." 1994 SSRL Activity Report SSRL-1994, 57-60 (1995).
    76. Waychunas, G.A., Fuller, C.C. and Davis, J.A.  "Sorption of Aqueous Zn2+ on Ferrihydrite: Observation of the Onset of Precipitation".  1994 SSRL Activity Report SSRL-1994, 78-80 (1995).
    77. Farges, F., Brown, G.E. Jr., Calas, G., Galoisy, L. and Waychunas, G.A.  "Coordination change around 2 wt% Ni in Na2Si2O5 glass/melt systems."  Physica B 208-209, 381-382 (1995)
    78. O'Day, P.A., Carroll, S.A., Waychunas, G.A. and Phillips, B.  "XAS of Trace Element Coordination in Natural Sediments at Ambient and Cryogenic Temperatures."  Physica B 208-209, 309-310 (1995).
    79. Farges, F., Brown, G.E., Jr., Calas, G., Galoisy, L. and Waychunas, G.A.  "High-Temperature XAFS spectroscopy of oxide crystals and melts:  Anharmonicity, bond strength, and local structure."  1993 SSRL Activity Report SSRL-1993, 112-115 (1994).
    80. Farges, F., Brown, G.E., Jr., Calas, G., Galoisy, L. and Waychunas, G.A.  "Structural Transformations in Ni-bearing Na2Si2O5 Glass and Melts."  Geophysical Research Letters 21, 1931-1934 (1994).
    81. Waite, T.D., Davis, J.A., Payne, T.E., Waychunas, G.A. and Xu, N. "Uranium (VI) Adsorption to Ferrihydrite: Application of a surface complexation model."  Geochimica et Cosmochimica Acta 58, 5465-5478 (1994).
    82. Waychunas, G.A. and Brown, G.E., Jr.  "Fluorescent Yield XANES and EXAFS Experiments: Applications to highly dilute and surface samples."  Advances in X-Ray Analysis, Vol. 37, Plenum Publishing, 607-617, (1994).
    83. Waychunas, G.A., Dollase, W.A. and Ross, C.R. "Short range order (SRO) measurements in MgO-Fe1-xO and MgO-LiFeO2 solid solutions by DLS  simulation-assisted EXAFS analysis."  American Mineralogist 79, 274-288 (1994).
    84. Rea, B.A., Davis, J.A. and Waychunas, G.A.  "Studies of the reactivity of the ferrihydrite surface by iron isotope exchange and Mössbauer spectroscopy", Clays and Clay Minerals 42, 23-34 (1994).
    85. Brown, G.E. Jr.,Farges, F., Calas, G., Galoisy,L., Waychunas, G.A., Xu, N., Schwartz, B. and Dupon, R.W.  "High Temperature XAS Studies of Nucleation in Glass-Ceramic and of Silicate and Germanate Melt Structures," 1992 SSRL Activity Report, SSRL-1992, 87 (1993).
    86. Emmanual Fritsch and Glenn Waychunas.  "The Fluorescence of gemstones",  Chapter 15 in: Manual Robbins, ed., Fluorescence, Gems and Minerals under Ultraviolet light,  Geoscience Press, Phoenix, AZ, 149-174, (1993). [Book Chapter]
    87. Jackson, W.E., Mustre de Leon, J., Brown, G.E.,Jr., Waychunas, G.A., Conradson, S.D. and Combes, J.-M.  "High-temperature XAS study of Fe2SiO4 liquid: Reduced coordination of Ferrous Iron"  Science  262, 229-232 (1993).
    88. Fuller, C.C., Davis, J.A., and Waychunas, G.A.  "Surface Chemistry of Ferrihydrite. Part 2.  Kinetics of arsenate adsorption and coprecipitation", Geochimica et Cosmochimica Acta 57, 2271-2282 (1993).
    89. Waychunas, G.A., Rea, B.A., Fuller, C.C. and Davis, J.A.  "Surface Chemistry of Ferrihydrite. Part 1. EXAFS Studies of the Geometry of Coprecipitated and Adsorbed Arsenate", Geochimica et Cosmochimica Acta 57, 2251-2269 (1993).
    90. Brown, G.E.,Jr. and Waychunas, G.A. "X-ray absorption spectroscopy: Introduction to experimental Procedures." in Applications of Synchrotron Radiation to Earth Materials, Workshop Handbook, NSLS Brookhaven National Laboratory, June 18-20, (1992).
    91. Wittenauer, J., Nieh, T.G. and Waychunas, G.A.  "The Structure of Beryllium Foil formed by Hot Rolling"  Journal of Materials Science 27, 2653-2660 (1992).
    92. Waychunas, G.A., Davis, J.A., Fuller, C.C. and Rea, B.A. "Geometry of the adsorbed arsenate complex on ferrihydrite and on crystalline FeOOH polymorphs", 1990 SSRL activity report 91/01, p. 48-50 (1991).
    93. Jackson, W.E., Brown, G.E.,Jr., Waychunas, G.A., Mustre, J., Conradson, S.D. and Combes, J.M.  "In-situ High-Temperature X-ray Absorption Study of Ferrous Iron in Orthosilicate Crystals and Liquids" 1990 SSRL Activity Report 91/01, 39-40 (1991).
    94. Waychunas, G.A.  "Crystal Chemistry of Oxides and Oxyhydroxides", Reviews in Mineralogy, Volume 24, Oxide Minerals, Mineralogical Society of America, 11-68 (1991). [Book Chapter]
    95. Mustre, J., Conradson, S.D., Bishop, A.R., Batistic, I., Jackson, W.E., Brown, G.E., Jr. and Waychunas, G.A.  "XAFS analysis in the anharmonic limit: Applications to Hi-Tc superconductors and ferrosilicates". In: XAFS VI, Sixth Internat. Conf. on X-ray Absorption Fine Structure, ed. S.S. Hasnain, Ellis Horwood Ltd. Publishers, 54-57 (1991).
    96. Jackson, W.E., Brown, G.E., Jr., Waychunas, G.A., Mustre, J., Conradson, S.D. and Combes, J.-M. "In situ high-temperature x-ray absorption study of divalent iron in orthosilicates, crystals, and liquids".  In: XAFS VI, Sixth Internat. Conf. on X-ray Absorption Fine Structure, ed. S.S. Hasnain, Ellis Horwood Ltd. Publishers, 298-301 (1991).
    97. Combes, J.M., Brown, G.E., Jr. and Waychunas, G.A.  "X-ray absorption study of the local environment of Calcium in Silicate glasses", In: XAFS VI, Sixth Internat. Conf. on X-ray Absorption Fine Structure, ed. S.S. Hasnain, Ellis Horwood Ltd. Publishers, 312-314 (1991).
    98. Waychunas, G.A., Rea, B.A., Fuller, C.C. and Davis, J.A. "Fe and As K-edge EXAFS study of arsenate (AsO4)-3 adsorption on "two-line" Ferrihydrite", In: XAFS VI, Sixth Internat. Conf. on X-ray Absorption Fine Structure, ed. S.S. Hasnain, Ellis Horwood Ltd. Publishers, 215-217 (1991).
    99. Waychunas, G.A. and Brown, G.E. Jr.  "Polarized X-ray absorption spectroscopy of metal ions in minerals: Applications to site geometry and electronic structure determination"  Phys. Chem. Minerals 17, 420-430 (1990)
    100. Jackson, W.E., Waychunas, G.A., Brown, G.E., Jr. and Combes, Jean-Marie  "Characterization of the Coordination Environment of Divalent Iron in Silicate Crystals, Glasses and Liquids as a Function of Temperature and Composition using X-ray Absorption Spectroscopy"  SSRL Activity Report 90-01, 46-48 (1990)
    101. Waychunas, G.A. "Applications of Mossbauer goodness-of-fit parameters to experimental spectra: A discussion of random noise versus systematic effects", Am. Mineral. 74, 685-687 (1989).
    102. Waychunas, G.A., Brown, G.E., Jr., Ponader, C.W. and Jackson, W.E. "In-Situ high temperature X-ray absorption study of Iron in alkali silicate melts and glasses", Physica B, 158, 67-68 (1989).
    103. Flinn, P.A. and Waychunas, G.A. "A new X-ray diffractometer design for thin film texture, strain and phase characterization", J. Vacuum Sci. Tech. B, 6, 1749-1755 (1988).
    104. Waychunas, G.A., Brown, G.E., Jr. and Finger, L.W. "Synchrotron X-ray scattering studies of earth materials", in Synchrotron X-ray sources and New Opportunities in the Earth Sciences, Argonne National Laboratory Workshop Jan. 18-20, 1988,  ANL Report ANL/APS-TM-3, 25-44 (1988). [Book Chapter]
    105. Brown, G.E., Jr. and Waychunas, G.A. "Synchrotron-based spectroscopic and anomalous scattering studies of earth materials", in Synchrotron X-ray sources and New Opportunities in the Earth Sciences, Argonne National Laboratory Workshop Jan. 18-20, 1988, ANL Report ANL/APS-TM-3, 69-92 (1988). [Book Chapter]
    106. Waychunas, G.A. "Luminescence, X-ray emission and new spectroscopies", in Reviews in Mineralogy, Ed. Paul H. Ribbe, 18, 639-698 (1988). [Book Chapter]
    107. Brown, G.E., Jr., Calas, G., Waychunas, G.A. and Petiau, J. "X-ray absorption spectroscopy applications in Mineralogy and Geochemistry", in Reviews in Mineralogy, Ed. Paul H. Ribbe, 18, 431-512 (1988). [Book Chapter]
    108. Hawthorne, F.C. and Waychunas, G.A. "Spectrum fitting methods", in Reviews in Mineralogy, Ed. Paul H. Ribbe, 18, 63-98 (1988). [Book Chapter]
    109. Odin, G.S., Bailey, S.W., Amouric, M., Frohlich, F. and Waychunas, G.A. "Mineralogy of the verdine facies", in:  G.S. Odin, ed., Green Marine Clays, Developments in Sedimentology, Elsevier Science Publ., Amsterdam, 159-204 (1988). [Book Chapter]
    110. Waychunas, G.A., Brown, G.E., Jr., Ponader, C.W. and Jackson, W.E. "Evidence from X-ray absorption for network-forming Fe2+ in molten alkali silicates", Nature 332, 251-253 (1988).
    111. Ross, C.R., Bernstein, L.W. and Waychunas, G.A. "Refinement of the crystal structure of Stottite,  FeGe(OH)6" Am. Mineral. 73, 657-661 (1988).
    112. McKeown, D.A. and Waychunas, G.A. "Titanium EXAFS of some Silicate Minerals", National Synchrotron Light Source Annual Report BNL-52131, 3-60 (1987).
    113. Waychunas, G.A., Dollase, W.A. and Ross, C.R. "Extraction of short range order (SRO) parameters from EXAFS second shell amplitudes in oxide and silicate solid solutions", SSRL Activity Report 87-01, 126-127 (1987).
    114. Waychunas, G.A., Brown, G.E., Jr., Ponader, C.W. and Jackson, W.E. "High temperature X-ray absorption study of iron sites in crystalline, glassy, and molten silicates and oxides", SSRL Activity Report 87-01, 1339-141 (1987).
    115. Bernstein, L.W. and Waychunas, G.A. "Germanium crystal chemistry in hematite and goethite from the Apex mine, Ytah, and some new data on Germanium in aqueous solution and in stottite", Geochemica et Cosmochimica Acta 51, 623-630 (1987).
    116. Brown, G.E., Jr., Waychunas, G.A., Calas, G. and Petiau, J. "X-ray absorption spectroscopic studies of minerals and glasses", Phys. Chem. Minerals 15, 19-29 (1987).
    117. Waychunas, G.A. "Synchrotron radiation XANES spectroscopy of Ti in minerals: Effects of Ti bonding distances, Ti valence and site geometry on absorption edge structure", Am. Mineral. 72, 89-101 (1987).
    118. Brown, G.E., Jr., Waychunas, G.A., Stohr, J. and Sette, F. "Near-edge structure of oxygen in inorganic oxides: Effect of local geometry and cation type", Journal de Physique, C8, 12, 685-690 (1986).
    119. Brown, G.E., Jr., Waychunas, G.A., Ponader, C.W., McKeown, D.A. and Jackson, W.E. "EXAFS and NEXAFS studies of cation environments in oxide glasses", Journal de Physique, C8, 12, 661-668 (1986).
    120. Waychunas, G.A. "Examination of Ti XANES spectra of minerals and solids: Effects of site geometry on spectral features", Journal de Physique, C8, 12, 841-844 (1986).
    121. Waychunas, G.A., Dollase, W.A. and Ross, C.R. "EXAFS study of short range order (SRO) in oxide and silicate solid solutions", Journal de Physique, C8, 12, 845-848 (1986).
    122. Waychunas, G.A. "Performance and use of Mossbauer goodness-of-fit parameters: Response to spectra of varying signal/noise ratio and possible misinterpretations", Am. Mineral., 71, 1261-1265 (1986).
    123. Waychunas, G.A. and Brown, G.E., Jr. "K-edge X-ray absorption spectra of Fe in minerals and model compounds, II. EXAFS", Phys. Chem. Minerals, 13, 1-17 (1986).
    124. McKeown, D.A., Waychunas, G.A. and Brown, G.E., Jr. "EXAFS and XANES study of the local coordination environment of Na in a series of silica-rich glasses and selected minerals within the Na­­2O-Al2O3-SiO2 system", J. Non-Cryst. Solids, 74, 325-348 (1985).
    125. McKeown, D.A., Waychunas, G.A. and Brown ,G.E., Jr. "EXAFS study of the coordination environment of Al in a series of silica-rich glasses and selected minerals within the Na2O-Al2O3-SiO2 system", J. Non-Cryst. Solids, 74, 349-371 (1985).
    126. Apted, M.J., Waychunas, G.A. and Brown, G.E., Jr. "Structure and speciation of Fe complexes in aqueous solutions determined by X-ray absorption spectroscopy", Geochimica et Cosmochimica Acta., 49, 2081-2089 (1985).
    127. McKeown, D.A., Waychunas, G.A. and Brown, G.E., Jr. "Local coordination environments of Na in a series of silica-rich glasses and selected minerals within the Na2O-Al2O3-SiO2 system", 3rd International Conference on EXAFS, Stanford, California July 1984, Springer Proceedings in Physics, 2, 308-310 (1984).
    128. Waychunas, G.A. and Brown, G.E., Jr. "Applications of EXAFS and XANES studies to problems in mineralogy and geochemistry", invited paper, 3rd International Conference on EXAFS, Stanford, California July 1984, Springer Proceedings in Physics, 2, 336-342 (1984).
    129. Brown, G.E., Jr., Waychunas, G.A., Mossotti, V., McKeown, D., Rowen, M., Boek-Ponader, H., Pressesky, J. and Vaughan, A. "K-XANES and EXAFS investigation of Na, K, and Ca environments in amorphous and crystalline aluminosilicates", SSRL Activity Report 83-01, VII 148-VII 149 (1983).
    130. Brown, G.E., Jr., Dikmen, F.D. and Waychunas, G.A. "Total electron yield K-XANES and EXAFS investigation of aluminum in amorphous and crystalline aluminosilicates", SSRL Activity Report 83-01, VII 146-VII 147 (1983).
    131. Waychunas, G.A., Apted, M.J. and Brown, G.E., Jr. "X-ray K-edge absorption spectra of Fe minerals and model compounds. I. Near edge structure", Phys. Chem. Minerals 10, 1-9 (1983).
    132. Waychunas, G.A. and Rossman, G.R. "Spectroscopic standard for tetrahedrally coordinated ferric iron: gLiAlO2:Fe3+" Phys. Chem. Minerals  9, 212-215 (1983).
    133. Waychunas, G.A. "Mossbauer, X-ray and EXAFS study of Fe3+ clustering in MgO and MgO-Fe1-xO: Evidence for specific cluster geometries", J. Materials Science, 18, 195-207 (1983).
    134. Waychunas, G.A. "Mathematical Techniques in Crystallography and Materials Science, E. Prince, Springer-Verlag, 1982", Amer. Assn. Cryst, Growth Newsletter, 12, 4 (Book Review) (1982).
    135. Waychunas, G.A. "Advances in X-ray Analysis, Vol. 24, Plenum Press, New York", Am. Mineral., 67, 1083 (Book Review) (1982).
    136. Apted, M.J., Waychunas, G.A. and Brown, G.E., Jr. "EXAFS study of iron and zinc complexes in hydrothermal solutions", 8th Annual SSRL Users Group Mtg., SSRL Report 81-03, 21-22 (1981).
    137. Waychunas, G.A. "Mossbauer, X-ray, optical and chemical study of cation arrangements and defect association in Fm3m solid solutions in the system periclase-wustite-lithium ferrite", Ph.D. Thesis, Geochemistry, UCLA, University Microfilms, Ann Arbor, Michigan, 456 p. (1979).
    138. Finnerty, T.A., Waychunas, G.A. and Thomas, W.M. "The preparation of starting mixes for mineral synthesis by a freeze-dry technique", Am. Mineral., 63, 415-18 (1978).

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    Book Chapters

    1. Kim, C.S., Lentini, C.J. and Waychunas, G.A. “Associations between iron oxyhydroxide nanoparticle growth and metal adsorption/structural incorporation.” Absorption of Metals by Geomedia II, pp 153-185  eds. M O Barnett and Doug Kent  Elsevier
    2. GA Waychunas, Y.-S. Jun, P. J. Eng, S. Ghose and T. P. Trainor  Anion sorption topology on hematite: Comparison of arsenate and silicate.  Absorption of Metals by Geomedia II, pp 31-66  eds. M O Barnett and Doug Kent  Elsevier  LBNL-61150
    3. Benning, L. G. and Waychunas, G.A. Nucleation, growth, and aggregation of mineral phases: mechanisms and kinetic controls. In: Kinetics of Water-Rock Interaction   88 pp  Springer (2007)
    4. Waychunas, G.A. Luminescence of Natural and Synthetic Apatites. Reviews in Mineralogy and Geochemistry  48, 701-742. (2002)
    5. Waychunas, G.A.  Grazing Incidence x-ray spectroscopy of Mineral surfaces. Reviews in Mineralogy and Geochemistry 49, 267-315. (2002)
    6. Waychunas, G.A.  “Structure, Aggregation and Characterization of Nanoparticles”. Reviews in Mineralogy and Geochemistry 44: 105-166 (2001)
    7. Waychunas, G.A. and Tarashchan, A.   "Luminescence of Minerals.  Interpretation of the luminescence spectra in terms of Band theory, Crystal Field theory, Sensitization and Quenching." Advanced Mineralogy 2,  124-135, Springer Verlag (1995).
    8. Manceau, A. and Waychunas, G.A.  "Mineralogical and Geochemical Information from X-ray Absorption Spectroscopy."  Advanced Mineralogy 2, 91-108, Springer Verlag (1995).
    9. Emmanual Fritsch and Glenn Waychunas.  "The Fluorescence of gemstones",  Chapter 15 in: Manual Robbins, ed., Fluorescence, Gems and Minerals under Ultraviolet light,  Geoscience Press, Phoenix, AZ, 149-174, (1993).
    10. Waychunas, G.A.  "Crystal Chemistry of Oxides and Oxyhydroxides", Reviews in Mineralogy, Volume 24, Oxide Minerals, Mineralogical Society of America, 11-68 (1991).
    11. Waychunas, G.A., Brown, G.E., Jr. and Finger, L.W. "Synchrotron X-ray scattering studies of earth materials", in Synchrotron X-ray sources and New Opportunities in the Earth Sciences, Argonne National Laboratory Workshop Jan. 18-20, 1988,  ANL Report ANL/APS-TM-3, 25-44 (1988).
    12. Brown, G.E., Jr. and Waychunas, G.A. "Synchrotron-based spectroscopic and anomalous scattering studies of earth materials", in Synchrotron X-ray sources and New Opportunities in the Earth Sciences, Argonne National Laboratory Workshop Jan. 18-20, 1988, ANL Report ANL/APS-TM-3, 69-92 (1988).
    13. Waychunas, G.A. "Luminescence, X-ray emission and new spectroscopies", in Reviews in Mineralogy, Ed. Paul H. Ribbe, 18, 639-698 (1988).
    14. Brown, G.E., Jr., Calas, G., Waychunas, G.A. and Petiau, J. "X-ray absorption spectroscopy applications in Mineralogy and Geochemistry", in Reviews in Mineralogy, Ed. Paul H. Ribbe, 18, 431-512 (1988).
    15. Hawthorne, F.C. and Waychunas, G.A. "Spectrum fitting methods", in Reviews in Mineralogy, Ed. Paul H. Ribbe, 18, 63-98 (1988).
    16. Odin, G.S., Bailey, S.W., Amouric, M., Frohlich, F. and Waychunas, G.A. "Mineralogy of the verdine facies", in:  G.S. Odin, ed., Green Marine Clays, Developments in Sedimentology, Elsevier Science Publ., Amsterdam, 159-204 (1988).

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    Invited Presentations

    (Since 2000, inclusive of those abstracted)

    1. IMA talk  August 2010
    2. Goldschmidt talk  June 2010
    3. Div Review talk March 24, 2010
    4. ACS talk March 21, 2010
    5. Princeton Talk Jan 21, 2010
    6. Shanghai talk Nov 2009
    7. Earth and Planetary Sciences Dept. UC Berkeley, Sept. 10 2009  “Mineralogy and geochemistry in 2 dimensions:  Mineral surface and interface structure, and connection to nanomineralogy.”
    8. Goldschmidt International Conference Davos Switzerland, June 2009 “Ordered water structure at mineral-water interfaces: Consequences for sorption, precipitation and pore solution transport.”
    9. ACS annual meeting, Salt Lake City, Utah   March 24 2009  “Sulfate sorption and incorporation into iron oxyhydroxide minerals.”
    10. ACS annual meeting, Salt Lake City, Utah   March 22 2009  “The crystal chemistry of iron- oxyhydroxide-silica interfacial reactions.”
    11. ACS annual meeting, Salt Lake City, Utah March 24 2009 “Predicting the effect of ordered water On the adsorption of ions on nanoparticle surfaces and aggregation of hematite nanoparticles.”
    12. Surface and Catalysis Science Seminar MSD LBNL Nov 20, 2008  “The structure of water near mineral oxide surfaces: A holistic approach including CTR, PS-SFVS, simulations, and other constructs.”
    13. SSRL Annual meeting Workshop on EXAFS analysis  Oct 2008  “Complementary nanoparticle structural analysis using EXAFS, XANES, PDF and simulations.”
    14. Denver X-ray Conference  August 5, 2008 "Natural nanoparticle shape, structure, properties and reactivity from x-ray studies" (invited-plenary)
    15. DOE BES Program 2008 Analysis, Imaging, and Separations Research Meeting.Annapolis, MD May 4-7, 2008 “Time-resolved and Ultrafast imaging of redox processes on mineral surfaces.”
    16. SSRL  XAS Workshop  May 20, 2008 “Grazing Incidence and polarized XAS measurements:  theory, utility and experimental considerations.”
    17. ACS National Meeting, Chicago March 2007 “Strengths and weaknesses of structure probes for poorly crystalline and nanocrystalline minerals.” (invited-keynote)
    18. Washington University in St. Louis,  March 2007 “Structure and chemistry of the mineral-water interface: A molecular view.”
    19. NSLS  Feb 2007  “Silicate passivation of Fe oxide surfaces studied via a new technique: soft x-ray grazing-incidence x-ray spectroscopy”
    20. CEKA EMSI  meeting  Penn State Univ Oct 19, 2007  “Synchrotron scattering and spectroscopy Methods applied to interface kinetics.”
    21. GSA National Meeting  Oct 29, 2007 “There’s plenty of time at the beginning: time-resolved and ultrafast measurements of geochemical reactions.”
    22. NIRT NSF nanoparticle symposium 17 Jan 2006 “Nanoparticles, Surface structure, and crystal chemistry” Albuquerque, NM  (invited-keynote)
    23. ACS National Meeting, March 27, 2006  “Anion sorption topology on hematite: Comparison of arsenate and silicate.”  Atlanta GA
    24. Goldschmidt Conference August 29, 2006 Melbourne Australia “Nanoparticle Structure, Surface Structure, and Crystal Chemistry” (invited-keynote)
    25. ACS National Meeting, San Francisco CA  September 2006 LBNL-61141 “Probing water structure at mineral-water and water-vapor interfaces: New possibilities for molecular geochemistry.”  (invited-keynote)
    26. Glenn T. Seaborg  Center Presentation, LBNL November 10, 2006 “Crystal truncation rod surface diffraction studies of hydrated oxide surfaces: Equilibrium structure, sorption effects, and time-resolved experiments.”
    27. SSRL  PRP Panel Meeting   “SSRL User Organization functions and activities.” Feb 16, 2005
    28. DOE PI Geochemistry Symposium  “Water at Mineral Surfaces: New Information from Phase-Sensitive Sum Frequency Vibrational Spectroscopy (PS-SFVS)”  June 6, 2005
    29. CEKA All-hands workshop Sept 15-16, 2005 “Synchrotron techniques for characterizing precipitation”  Penn State University, University Park PA
    30. SSRL User Meeting symposium 17 Oct 2005 “SSRL Users’ Organization Highlights” Stanford
    31. SSRL User Meeting symposium 17 Oct 2005 “Combining crystal truncation rod diffraction and grazing-incidence XAS information to determine surface complexation geometry” Stanford
    32. SLAC Users meeting  10 Sept. 2005  “SSRL 2005 Update for SLAC Users” Stanford
    33. Actinide XAS 2004, LBNL 14-16 Sept. 2004 “Combined Surface EXAFS and Surface Diffraction analysis of arsenate complexation on hematite single crystals.”
    34. NIRT workshop on nanotechnology, Tempe AZ December 5-7, 2004  “Surface complexation geometry obtained from in-situ surface x-ray diffraction.”
    35. CEKA EMSI Workshop  Penn State Univ.  October 21, 2004. “Synchrotron applications in mineral reaction kinetics.”
    36. DOE PI Geochemistry Symposium  Argonne National Laboratory March 7, 2003.  “Comparison of multiple scattering XANES and EXAFS analysis of Zn sorption on ferrihydrite.”
    37. IUPAC meeting  Qttawa Canada August 10-15, 2003  “Crystal Truncation Rod (CTR) diffraction and Grazing-incidence EXAFS (GIXAFS) studies of Molecular Structure at the Mineral-Water Interface.”
    38. PNNL Symposium on nanogeochemistry. May 21, 2002.  “Structural studies on sulfate bonding in schwertmannite and iron oxides.”
    39. Mineralogical Society of America/Geochemical Society Short Course.  Golden, CO.  October 28, 2001.   “Luminescence of natural and synthetic apatites.”
    40. Mineralogical Society of America/Geochemical Society Short Course.  Monterey, CA.  December 3-5, 2002. “Grazing-incidence x-ray studies of sorption process on mineral surfaces.”
    41. NSF-NRC NanoGeoscience workshop. LBNL June 14, 2002 “How do bulk crystal surfaces differ from nanocrystal surfaces?”
    42. Physics dept. UC Berkeley  July 12, 2002  “Importance of water structure in defining complexation on mineral surfaces.”
    43. ALS Users meeting, October 10-12, 2002  “Applications in sulfur geochemistry at the Advanced Light Source.”
    44. NSF headquarters Washington, D.C. October 21, 2002. “Report on the NanoGeoscience workshop at Berkeley, June 14-16, 2002.”
    45. GSA National meeting, Symposium on phosphates.  Denver, CO  October 29, 2002 “Apatite Luminescence”.
    46. Canadian Light Source Users meeting, Saskatoon, Canada November 15, 2002 “Applications of x-ray spectroscopy to the Environmental sciences.
    47. MSA/Geochemical society shortcourse on synchrotron radiation.  Carmel, CA  December 4, 2002  “Grazing incidence x-ray absorption and emission spectroscopy.”
    48. Molecular Environmental Science Workshop, Advanced Light Source, April 30, 2001 “Complementary spectroscopic measurements at the mineral-water interface.”
    49. University of California, Davis  Geology Department, May 9, 2001.  “Mineralogical Structural problems addressible with synchrotron x-ray methods”.
    50. Goldschmidt Conference.  Hot Springs, Virginia, May 21, 2001. “Reanalysis of the schwertmannite structure and the incorporation of SO42- groups: an IR, XAS, WAXS and simulation study”.
    51. European Conference on Mineralogy and Crystallography. September 13, 2001. Paris, France. “Applications of Grazing Incidence x-ray spectroscopy for Mineralocial and Geochemical analysis”.
    52. ALS Workshop on Molecular Environmental Science and Theory, Computation and Synchrotron Experiments.  Berkeley, October 16, 2001. “X-ray Spectroscopy of Environmental Nanomaterials”.
    53. Mineralogical Society of America/Geochemical Society Short Course.  Davis, CA December 7, 2000. “Growth, structure and aggregation of nanoparticles.”
    54. University of Western Ontario, London, Ontario, Canada.  March 16, 2000.  “New Developments in MES at the ALS and APS”.
    55. Stanford University Geological and Environmental Sciences Dept. April 29, 2000.  "The structure of water near mineral interfaces: effects on sorption and surface precipitation reactions."
    56. Workshop 5, 10th APS Users meeting, May 4, 2000. “XANES and EXAFS studies of aqueous Zn precipitation on hydrous ferric oxide.”
    57. Santa Fe V Conference on Rock Magnetism, July 21, 2000.  “Synchrotron-based micro techniques for the characterization of minor phases.” (invited-keynote)
    58. ALS Synchrotron Science Group Meeting, September, 21, 2000. “Mineral surface reactions and structure: GIXAS and CTR studies.”
    59. ALS Users Meeting, Workshop on Superbend Hard X-ray applications,  October, 18, 2000.  “Grazing incidence surface geochemistry studies with hard x-rays”.

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    Abstracts

    Submitted, published and extended

    1. Fernandez-Martinez A, Cuello G, Bourg I, Johnson M, Waychunas G, Sposito G and Charlet L  “Water structure and hydration properties of Imogolite nanotubes. Goldschmidt meeting Prague, Czech Republic Aug 18, 2011
    2. Waychunas G, Sung J and Shen Y R  “Sum frequency vibrational spectroscopy of water and hydroxyls on the corundum (1-102) surface: Acid-base properties from direct observation of protonation states. Goldschmidt meeting Prague, Czech Republic Aug 18, 2011 (invited)
    3. Gilbert B, Katz J, Zhang X, Attenkofer K, Frandsen C, Zarzycki P, Rosso K, Waychunas G “origin of the differences in redox reactivity of iron oxyhydroxides revealed by time-resolved spectroscopy. Goldschmidt meeting Prague, Czech Republic Aug 18, 2011
    4. Jun Y-S, Lee B, Hu Y, Ray J, Waychunas G and Fernandez-Martinez A “ Nucleation and growth mechanisms and kinetics of environmentally important oxides and carbonates” Goldschmidt meeting Prague, Czech Republic Aug 17, 2011 (keynote)
    5. G A Waychunas Princeton talk  March  23 “What do we understand about natural nanoparticles?” (invited)
    6. G A Waychunas  “Low dimensional mineralogy: surfaces, bound interfacial water and nanoparticles” Geophysical Laboratory (Carnegie Institution Washington) talk  March 21. 2011 Washington DC (invited)
    7. A Fernandez-Martinez, Y Hu, Y-S Jun, G A Waychunas  “New insights into the structure of Amorphous Cacium Carbonate from neutron and X-ray scattering investigations.”  ACA meeting  June 1, 2011 New Orleans
    8. B Gilbert, P Eng, J F Banfield and G A Waychunas “Crystal truncation rod studies of the Pyrite (001) surface.” International Mineralogical Association General Meeting Budapest, Hungary August 26, 2010 (invited)
    9. G A Waychunas “Mineralogy and geochemistry at lower dimensionality: Mineral-water interfaces and nanoparticles.” International Mineralogical Association General Meeting Budapest, Hungary August 27, 2010 (invited-plenary)
    10. S K Ghose, G A Waychunas, P J Eng, T P Trainor “Structure and Reactivity of Hydrated Goethite (100) Interface and Arsenic Sorption: CTR and RAXR Study.” Goldschmidt meeting, Knoxville TN June 13-18, 2010 (invited)
    11. D M Singer, J F Banfield, G A Waychunas  “Identification of U(VI) Sorption Products and Precipitates on magnetite by GI-SAXS, GI-XAS, and Microscopy.” Goldschmidt meeting, Knoxville TN June 13-18, 2010 (submitted)
    12. J F Banfield, H Zhang, B Gilbert, K H Williams, S Singer, G Waychunas  “A Perspective on nanominerals and their Roles in Microbial Ecosystems.” Goldschmidt meeting, Knoxville TN June 13-18, 2010 (invited)
    13. J E Stubbs, P J Eng, G A Waychunas, M T Paffett, J R Bargar  “ Structure of hydrated UO2 surfaces.”   Goldschmidt meeting, Knoxville TN  June 13-18, 2010
    14. Y-S Jun, G A Waychunas, B Lee “Surface-Mediated Nucleation and Growth of Iron Oxides.”  Goldschmidt meeting, Knoxville TN June 13-18, 2010 (invited)
    15. G A Waychunas, J Sung and Y R Shen “Nanoparticle surface properties deduced from single crystal mineral/water interface studies.” Goldschmidt meeting Knoxville, TN June 13-18, 2010 (invited)
    16. B Gilbert, J Katz, J Banfield, H Zhang, R Falcone, G A Waychunas  “Observing Iron Redox Dynamics at the Nanosecond Scale with Time-Resolved X-ray Spectroscopy.”  Goldschmidt meeting Knoxville, TN June 13-18, 2010 (invited)
    17. J A Davis, GA Waychunas “Past, present, and future of surface complexatiuon modeling.” ACS annual Meeting, March 21, 2010, San Francisco, CA (invited)
    18. J E Katz, B Gilbert, X Zhang, K Attenkofer, R Falcone, G A Waychunas  “ Ultrafast time-resolved X-ray absorption measurements of the reductive dissolution of iron oxide nanoparticles.” ACS annual Meeting, March 24, 2010, San Francisco, CA
    19. D M Singer, J F Banfield, G A Waychunas  “Identification of U(VI) sorption products on magnetite by grazing incidence X-ray scattering and X-ray absorption spectroscopy.”  ACS annual Meeting, March 24, 2010, San Francisco, CA
    20. H Zhang, G A Waychunas, and J F Banfield  “Study of formation of iron-hydroxyl molecular clusters using molecular dynamics simulations.” ACS annual Meeting, March 22, 2010, San Francisco, CA
    21. G A Waychunas “Molecular scale mineral-water interface studies using crystal truncation rod surface diffraction and sum frequency vibrational spectroscopy."  Special seminar, Princeton University, Geology Dept., Jan 22, 2010 (invited).
    22. GA Waychunas “Cutting-edge Investigations in Synchrotron-based Environmental Sciences.”  Eastern Forum of Science and Technology, Chinese Academy of Sciences, Shanghai, China, November 6, 2009 (invited)
    23. J E Katz, B Gilbert, X Zhang, K Attenkofer, J Banfield, R Falcone, G Waychunas “Ultrafast Time-resolved X-ray absorption measurements of the reductive dissolution of iron-oxide nanoparticles.”  GSA/MSA symposium in honor of 2009 MSA and Roebling awardees. Oct 2009, Denver (invited)
    24. GA Waychunas “Mineralogy and geochemistry in 2 dimensions: Mineral surface and interface structure, and connection to nanomineralogy.”  UC Berkeley EPS Dept. Seminar  Sept. 10, 2009 (invited)
    25. GA Waychunas  “Ordered water structure at mineral-water interfaces: Consequences for sorption, precipitation and pore solution transport.” Goldschmidt International Conference Abstracts volume, Davos Switzerland, June 2009 (invited)
    26. B Gilbert, G A Waychunas, D Spagnoli, J F Banfield and R L Penn, “The Crystal Chemistry of Ferrihydrite.” Materials Research Society Spring Meeting, April 15, 2009 (invited)
    27. GA Waychunas et al. “Sulfate sorption and incorporation into iron oxyhydroxide minerals.” ACS annual meeting, Salt Lake City, Utah   March 2009 (invited)
    28. GA Waychunas et al. “The crystal chemistry of iron-oxyhydroxide-silica interfacial reactions.” ACS annual meeting, Salt Lake City, Utah   March 2009 (invited)
    29. D Spagnoli et al. “Predicting the effect of ordered water on the adsorption of ions on nanoparticle surfaces and aggregation of hematite nanoparticles.”  ACS annual meeting, Salt Lake City, Utah March 2009
    30. GA Waychunas “Complementary nanoparticle structural analysis using EXAFS, XANES, PDF and simulations.” SSRL Annual meeting Workshop on EXAFS analysis  Oct 2008 (invited)
    31. GA Waychunas "Natural nanoparticle shape, structure, properties and reactivity from x-ray studies"  Denver X-ray Conference Aug 2008 (plenary-invited)
    32. YS Jun, GA Waychunas, B Lee  “Nature of environmental nanoparticle development at mineral-water interfaces.” Goldschmidt International Conference abstracts , Vancouver BC Canada July, 2008 (invited).
    33. Young-Shin Jun, Glenn A. Waychunas, and Byeongdu Lee, “Nucleation and Growth of Environmental Oxide Nanoparticles at Water-Mineral Interfaces” , Gordon Research Conference on Environmental Sciences: Water, Future Challenges and Advances in Aquatic Sciences, Holderness School, Holderness, NH, June 22-27, 2008. (invited)
    34. G Waychunas, S Ghose, L Zhang, C Tian and YR Shen  “Water structure on mineral surfaces: Comparisons between quartz, corundum and goethite.” Goldschmidt International Conference abstracts, Vancouver BC Canada July, 2008
    35. GA Waychunas, B Gilbert, J Banfield and K Attenkofer  “Time-resolved and Ultrafast imaging of redox processes on mineral surfaces.” 2008 Analysis, Imaging, and Separations Research Meeting.  DOE BES Program and Abstracts. Annapolis, MD May 4-7, 2008. (invited)
    36. D Spagnoli, JF Banfield, GA Waychunas, B Gilbert “The Structure of water around iron oxide mineral nanoparticles.”  Goldschmidt International Conference abstracts, Vancouver BC Canada July, 2008
    37. YS Jun, GA Waychunas  “Molecular-investigation of silicate passivation of iron oxide surfaces.”  Abstracts and program. ACS National Meeting, New Orleans LA April 7, 2008
    38. GA Waychunas, P Eng, SK Ghose, YR Shen, D Spagnoli, TP Trainor, L Zhang  “Ordering of water near mineral surfaces: recent observations, simulations, and consequences.” Abstracts and Program. ACS National Meeting New Orleans LA April 7, 2008 (invited)
    39. YS Jun, GA Waychunas, B Lee “Kinetics of early nucleation and growth of iron oxide nanoparticles at mineral-water interfaces.”  Abstracts and Program. ACS National Meeting, New Orleans LA April 7, 2008.
    40. L Zhang, YR Shen, C Tian, GA Waychunas  “Vibrational spectroscopy on alumna/water interfaces with surface charges.”  Abstracts and Program. ACS National Meeting, New Orleans LA April 7, 2008.
    41. D Spagnoli, JF Banfield, GA Waychunas and B Gilbert “The Structure of water around hematite nanoparticles”  December AGU National Meeting, SF CA 2007
    42. YS Jun, GA Waychunas and B Lee  “Nucleation and Growth of Environmental Nanomaterials at Water-Mineral Interfaces”, Special Session on “Environmental, Ecological and Biogeochemical Impacts of Natural and Synthetic Nanomaterials,” 2007 AGU Fall Meeting, San Francisco, CA, USA, December 10-14, 2007.
    43. GA Waychunas “There’s plenty of time at the beginning: time-resolved and ultrafast measurements of geochemical reactions.”  GSA National meeting  Nov 2007 (invited)
    44. GA Waychunas  “Synchrotron scattering and spectroscopy methods applied to interpface kinetics.”  CEKA EMSI  meeting  Penn State Univ Oct 19, 2007 (invited)
    45. YS Jun, GA Waychunas, B Lee  “Nucleation  and Growth of Iron Oxide Nanoparticles  at Water-Mineral Interfaces Using In Situ Time-Resolved GISAXS”  CEKA EMSI meeting   Penn State Univ  Oct 18, 2007 (invited)
    46. YS Jun, GA Waychunas, B Lee  “ Kinetic Study of Nucleation  and  Growth  of Environmental  Nanoparticles  at Water-Mineral  Interfaces Using In Situ Time-Resolved  GISAXS”  ACA Annual Meeting, Salt Lake City UT July 2007
    47. YS Jun, GA Waychunas “Molecular-level investigations of nucleation mechanisms and kinetics of formation of environmental nanoparticles: Results from silicate on hematite and iron oxides on quartz.”  2nd Annual Environmental Sciences Remediation program PI Meeting, Lansdowne VA April, 2007
    48. C Tian, N Ji, V Ostroverkhov, G Waychunas, YR Shen  “Interfacial structures of acidic and basic aqueous solutions” ACS National meeting  Chicago IL  March 2007
    49. L Zhang, YR Shen, GA Waychunas  “Water interaction with nanostructured silicon oxide surfaces” ACS National meeting  Chicago IL March 2007
    50. N Ji, V Ostroverkhov, G Waychunas, YR Shen “Interfacial water/vapor structure of NaI aqueous solutions” ACS  National Meeting Chicago IL March 2007
    51. GA Waychunas, B Gilbert, CS Kim  “Strengths and weaknesses of structure probes for poorly crystalline and nanocrystalline minerals.” ACS National Meeting, Chicago March 2007 (keynote-invited)
    52. YS Jun, GA Waychunas, MF Toney  “Morphological characterization of environmental oxide nanoparticles on mineral surfaces using grazing incidence small angle X-ray scattering.” ACS National Meeting, Chicago  March 2007
    53. V Ostroverkhov, J Na, C.Y. Chen, G. A. Waychunas, Y-R. Shen  “Phase-sensitive sum-frequency vibrational spectroscopy on water/vapor interfaces.”  CLEO/QELS Laser conference, Long Beach, CA May 2006
    54. GA Waychunas, PJ Eng, S Ghose, T Trainor, J Bargar  “Structure and chemistry of the mineral-water interface: A molecular view”  Washington Univ. St. Louis, February, 2007 (invited)
    55. GA Waychunas “Crystal truncation rod surface diffraction studies of hydrated oxide surfaces: Equilibrium structure, sorption effects, and time-resolved experiments.” Glenn T. Seaborg  Center Presentation, LBNL November 10, 2006 (invited).
    56. PJ Heaney, JD Kubicki, CE Martinez, R Mathur, K Osseo-Asare, GA Waychunas, CF Conrad, YS Jun, K Basilevskaya, DR Hummer, C Lopano, AJ Wall  “From Atom to Crystal: A Multidisciplinary Effort to understand the precipitation of soil-forming minerals in aqueous systems.” GSA Annual Meeting, Philadelphia PA October 2006
    57. SK Ghose, G Waychunas, P Eng, T Trainor, J Catalano  “Surface structure and reactivity of hydrated goethite (a-FeOOH) (100) surface. ACS National meeting, San Francisco CA September 2006 LBNL-61142
    58. GA Waychunas, C S Kim, B Gilbert, H Zhang, J F Banfield “Nanoparticle structure, surface structure and crystal chemistry.” Goldschmidt International Meeting, Melbourne Australia September 2006. LBNL-61140 (invited)
    59. GA Waychunas, V Ostroverkhov, N Ji, L Zhang, Y R Shen “Probing water structure at mineral-water and water-vapor interfaces: New possibilities for molecular geochemistry.” ACS National Meeting, San Francisco CA  September 2006 LBNL-61141
    60. YS Jun, G A Waychunas, M F Toney “Nucleation and growth of nanoparticles on mineral surfaces: First environmental applications of grazing incidence small angle x-ray scattering.” ACS National Meeting, San Francisco  CA  September, 2006
    61. YS Jun, G A Waychunas, P J Eng, T P Trainor, S K Ghose “Silicate adsorption on the r-plane (1-102) surface: A crystal truncation rod study.” ACS National Meeting, San Francisco CA September 2006 LBNL-61144
    62. T Trainor, P Eng,  A. Chaka, G. Brown, K Tanwar, S Petitto, C Lo, S Ghose, G Waychunas “Structure of the iron-oxide aqueous solution interface via coupled surface x-ray diffraction and density functional theory.” ACS National Meeting, San Francisco CA September 2006 LBNL-61145
    63. R Chandrasekharan, V Ostroverkhov, S Prakash, L Zhang, G Waychunas, YR Shen and M Shannon “High-Temperature Hydroxylation of Alumina Crystalline Surfaces: An FTIR-ATR and SFG Spectroscopic Study.”  MRS Spring Meeting April 19, 2006 San Francisco LBNL-61146
    64. S K Ghose, G Waychunas, P Eng, T Trainor and J Catalano  “Surface structure determination of an elusive oxide: Goethite (FeOOH).” ACS National Meeting, Atlanta GA March 29, 2006. LBNL-61147
    65. Y R Shen, V Ostroverkhov, E C Chen, J Na, G Waychunas “Phase-sensitive sum-frequency vibrational spectroscopic studies of water interfaces.” ACS National Meeting, Atlanta GA March 27, 2006 (Invited). LBNL-61148
    66. G A Waychunas, V Ostroverkhov, YR Shen    “A New Method for studying water at mineral-water interfaces: Phase Sensitive-Sum Frequency Vibrational Spectroscopy (PS-SFVS)”  Geochemistry Dept. Director’s review. April  12, 2006.
    67. G A Waychunas, Y.-S. Jun, M. Toney, P. J. Eng, S. Ghose and T.P. Trainor  “Kinetics and morphology of nanoparticle nucleation and growth on mineral surfaces.”  DOE BER  ERSP meeting, Airlie House VA April 4, 2006. LBNL-61149
    68. G A Waychunas, Y.-S. Jun, P. J. Eng, S. Ghose and T. P. Trainor  “Anion sorption topology on hematite: Comparison of arsenate and silicate.”  ACS National Meeting, Atlanta GA March 27, 2006. (invited) LBNL-61150
    69. C S Kim, L E DeGreeff, C J Lentini, M A McKee and G A Waychunas  “ Spectroscopic and macroscopic studies of heavy metal interactions with iron oxyhydroxide nanoparticles. NIRT NSF nanoparticle symposium 17 Jan 2006 Albuquerque, NM LBNL-61151
    70. G A Waychunas   “Nanoparticles, surface structure, and crystal chemistry” NIRT NSF nanoparticle symposium 17 Jan 2006 Albuquerque, NM (invited) LBNL-61152
    71. G A Waychunas et al.  “Combining crystal truncation rod diffraction and Grazing-incidence XAS information to determine surface complexation geometry. ” Stanford SSRL Users Meeting 17 Oct 2005. (invited) LBNL-61153
    72. K Bazilevskaya, G Waychunas, C E Martinez “What surface analyses/techniques tell us about mixed Al-Fe coatings formed on quartz surfaces.”  ACS National Meeting, Washington DC Aug 28, 2005.  LBNL-61154
    73. C S Kim and G A Waychunas. “Reaction of iron oxyhydroxide nanoparticles with heavy metals as a function of particle size.”  Goldschmidt Conference  Moscow, Idaho. May 25, 2005.
    74. T P Trainor, P Eng, A M Chaka, C Lo, K Tanwar, S Ghose, J G Catalano, G A Waychunas, G E Brown, A Templeton.  “Structure and reactivity of hydroxylated hematite surfaces: Application of surface x-ray diffraction and spectroscopy.  Goldschmidt Conference,  Moscow, Idaho. May 24, 2005.
    75. V Ostroverkhov, G.A. Waychunas, Y.R. Shen “Phase sensitive sum-frequency vibrational spectroscopy of water on hydrophilic and hydrophobic interfaces.” APS National Meeting, Los Angeles, CA March 21, 2005.
    76. T P Trainor, A M Chaka, P Eng, J G Catalano, G A Waychunas, G E Brown, M Newville  “Structure of the hydroxylated alpha-Fe2O3 (0001) surface: Surface X-ray diffraction and density functional theory results.” ACS National Meeting San Diego, CA March 16, 2005.
    77. J G Catalano, T P Trainor, P Eng, G A Waychunas, G E Brown “Surface X-ray scattering and spectroscopy studies of U(VI) adsorption on corundum and hematite single-crystal surfaces.” ACS National Meeting San Diego, CA March 17, 2005.
    78. C S Kim, M F Toney, G A Waychunas, J F Banfield “Small- and wide-angle x-ray scattering studies of aggregation-based growth in goethite (a-FeOOH) nanoparticles.  ACS National Meeting San Diego, CA March 16, 2005.
    79. G.A. Waychunas “Surface complexation geometry obtained from in-situ surface x-ray diffraction.”   NIRT workshop on nanotechnology, Tempe AZ December 5-7, 2004 (invited)
    80. G.A. Waychunas  ”Complementary Grazing incidence EXAFS and Crystal Truncation rod surface diffraction studies of arsenate sorption on hematite surfaces.” Actinide-XAS-2004  LBNL Sept 14, 2004 (invited).
    81. Gaft M, Nagli L and Waychunas G  “Nature of benitoite BaTiSi3O9 Luminescence”  Vienna Workshop/European Mineralogical Spectroscopy Conference  Vienna, Austria Sept, 2004
    82. V. Ostroverkhov, G.A. Waychunas and Y.R. Shen  “Sum-frrquency vibrational spectroscopy of water/a-quartz interfaces.”  CLEO National Meeting, San Francisco, CA  May 18, 2004.
    83. V. Ostroverkhov, G.A. Waychunas, and Y.R. Shen  “ Sum-frequency surface vibrational spectroscopy with amplitude and phase. “  APS National meeting, Montreal, CA  March 22, 2004.
    84. Huang F, Gilbert B, Zhang H, Finnegan M, Rustad J, Kim C, Waychunas G, Banfield J “Interface interactions in nanoparticle aggregates.” Goldschmidt meeting June, 2004  Copenhagen, Denmark
    85. Kim  CS, Toney MF, Waychunas GA, Rustad JR Banfield JF “Synchrotron-based studies of nanoparticulate iron oxyhydroxide growth and metal uptake.”  Goldschmidt meeting June, 2004  Copenhagen, Denmark
    86. T.P. Trainor, P.J. Eng, J.G. Catalano, G.E. Brown and G.A. Waychunas  “Crystal truncation rod diffraction study of the hydrated hematite (1-102) surface.”  227th National ACS meeting, Anaheim CA.  March 30, 2004.
    87. S.C.B. Myneni, G.A. Waychunas, S.J. Traina and G.E. Brown  “Predicting oxoanion complexation in aqueous solutions and at mineral-water interfaces.” 227th National ACS meeting, Anaheim CA April 1, 2004.
    88. Y.R. Shen, V. Ostroverkhov, and G.A. Waychunas “Sum-frequency vibrational spectroscopy of water/quartz interfaces: Crystalline vs. fused quartz.”  227th National ACS meeting, Anaheim CA April 1, 2004.
    89. G.A. Waychunas, T.P. Trainor, P.J. Eng, M. Newville, J.G. Catalano and G.E. Brown  “Surface EXAFS and diffraction study of arsenate sorption on hematite single crystals.”  227th National ACS meeting, Anaheim CA March 30, 2004.
    90. C.S. Kim, J.F. Banfield and G.A. Waychunas “Unique reactivity and speciation of heavy metals on goethite nanoparticles.”  227th National ACS meeting. Anaheim, CA March 30, 2004.
    91. G. DeStasio, G.A. Waychunas, C. Chan and J.F. Banfield "Iron at the L-edge: spectromicroscopy of Fe minerals and Fe  oxidizing bacteria" AGU National  Meeting, San Francisco, 12/2003
    92. C.S. Kim, J.F. Banfield and G.A. Waychunas “Reactivity and speciation of heavy metals with nanoparticulate goethite.” AGU National Meeting, San Francisco, 12/2003.
    93. G. E. Brown, J. R. Bargar, T. P. Trainor, P. J. Eng, J. P. Fitts and G.A. Waychunas  “Applications of Crystal Chemistry to Mineral Surface Geochemistry”  GSA National Meeting, Seattle, WA  11/2003.
    94. D. A. Shaughnessy, C. H. Booth, H. Nitsche, D. K. Shuh, G. A. Waychunas, R. E. Wilson,
    95. H. Gill, K. J. Cantrell, R. J. Serne  “Molecular interfacial reactions between Pu(VI) and Manganese Oxide minerals manganite (MnOOH) and hausmannite (Mn3O4)”   Migration 2003 Conference,  Gyeongju, Korea, September 21-26, 2003.
    96. G.A. Waychunas, T.P. Trainor and P.J. Eng  “Crystal Truncation Rod (CTR) diffraction and Grazing-incidence EXAFS (GIXAFS) studies of Molecular Structure at the Mineral-Water Interface.”  IUPAC meeting  Qttawa Canada   August 10-15, 2003
    97. J.F. Banfield, F. Huang, B. Gilbert, H. Zhang, J. Moreau and G.A. Waychunas “Nanoparticles: size-structure-reactivity interrelationships.”  Goldschmidt meeting, Japan.
    98. B. Gilbert, H. Zhang, F. Huang, M. Finnegan, G.A. Waychunas and J.F. Banfield. “Special phase transformation and crystal growth pathways observed in nanoparticles.” ACS national meeting.  New Orleans, LA  March 23-27, 2003.
    99. G. A. Waychunas, J.A. Davis and R. Reitmeyer. “Iron hydroxide nanoprecipitate formation and suppression on quartz surfaces.” ACS national meeting.  New Orleans, LA  March 23-27, 2003.
    100. G.A. Waychunas, C.C. Fuller, J.A. Davis and J.J. Rehr. “Comparison of Multiple scattering XANES and EXAFS analysis of Zn sorption on ferrihydrite.”  DOE PI Geochemistry Symposium.  ANL March 7, 2003
    101. V. Ostroverkhov, G.A. Waychunas and Y.R. Shen.  “Sum-frequency vibrational spectroscopic studies of the mineral-water interface.  APS National Meeting  March, 2003.
    102. C.S. Kim, J.F. Banfield and G.A. Waychunas. “Characterization and reactivity of nanoparticulate goethite.” ACS national meeting.  New Orleans, LA  March 23-27, 2003.
    103. P.J. Lam, J.K. Bishop, G.A. Waychunas, S.R. Sutton and M. Newville.  “Characterization of Fe in marine particulates via micro-XAS: Possibilities and limitations.  LBNL-50849, 2002.
    104. P.J. Lam, J.K. Bishop, and G.A. Waychunas “Characterization of Fe in marine aggregates via micro-XAS: preliminary results.” JGOFS (Joint Global Ocean Flux Study) Iron Workshop. Monterey Bay Aquarium Research Institute. Moss landing, CA June, 2002.
    105. T. P. Trainor, P. J. Eng, G.A. Waychunas, J.C. Catalano and G.E. Brown. “Structure of the hydrated hematite (0001) surface.”  AGU National Meeting, San Francisco CA December 8, 2002.
    106. G.A. Waychunas  “Grazing incidence x-ray absorption and emission spectroscopy.”  MSA/Geochemical society shortcourse on synchrotron radiation.  Carmel, CA  December 4, 2002 (Invited).
    107. G.A. Waychunas “X-ray spectroscopy applications in the Environmental sciences”, Users meeting of Canadian Light Source.  Saskatoon, CA  November 16, 2002 (invited).
    108. G.A. Waychunas  “Apatite Luminescence”.  GSA meeting symposium on phosphates.  Denver, CO  October 29, 2002 (Invited).
    109. G.A. Waychunas “Report on the NanoGeoscience workshop at Berkeley, June 14-16, 2002.”  NSF headquarters Washington, D.C. October 21, 2002. (Invited).
    110. G.A. Waychunas  “Applications in sulfur geochemistry at the ALS.”  ALS Users meeting, October 10-12, 2002 (Invited).
    111. G.A. Waychunas  “Importance of water structure in defining complexation on mineral surfaces.”  Physics dept. UC Berkeley  July 12, 2002 (Invited).
    112. G. A. Waychunas  “How do bulk crystal surfaces differ from nanocrystal surfaces?” NSF-NRC NanoGeoscience workshop. LBNL June 14, 2002 (Invited).
    113. G. A. Waychunas   “Sulfate binding in nanocrystalline Fe oxyhydroxides.” (Invited) PNNL/EMSL  May 23,  2002
    114. Shaughnessey, D., Nitsche, H., Serne, R., Shuh, D., Waychunas, G., Booth, C., and Cantrell, K.  “Transuranic Interfacial Reaction Studies on manganese Oxide Mineral Surfaces.” (Invited) EMSP FY 2002 Vadose Zone Workshop, Richland, WA.  5-6 November, 2001.
    115. Shaughnessey, D., Nitsche, H., Serne, R., Shuh, D., Waychunas, G., Booth, C., Cantrell, K. and Wilson, R. “Complexation and Redox Interactions between Aqueous Plutonium and manganese Oxide Interfaces.”  Actinides 2001 International Conference, Hayama, Japan.  4-9 November, 2001.
    116. G. A. Waychunas. “Applications of Grazing Incidence x-ray spectroscopy for Mineralogicial and Geochemical analysis.” (Invited) European Mineralogical Spectroscopy Congress abstract, Sept., 2001, Paris, France.  Bull. Soc. Franc. Mineral. Crist. 13, 113.
    117. D. A. Shaughnessy, H. Nitsche, R. J. Serne, D. K. Shuh, G. A. Waychunas, C. H. Booth, and H. S. Gill, "Investigation of Molecular Interfacial Reactions Between Plutonium and Manganese Oxide Hydroxide Mineral Surfaces,"  (Invited) ACS National Meeting, Chicago, OH.   26-30 August 2001.
    118. G. A. Waychunas, S. C. B. Myneni, S. J. Traina, J. M. Bigham, C C. Fuller and J. A. Davis Reanalysis of the schwertmannite structure and the incorporation of SO42- groups: an IR, XAS, WAXS and simulation study.   Goldschmidt conference, Hot Springs, Virginia  May 2001.
    119. Shaughnessy, D. A., Nitsche, H., Serne, R. J., Shuh, D. K., Waychunas, G. A., Booth, C. H., & Gill, H. S.  (2001, April 1-5).  “Molecular studies of interfacial plutonium-mineral interactions on manganese oxide hydroxide mineral surfaces”.  (Invited) 221st National Meeting of the American Chemical Society.  San Diego, CA.
    120. Myneni, S.C.B., Waychunas, G.A., Traina, S.J. and Brown, G.E. Jr. “What happens to sulfate when it reacts with iron oxide surfaces? (Invited) Avanced Photon Source UsersMeeting. (2000)
    121. Nitsche, H., Shaughnessy, D. A., Shuh, D. K., Waychunas, G. A., & Serne, R. J.  (2000, November 28-30).  “Transuranic interfacial reaction studies on manganese oxide hydroxide mineral surfaces”. (Invited)  Fiscal year 2001 Environmental Management Science Program Vadose Zone Principal Investigator Workshop.  Richland, WA.
    122. Shaughnessy, D. A., Nitsche, H., Serne, R. J., Shuh, D. K., Waychunas, G. A., Booth, C.H., & Gill, H. S.  (2000, October 25-28).  Interfacial reaction studies of plutonium on manganese oxide hydroxide mineral surfaces.  American Chemical Society Western Regional Meeting.  San Francisco, CA.
    123. Waychunas, G.A., Davis, J.A. and Rietmeyer, R. “Formation and Structure of Iron-rich Oxyhydroxide nanometer coatings: Comparison of Laboratory-produced and aquifer-seeded samples.” Geosciences Research program workshop, October 15-16, 2000. Gaithersburg, MD.
    124. Shaughnessy, D. A., Nitsche, H., Waychunas, G. A., Booth, C. H., Serne, R. J., & Shuh, D. K.  (2000, October 18-21).  Interaction of Pu(VI) on manganese oxide hyroxide mineral surfaces.  Stanford Synchrotron Radiation Laboratory (SSRL) Users’ Meeting.  Menlo Park, CA.
    125. Waychunas, G.A. “Synchrotron-based micro techniques for the characterization of minor phases.” Keynote talk, Santa Fe V Conference on Rock Magnetism, Santa Fe, NM July 21, 2000.
    126. Shaughnessy, D. A., Nitsche, H., Serne, R. J., Shuh, D. K., Waychunas, G. A., Booth, C. H., & Gill, H. S. (2000, August 20-24).  Interfacial reaction studies of plutonium with manganese oxide hydroxide mineral surfaces. 220th National Meeting of the American Chemical Society.  Washington, DC.
    127. Nitsche, H., Serne, R.J., Shaughnessy, D. A., Shuh, D. K., & Waychunas, G. A. (2000, April 24-28). Transuranic interfacial reaction studies on manganese oxide hydroxide mineral surfaces.  Department of Energy Environmental Science Management Program National Workshop.  Atlanta, GA
    128. Myneni, S.C.B., Waychunas, G.A., Traina, S.J. and Brown, G.E., Jr. ACS National Meeting 2000
    129. Myneni, S.C.B., Waychunas, G.A., Traina, S.J. and Brown, G.E., Jr.  “What happens to sulfate when it reacts with iron-oxide surfaces?” 10th APS Users meeting Argonne National Laboratory, Workshop 5 (Recent Highlights and New Directions in Environmental Science) (invited) May 4, 2000.
    130. Waychunas, G.A. “XANES and EXAFS studies of aqueous Zn precipitation on hydrous ferric oxide.” 10th APS Users meeting Argonne National Laboratory, Workshop 5 (Recent Highlights and New Directions in Environmental Science) (invited) May 4, 2000.
    131. Waychunas, G.A., Davis, J.A. and Reitmeyer, R. "Initial Fe (III) hydroxide precipitation processes on quartz surfaces."  National ACS Meeting, Anaheim, CA March 1999.
    132. Waychunas, G.A., Davis, J.A. and Reitmeyer, R. "EXAFS and GIXAFS study  of Fe3+ sorption on silica surfaces." Dept. of Energy Geosciences Research Program Sixth Topical Research Symposium, Richland WA February 1,2, 1999.
    133. Boyle-Wight, E., Katz, L.E., Waychunas, G.A. and Hayes, K.F.  “Multisolute Metal ion sorption at the g-Al2O3/water interface.” Goldschmidt Meeting, 1998.
    134. Myneni, S., Traina, S., Waychunas, G. and Logan, T. “Arsenate interactions with CaO: Formation of Johnbaumite.” Goldschmidt meeting, 1998.
    135. Waychunas, G.A., Davis, J.A. and Reitmeyer, R.  “GIXAFS study of Fe3+ sorption and precipitation on synthetic crystal Quartz.” XAFSX meeting, August 1998, Chicago, IL.
    136. Newville, M., Carroll, S.A., O’Day, S.A., Waychunas, G.A. and Ebert, M. “A Web-based Library of XAFS data on Model Compounds.” XAFSX meeting, August 1998, Chicago, IL.
    137. Myneni, S., Traina, S., Waychunas, G. and Logan, T. “Experimental and Theoretical Vibrational Spectroscopic Evaluation of Arsenate Coordination in Aqueous Solutions, Solids, and at Mineral-Water Interfaces."  ACS National Meeting, August 1998, Boston, MA.
    138. Ravikumar, R., Fuerstenau, D.W. and Waychunas, G.A. “Characterization of Silver Binding in Cryptomelane by X-ray Absorption Spectroscopy.” MRS Spring Meeting, April 1998, San Francisco, CA
    139. Waychunas, G.A., Davis, J.A. and Reitmeyer, R.  "GIXAFS Analysis of Fe3+ Sorption on Natural Quartz  r (101) and m (100) Surfaces."  ACS Fall Meeting, September 1997, Las Vegas, NV
    140. Waychunas, G.A., Davis, J.A., Fuller, C.C., Myneni, S.C., Traina, S.J. and O'Day, P.A.  "Sorption of Tetrahedral Oxyanion Complexes on Mineral Surfaces: Can we predict the geometry of complexation from Basic principles?"  ACS Spring Meeting, April 1997, San Francisco, CA
    141. Bargar, J.R., Davis, J.A. and Waychunas, G.A.  "Characterization of Uranyl-Carbonate ternary Complexes on Fe Oxides by FTIR and XAFS Spectroscopy."  ACS Spring Meeting, April 1997, San Francisco, CA
    142. O’Day, P.A., Carroll, S.A. and Waychunas, G.A. “Constraining Geochemical Models at Acid Mine Sites using Molecular information from Synchrotron X-ray absorption spectroscopy.”  Chapman Conference on Crater Lakes, Terrestrial Degassing, and Hyper-acid fluids in the Environment, Crater Lake, OR  September 5-9, 1996.
    143. Waychunas, G.A., Tingle, T.N., Davis, J.A., Fuller, C.C., O'Day, P. A. and Bird, D. "Characterization of arsenic in pyrite from the Clio mine, Tuolumne Co., CA, and arsenate sorbed on iron oxyhydroxides via EXAFS spectroscopy."  USGS Arsenic Workshop, Sutter Creek, CA December 12-13, 1996.
    144. Tingle, T. N., Waychunas, G.A., O'Day, P. and Bird, D. K.  "Arsenic in Solid Solution in Pyrite from the Clio mine, Mother Lode Gold district, Tuolumne Co. determined by X-ray absorption spectroscopy (EXAFS)." GSA Fall meeting, October 1996, Denver CO
    145. O'Day, P., Carroll, S., and Waychunas, G. A.  " Trace Metal Coordination and Bonding in Acid Mine Sediments from Synchrotron XAS."  MRS spring meeting,  April 1996, San Francisco, CA
    146. Myneni, S., Traina, S.J. and Waychunas, G.A. "Sorption and coprecipitation of CrO4 in ettringite (Ca6Al2(SO4)3(OH)12.26H2O)", ACS meeting, March 1996, New Orleans, La.
    147. Waychunas, G.A., Davis, J.A., Fuller, C.C. and Kohler, M. "EXAFS study of Fe3+ sorbed onto a silica surface: The effects of surface coverage, ageing and dehydration", ACS meeting, March 1996, New Orleans, La.
    148. Waychunas, G.A. "Luminescence mechanisms and activators in Terlingua-type calcite, and in benitoite and related silicate minerals",  TGMS/FM/MSA/FMS Symposium on Fluorescence and Luminescence of Minerals, Tucson Convention Center, Feb. 1996, Tucson, AZ
    149. Tingle, T.N., Osgood, R., Waychunas, G.A. and Marshall, A.F.  "Comparison of thin film thicknesses determined by EPMA, XRR, RBS, and cross-section SEM and TEM: An Fe-Mo bilayer on alumina", MRS Spring Meeting, April 1996, Palo Alto, CA.
    150. Waychunas, G.A., Fuller, C.C., Davis, J.A. , Bigham, J.M. and Schwertmann, U. “EXAFS and Simulation study of Selenate and Arsenate coprecipitated Schwertmannites.”  AGU meeting, May 1995, Baltimore, MD.
    151. O'Day, P., Carroll, S. and Waychunas, G.  "Bonding and Coordination of Trace Metals in Acid-Mine Sediments using Synchrotron X-ray Absorption Spectroscopy", GSA meeting, November 1995, New Orleans, LA.
    152. Myneni, S., Traina, S., Waychunas, G.A. and Logan, T.J. "Oxyanion-Mineral Surface Interactions in Alkaline Environments:  XAS and Vibrational Studies of AsO4-3 and CrO4-2 in Ettringite", 3rd International Conference on the Biogeochemistry of Trace Elements, May 1995, Paris, France.
    153. Carroll, S.A., O'Day, P., Waychunas, G.A. and Phillips, B. "EXAFS of Heavy Metal Coordination in Acid Mine Drainage Sediments", ACS meeting, April 1995, Anaheim, CA.
    154. O'Day, P.A., Carroll, S.A., Waychunas, G.A. and Phillips, B.  "XAS of Trace Element  Coordination in Natural Sediments at Ambient and Cryogenic Temperatures", presented at SSRL Users Meeting, Stanford, CA  Oct. 17-18, 1994.
    155. Carroll, S.A., Phillips, B., O'Day, P.A., Waychunas, G.A. and Piechowski, M. "Environmental applications of EXAFS: Zinc structure in acid mine drainage sediments", Geol. Soc. Amer. Annual Meeting  Seattle, WA. October 1994.
    156. Farges, F., Brown, G.E., Jr., Calas, G., Galoisy, L. and Waychunas, G.A.  "Coordination Change Around Minor Levels of Ni during the Melting of a Na2Si2O5 Glass", presented at XAFS VIII, August 1994, Berlin, Germany.
    157. O'Day, P.A., Carroll, S.A., Waychunas, G.A. and Phillips, B.  "XAS of Trace Element Coordination in Natural Sediments at Ambient and Cryogenic Temperatures", presented at XAFS VIII, August 1994, Berlin, Germany.
    158. Waychunas, G.A. and Leinenweber, K. "EXAFS and XANES study of element site partitioning in Mg2GeO4-MgGa2O4 spinels", presented at the 16th general IMA meeting, September 1994, Pisa, Italy.
    159. Waychunas, G.A., Xu, N., Fuller, C.C., Davis, J. A. and Bigham, J. "Se, As and Fe K-edge EXAFS study of As- and Se-substituted Schwertmannites", presented at XAFS VIII, August 1994, Berlin, Germany.
    160. Waychunas, G.A., Fuller, C.C. and Davis, J.A. "Detection of the Onset of Zn(OH)2 Precipitation on Ferrihydrite via EXAFS Spectroscopy", presented at the Spring 1994 American Geophysical Union Meeting, Baltimore, MD.
    161. Waychunas, G.A. and Brown, G.E.,Jr. "Fluorescent yield EXAFS and XANES Experiments", presented at the Denver X-ray Conference, August 1993, Denver (invited paper).
    162. Towle, S.N., Barger, J.R., Brown, G.E., Jr., Parks, G.A., Persson, P.,  Waychunas, G.A. and Barbee, T.W.  "Grazing-Incidence EXAFS spectroscopy of metal ion sorption on single-crystal a-Al2O3", presented at 205th ACS National Meeting, March 1993, Denver.
    163. Waychunas, G.A., Fuller, C.C., Davis, J.A. and Rea, B.A.  "EXAFS study of the geometry of Zn(II) surface complexes on Ferrihydrite", presented at 205th ACS National Meeting, March 1993, Denver (invited).
    164. Towle, S.N., Barger, J.R., Persson, P., Brown, G.E.Jr., Parks, G.A.  Waychunas, G.A. and Barbee, T.W., Jr. "Grazing-Incidence and Powder EXAFS studies of Co(II) and Pb(II) sorbed on a-Al2O3", presented at 19th SSRL User's Meeting, October 22-23, 1992,  Stanford, CA.
    165. Brown, G.E.,Jr., Jackson, W.E. and Waychunas, G.A.  "Transition element environments in silicate glass/melt systems: Implications for glass/melt structure and element partitioning.  II: 4- and 5-coordinated Fe2+", presented at 1992 Spring meeting of the American Geophysical Union, Montreal, Canada.
    166. Waychunas, G.A., Rea, B.A., Fuller, C.C. and Davis, J.A.  "Wide Angle X-ray scattering (WAXS) study of "two-line" ferrihydrite:  Effect of bidentate arsenate sorption on Fe Oxyhydroxyl polymer structure", presented at 204th ACS National Meeting, April 1992, San Francisco.
    167. Waychunas, G.A., Rea, B.A., Fuller, C.C. and Davis, J.A.  "Wide Angle X-ray scattering (WAXS) study of "two-line" ferrihydrite and the Effect of Arsenate sorption: Comparison with EXAFS results", presented at V. M. Goldschmidt Conference  May 1992, Reston, Va.
    168. Rea, B.A., Davis, J.A., Fuller, Waychunas, G.A. and Fuller, C.C.  "Iron EXAFS study of two-line ferrihydrite with coprecipitated orthosilicate" presented at 204th ACS National Meeting, April 1992, San Francisco.
    169. Mustre de Leon, J., Conradson, S.D., Batistic, I., Bishop, A.R., Raistrick, I.D., Jackson, W.E., Brown, G.E. Jr. and Waychunas, G.A.  "XAFS of Systems in the Anharmonic Limit"  SPIE 1550, 85 (1991).
    170. Jackson, W.E., Brown, G.E., Jr., Waychunas, G.A., Mustre-DeLeon, J., Conradson, S. and Combes, J.M.  "High Temperature XAS study of Ferrous Iron in Silicate Liquids", presented at Fall AGU, San Francisco CA (1990)
    171. Waychunas, G.A., Davis, J.A. , Fuller, C.C. and Rea, B.A. "Effect of arsenate adsorption and coprecipitation on two-line ferrihydrite structure", presented at 1990 GSA meeting, Dallas TX.
    172. Combes, J.M., Brown, G.E., Jr. and Waychunas, G.A.  "X-ray absorption study of the local environment of Calcium in Silicate glasses", Program and Abstracts, XAFS VI International Conference, August (1990), York U.K., p. 125.
    173. Rea, B.A., Waychunas, G.A., Sposito, G., Davis, J.A. and Fuller, C.C. "The use of Mössbauer and extended x-ray absorption fine structure (EXAFS) spectroscopy to characterize the surface and bulk structure of Ferrihydrite", presented at 1990 GSA meeting, Dallas TX.
    174. Waychunas, G.A., Rea, B.A., Fuller, C.C. and Davis, J.A. "EXAFS Study of Arsenate Adsorbed on Ferrihydrite and FeOOH Surfaces: Evidence for Bridging Geometry and Surface Poisoning", Program and Abstracts, XAFS VI International Conference, August (1990), York U.K., p. 241.
    175. Jackson, W.E., Waychunas, G.A., Brown, G.E.,Jr. and Combes, J.M. "In-Situ High-Temperature X-ray Absorption Study of divalent Iron in Orthosilicate Crystals, Glasses and Liquids", Program and Abstracts, XAFS VI International Conference, August (1990), York U.K., p. 123.
    176. Waychunas, G.A., Fuller, C., Rea, B. and Davis, J. "Characterization of Arsenate Complexes on Ferrihydrite and FeOOH Surfaces via EXAFS Spectroscopy",  Program and Abstracts, V.M. Goldschmidt conference, May (1990), Baltimore, MD, p. 90.
    177. Waychunas, G.A., Dollase, W.A. and Ross, C.R. II  "Short Range Order (SRO) determination in Mineralogical Solid Solutions via X-ray absorption spectroscopy", Program with abstracts, 28th International Geological Congress, Washington, D.C. , July 9-19, (1989).
    178. Waychunas, G.A. and Brown, G.E., Jr. "Polarized X-ray Absorption Studies of Metal ion sites in Minerals", Program with Abstracts, Geological Society of America Annual Meeting 20, Denver, CO (1988) p. A225.
    179. Waychunas, G.A., Brown, G.E., Jr., Ponader, C.W. and Jackson, W.E. "High temperature X-ray absorption study of Fe2+ in alkali silicate melts and glasses: Evidence for tetrahedral coordination", Program with Abstracts, XAFS V Conference, Seattle, Washington (1988).
    180. Flinn, P.A. and Waychunas, G.A. "A new X-ray diffractometer design for thin film texture, strain and phase characterization", Workshop on metals, dielectrics and interfaces for VLSI, Extended abstracts, San Juan Bautista, California (1988) (invited).
    181. Jackson, W.E., Cooney, T., Ponader, C.W., Brown, G.E., Jr. and Waychunas, G.A. "Coordination environment of Fe in Fayalite glass and in glasses from the Forsterite-Fayalite binary by EXAFS spectroscopy", NATO Advanced Study Institute on Physical Properties and Thermodynamic Behavior of Minerals, Abstracts with Programme Volume, 42-43 (1987).
    182. Brown, G.E., Jr., Waychunas, G.A., Jackson, W.E. and Ponader, C.W. "Mineralogical and geochemical applications of synchrotron-based X-ray absorption spectroscopy", NATO Advanced Study Institute on Physical Properties and Thermodynamic Behavior of Minerals, Abstracts with Programme Volume, 42 (1987).
    183. Waychunas, G.A., Dollase, W.A. and Ross, C.R. "Measurement of Fe-Mg short range order (SRO) in synthetic clinopyroxenes and in magnesiowustite via EXAFS spectroscopy", Prog. Geol. Soc. Amer. Annual Mtg., 19, (1987).
    184. Brown, G.E., Jr., Waychunas, G.A., Jackson, W.E., Ponader, C.W., Parks, G.A., Hayes, K.F., Roe, A.L., Hodgson, K.O. and Chisholm, C.M. "Synchrotron X-ray Absorption Spectroscopy: Methods, Applications and Limitations", Prog. Geol. Soc. Amer. Annual Mtg., 19, (1987) (invited).
    185. Waychunas, G.A., Brown, G.E., Jr., Ponader, C.W. and Jackson, W.E. "The structural environment of Fe in silicate melts from high temperature X-ray absorption spectroscopy", Program and Abstracts, Materials Research Society Spring Meeting, Anaheim, California (1987) (invited).
    186. Calas, G., Brown ,G.E., Jr., Petiau, J. and Waychunas, G.A. "X-ray absorption spectroscopic studies of minerals and glasses", Abstracts for second Conf. on Quantum Theory and Experiment Applied to Solids, Univ. of Maryland (1986).
    187. Bernstein, L.W. and Waychunas, G.A. "EXAFS and XANES studies of germanium in some minerals and related substances", Abstracts and Program, IMA Conference, 14th General Meeting, Stanford, California (1986).
    188. Waychunas, G.A. "X-ray methods for structure determination in noncrystalline materials", Abstracts and Program, IMA Conference, 14th General Meeting, Stanford, California (1986).
    189. Brown, G. E., Jr., Waychunas, G.A., Stohr, J. and Sette, F. "Near-Edge structure of oxygen in inorganic oxides: Effect of bond length, coordination number, and cation type", Program with Abstracts, EXAFS IV Conference, Fontevraud, France (1986).
    190. Brown, G.E., Jr., Waychunas, G.A., Ponader, C.W. , McKeown, D.A. and Jackson, W.E. "EXAFS and NEXAFS studies of cation environments in oxide glasses", Program with Abstracts, EXAFS IV Conference, Fontevraud, France (1986).
    191. Waychunas, G.A. "Examination of Ti XANES spectra of minerals and solids: Effects of site geometry on spectral features", Program with Abstracts, EXAFS IV Conference, Fontevraud, France (1986).
    192. Waychunas, G.A., Dollase, W.A. and Ross, C.R. "EXAFS study of short range order (SRO) in oxide and silicate solid solutions", Program with Abstracts, EXAFS IV Conference, Fontevraud, France (1986).
    193. Tossell, J.A., Brown, G.E., Jr. and Waychunas, G.A. "Studies of the unoccupied molecular orbitals of tetrahedral oxyanions, TO4-n and related molecules by X-ray absorption near edge spectroscopy (XANES) and multiple scattering (MS) Xa molecular orbital calculations", Prog. Geol. Soc. Amer. Annual Mtg., 17, (1985).
    194. Parkhurst, D.A., Brown, G.E., Jr., Parks, G.A. and Waychunas, G.A. "Structural study of zinc complexes in aqueous chloride solutions by fluorescence EXAFS spectroscopy", Prog. Geol. Soc. Amer. Annual Mtg., 16, 618 (1984).
    195. McKeown, D.A., Waychunas, G.A. and Brown, G.E., Jr. "Na and Al environments in some minerals and a series of silica-rich glasses within the Na2O-Al2O3-SiO2 system", Prog. Geol. Soc. Amer. Annual Mtg., 16, 589-590 (1984).
    196. Waychunas, G.A. "Applications of EXAFS spectroscopy to mineralogy: Strengths and Limitations", Prog. Geol. Soc. Amer. Annual Mtg., 16, 687 (1984).
    197. Boek-Ponader, H., Brown, G.E., Jr. and Waychunas, G.A. "X-ray absorption study of local Ca environments in anorthite and diopside glasses", EOS Trans. Amer. Geophys. Union, 64,  868 (1983).
    198. Brown, G.E., Jr., Waychunas, G.A. and Apted, M.J. "Applications of X-ray absorption spectroscopy in the study of earth materials", EOS Trans. Amer. Geophys. Union, 63, 1129  (1982) (Invited).
    199. Brown, G.E., Jr., Waychunas, G.A. and Dikmen, F.D. "Aluminum K-edge X-ray absorption study of crystalline and amorphous aluminosilicates", Prog. Geol. Soc. Amer. Annual Mtg., 14, 452 (1982).
    200. Apted, M.J., Brown, G.E., Jr. and Waychunas, G.A. "EXAFS study of iron complexes in aqueous chloride solutions", EOS Trans. Amer. Geophys. Union, 62, 1066 (1981).
    201. Brown, G.E., Jr., Waychunas, G.A. and  Apted, M.J. "Coordination of calcium in amorphous and crystalline silicates from Ca K-edge X-ray absorption spectroscopy", Prog. Geol. Soc. Amer. Annual Mtg., 13, 418 (1981).
    202. Waychunas, G.A., Apted, M.J. and Brown, G.E., Jr. "Coordination and valence of Ti in Kaersutite, Schorlomite, Titanite and Titanite glass from X-ray absorption spectroscopy", Prog. Geol. Soc. Amer. Annual Mtg., 13, 577 (1981).
    203. Waychunas, G.A. "Valence, coordination number and site geometry from K-edge and EXAFS X-ray spectra of iron minerals and model compounds", Prog. Geol. Soc. Amer. Annual Mtg., 12, 545-546 (1980).

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