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Structure and Chemistry of Nonmetallic Adsorbates at Compound Semiconductor Interfaces Investigated by Synchrotron Radiation Techniques David K

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Structure and Chemistry of Nonmetallic Adsorbates at Compound Semiconductor Interfaces Investigated by Synchrotron Radiation Techniques David K Lawrence Berkeley National Laboratory Recent Work Title Chemical Sciences Division Annual Report 1993 Permalink https://escholarship.org/uc/item/142925jx Author McCullough, J. Publication Date 1994-06-22 eScholarship.org Powered by the California Digital Library University of California LBL-35769 UC-401 " ----.,n o .... .- .,~g .. - -· ... -4------ -------- ------- --- ------------ --~ ------ --------- . - ---- ---------~ ------------~------------j .a:.cz... ~~~~n a~r+o IDID"'' Annual Report 1993 ---Ill"'Ill< ....tD 0. October 1994 CQ. t.n ,..& r- Lawrence Berkeley Laboratory .... r-tD o-n I ., 0 w University of California U'l IIJ"'-,'< ..... '< 0\ Berkeley, California 94720 oN ~ Prepared for the U.S. Department ofEnerg)' under Contract DE-AC03-76SF00098 DISCLAIMER This document was prepared as an account of work sponsored by the United States Go~ernment. While this document is believed to contain correct information, neither the United States Government nor any agency thereof, nor the Regents of the University of California, nor any of their employees, makes any warranty, express or implied, or assumes any legal responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by its trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recomn).endation, or favoring by the United States Government or any agency thereof, or the Regents of the University of California. The views and opinions .of authors expressed herein do not necessarily state or · reflect those of the United .States Government or any agency thereof or the Regents of the University of California. LBL-35769 UC-401 CHEMICAL SCIENCES DIVISION Annual Report 1993 September 1994 Lawrence Berkeley Laboratory University of California Berkeley, California 94720 Prepared for the U.S. Department of Energy under Contract No. DE-AC03-76SF00098 Contents REMARKS BY THE DIVISION DIRECTOR Charles B. Harris ........................................................................................................................................................... v CHEMICAL SCIENCES Fundamental Interactions Photochemical and Radiation Sciences Photochemistry of Materials in the Stratosphere Harold S. Johnston, Investigator ....................................................................................................... 1 Chemical Physics Energy Transfer and Structural Studies of Molecules on Surfaces Charles B. Harris, Investigator ......................................................................................................... 2 Laser Sources and Techniques Andrew H. Kung, Investigator ........................................................................................................... 6 Crossed Molecular Beams Yuan T. Lee, Investigator ................................................................................................................... 8 Molecular Interactions William A. Lester, Jr., Investigator .................................................................................................. 13 Theory of Atomic and Molecular Collision Processes William H. Miller, Investigator .......................................................................... :............................ 15 Selective Photochemistry C. Bradley Moore, Investigator ....................................................................................................... 19 Photodissociation of Free Radicals Daniel M. Neumark, Investigator .................................................................................................... 23 Physical Chemistry with Emphasis on Thermodynamic Properties Kenneth S. Pitzer, Investigator ........................................................................................................ 26 Chemical Physics at High Photon Energies David A. Shirley, Investigator ......................................................................................... :............... 29 Atomic Physics Experimental Search for the Electron Electric Dipole Moment Eugene D. Commins, Investigator ................................................................................................... 34 High-Energy Atomic Physics Harvey Gould, Investigator ............................................................................................................. 36 Atomic Physics Michael H. Prior, Investigator ........................................................................................................ 40 iii Processes and Techniques Chemical Energy High-Energy Oxidizers and Delocalized-El~tron Solids Neil Bartlett, Investigator ................................................................................................................ 45 Catalytic Conversion ofC1 Compounds Alex T. Bell, Investigator ........................................................................· ......................................... 51 Transition-Metal-Catalyzed Conversion of CO, NO, H2 and Organic Molecules to Fuels and Petrochemicals Robert G. Bergman, Investigator .........................................................._. ......................................... 54 Formation of Oxyacids of Sulfur from S02 Robert E. Connick, Investigator ...................................................................................................... 58 Potentially Catalytic and Conducting Polyorganometallics K. Peter C. Vollhardt, Investigator .................................................................................~ ................ 60 Heavy-Element Chemistry Actinide Chemistry Norman M. Edelstein, Richard A. Andersen, and Kenneth N. RayJ1!0nd, Investigators ...............................•................................... ;............................ 65 . Chemical Engineering Sciences Molecular Thermodynamics for Phase Equilibria in Mixtures John M. Prausnitz, Investigator ...................................................................................................... 76 /1 LABORATORY-DIRECTED RESEARCH AND DEVELOPMENT (LDRD) Exploration of the Interface Between Homogeneous and Heterogeneous Catalysis: . I Synthesis and Study of Organometallic Catalysts Supported on Novel Polysiloxane Materials with Controllable Solubility Properties Robert G. Bergman and Bruce M. Novak, Investigators ................................................................. 81 Ultrafast Dynamics of Electrons at Surfaces Charles B. Harris, Investigator ....................................................................................................... 83 Structure and Chemistry of Nonmetallic Adsorbates at Compound Semiconductor Interfaces Investigated by Synchrotron Radiation Techniques David K. Shuh, Investigator ............................................................................................................ 85 I WORK FOR OTHERS United States Office of Naval Research Normal and Superconducting Properties ofHigh-Tc Systems Vladimir Z. Kresin, Investigator ...................................................................................................... 87 APPENDICES Appendix A: Division Personnel .............................................................................................................................................. 89 Appendix B: Index of Investigators ............................... ,........ ; ................................................................................................ 93 iv REMARKS BY THE DIVISION DIRECTOR The Chemical Sciences Division (CSD) is one of important area. Finally, the Division has begun a new eleven research Divisions of the Lawrence Berkeley program in advanced battery research and development that Laboratory, a Department of Energy National Laboratory. should help strengthen industrial competitiveness both at The CSD is comprised of individual groups and research home and abroad. This new battery, research program programs that are organized into five scientific areas: began its operations effective August 1993. We look Chemical Physics, Inorganic/Organometallic Chemistry, forward to continued progress in both environmental Actinide Chemistry, Atomic Physics, and Physical remediation and technology transfer. Chemistry. The CSD is unique in that a good deal of our Awards and honors received by CSD investigators in Division's research activity occurs in laboratories located FY 1993 include: on the campus of the University of California at Berkeley, • Neil Bartlett received the Bonner Chemiepreis involving students and faculty in the Department of from Friedrich Wilhelms Universitiit, Bonn Chemistry. Several large programs, notably the Actinide Gennany; and an Honorary Doctor of Laws degree Chemistry Program and the Atomic Physics Program, are from Simon Fraser University, British Columbia. based at the Lawrence Berkeley Laboratory (LBL) site just • Y.T. Lee was Honorary Professor at Bilkent east of and above the University campus. The two sites, University in Ankara, Turkey; he was a Merck the campus and the Laboratory, are linked by an efficient Lecturer at Hope College, a J.T. Baker Lecturer at minibus system that transports students, faculty, staff, Columbia, an Eyring Lecturer at Arizona State and visitors between the two institutions. University, and an E.K.C. Lecturer at the The benefits of close ties with the campus are broad University
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