Published:

• High Resolution Bragg Focusing Optics for Synchrotron Monochromators and Analyzers, G. S. Knapp, M. Engbretson, G. Jennings, C. A. Kurtz, P, A. Montano, C. L. Wiley, Proceedings SPIE, 3151, 300-311 (1997).
• Linear X-Ray Detector Made of Bulk CdZnTe for 30-100 keV, S. S. Yoo, B. Rodricks and P. A. Montano, J. of Electronic Materials, Vol. 26, 750 (1997).
• High Heat Load Crystal Cooling Strategies for an APS Wiggler Beam Line, M. A. Beno, G. S. Knapp, M. Engbretson, G. Jennings, C. A. Kurtz, P. A. Montano, C. L. Wiley, Proc. SPIE, 3151, 172-180 (1997).
• Multichannel Linear X-ray Array Made of High Pressure Bridgman CdZnTe, S. S. Yoo, G. Jennings, and P. A. Montano, Journal of Synchrotron Radiation 5, 1332 (1998)
• A New Diffractometer for High Energy Synchrotron Radiation at The Elliptical Multipole Wiggler at the APS, U. Ruett, J. R. Schneider, M.A. Beno, G.S. Knapp and P. A. Montano, Proceedings SPIE Vol.3448, pp132 (1998).
• Determination of the Cubic to Hexagonal Fraction in GaN Nucleation Layers Using Grazing Incidence X-ray Scattering, A. Munkholm, C. Thompson, C.M. Foster, J.A. Eastman, O. Auciello, G.B. Stephenson, P. Fini, S.P. DenBaars, and J.S. Speck, Applied Physics Letters, 72, 2972-2974 (1998).
• Anomalous Small Angle X-ray Scattering Studies of Interlayer Heavy Metal Ions In Clay Minerals, K. A. Carrado, P. Thiyagarajan, K. Song, and R. E. Winans, Chemistry of Materials 10, 1130-1134 (1998).
• Manifestations of Nonlocal Exchange, Correlation, and Dynamic Effects in X-Ray Scattering, Jung, M.; Dunford, R. W.; Gemmell, D. S.; Kanter, E. P.; Krassig, B.; LeBrun, T. W.; Southworth, S. H.; Young, L.; Carney, J. P. J..LaJohn, L. Pratt, R. H.; Bergstrom, P. M., Jr., Phys. Rev. Lett., 81(8), 1596-1599 (1998).
• X-ray Absorption Spectroscopy Studies of Electrochemically Deposited Thin Oxide Films, M. Balasubramanian, C. A. Melendres, A. N. Mansour and S.M. MINI, MRS Proceedings, 524, 339 (1998).
• Measurement of Oxidation State Dependent Atomic Reorganization in Redox Proteins in Solution Using Neutron and X-ray Scattering, D. M. Tiede, R. Zhang, and P. Thiyagarajan, Biophysical Journal (1998) 74, A85.
• Magnetic field-Induced Order in a Liquid-crystalline Gel Incorporating Integral Membrane Proteins, M.A. Firestone, D.M. Tiede, and P. Thiyagarajan, Biophysical Journal (1998) 74, A330.
• X-ray Absorption Spectroscopy Studies of Electrochemically Deposited Thin Oxide Films,), M. Balasubramanian, C. A. Melendres, A. N. Mansour and S.M. Mini, MRS Proceedings, 524 (1998).
• Second Crystal Cooling on Cryogenically Cooled Undulator and Wiggler Double Crystal Monochromators , G. S. Knapp, C. A. Kurtz, and M. A. Beno, Proceedings SPIE, 3448, 19-26, (1998).
• Applications of synchrotron surface x-ray scattering for the study of electrochemical interfaces, H. You and Z. Nagy, MRS Bulletin, 24 (1), 36, (1999).
• Real-Time X-ray Scattering Studies of Surface Structure during Metal-organic Chemical Vapor Deposition of GaN, G.B. Stephenson, J.A. Eastman, O. Auciello, A. Munkholm, C. Thompson, P.H. Fuoss, P. Fini, S.P. DenBaars, and J.S. Speck, MRS Bulletin, 24, (1) 21-25 (1999).
• In Situ Synchrotron Radiation Research in Materials Science in MRS Bulletin, P. A. Montano and H. Oyanagi,Guest Editiors, Vol.24, No.1, 13 (1999)
• Observation of Growth Modes During Metal-Organic Chemical Vapor Deposition of GaN, G.B. Stephenson, J.A. Eastman, C. Thompson, O. Auciello, L. Thompson, A. Munkholm, P. Fini, S.P. DenBaars, and J.S. Speck, Applied Physics Letters 74, 3326-3328, (1999).
• Surface Structure of GaN (0001) in the Chemical Vapor Deposition Environment, A. Munkholm, G. B. Stephenson, J. A. Eastman, C. Thompson, P. Fini, J. S. Speck, O. Auciello, P. H. Fuoss and S. P. DenBaars, Physical Review Letters, 83, (4), 741-744, (July 99)
• Surface Resonance X-ray Scattering: Core-Electron Binding-Energy Shifts of Pt (111) Surface Atoms during Electrochemical Oxidation, Y. S. Chu, H. You, J.A. Tanzer, T.E. Lister, and Z. Nagy, Phys. Rev. Lett., 83, 552-555 (1999).
• Angle Calculations for 4S+2D Six-circle Diffractometer, H. You, J. Appl. Cryst., 32, 614-623 (1999).
• Surface layer expansion due to proton insertion during reduction of RuO2 (100) single crystal electrodes, Y. S. Chu, T. E. Lister, H. You, J. Tanzer, J. Mitchell, R. Yonco, and Z. Nagy, Electrochem. Soc. Meeting Abstracts, 99-1, 1092 (1999).
• Compton double ionization of helium in the region of the cross-section maximum, B Kraessig, R.W. Dunford, D. S. Gemmell, S. Hasegawa, E.P. Kanter, H. Schmidt-Bûcking, W. Schmitt, S.H. Southworth, Th. Weber, L. Young, Phys. Rev. Lett., 83, 53 (1999) .
• Structure and Magnetic Properties of the High-Tc Related Phase Cm₂CuO_4, L. Soderholm, S. Skanthakumar, and C.W. Williams, Phys. Rev. B, 60 4302-4308 (1998).
• Anomalous Small-angle X-ray Scattering Characterization of Model Pressure Vessel Alloy Microstructures, D.E. Alexander, B.J. Kestel, P.R. Jemian, G. R. Odette, D. Klingensmith and D.Gragg, in Microstructural Processes in Irradiated Materials, Vol. 540, edited by S.J. Zinkle, G.E. Lucas, R.C. Ewing and J.S. Williams MRS Proceedings, 415-463, (1999).
• Double K-vacancy Production in Molybdenum by X-ray Photoionization, E. P. Kanter, R.W. Dunford, B. Kraessig, S.H. Southworth, published in Phys. Rev. Lett., 83, Number 3,(1999).
• Real-Time X-ray Studies of Film and Surface Structure during Metal-Organic Chemical Vapor Deposition of GaN, B. Stephenson, C. Foster, J. Eastman, O. Auciello, A. Munkholm, L. Thompson, C. Thompson, P. Fini, S. DenBaars, and J. Speck, published in Advanced Photon Source Research, No. 2, (1999), ANL/APS/TB-36
• X-ray Reflectivity Study of Multilayer Formation of Porous Anodic Oxides of Silicon, V. Parkhutik, Y. Chu, H. You, Z. Nagy, and P.A. Montano, J. of Porous Materials, Vol. 7, 27-31, (2000)
• Evaluation of Supramolecular Architecture in a Membrane-mimetic Smart Gel by Neutron and X-ray Scattering, M. A. Firestone, D. M. Tiede and P. Thiyagarajan , book chapter in Materials Research using Cold Neutrons at Pulsed Neutron Sources (C-K. Loong, P. Thiyagarajan and F. R. Trouw, eds.), World Scientific Publ., Co, 160-168 (1999).
• Study of the Structure of Micelles by X-ray and Neutron Scattering, R. Zhang, P. Thiyagarajan and D. M. Tiede, book chapter in Materials Research using Cold Neutrons at Pulsed Neutron Sources (C-K. Loong, P. Thiyagarajan and F. R. Trouw, eds.), World Scientific Publ., Co., 214-219, (1999).
• Electrochemical Interfaces of Porous Silicon and Ruthenium Dioxide, H. You, Y. S. Chu, T.E. Lister, and Z. Nagy, Jap. J. of Appl. Phys., 38 (Suppl. 38-1), 239-244 (1999), Proceedings of the Second Intl. Conference on Synchrotron Radiation for Materials Science, Kobe, Japan, October 31-Novemebr 3, 1998.

Accepted for Publication (in press)

• Magnetic Compton Scattering Using the Elliptical Multipole Wiggler, P. A. Montano U. Ruett, M.A. Beno and G. Jennings, Journal of Phys. and Chem. of Solids (in press)
• Inelastic X-Ray Scattering Study of Cr(110), P.A. Montano and A.T. Macrander, Journal of Phys. and Chem. of Solids (in press)
• X-ray standing wave study of arsenite incorporation at the calcite (104) surface, L. Cheng, P. Fenter, N.C. Sturchio, M.J. Bedzyk , Geochem. Cosmochim. Acta, 1999 (in press)
• Structure and Growth of Stearate Monolayers on Calcite: First Results of an In-Situ X-Ray Reflectivity Study, P. Fenter and N. C. Sturchio, Geochem. Cosmochim. Acta, 1999, (in press)
• Synchrotron X-ray-Reflectivity Study of Oxidation/Passivation of Copper and
  Silicon. H. You, Y.S. Chu, Z. Nagy, and V. Parkhutik, Proceedings of the Eighth International Conference on Passivity of Metals and Semiconductors, Jasper, Alberta, Canada, May 9-14, 1999. (in press)
• Study of RuO2 electrochemistry using well-defined single crystal surfaces, (Invited paper), T. E. Lister, Y. Chu, H. You, J. Mitchell, R. Yonco, and Z. Nagy, Electrochem. Soc. Meeting Abstracts, 99-2, (1999). Accepted.
• The Formation and Stability of [EuP₅W₃₀O₁₁₀]^12- and [AmP₅W₃₀O₁₁₀]^12-, Clayton W. Williams, Mark R. Antonio and L. Soderholm, J. Alloys and Cmpds, (in press).
• A New Instrument at the Advanced Photon Source for Anomalous and Time-resolved Small Angle X-ray Scattering, Soenke Seifert, Randall E. Winans, David M. Tiede and P. Thiyagarajan, J. Appl. Cryst., (in press).
• Magnetic x-ray measurements using the elliptical multipole wiggler, P. A. Montano, Y. Lin, U. Ruett, M. A. Beno, G. Jennings and C. W. Kimball, SPIE Proceedings, (in press).
• X-ray scattering and fluorescence from atoms and molecules, S. H. Southworth, L. Young, E. P. Kanter, and T. LeBrun, book chapter in Advanced Series in Physical Chemistry: Photoionization and Photodetachment, edited by C.-Y. Ng (World Scientific, New Jersey). (in press)

Published Extended Abstracts:

• In-Situ Study of Organic Monolayer Adsorption on Calcite using X-ray Scattering Techniques, N. Sturchio, P. Fenter, L. Cheng, P. Lyman, and M.J. Bedzyk, Mineralogical Magazine 62A, 1471-1472 (1998).
• Anisotropic X-ray Interactions with Atoms and Molecules, S. H. Southworth, B. Kraessig, E. P. Kanter, J. C. Bilheux, R. W. Dunford, D. S. Gemmell, S. Hasegawa, and L. Young; in the Proceedings of the International Workshop on Atomic and Molecular Physics at High Brilliance Synchrotron Radiation Facilities, Harima Science Garden City, Hyogo, Japan, November 4 - 6, 1998.
• Probing Coal Reactivity By Time-Resolved Small Angle X-ray Scattering, R. E. Winans, S. Seifert, and P. Thiyagarajan, Preprints, Division of Fuel Chemistry, American Chemical Society 44 (1), 149-152 (1999)
• Precise tests of x-ray scattering theories in the Compton regime, B. Kraessig, R.W. Dunford, D.S. Gemmell, E.P. Kanter, S.H. Southworth, L. Young, 1998 International Workshop on Atomic and Molecular Physics at High Brilliance Synchrotron Radiation Facilities, Harima Science Garden City, Hyogo, Japan, Nov 4-6, 1998.
• Forward-Backward Asymmetries of Atomic Photoelectrons, S.H. Southworth, B. Kraessig, E.P. Kanter, J.C. Bilheux, R.W. Dunford, D.S. Gemmell, S. Hasegawa, L. Young, 1998 International Workshop on Atomic and Molecular Physics at High Brilliance Synchrotron Radiation Facilities, Harima Science Garden City, Hyogo, Japan, Nov. 4-6,1998.
• The Status of APS, BESSRC, and NEET, I. Ahmad, R.W. Dunford, H. Esbensen, D.S. Gemmell, E.P. Kanter, B. Kraessig, S.H. Southworth, U. Ruett, 1998 International Workshop on Atomic and Molecular Physics at High Brilliance Synchrotron Radiation Facilities, Harima Science Garden City, Hyogo, Japan, Nov 4-6, 1998
• Nuclear Excitation by Electronic Transition (NEET), I. Ahmad, R.W. Dunford, H. Esbensen, D.S. Gemmell, E.P. Kanter, B. Kraessig, S.H. Southworth, U. Ruett, 19th Werner Brandt Workshop, Bariloche, Argentina Apr 13-16, 1999.
• The Hydrothermal Crystallization of Synthetic Clay Catalysts as Probed by SAXS, K. A. Carrado, S. Seifert, and L. Xu, Preprints, Division of Fuel Chemistry, American Chemical Society 46 ( ), (2000).
• Time Resolved Small Angle X-ray Scattering Reactivity Studies on Coals, Asphaltenes, and Polymers, R. E. Winans, S. Seifert, and P. Thiyagarajan, Preprints, Division of Fuel Chemistry, American Chemical Society 45 ( ), (1999).
• Probing Coal Reactivity by Time-Resolved Small Angle X-ray Scattering, R. E. Winans, S. Seifert, and P. Thiyagarajan, Preprints, Division of Fuel Chemistry, American Chemical Society 44 (1), 149-152 (1999.)
• Small Angle Neutron and X-ray Scattering Studies of Carbons Prepared Using Inorganic Templates, G. Sandí, P. Thiyagarajan, R. E. Winans, and K. A. Carrado, Preprints, Division of Fuel Chemistry, American, Chemical Society 42 (3), 854-858
• Optimization of Monochromator Crystals by in-situ Studies of the Annealing Process of Cz-Grown Silicon S. Keitel, U. Ruett, M. A. Beno, J. R. Schneider, HASYLAB Annual Report, 1029, (1998).
• Investigation of the structure of rhodium films electrodeposited on Au(111) single crystals , J.A. Tanzer, H. You, Y.S. Chu, T.E. Lister, R. Yonco, A. Wieckowski, and Z. Nagy, Electrochem. Soc. Meeting Abstracts, (Seattle, WA, May 2-6, 1999), 99,(1), 1100 (1999).
• Surface Layer Expansion Due to Proton Insertion During Reduction of RuO2(100) Single Crystal Electrodes, Y. Chu, T. Lister, H. You, J. Tanzer, J. Mitchell, R. Yonco, and Z. Nagy, 195th meeting Electrochemical Society Abstracts, (Seattle, WA, May 2-6, 1999), 99 (1) 1092.

Submitted for publication

• Crystal Truncation and Water Adsorption at the Calcite-Water Interface, P. Fenter, P. Geissbühler, E. DiMasi, G. Srajer, L. Sorenson and N. Sturchio, submitted to Science (1998)
• Solution Structure of Copper Ion Induced Molecular Aggregates of Tyrosine Melanin, J. M. Gallas, K. C. Littrell, S. Seifert, G. W. Zajac, and P. Thiyagarajan, Biophysical Journal (submitted)
• Probing the polarity of ferroelectric thin films with x-ray standing waves, M.J. Bedzyk, A. Kazimirov, D.L. Marasco, T.-L. Lee, C.M. Foster, G.-R. Bai, P.F. Lyman, D.T. Keane, submitted to Phys. Rev. Lett.
• Probing the double-layer structure at the rutile-water interface with x-ray standing waves", P. Fenter, L. Cheng, S. Rihs, M. Machesky, M.J. Bedzyk, and N.C. Sturchio, submitted to J. Colloid and Interface Science.
• Structure and Structural Fluctuations of N-Alkyl Glucopyranoside Micelles by X-ray and Neutron Scattering, R. Zhang, P. A. Marone, P. Thiyagarajan, and D.M., Tiede, Langmuir, J. Appl. Cryst., (submitted).

Invited talks at conferences:

• N. Sturchio
  In-Situ Study of Organic Monolayer Adsorption on Calcite using X-ray Scattering Techniques, Invited presentation by Neil Sturchio at the Goldschmidth Conference, Toulouse, France (August 31, 1998).
• N. Sturchio
  Fundamentals of Mineral-Fluid Interfaces: X-ray Scattering and Standing-Wave Studies,, invited presentation by Neil Sturchio at the Workshop on Microscale and Environmental Molecular Science, 9th Annual User's Meeting for the Advanced Photon Source, Argonne, IL (October 15, 1998).
• B. Kraessig
  Examples and Perspectives on Photoionization Experiments with High-Energy X-rays from the APS, 1998 Gordon Conference on Electron Spectroscopy, July 26-31, 1998, Henniker, New Hampshire
• B. Kraessig
  Precise Tests of X-Ray Scattering Theories in the Compton Regime, International Workshop on Atomic and Molecular Physics at High Brilliance Synchrotron Radiation Facilities, November 4-6, 1998, Harima Science Garden City, Hyogo, Japan
• G.B. Stephenson
  In-Situ X-ray Studies of MOCVD Growth, Fall Meeting of the Materials Research Society, Boston, MA, December 1-5, 1997.
• C. Thompson
  Real-Time X-ray Scattering Studies of GaN during MOCVD Growth, CHESS Workshop on In-Situ Methods, Ithaca, NY, June 1, 1998.
• C. Thompson
  In Situ X-ray Scattering Studies MOCVD Growth of GaN, 25th International Symposium on Compound Semiconductors, Nara, Japan, October 13-16, 1998.
• G.B. Stephenson
  Real-Time Synchrotron X-ray Studies of Film Growth, Advanced Studies Institute on Exploration of Subsurface Phenomena by Particle Scattering, Monterey, CA, October 18-23, 1998.
• A. Munkholm
  Real-Time X-ray Scattering Studies of Surface Structure and Morphology during MOCVD Growth of GaN, 26th Conference on the Physics and Chemistry of Semiconductor Interfaces, San Diego, CA, January 17-21, 1999.
• G.B. Stephenson,
  Real-Time Synchrotron X-ray Scattering Studies of Surface Structure and Growth Modes during Metal-Organic Chemical Vapor Deposition of GaN, Symposium U, In-Situ Diagnostics and Modelling, Spring Materials Research Society Meeting, San Francisco, CA, April 5-9, 1999.
• Carol Thompson
  Probing statics and Dynamics of Domain Switching in Epitaxial PZT Films Using X-Ray scattering, C. Thompson, G.B. Stephenson, J.A. Eastman, S.K. Streiffer, A. Munkholm, K. Ghosh, O. Auciello, G. Bai, Q. Gan, C.B. Eom, International Symposium on Integrated Ferroelectrics, (ISIF-99), Colorado Springs, CO, March 1999.
• P. A. Montano
  Magnetic Compton Scattering in Third Generation Synchrotron Radiation Sources: Insertion Devices or Perfect Crystal Phase Retarder, invited talk,, Sagamore XII Conference, Waskesiu, Saskatchewan, Canada July 26-30, 1997.
• P. A. Montano
  Synchrotron Radiation Facilities in The USA, Mexican Physical Society National Meeting, Oaxaca, Mexico, October 14-18, 1997.
• P. A. Montano
  Magnetic Compton Scattering Using The Elliptical Multipole Wiggler, (invited), International workshop on Inelastic Scattering, Montauk, NY, October 17 to 21, 1998
• L. Soderholm
  Actinide Experiments at the Advanced Photon Source, NAEA Workshop on Synchrotron Radiation, October 1998, Grenoble, France.
• M. R. Antonio
  Neptunium Spectroelectrochemistry, Ninth Users Meeting for the Advanced Photon Source, Argonne National Laboratory, Workshop on Microscale & Molecular Environmental Sciences, 13-15 October 1998, Argonne, IL
• M.R. Antonio
  Synchrotron Radiation, X-ray Spectroscopy, and Electrochemistry: See How They Run, Society for Applied Spectroscopy&endash;Indiana Section, Indiana University, Department of Chemistry, 19 November 1998, Bloomington, IN
• M.P. Jensen
  Studies of f-element Complexes with Soft Donor Ligands,, M.P. Jensen, A.H. Bond, and L.R. Morss, 217^th American Chemical Society National Meeting, Symposium-Heavy Element Complexes: The Convergence of Theory and Experiment, 21-25 March 1999, Anaheim, CA
• L. Soderholm
  Magnetic, Electronic and Structural Properties of Americium and Curium Complex Oxides,, L. Soderholm, S. Skanthakumar, and C.W. Williams 217^th American Chemical Society National Meeting, Symposium-Heavy Element Complexes: The Convergence of Theory and Experiment, 21-25 March 1999, Anaheim, CA
• M.R. Antonio
  Neptunium XAFS Spectroelectrochemistry, M.R. Antonio, C.W. Williams, J. Blaudeau and L. Soderholm, 217^th American Chemical Society National Meeting, Symposium-Heavy Element Complexes: The Convergence of Theory and Experiment, 21-25 March 1999, Anaheim, CA
• S.R. Wasserman
  Structure of Actinide Ions Exchanged into Smectite Clays, S.R. Wasserman, D. Giaquinta, S. Yucks, and L. Soderholm, 217^th American Chemical Society National Meeting, Symposium-Heavy Element Complexes: The Convergence of Theory and Experiment, 21-25 March 1999, Anaheim, CA.
• L. Soderholm
  The Cm and Am Actinide Analogues of High-Tc Superconductors, 2^nd International Conference on New Theories, Discoveries and Applications of Superconductors and Related Materials, 31 May &emdash; 4 June, Las Vegas, Nevada
• M.R. Antonio
  Rare-Earth-Ion Hydration in Preyssler Polyoxoanions, M.R. Antonio, C.W. Williams, L Soderholm and G.K. Liu, 22^nd Rare Earth Research Conference, 10-15 July 1999, Argonne National Laboratory, IL
• M.R. Antonio
  Electrochemical and Structural Properties of Actinide Polyoxoanion Complexes, M.R. Antonio, L. Soderholm, C.W. Williams, 218^th American Chemical Society National Meeting, Symposium-First Accomplishments of the Environmental Management Science Program, 22-26 August 1999, New Orleans
• Susan M. Mini
  XANES and X-ray Diffraction at the APS, S.M. Mini, as part of Science and Technology Center for Archaeology Workshop, Shedding Light on the Past: Synchrotron X-rays and Archaeology, Sponsored by the University of Chicago and the Oriental Institute, Aug. 1997
• R. E. Winans
  Time Resolved Small Angle X-ray Scattering Reactivity Studies on Coals, Asphaltenes, and Polymers, R. E. Winans, S. Seifert, and P. Thiyagarajan, Invited Talk, Symposium on Molecular and Network, Structures of Coal, 218th American Chemical Society National Meeting, New Orleans, LA, August 22-26, 1999
• R. E. Winans
  Development of a Facility at APS for Time Resolved/Anomalous Small Angle X-ray Scattering: Applications in Condensed Matter Research, R. E. Winans, Invited Talk, DOE Environmental Molecular Science Meeting, Argonne National Laboratory, Argonne, IL, November 12, 1997
• H. You
  Studies of Electrochemical Interfaces---from metal to semiconductors and oxides, The second International Conference on Synchrotron Radiation in Materials Science (SRMS-2), Oct. 31 - Nov. 3, 1998, Kobe, Japan.
• H. You
  X-ray Scattering and photoluminescence measurements of porous silicon, International Symposium on Surfaces and Thin films, SRRC, Taiwan, March 24-27, 1998
• V. Parkhutik
  Multilayer Morphology of Porous anodic Oxides of Silicon, V. Parkhutik, Y. Chu, H. You, Z. Nagy, and P.A. Montano, Presentation at the International Conference on Porous Semiconductors: Science and Technology, Mallorca, Spain, March 16-20, 1998.
• M. J. Bedzyk
  Synchrotron X-Ray Studies of Surface and Thin Film Structures, Dow Chemical Company, Midland, MI, 5/13/97
• M. J. Bedzyk
  X-Ray Standing Waves, Cornell University, 8/26/97.
• M. J. Bedzyk
  X-Ray Synchrotron Studies of Surface and Thin Film Structures, Purdue University Physics Dept. Colloq., 2/20/98.
• M. J. Bedzyk
  X-ray Synchrotron Studies of the Fluid-Mineral Interface, In situ surface manipulation Workshop at Brookhaven National Lab, 5/20/98.
• M. J. Bedzyk
  X-Ray Standing Waves and Total External Reflection, 10th International XAFS Conference, IIT Chicago, 8/11/98.
• M. J. Bedzyk
  Evanescent Wave Emission and X-Ray Standing Wave Combined Analysis of Epitaxial Thin Films, Total Reflection X-ray Fluorescence Analysis TXRF-98 Austin, TX, 9/29/98.
• M. J. Bedzyk
  X-Ray Standing Wave Study of Polarization Switching in Ferroelectric Thin films X-ray Physics Gordon Conference, Plymouth, NH, 7/29/99.
• G. B. Stephenson
  Real-Time Scattering Studies of Surface Structure and Morphology during Homoepitaxial Growth of GaN by MOCVD, Workshop on Real-Time Film Growth, SRRC Annual Users Meeting, Hsinchu, Taiwan, October 20-23, 1999.
• G. B. Stephenson
  Real-Time X-ray Studies of Morphological Transitions during MOCVD Growth of GaN, Symposium I, Self-Organized Processes in semiconductor Alloys, Fall Materials Research Society Meeting, Boston, MA, November 29-December 3, 1999.
• L. Young
  Photoionization and Scattering from Free Atoms at X-ray Energies, Fifteenth International Conference on the Application of Accelerators in Research and Industry, Denton, TX, 4-7 November, 1998.

Contributed talks at conferences:

• P. Fenter
  In-Situ X-ray Scattering Study of the Calcite-Water Interface, presentation by Paul Fenter at the Goldschmidth Conference, Toulouse, France, (August 31, 1998).
• J. A. Tanzer
  Investigation of rhodium films electrodeposited on Au (111) single crystals using x-ray synchrotron techniques, J. A. Tanzer, H. You, T. E. Lister, Y. Chu, Z. Nagy and A. Wieckowski, Gordon Research Conference on Electrodeposition, New London, New Hampshire, August 9-14, 1998.
• H. You
  Electrochemical interfaces of porous silicon and ruthenium oxides, H. You, Y. S. Chu, T. E. Lister, and Z. Nagy, International Conference on Synchrotron Research for Materials Science, Kobe, Japan, Oct. 31-Nov. 3, 1998.
• P. Fenter
  In-Situ X-Ray Scattering Study Of The Aqueous-Calcite Interface, P. Fenter, P. Geissbuhler, E. DiMasi, G. Srajer, L. Sorensen, and N. C. Sturchio, European Physical Society meeting of the Condensed Matter Division, Grenoble, France (August 25, 1998).
• M. P. Jensen
  Studies of f-element complexes with soft donor ligands, M. P. Jensen, A. H. Bond, and L. R. Morss, March 1999 ACS Spring Meeting, Anaheim, CA.
• L. Soderholm
  Magnetic, electronic and structural properties of americium and curium complex oxides, L. Soderholm, S. Skanthakumar, and C. W. Williams, March 1999 ACS Spring Meeting, Anaheim, CA.
• M. R. Antonio
  Neptunium XAFS spectroelectrochemistry, M. R. Antonio, C. W. Williams, J. Blaudeau and L. Soderholm, March 1999 ACS Spring Meeting, Anaheim, CA.
• Atomic Physics Group
  Anisotropic x-ray interactions with atoms and molecules, Workshop on Applications of Polarized X-Rays, Advanced Photon Source, Argonne National Laboratory, Sep. 28-29, 1998.
• Atomic Physics Group
  Anisotropic x-ray interactions with atoms and molecules, International Workshop on Atomic and Molecular Physics at High Brilliance Synchrotron Radiation Facilities, Harima Science Garden City, Hyogo, Japan, Nov. 4-6, 1998.
• C. Thompson
  Cubic and Hexagonal Fractions in GaN Nucleation Layers Measured Using Grazing Incidence X-ray Scattering, C. Thompson,, A. Munkholm, G.B. Stephenson, J. A. Eastman, O. Auciello, C. M. Foster, P. Fini, S.P. DenBaars, J. S. Speck, American Physical Society, March Meeting, Los Angeles, CA, March 1998.
• C. Thompson
  Real-Time X-ray Studies of Surface Structure and Morphology during MOCVD Growth of GaN, March Meeting of the American Physical Society, Los Angeles, CA, March 15-20, 1998.
• A. Munkholm,
  Determination of the Cubic and Hexagonal Fractions in GaN Nucleation Layers Using Grazing-Incidence X-ray Scattering, Symposium F, Wide-Bandgap Semiconductors for High Power, High Frequency and High Temperature, Spring Materials Research Society Meeting, San Francisco, CA, April 13-17, 1998.
• G.B. Stephenson,
  Real-Time X-ray Scattering Studies of Surface Structure During MOVPE Growth of GaN, 9th International Conference on MOVPE, May 31 - June 4, 1998.
• A. Munkholm,
  Real-Time X-ray Scattering Studies of GaN During MOCVD Growth, 2nd International Conference on Synchrotron Radiation in Materials Science, Kobe, Japan, October 31 - November 3, 1998.
• G.B. Stephenson,
  Real-Time X-ray Scattering Studies of 2-d Island Nucleation and Coalescence During MOCVD Growth of GaN, Symposium C, Surface and Interface Structure and Dynamics, Fall Materials Research Society Meeting, Boston, MA, November 30 - December 4, 1998.
• J. A. Eastman
  Real-Time X-ray Studies of GaN Growth Mode Transitions, Symposium G, GaN and Related Alloys, Fall Materials Research Society Meeting, Boston, MA, November 30 - December 4, 1998.
• A. Munkholm,
  Surface Structure of GaN under MOCVD Growth Conditions, Symposium G, GaN and Related Alloys, Fall Materials Research Society Meeting, Boston, MA, November 30 - December 4, 1998.
• D. Alexander
  Anomalous Small-Angle X-Ray Scattering Characterization of Model Pressure Vessel Alloy Microstructures, Dale E. Alexander, B. J. Kestel, P. R. Jemian, G. R. Odette, D. Klingensmith and D. Gragg, presented at the Fall Meeting of the Materials Research Society: Symposium, N-Microstructural Processes in Irradiated Materials, Boston, MA, November 30-December 4, 1998.
• S.S. Yoo
  Linear X-Ray Detector Array Made on Bulk CdZnTe for 30-100 keV, S.S. Yoo, G. Jennings, and P. A. Montano, The 1996 U. S. Workshop On Physics And Chemistry Of II-IV Materials, Las Vegas, NV Oct. 22-24 (1996)
• P.A. Montano
  CdZnTe Array Detector for Synchrotron Radiation Applications, S.S. Yoo, G. Jennings, and P. A. Montano (speaker: Montano), SRI '97 6th International Conference on Synchrotron Radiation Instrumentation, Himeji, Japan Aug 4-8, 97
• S.S. Yoo
  A prototype 8 Channel CdZnTe Linear Array Detector with Energy Resolution Capability, S.S. Yoo, G. Jennings, and P. A. Montano, The 1997 U. S. Workshop on Physics and Chemistry of II-VI Materials, Los Angeles, Oct 22-24 (1997)
• P.A. Montano
  Inelastic X-Ray Scattering Study of Cr (110), presentation, P.A. Montano and A.T. Macrander, American Physical Society, Centennial Meeting Atlanta Georgia, March 1999
• Z. Nagy
  Synchrotron x-ray/electrochemical investigations of the oxidation/reduction of ruthenium dioxide single crystals, Z. Nagy, Y. S. Chu, T. E. Lister, H. You, and R. M. Yonco, Gordon Research Conference on Electrochemistry, Ventura, California, January 17-22, 1999.
• J. Tanzer
  Electrochemical deposition of fcc Rh layers coherently stacked on Au (111), J. Tanzer, Y. S. Chu, T. E. Lister, A. Wieckowski, Z. Nagy, and H. You, Meeting of the American Physical Society, Atlanta Georgia, March 20-26, 1999.
• G. K. Liu
  Local Structure of Actinides in Borosilicate Glasses, G.K. Liu, S.T Li, V.V. Zhorin, C.W. Williams, M.R. Antonio and L. Soderholm, 101^st Annual Meeting of the American Ceramic Society, 25-28 April, 1999, Indianapolis, IN
• M. R Antonio
  Neptunium Redox Speciation, M. R. Antonio, L. Soderholm and C.W. Williams. 7^th International Conference on the Chemistry and Migration Behavior of Actinides and Fission Products in the Geosphere, 26 September- 1 October 1999, Lake Tahoe, NV
• L. Soderholm
  Magnetic, Electronic, and Structural Properties of Selected Actinides in Complex Oxides, L. Soderholm, S. Skanthakumar and C.W. Williams 7^th International Conference on the Chemistry and Migration Behavior of Actinides and Fission Products in the Geosphere, 26 September- 1 October 1999, Lake Tahoe, NV
• E. Friedman
  SR-XRF on Geoarchaeological Samples From Ancient Turkey, E. Friedman, T.J. Wilkinson, K.A. Yener, C.E. Johnson, B. Lai, G. Jennings, S.M. Mini, E. E. Alp, Y Sato, and A. Alatas, presented at the 47th Annual Denver X-ray Conference, Colorado Springs, Co. Aug. 3-7, 1998
• A. Alatas
  Trace Element Analysis of Geoarchaeological Samples by X-ray Fluorescence and XANES Techniques, A. Alatas, Y. Sato, E.S. Friedman, T.J. Wilkinson, G. Jennings, G. Knapp, C.E. Johnson, K.A. Yener, S.M. Mini, E.E. Alp, Y. Sateo and A. Alatas, presented at the 47th Annual Denver X-ray Conference, Colorado Springs, Co. Aug. 3-7, 1998
• C. A. Melendres
  X-ray Absorption Spectroscopy Studies of the Structure of Electrodeposited Metal Oxide Films and Some Applications, C.A. Melendres, M. Balasurbramanian, A.N. Mansour and S.M. Mini, Abstract 265, presented at the Symposium on "Processing-Structure-Property Relationship in Electrochemically Prepared Materials," 193rd Electrochemical Society Meeting, San Diego, CA., May 3-8, 1998.
• M. Balasurbramanian
  XAS Studies of Electrochemically Deposited Thin Oxide Films, M. Balasurbramanian, C.A. Melendres, S.M. Mini, and A.N. Mansour presented at the XAFS X conference, Chicago. IL, Aug.10-14, 1998.
• K. A. Carrado
  Small Angle X-ray Scattering (SAXS) Studies of Synthetic Clays at the BESSRC-CAT, K. A. Carrado, L. Xu, S. Seifert, and P. Thiyagarajan, Poster Presentation, DOE National Laboratory Catalysis Research Symposium, Albuquerque, NM, February 24-25, 1999.
• K. A. Carrado
  Small Angle X-ray Scattering (SAXS) Studies of Synthetic Clays at the BESSRC-CAT, K. A. Carrado, L. Xu, S. Seifert, and P. Thiyagarajan, Poster Presentation, 9th APS User's Meeting, Argonne National Laboratory, Argonne, IL, October 13-15, 1998.
• P. Fenter
  Crystal Truncation And Water Adsorption At The Calcite-Water Interface Using X-Ray Reflectivity, P. Fenter, P. Geissbuhler, E. DiMasi, G. Srajer, L.B. Sorensen, and N.C. Sturchio, The American Chemical Society National Meeting, Anaheim CA (March, 1999).
• N.C. Sturchio
  Structure And Growth Of Stearate Monolayers On The Calcite(104) Surface: First Results Of An In-Situ X-Ray Reflectivity Study, N.C. Sturchio and Paul Fenter, The American Chemical Society National Meeting, Anaheim CA (March, 1999).
• H. You
  Synchrotron X-ray-Reflectivity Study of Oxidation/Passivation of Copper and Silicon, H. You, Y.S. Chu, Z. Nagy, and V. Parkhutik, Submitted to Eighth International Conference on Passivity of Metals and Semiconductors, Jasper, Alberta, Canada, May 9-14, 1999.
• J. Tanzer
  Invesitgation of the Structure of Rhodium Films Electrodeposited on Au(111) Single Crystals - J. Tanzer, H. You, Y. Chu, T. Lister, R. Yonco, A. Wieckowski (University of Illinois-Urbana), and Z. Nagy, 195th meeting Electrochemical society, Seattle, WA, May 2-6, 1999.
• Y. Chu
  Surface Layer Expansion Due to Proton Insertion During Reduction of RuO2(100) Single Crystal Electrodes - Y. Chu, T. Lister, H. You, J. Tanzer, J. Mitchell, R. Yonco, and Z. Nagy, 195th meeting, Electrochemical society, Seattle, WA, May 2-6, 1999.
• Y. Chu
  In situ x-ray diffraction study on RuO2(100) single crystals, Y. Chu, J. Tanzer, T. Lister, H. You, Z. Nagy, Presented at the March meeting of The American Physical Society, Los Angeles, CA, March 16-20, 1998.
• H. You
  Surface Resonance X-Ray Scattering Observation of Core-Electron Binding-Energy Shifts of Pt (111)-Surface Atoms during Electrochemical Oxidation, H. You, Y.S. Chu, J.A. Tanzer, T.E. Lister, and Z. Nagy Sixth International Conference on Surface X-ray and Neutron Scattering (6SXNS), Noordwijkerhout, The Netherlands, 12 - 17 September 1999.
• Y. Chu
  Surface X-ray Scattering Studies of Conducting Ruthenium Oxide under Electrochemical Control, Y.S. Chu, H. You, J.A. Tanzer, T.E. Lister, and Z. Nagy, Sixth International Conference on Surface X-ray and Neutron Scattering (6SXNS), Noordwijkerhout, The Netherlands, 12 - 17 September 1999.
• M. J. Bedzyk
  XSW Analysis of PbTiO3/SrTiO3(001), Am. Phys. Soc. March Mtg, LA,CA, M. Bedzyk, et al, 3/16/98.
• M. J. Bedzyk
  X-Ray Standing Wave Analysis of Domain Switching in Single Crystal Lead Zirconium Titanate (PZT) Thin Films, International Symposium on Integrated Ferroelectrics, Colorado Springs, CO,M. Bedzyk et al., 3/7/99.
• D. L. Marasco
  XSW Analysis of Domain Switching in Epitaxial PZT Thin films, Am. Phys. Soc. March Mtg, Atlanta, GA, D.L. Marasco, et al, 3/22/99.
• Anneli Munkholm
  Real-time Observation of Domain Switching in Epitaxial Pb(Zr,Ti)O3 Thin Films using X-ray Scattering, American Ceramic Society Annual Meeting, Indianapolis, IN (Apr. 27, 1999).
• J. A. Eastman
  Real-Time X-ray Scattering Studies of Surface Structureand Morphology during OMVPE Growth of GaN, Ninth Biennial Workshop on OMVPE, Ponte Vedra Beach, FL, May 23-27, 1999.
• G. B. Stephenson
  Real-Time Synchrotron X-ray Scattering Studies of Surface Structure and Growth Modes during MOCVD Growth of GaN, Third International Conference on Nitride Semiconductors, Montpellier, France, July 5-9, 1999.
• M. V. Ramana Murty
  Step Ordering and Bunching during MOCVD Growth of Vicinal GaN, Symposium G, GaN and Related Alloys, Fall Materials Research Society Meeting, Boston, MA, November 29 - December 3, 1999.
• R. W. Dunford
  Double K-Ionization by X-ray Photoionization of Molybdenum, contributed paper at the 18^th International Conference on X-ray and Inner-shell Processes, Chicago, Aug. 23-27, 1999.
• B. Krassig
  Compton double ionization of helium in the region of the cross-section maximum, contributed paper at the 18^th International Conference on X-ray and Inner-shell Processes, Chicago, Aug. 23-27, 1999
• S. H. Southworth
  Forward-Backward Asymmetries of Atomic Photoelectrons, contributed paper at the 18^th International Conference on X-ray and Inner-shell Processes, Chicago, Aug. 23-27. 1999.
• L. Young
  Improved Tests of X-ray Atom Scattering Theory in Free Atoms, contributed paper at the 18^th International Conference on X-ray and Inner-shell Processes, Chicago, Aug. 23-27, 1999.

Seminars Presented at Institutions:

• M. J. Bedzyk
  X-Ray Synchrotron Radiation Studies of Surface And Thin Film Structures, Northwestern Univ. Physics Dept. Colloq., 10/28/98.
• M. J. Bedzyk
  X-Ray Synchrotron Measurements of Ion Adsorption on Mineral Surfaces, Northwestern Univ. Enviro. Health and Engineering Seminar, 2/3/99.
• M. J. Bedzyk
  X-Ray Standing Wave Studies of Ferroelectric and Semiconductor Heteroepitaxy, Bell Labs Lucent Technologies Microstructure Physics Research, 6/4/99.
• Anneli Munkholm
  Real-Time X-ray Scattering Studies of MOCVD Growth, BESSRC Users Meeting, Argonne, IL, February 17, 1998.
• G. B. Stephenson
  Real-Time X-ray Studies of MOCVD Growth of GaAs and GaN, Physics Colloquium, McGill University, Montreal, PQ, March 12, 1998.
• Anneli Munkholm
  Real-Time X-ray Scattering Studies of GaN During MOCVD Growth, Materials Science Seminar, Stanford University, Stanford, CA, June 2, 1998.
• G. B. Stephenson
  Real-Time X-ray Studies of MOCVD Growth of GaAs and GaN, Condensed Matter Seminar, Univ. of Illinois, Chicago, IL, September 25, 1998.
• Anneli Munkholm
  Real-Time X-ray Scattering Studies of Surface Structure and Morphology during MOCVD Growth of GaN, Condensed Matter Physics Seminar, McGill University, Montreal, PQ, October 1, 1998.
• G. B. Stephenson
  Real-Time Synchrotron X-ray Studies of MOCVD Growth of GaN, Materials Science Seminar, Univ. of California, Santa Barbara, CA, October 16, 1998.

Presentations to ANL Review Committees:

• G. B. Stephenson
  Real-Time X-ray Studies of MOCVD Growth, APS PEB Review of BESSRC-CAT, Argonne, IL, February 5, 1998.
• J. A. Eastman
  X-ray Studies of MOCVD Oxide and Nitride Films, DOE Review of Materials Science Division, Argonne, IL, May 11, 1998.
• G. B. Stephenson
  Real-Time X-ray Scattering Studies of MOCVD Growth of GaN, DOE Review of Materials Science Division, Argonne, IL, May 11, 1998.
• J. A, Eastman
  Real-Time X-ray Scattering Studies of MOCVD Growth of GaN, Univ. of Chicago Review of Materials Science Division, Argonne, IL, May 27, 1998.
• J. A. Eastman
  X-ray Studies of MOCVD Oxide and Nitride Films, DOE-BES Metallurgy and Ceramics Review, Argonne, IL, July 30, 1998.