Program overview

FRIDAY MORNING, 21 MARCH 1997

11:00 R1.01 Effect of Phase Fluctuations on the Penetration Depth of a Model High-T_C Superconductor

Eric Roddick (Dept. of Materials Science, University of Michigan, Ann Arbor MI 48109)

11:36 R1.02 Evidence for Thermal Fluctuations in the Magnetic Penetration Depth of YBCO at Low Temperatures.

Thomas R. Lemberger (Dept. of Physics, Ohio State University.)

11:00 R2.01 Can high magnetic fields enhance many-body effects in organic conductors?

Ross H. McKenzie (University of New South Wales, Sydney, Australia)

11:36 R2.02 Experiments on Organic Conductors in Magnetic Fields Up to 1000T

J.S. Brooks (National High Magnetic Field Lab)

12:12 R2.03 Magneto-oscillations in BEDT-TTF salts in Pulsed Magnetic Fields of up to 55 Tesla

John Singleton (Physics Department, University of Oxford, UK.)

12:48 R2.04 The Confinement of Coherence: A New Quantum Phase Transition in (TMTSF)_2PF_6

Steven P. Strong (School of Natural Sciences, Institute for Advanced Study, Olden Lane, Princeton, NJ 08540)

13:24 R2.05 Non-Fermi-Liquid Behavior in the Magnetoresistance of (TMTSF)_2PF_6

Guy M. Danner (Condensed Matter Laboratories, University of Colorado, Boulder, CO 80309)

11:00 R3.01 Evidence of Polaron Formation from the Local Structure of La_1-xCa_xMnO_3

Simon J. L. Billinge (Department of Physics and Astronomy and Center for Fundamental Materials Research, Michigan State University)

11:36 R3.02 Electron-Lattice Coupling in 'Colossal' Magnetoresistance Manganites

Andrew J. Millis (Department of Physics and Astronomy, The Johns Hopkins University, 3400 North Charles Street, Baltimore, MD 21218)

12:12 R3.03 Optical Evidence for the Jahn-Teller Small Polaron in the Manganite Perovskites

H. D. Drew (Physics Department, University of Maryland, College Park, MD and Laboratory for Physical Sciences, College Park, MD)

11:00 R4.01 Discrete and Resonant Valence Electron States for Metal Films

Lars Walld=E9n (Physics Dep.,Chalmers Univ.of Technology,41296 G=F6teborg,Swede= n)

11:36 R4.02 Photoemission Line Shapes - Bulk and Surface Effects

Tai C. Chiang (Department of Physics, University of Illinois at Urbana-Champaign)

12:12 R4.03 Lineshapes, Lifetimes and Spin-split Bands at the Surfaces of Non-magnetic Solids

Eric Jensen (Brandeis University)

11:00 R5.01 Optical Studies of 3He Crystals in High Magnetic Fields

G. Frossati (Kamerlingh Onnes Laboratory)

11:36 R5.02 Spontaneous Ordering of Steps on a Vicinal Surface: the Step-Density-Wave Phase

Eugene Kolomeisky (LASSP Cornell University)

12:12 R5.03 Spiral Growth of c-facets in 4He Crystals at mK Temperatures

P. J. Hakonen (Helsinki University of Technology)

11:00 R7.01 New trends in quasicrystal science in relation with their surface >physics and chemistry

Jean-Marie Dubois (Laboratoire de Science et G=E9nie des Mat=E9riaux M=E9talli= ques, >CNRS URA 159 and GDR CINQ, Ecole des Mines, Parc de Saurupt, F-54042 >Nancy)

11:36 R7.02 Structure of 5-Fold Surface of Icosohedral Al-Cu-Fe Quasicrystal as Determined by LEED

P.J. Pinhero, Z. Shen, C.J. Jenks, D.W. Delaney, T.A. Lograsso, P.A. Thiel (Ames Laboratory and Department of Chemistry, Iowa State University), A.I. Goldman (Ames Laboratory and Department of Physics and Astronomy, Iowa State University)

11:48 R7.03 STM study of the ion-bombarded and annealed surface of the icosahedral quasicrystal AlPdMn

Thomas M. Schaub (LEPES - C.N.R.S., B.P. 166, F-38042 Grenoble Cedex 9, France)

12:24 R7.04 Scanning tunneling microscopy of cleaved AlPdMn icosahedral quasicrystals

K. Urban (Research Center Juelich, Germany)

13:00 R7.05 Electronic densities of states close to the surface of quasicrystals in relation with their low adhesion properties

Esther Belin-Ferre (LCPMR (URA CNRS 176) and GDR CINQ,11 rue P. et M. Curie, F - 75231 Paris Cedex 05), Vincent Dubois (LSG2M (URA CNRS 159) and GDR CINQ, Ecole des Mines, Parc de Saurupt, F - 54042 Nancy Cedex)

11:00 R8.01 Computer Simulations of Non-Crystalline Silica

Walter Kob (Institute of Physics, Johannes Gutenberg University, Mainz, Germany)

11:36 R8.02 Anisotropic thermal expansion in silicate systems.

R.O. Jones, A.I. Liechtenstein (Forschungszentrum Jülich, Germany)

11:48 R8.03 Raman Spectroscopic Evidence for Thermally Activated Interactions in Amorphous Solids

K.A. Blanks (Alcoa Technical Center, Bldg. C, Alcoa Center, PA)

12:00 R8.04 Enhanced Translational Diffusion in Polymeric and Low Molecular Weight Glass Formers

M.D. Ediger (Department of Chemistry, University of Wisconsin--Madison, Madison, WI 53706)

12:36 R8.05 Correlation between low temperature properties and fragility of glasses

Da-Ming Zhu (Department of Physics, University of Missouri-Kansas City)

12:48 R8.06 Diffusion and Relaxation in Materials with Many-Body Interactions

K. L. Ngai (Naval Research Laboratory, Washington, D. C. 20375)

13:24 R8.07 Relaxations in Thin Glassy Liquid Crystalline Films

Adem Levent Demirel, Blandine Jerome (FOM-AMOLF, Amsterdam, The Netherlands)

13:36 R8.08 Cooling Rate Dependence of Amorphous Silica: A Computer Simulation

Katharina Vollmayr (University of Maryland, College Park, MD 20742), Walter Kob, Kurt Binder (University of Mainz, 55099 Mainz, Germany)

11:00 R9.01 Intrinsic Pinning Induced Anisotropic Vortex Dynamics in YBa_2Cu_3O_7 Single Crystals with Controlled Static Disorder

W. Jiang, Nai-Chang Yeh, Chu-Chen Fu (114-36 Department of Physics, California Institute of Technology, Pasadena, CA 91125), Marcin Konczykowski (Laboratoire des Solides Irradies, Ecole Polytechnique, 91128 Palaiseau, France), Fred Holtzberg (IBM, Thomas J. Watson Research Center, Yorktown Heights, NY 10598)

11:12 R9.02 V-I measurements of fast-neutron irradiated YBCO crystals and resulting comprehensive analysis of dc V-I data for high-Tc materials.

Brandon Brown, J.M. Roberts, J. Tate (Oregon State University), J. Farmer (Missouri University Research Reactor)

11:24 R9.03 Dynamics of Flux Vortices in Underdoped Single Crystals of \mathbfY_1-xPr_xBa_2Cu_3O_7-\delta.

T. Stein, G. A. Levin, C. C. Almasan (Kent State University), S. H. Han, D. A. Gajewski, M. B. Maple (University of California at San Diego)

11:36 R9.04 Flux Jumps In Thallium-2223 Cylinders

Naser S. Alzayed (Physics Dept. King Saud University, Riyadh 11451, Saudi Arabia), K.W. Wong, C.X. Fan, Y. Xin (Physics Dept. University of Kansas, Lawrence, Ks. 66044, USA), D.F. Lu, D.E. Knapp (Midwest Superconductivity Inc., 1315 Wakarusa Dr., Lawrence, Ks. 66049, USA)

11:48 R9.05 Interaction of Electromagnetic Waves in a Hard-Superconductor Plate at Unilateral Excitation

F. Pérez-Rodríguez (Instituto de Física, UAP, Puebla, Mexico), I. O. Lyubimova (Kharkov State University, Kharkov, Ukraine), I. V. Baltaga, V. A. Yampol'skii (Institute for Radiophysics and Electronics, UNAS, Kharkov, Ukraine)

12:00 R9.06 InAs Micro-Hall Probes for Local Magnetic Measurements in Superconducting Materials

E. Pugel, E. Shung, T.F. Rosenbaum (University of Chicago), S.P. Watkins (Simon Fraser University)

12:12 R9.07 The Existence of a Regime of Magnetic Fluxoid Diffusion in HTSC Materials in Applied Fields Below that of Kim-Anderson Flux Creep

Asher Havenhill, Kai Wai Wong (University of Kansas), Changxin Fan (Midwest Superconductivity, Inc.)

12:24 R9.08 Glassy Dynamics of a Metastable Flux-Line Lattice

W. Henderson, E.Y. Andrei (Rutgers Univ.), M. Higgins, S. Bhattacharya (NEC Research Inst.)

12:36 R9.09 Dynamic Magnetic Response in the Peak-Effect Region of CeRu_2

L. E. De Long, V. V. Metlushko (University of Kentucky, Lexington, KY 40506-0055), S. B. Roy (Centre for Advanced Technology, Indore 452013, India), A. D. Huxley (CENG, 38041 Grenoble Cedex 9, France)

12:48 R9.10 Nonlinear Flux Line Dynamics in the Double-Peak-Effect Region of NbSe_2

V. V. Metlushko, L. E. DeLong (University of Kentucky, Lexington, KY 40506-0055)

13:00 R9.11 The Kramer-Pesch Effect and Damping of the Vortex Motion in the Cuprate Superconductors

S.G. Doettinger, A. Kapitulnik (E. L. Ginzton Laboratory, Stanford University), R.P. Huebener, S. Kittelberger (Physikalisches Institut, Universität Tübingen)

13:12 R9.12 Ultrasonic study of vortex viscosity and phase transitions in YBCO single crystals

Debashis Dasgupta (Department of Physics, University of Wisconsin-Milwaukee), Jeff Feller, Carsten Hucho, Moises Levy (), Bimal Sarma (Department of Physics, University of Wisconsin-Milwaukee)

13:24 R9.13 Thickness Dependence of the Vortex Decoupling Transition in Bi_2Sr_2CaCu_2O_8+\delta Single Crystals

M.L. Trawick, C.D. Keener, S.M. Ammirata, S.E. Hebboul, J.C. Garland (The Ohio State University)

13:36 R9.14 Superconducting Phase Transitions in a Kagomé Wire Network : Order-from-Disorder Effects

M.J. Higgins, S. Bhattacharya (NEC Research Institute), P.M. Chaikin (NEC Research Institute and Princeton University), S. Sethuraman (Princeton University), R. Bojko (National Nanofabrication Facility, Cornell University)

11:00 R10.01 Novel Isotope Effects in Superconductors

V. Kresin, A. Bill (Lawrence Berkeley Laboratory), S. Wolf (Naval Research Laboratory), Yu. Ovchinnikov (Landau Institute for Theoretical Physics)

11:12 R10.02 Effective thickness of the Superconducting Layer in YBa_2Cu_3O_7

V. Pant, R.G. Goodrich (LSU), M.G. Godbole, D.G. Lowndes (ORNL)

11:24 R10.03 Tunneling Study of the Effects of Lead Doping on \mboxT_c and Energy Gap of \mboxBi_2\mboxSr_2\mboxCaCu_2\mboxO_8

Jeffrey Kane, K.-W. Ng (Department of Physics and Astronomy, University of Kentucky, Lexington, KY 40506-0055)

11:36 R10.04 Effect of Magnetic and Nonmagnetic (Ni, Zn) Substitution for Cu in BiSCCO Whiskers

Y.K. Kuo, C.W. Schneider, M.V. Nevitt, M.J. Skove, G.X. Tessema (Clemson University)

11:48 R10.05 Effect of Cobalt Substitution for Cu in BiSCCO Whiskers

M.J. Skove, Y.K. Kuo, C.W. Schneider, M.V. Nevitt, G.X. Tessema (Clemson University)

12:00 R10.06 Thermal Conductivity of Impuity-doped Bi-2212 Whiskers

D. T. Verebelyi, C. W. Schneider (Clemson University), J. E. Payne (South Carolina State University)

12:12 R10.07 Calorimetry of BSCCO Whiskers

Matt Marone, J. E. Payne (South Carolina State University)

12:24 R10.08 Transport properties and conductivity mechanism of Bi-oxide insulator compounds

Karen Kocharian, E. Sarkisian (Microwave Engineering Dept.,Yerevan State University, Armenia), Kiejin Lee, J. Wang, T. Vu (Institute of Materias Science, Tsukuba, Ibaraki 305)

12:36 R10.09 Persistent Photoconductivity in High Temperature Superconductors

A. Hoffmann, Y. Jaccard, Ivan K. Schuller (University of California -- San Diego), Z.F. Ren, J.Y. Lao, J.H. Wang (State University of New York at Buffalo), J. Perret (Université de Neuchâtel, Switzerland), J.-P. Locquet (Zürich IBM Research Laboratory, Switzerland), A. Meltzow, G. Güntherodt, J. Auge, H. Kurz (RWTH-Aachen, Germany)

12:48 R10.10 Relaxation Dynamics of Photoexcitation and Oxygen Ordering in HTSC Superconductors

J. Guimpel, B. Maiorov, E. Osquiguil, G. Nieva, F. Pardo (Comisión Nacional de Energía Atómica-Centro Atómico Bariloche and Instituto Balseiro, 8400 Bariloche, Argentina)

13:00 R10.11 Wavelength Dependence of Infrared Quenched Persistant Photoconductivity in Y123

D. Bubb, J. F. Federici, T. Tyson, W. Savin (New Jersey Institute of Technology), W. Wilber (Army Research Laboratories), Howard A. Blackstead (University of Notre Dame)

13:12 R10.12 The Effect of Infrared Radiation on Photoinduced Superconductivity and Persistent Photoconductivity in Y123 Thin Films

Ann K. Heilman, Howard A. Blackstead (University of Notre Dame), John F. Federici, Denise C. Chew (New Jersey Institute of Technology)

R10.13

R10.14 Magnetotransport Properties of Calcium-Substituted YBa_2Cu_3O_7-\delta

I.R. Fisher, G.A. Wagner, J.R. Cooper (IRC in Superconductivity, University of Cambridge, UK.)

11:00 R11.01 Experimental Evidence for d_x^2-y^2 Pairing Symmetry in c-Axis YBa_2Cu_3O_7-\delta/PbIn Josephson Tunnel Junctions.

Beth Chen, K. A. Kouznetsov, Safi R. Bahcall, John Clarke (Dept. of Physics, UC Berkeley and LBNL, Berkeley, CA 94720), J. Giapintzakis, J.-T. Kim, D. M. Ginsberg (Dept. of Physics, Univ. of Illinois at Urbana-Champaign, Urbana, IL 61801.)

11:12 R11.02 Direct Experimental Evidence of a Mixed Symmetry of the Order Parameter of YBCO

A.G. Sun, A.S. Katz, F.R. Waugh, S.I. Woods, D.A. Gajewski, S.H. Han, M.B. Maple, R.C. Dynes (Department of Physics, University of Calfornia, San Diego, 9500 Gilman Drive, La Jolla, CA 92093)

11:24 R11.03 Engineering Thin Film Edge Josephson Junctions to Probe the Anisotropy of the Order Parameter in Unconventional Superconductors

Joseph E. Hilliard, D. J. Van Harlingen (University of Illinois at Urbana-Champaign)

11:36 R11.04 A Tunneling Study of the Cooper Electron-Electron Interaction Channel

Wenhao Wu (Michigan State University)

12:12 R11.05 NMR Spectra in High Temperature Superconductors

D. Djajaputra (Physics Department, University of Virginia), J. Ruvalds (UVa)

12:24 R11.06 Josephson Interferometry as a Probe of Order Parameter Symmetry in the Heavy-Fermion Superconductor UPt_3

Brian D. Yanoff, D. J. Van Harlingen (University of Illinois at Urbana-Champaign), J. B. Kycia, J. I. Hong, W. P. Halperin, D. N. Seidman (Northwestern University)

11:00 R12.01 Quantum Hall Edge States and Quantum Spin Chains

Yong Baek Kim (Bell Laboratories, Lucent Technologies)

11:36 R12.02 Probing Luttinger Liquids with Edge State Tunneling

D. P. Druist, P. J. Turley, E. G. Gwinn (QUEST and Physics Department, University of California, Santa Barbara), K. Maranowski, K. Campman, A. C. Gossard (QUEST and ECE, University of California, Santa Barbara)

11:48 R12.03 Resonant Tunneling Through a Point Contact in the FQHE Regime

P. J. Turley, D. P. Druist, E. G. Gwinn (QUEST and Physics Department, University of California, Santa Barbara), K. Maranowski, K. Campman, A. C. Gossard (QUEST and ECE, University of California, Santa Barbara)

12:00 R12.04 Dynamic nuclear polarization at the edge of a 2DEG

David Dixon, Keith Wald, P. L. McEuen (Department of Physics, University of California and Materials Science Division, Lawrence Berkeley National Laboratory), M. R. Melloch (School of Electrical Engineering, Purdue University)

12:12 R12.05 Universal linear density of states for tunneling into the 2DEG in magnetic field

H. B. Chan, R. C. Ashoori (MIT), M. R. Melloch (Purdue Univ.)

12:24 R12.06 Anomalous Skin Effect for Composite Fermions

M. Brodsky, N.B. Zhitenev, R.C. Ashoori (M.I.T.), M.R. Melloch (Purdue Univ.)

12:36 R12.07 Quantum Beats of Resonant Tunneling between Fractional Quantum Hall Edges

Ilari J. Maasilta (), V. J. Goldman (SUNY at Stony Brook)

12:48 R12.08 Edge State Tunneling in the Integer Quantum Hall Effect

S.I. Applebaum, R.C. Dynes (Department of Physics, University of California at San Diego), C. Aufentauschegg, H.H. Wieder (Department of Electrical and Computer Enginnering, University of California at San Diego)

13:00 R12.09 Oscillatory Tunneling in Quantum Hall Regime

L. W. Wong, H. W. Jiang (UCLA), W. J. Schaff (Cornell University)

13:12 R12.10 Capacitance Tensor Elements of Composite Fermions

J.S. Moon, J.A. Simmons (Sandia Nat. Labs), B.L. Johnson (Univ. New Mexico), J.L. Reno (Sandia Nat. Labs)

11:00 R13.01 Investigating the Single-electron Transistor at High Frequencies

S.L. Pohlen, J.M. Hergenrother, R.J. Fitzgerald, M. Tinkham (Harvard University)

11:12 R13.02 Non-Destructive Measurement of Macroscopic Quantum States in a Superconducting Single Electron Transistor

A.H. Steinbach, J.M. Martinis (NIST)

11:24 R13.03 Measurement of Background Charges, Electron Temperature, and Junction Capacitances in an Electron Pump

Mark W. Keller, John Martinis, R.L. Kautz (NIST, Boulder)

11:36 R13.04 Non-universality of shot noise suppression in diffusive mesoscopic conductors

Y. Naveh, D. Averin, K.K. Likharev (Dept. of Physics, SUNY Stony Brook)

11:48 R13.05 Electromagnetic Environment and Peltier effect in Normal-metal/Insulator/Superconductor junction

Athanassios Bardas (SUNY at Stony Brook)

12:00 R13.06 Proximity-like Effects in Mesoscopic Superconducting-Ferromagnetic Structures

M. D. Lawrence, N. Giordano (Purdue University)

12:12 R13.07 Quantum fluctuation effects in 2D Superconductor-Insulator- Normal metal junctions

Fei Zhou, Boris Spivak (Physics Department, University of Washington)

12:24 R13.08 Single Charge Electromechanical Devices.

A.N. Cleland, M.L. Roukes (Condensed Matter Physics, CALTECH)

12:36 R13.09 Paramagnetic Currents in Mesoscopic NS Structures

A.C. Mota, R. Frassanito, P. Visani, M. Nideröst (ETH--Zürich, Switzerland), K. Swieca, F. Pobell (University of Bayreuth, Germany)

12:48 R13.10 Resonances in the Differential Resistance of Mesoscopic Normal-Superconducting (NS) Hybrid Structures

C\@.-J. Chien, V. Chandrasekhar (Northwestern University, Evanston, IL)

13:00 R13.11 Statistics of Rare Events in Disordered Conductors.

Boris L. Altshuler (NEC Research Institute and Princeton University), I.E. Smolyarenko (Harvard University)

13:12 R13.12 Influence of the bandgap and density of states on tunneling in pn junctions

W. H. Richardson, Y. Yamamoto (ERATO Quantum Fluctuation Project, Ginzton Laboratory, Stanford University, Stanford, CA 94305-4085)

13:24 R13.13 Zero-bias resistance anomalies of the mesoscopic point contact containing mobile defects

V.I. Kozub (A.F. Ioffe Institute), A.M. Rudin (TPI, Univ. of Minnesota)

13:36 R13.14 Measurement of the Dephasing due to a Which Slit Detector

E. Buks, R. Schuster, M. Heiblum, D. Mahalu, V. Umansky (Weizmann Institute of Science, Rehovot 76100, Israel)

13:48 R13.15 Frequency-Dependent and ``Photon-Assisted'' Shot Noise in Mesoscopic Conductors

R.J. Schoelkopf, A.A. Kozhevnikov, P.J. Burke, D.E. Prober (Depts. of Applied Physics and Physics, Yale University), M.J. Rooks (Cornell Nanofabrication Facility, Cornell University)

11:00 R14.01 A New Phase Transition in Solid ^4He

Pei Chun Ho, John M. Goodkind (UC San Diego)

11:12 R14.02 ``High T_c'' Superfluidity Transition from Boson Pairing in a Bose Liquid

Dongzi Liu, Lu J. Sham (University of California at San Diego)

11:24 R14.03 Thermodynamics of Coupled Identical Oscillators: Bose-Einstein Statistics.

L. F. Lemmens, J.T. Devreese, F. Brosens (Universiteit Antwerpen, België)

11:36 R14.04 Thermodynamics of Coupled Identical Oscillators: Fermi-Dirac Statistics.

F. Brosens, J.T. Devreese, L. F. Lemmens (Universiteit Antwerpen, België)

11:48 R14.05 Bose-Einstein condensation of interacting Bosons in two dimensions

J. Tempere, F. Brosens, J. T. Devreese (TFVS, Universitaire Instelling Antwerpen, Belgium)

12:00 R14.06 Numerical Studies of Collective Excitations of Bose-Einstein Condensates

Meng Lu, Joseph L. Birman (The City College of CUNY)

12:12 R14.07 Collisions of Bose-Einstein condensates

William P. Reinhardt (University of Washington), Charles W. Clark (National Institute of Standards and Technology)

12:24 R14.08 Beyond the Thomas-Fermi Approximation for a Confined Condensed Bose Gas

A. L. Fetter (Stanford University), D. L. Feder (McMaster University)

12:36 R14.09 The Exact Ground State of a Boson Hard Sphere Fluid

Mark Dewing, David Ceperley (University of Illinois at Urbana-Champaign)

11:00 R15.01 Energy loss spectra for a quasi-two dimensional electron gas

Mario Alberto Rodríguez, Manvir Kushwaha (Instituto de Física, Universidad Autónoma de Puebla, Apdo. Post. J-48, Puebla 72570, Mexico)

11:12 R15.02 Compressibility in the Double-Layer Electron Systems

Lerwen Liu, A.H. MacDonald (University of Tokyo, Tokyo Japan)

11:24 R15.03 Interlayer charge transfer in bilayer systems

S. J. Papadakis, J. P. Lu, M. Shayegan, S. R. Parihar, S. A. Lyon (Princeton University)

11:36 R15.04 Diffusion Monte Carlo study of the phase diagram of coupled electron--electron and electron--hole layers

Francesco Rapisarda (Inst Theor Phys, Johannes Kepler Universität -- A-4040 Linz--Auhof, Austria), Gaetano Senatore (Dip Fisica Teorica amp; INFM, Univ Trieste, Strada Costiera 11, I-34014 Trieste, Italy)

11:48 R15.05 Scattering and Momentum Conservation at a Metal/Semiconductor Interface probed by BEEM

L.D. Bell (Jet Propulsion Lab, Pasadena, CA 91109)

12:00 R15.06 Band Structure Characterization of AlGaInP Lasers by Model-Solid Analysis of Pressure-Photoluminescence Experiments

T.M. Ritter (UNC-Pembroke), B.A. Weinstein (SUNY-Buffalo), R.E. Viturro (Xerox-WCRT), D.P. Bour (Xerox-PARC)

12:12 R15.07 Conductance Resonances in a Two-Dimensional Electron Gas Interferometer

J.A. Katine, M.A. Eriksson, A.S. Adourian, E.J. Heller, R.M. Westervelt (Harvard University), K.L. Campman, A.C. Gossard (University of California-Santa Barbara)

12:24 R15.08 Coherent Plasmon Generation in Steady State Non-equilibrium Quantum Well Structures.

P. Bakshi, K. Kempa (Boston College), E. Gornik (TU Vienna)

12:36 R15.09 Non-Abelian Geometric Phases and Conductance of Spin \frac32 Holes.

Daniel Arovas (Department of Physics, University of California, San Diego, CA), Yuli Lyanda-Geller (Deparment of Physics, University of Illinois, Urbana, IL)

12:48 R15.10 Quantitative Study of a Two-Subband Occupied 2D Electron System by Fourier Decomposition of Commensurability Oscillations

J.P. Lu, M. Shayegan (Department of Electrical Engineering, Princeton University)

13:00 R15.11 Can a Resonant Quantum-Well State be Used as the initial and/or Final State of a Golden-Rule Calculation for a Transition Rate due to Photon or Phonon Emission or Absorption?

Chia-Ren Hu (Texas Aamp;M University)

13:12 R15.12 Geometric Resonance and Spin Configuration in a periodically modulated 2D Electron System

M.A. Zudov, R.R. Du (University of Utah), J.A. Simmons, J.R. Wendt (Sandia National Labs.)

R15.13 Electron correlation and charge transfer instability in bilayered two dimensional electron gas

Sergio Conti (Scuola Normale Superiore amp; INFM, Piazza dei Cavalieri, I-56126 Pisa, Italy), Gaetano Senatore (Dip Fisica Teorica amp; INFM, Univ Trieste, Strada Costiera 11, I-34014 Trieste, Italy)

11:00 R16.01 The Dissolution of a Liquid Interface.

D. H. Vlad, J. V. Maher (University of Pittsburgh)

11:12 R16.02 Ellipsometric study of the critical interface of dipolar fluid mixtures.

Bruce M. Law, Ashis Mukhopadhyay, Matthew L. Crawley (Kansas State University), Craig L. Caylor (Cornell University)

11:24 R16.03 On the surface viscosity of soluble surfactant (soap) films.

M. A. Rutgers (The Ohio State University), X-l. Wu, W. I. Goldburg (University of Pittsburgh)

11:36 R16.04 Hydrodynamic Behavior of Monolayers in a Channel Geometry

M. Levent Kurnaz, Daniel K. Schwartz (Tulane University)

11:48 R16.05 Neutron Reflection Study of the Spreading of Oil on Air-Liquid Intersurface of a AOT/Brine Solution

S. K. Satija, L. Sung, P. D. Gallagher (Reactor Division, NIST)

12:00 R16.06 Critical Exponent u of Monolayer Films at Air/water Interfaces

G.C. Chen, P. Couchman, Y.C. Chiew (Department of Chemical amp; Biochemical Engineering, Rutgers University, Piscataway, NJ 08855)

12:12 R16.07 Finite size effects in wetting films.

Ashis Mukhopadhyay, Bruce M. Law, John H. Carpenter (Kansas State University)

12:24 R16.08 Chain-Chain Interaction between Surfactant Monolayers and long-chain Alkanes and Alcohols

Paulo Miranda, V. Pflumio, H. Saijo, Y.R. Shen (Department of Physics, U.C. Berkeley)

12:36 R16.09 Orientational Fluctuations in Smectic-C Langmuir Monolayers

Aryeh Feder (), Eric Mazur (Harvard University Department of Physics)

12:48 R16.10 Orientational Wetting in Hybrid Liquid Crystalline Block Copolymers

Gerard C. L. Wong (Materials and Physics Departments, U.C. Santa Barbara, and FOM Inst. AMOLF, Amsterdam), Jan Commandeur (FOM Inst. AMOLF, Amsterdam), Hartmut Fischer (University of Eindhoven), Wim de Jeu (FOM Inst. AMOLF, Amsterdam)

13:00 R16.11 High resolution x-ray reflectivity studies of ultra-thin films of liquid crystals

K. A. Suresh, Yushan Shi, A. Bhattacharyya, Satyendra Kumar (^+Raman Research Institute, Bangalore 560 080, India, Department of Physics and Liquid Crystal Institute, Kent State University, Kent, OH 44242)

13:12 R16.12 STM Observation (?) of Layeeing in Liquid Mercury

P.J. Ouseph (Physics Department University of Louisville, Ky)

13:24 R16.13 Surface Scattering From Ternary Mixtures of Oil, Water, and Surfactant

Scott~M. Williams, Zhongjian Zhang, Dragoslav~M. Mitrinovi\'c, Mark~L. Schlossman (University of Illinois at Chicago)

R16.14 Complete Determination of Molecular Orientations at an Interface by Nonlinear Optics

Y.R. Shen, P. Miranda, X. Zhuang, D. Kim (Department of Physics, U.C. Berkeley)

11:00 R17.01 Angle Dependence of the Field Induced Instability in Magnetic Fluids

Tengda Du, Weili Luo (Department of physics, University of Central Florida, Orlando, FL 32816)

11:12 R17.02 Terahertz Frequency Power Generation in Submicron n-GaAs Diode Structures Due to Plasma Instability

Viktoras Gruzinskis, Vladimir Mitin (Electrical and Computer Engineering, Wayne State University, Detroit), Pavel Shiktorov, Evgeni Starikov (Semiconductor Physics Institute,Vilnius, Lithuania)

11:24 R17.03 Excitation of Magneto-Acousto-Electric Oscillations in Bismuth Under Phohon Generation Mode in the Presence of Strong Gradients of Electric Fields

P. Finkel (Lehigh University, Bethlehem, PA)

11:36 R17.04 Dynamics of the Euler buckling instability

Leonardo Golubovic, Anatoli Peredera, Dorel Moldovan (West Virginia University, Physics Department)

11:48 R17.05 Turing Instability in the Presence of Gradients

S. Setayeshgar, M.C. Cross (Caltech)

12:00 R17.06 Pearling and pinching: propagation of Rayleigh instabilities

Thomas Powers, Raymond Goldstein (Department of Physics, University of Arizona)

12:12 R17.07 Laser Induced Configurational Transitions in Liquid Crystals

Gongjian Hu, Peter Palffy-Muhoray (KSU)

12:24 R17.08 Time Dependent Behavior in the Weissenberg Effect

Michael M. Degen, C. David Andereck (The Ohio State University)

12:36 R17.09 Observation of Spectral Signatures of 1/f Dynamics in Avalanches on Granular Piles

Yong W. Kim, Thomas K. Nishino (Lehigh Univ)

12:48 R17.10 1/f noise study in polycrystalline and bamboo structure Al films

S. Hayakawa, K.G. Lynn (Washington State University), K.P. Rodbell (IBM Research Division), M.J.C. van den Homberg, A.H. Verbruggen (Delft Univ. of Tech.)

13:00 R17.11 Stochastic Dynamics of Electron Glasses and the Hopping Conduction Noise

Sh. Kogan (Los Alamos National Laboratory)

13:12 R17.12 Spatial Correlations of the f^-\alpha Noise in NbSe_3

S.G. Lemay, R.E. Thorne (Cornell University)

13:24 R17.13 1/f Noise and Asymmetries in the Evaporation and Nucleation of Phase Fronts

T. H. Williamson, Xinlei Wu, J. A. Michael, J. P. McCarten (Clemson University)

11:00 R18.01 Band Crossing and Magnetic Breakdown in the Dirty Limit.

Denis Golosov (Argonne National Laboratory and the University of Chicago), Andrei Ruckenstein (Rutgers University)

11:12 R18.02 Magnetoresistance of Tl_2Mo_6Se_6

Jayong Kuh, E.H. Mengistu, J.C. McCarten, G.X. Tessema, M.J. Skove (Clemson University), Hugo Saffar (Univ. of Chicago at Chicago Circle)

11:24 R18.03 New Fundamental dHvA Frequency in Canonical Low-Dimensional Fermi Liquids

A.M. Bratkovsky (Hewlett-Packard Labs, Palo Alto, CA), A.S. Alexandrov (Loughborough University, UK)

11:36 R18.04 The ømega Dependence of the Many-Body Local-Field Factor in Al

J.Z. Tischler, B.C. Larson (Oak Ridge National Laboratory), A.G. Eguiluz (Univ. of Tenn. and Oak Ridge National Laboratory), A. Fleszar (Univ. Würzburg)

11:48 R18.05 Negative Temperature Coefficient of the Resistivity in liquid CeCu

H.S. Schnyders, J.B. VanZytveld (Calvin College)

12:00 R18.06 Structure and electron Transport in Sodium Nanowires

R. N. Barnett, Uzi Landman (Georgia Institute of Technology)

12:12 R18.07 Bulk Self-Electromigration in Close-Packed Metals

J.P. Dekker, A. Lodder (Department of Physics and Astronomy, Free University, Amsterdam, The Netherlands)

12:24 R18.08 The Anomalous Magnetoresistance in the Granular Metal-Insulator Materials Near the Pecolation Threshold

Xiang Rong Wang (Hong Kong Univ. of Sci. amp; Tech.), Xin Cheng Xie (Oklahoma State University)

11:00 R19.01 Coexistence of Canted Antiferromagnetic and Spin Glass Behaviors in a Family of 2D Organometallic Nano\-com\-pos\-ites

M.A. Gîr\ctu, C.M. Wynn, A.J. Epstein (The Ohio State University), W. Fujita, K. Awaga (University of Tokyo)

11:12 R19.02 Static, Dynamic, and Nonlinear Magnetic Response of Quasi-1D Manganeseporhyrin-Based Magnets

C.R. Kmety, C.M. Wynn, M.A. Gîr\ctu, A.J. Epstein (The Ohio State University), E.J. Brandon, Joel S. Miller (University of Utah)

11:24 R19.03 Magnetic studies of Mn(TCNE)x.ysolvent: a new member of the high T_c molecule-based M(TCNE)x.ysolvent family (M = V, Mn)

C. M. Wynn, M.A. Gîr\ctu, A.J. Epstein (The Ohio State University), J. Zhang, Joel S. Miller (University of Utah)

11:36 R19.04 Quantum Spin Glasses at Strong Disorder

Ferenc Pázmándi (University of California, Davis)

12:12 R19.05 Extraction of the Spin Glass Parisi Physical Order Parameter from Experiment

R. Orbach, Y.G. Joh (Department of Physics, University of California, Riverside, California 92521-0101), J. Hammann (Service de Physique de l'Etat Condensé, CEA Saclay, France)

12:24 R19.06 Hierarchical Model for AC Susceptibility in Spin Glasses

Y. G. Joh, R. Orbach (Department of Physics, University of California, Riverside, California 92521-0101), E. Vincent, J. Hammann (Service de Physique de l'Etat Condensé, CEA Saclay, France)

12:36 R19.07 Numerical Study of Competing Spin-Glass and Ferromagnetic Order

M.V. Simkin (Brown University)

12:48 R19.08 SK Spin Glass with Glauber Dynamics: Theory and Simulations

Grzegorz Szamel (Colorado State University)

13:00 R19.09 High-Q Si oscillator studies of thin spin glass films

R. D. Biggar, J. M. Parpia (Dept. of Physics, Cornell University, Ithaca NY 14853)

13:12 R19.10 Magnetic Behavior and Magnetic Phase Diagram of Co/Mn dichloride monohydrate

G.C. DeFotis, G.S. Coker, J.R. Goodey, J.S. Bergman, H.A. King (College of William and Mary, Williamsburg, VA)

11:00 R21.01 Bioengineering Spin-Offs from Dynamical Systems Theory

J.J. Collins (Department of Biomedical Engineering, Boston University, 44 Cummington Street, Boston, MA 02215)

11:36 R21.02 Dynamical Model for Noise-Enhanced Signal Transduction in Voltage Dependent Ion Channels

Paul Gailey (Oak Ridge National Laboratory.)

11:48 R21.03 Unstable and stable periodicities in thermally sensitive electroreceptors of catfish

Frank Moss (), Xing Pei (University of Missouri at St. Louis), Hans Braun, Klaus Schafer (University of Marburg, Germany), Rob Peters (University of Utrecht, The Netherlands)

12:00 R21.04 Noise, multistability and long-tailed interspike interval (ISI) histograms

Jennifer Foss, Christian Eurich, John Milton (Committee on Neurobiology, The University of Chicago), Toru Ohira (Sony Corporation, Tokyo)

12:12 R21.05 Phase locking times in populations of independent leaky integrate-and-fire (LIF) neurons

John Hunter, John Milton (Committee on Neurobiology), Peter Thomas, Jack Cowan (Dept. Mathematics, The University of Chicago)

12:24 R21.06 Noise induced spatio-temporal coherence and self organized criticality in neuronal assemblies

Peter Jung (School of Physics, Georgia Institute of Technology)

12:36 R21.07 Multifractality in Cardiac Dynamics

Plamen Ch. Ivanov (Boston University), Misha Rosenblum (Universität Potsdam, Postdam, Germany), H. Eugene Stanley (Boston University), Shlomo Havlin (Bar-Ilan University, Israel), Ary Goldberger (Harvard Medical School, Beth Israel Hospital, Boston)

12:48 R21.08 Messenger RNA regulation and circadian clocks : a Ginzburg-Landau approach

George Kastrinakis (University of Illinois at Urbana-Champaign)

13:00 R21.09 A smart strategy of Dictyostelium for its survival

Seido Nagano (NEC Corporation)

11:00 R22.01 A New Electrorheological Fluid: Theory and Experiment

Wing Yim Tam, Guang Hua Yi, Weijia Wen (Physics Department, The Hong Kong University of Science and Technology), Hongru Ma (Department of Physics, Jiaotung University, Shanghai, People's Republic of China), Michael M. T. Loy, Ping Sheng (Physics Department, The Hong Kong University of Science and Technology)

11:12 R22.02 Investigations of Field-Structured Materials

J.E. Martin, R.A. Anderson (Sandia National Laboratories, Albuquerque, NM 87185-1421)

11:24 R22.03 Equilibrium and Non-equilibrium Structures in Electrorheological (ER) Fluids

G. L. Gulley, R. Tao (Southern Illinois University at Carbondale)

11:36 R22.04 Conductivity versus Dielectric Mechanisms for Electrorheology

L. C. Davis (Ford Motor Co.)

12:12 R22.05 Computational Studies of Compressed and Sheared Electrorheological Fluid

K.K. Kaski, A.J. Lukkarinen (Laboratory of Computational Engineering, Helsinki University of Technology)

12:24 R22.06 Non-Linear Effects in Electrorheological Fluids

L. C. Davis (Ford Motor Co.)

12:36 R22.07 Frequency and Water Content Dependencies of Electrorheological Properties

Weijia Wen (Physics Department, The Hong Kong University of Science and Technology), Hongru Ma (Department of Physics, Jiaotung University, Shanghai, People's Republic of China), Wing Yim Tam, Ping Sheng (Physics Department, The Hong Kong University of Science and Technology)

12:48 R22.08 Electric-field-induced phase transitions in electrorheological (ER) fluids in non-uniform electric fields

Boris Khusid, Andreas Acrivos (The City College of New York)

11:00 R24.01 Orthorhombic Symmetry DX/AX Deep Impurity Centers in III-V and II-VI Semiconductors

James D. Chadi (NEC Research Institute, 4 Independence Way, Princeton, NJ 08540)

11:36 R24.02 Tight-Binding Electronic Structures of GaAs/InAs(001) Thin Layer Systems

N. Tit (Physics Department, UAE University, P.O. Box 17551, Al-Ain, The United Arab Emirates)

11:48 R24.03 Million-atoms pseudopotential calculation of \Gamma-X mixing in GaAs/AlAs superlattices and quantum dots

L.W Wang, A. Franceschetti, Alex Zunger (National Renewable Energy Laboratory, Golden CO 80401)

12:00 R24.04 Near-band-edge resonant states of AlAs monolayers embedded in bulk GaAs: the role of d orbitals

M. Di Ventra, A. Baldereschi (IPA-EPFL, Switzerland)

12:12 R24.05 First-Principles Study of Halogen Etching of GaAs (110) Surface.

Hanchul Kim, James R. Chelikowsky (University of Minnesota)

12:24 R24.06 An Ab Initio Cluster Study of the Ga Rich GaAs(100) Surface

R. Schailey, A.K. Ray (University of Texas at Arlington)

12:36 R24.07 An Ab Initio Cluster Study of Alkali Adsorption on GaAs (110) Surface

M. Panda, A.K. Ray (University of Texas at Arlington)

12:48 R24.08 Influence of the Local Micro Structure on the Macroscopic Properties of Si_1-x-yGe_xC_y Alloys.

M. Meléndez-Lira, W. Windl, J.D. Lorentzen, J. Menéndez, O.F. Sankey (Dept. of Physics and Astronomy, Arizona State University, Tempe, AZ 85287-1504)

13:00 R24.09 Electronic gap states in Na doped sodalite -- a particle in a 3D spherical well?

Otto F. Sankey, A.A. Demkov, K.E. Schmidt, J.B. Page (Arizona State Univ.)

13:12 R24.10 The Electronic Structure of Sodalite by First Principles.

Renata M. Wentzcovitch, Kendall T. Thomson, Alon V. McCormick, H. T. Davis (University of Minnesota)

13:24 R24.11 Determination of Environmentally-Dependent Parameters of an Interatomic Potential for Use in a Molecular Dynamics Simulation of the Epitaxial Growth of Semiconductors.(Work supported by the Campus Laboratory Collaborations Program of the University of California.)

Charles D. Consorte, C. Y. Fong, Barry M. Klein (University of California at Davis), L. A. Hemstreet (Naval Research Lab)

11:00 R25.01 An Orientation Epitaxy and Phase Transformation of the Reconstructed Au(001) Surface.

Sun M. Paik, H. Song, Sung M. Yoo (Physics Department, Kangwon National University, Chunchon 200-301), J. M. Choi, C. N. Whang (Dept. of Physics, Yonsei University, Seoul 120-301, Korea)

11:12 R25.02 First principles calculations of surface stress of ultrathin Ag overlayers on Au and Pt

Xindong Wang, C.L. Fu (Metals and Ceramics Division, Oak Ridge National Laboratory)

11:24 R25.03 Strain Dependence of the Surface Diffusion Constant for Ag on Ag(111): A First Principle Calculation

Christian Ratsch, Matthias Scheffler (Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, D-14195 Berlin-Dahlem, Germany)

11:36 R25.04 Investigation of Equilibrium Morphology of Homoepitaxial Islands on Close Packed Metallic Surfaces via a Lattice Gas with Coordination Dependent Bonding

Mark C. Fallis, C. Y. Fong (University of California at Davis)

11:48 R25.05 Dynamics and Diffusion of Large Islands on Surfaces

Alexander Bogicevic, Bengt Lundqvist (Chalmers University of Technology and Göteborg University), Shudun Liu, Horia Metiu (University of California, Santa Barbara)

12:00 R25.06 KMC and Rate-Equation Study of Coalescence of Adatom Islands

Shudun Liu, Lutz Bönig, Horia Metiu (UNIVERSITY OF CALIFORNIA, SANTA BARBARA)

12:12 R25.07 Simulations of Homoepitaxial Growth of Pt(111): Island Shapes and the Growth Mode.

J. Jacobsen (LASSP, Cornell U., Ithaca, NY 14853)

12:48 R25.08 Observation of Ordered Nanostructures on Rh (111) Surfaces

Jun-Hao Xu, J. Wellman, D. Barlett, Yonghua Wang, Roy Clarke, Ctirad Uher (Department of Physics, University of Michigan, Ann Arbor, MI 48109), F. Tsui (Department of Physics and Astronomy, University of North Carolina, Chapel Hill, NC 27599)

13:00 R25.09 Stacking Sequence Selection by Miscut in Epitaxially Grown Cu_3Au

S. W. Bonham, C. P. Flynn (Department of Physics, University of Illinois, Urbana), G. L. Zhou (Materials Research Laboratory, University of Illinois, Urbana)

11:00 R26.01 Studies of Diffusion, Ordering, and Phase-Separation Kinetics Using Coherent X-rays

G. Brian Stephenson (Materials Science Division, Argonne National Laboratory)

11:36 R26.02 Kinetics of Phase Transformations in CuAu Alloys

O. Malis, K. Ludwig (Boston University)

11:48 R26.03 X-ray Structural Investigation of BeS: from ambient pressure to 96 GPa

Chandrabhas Narayana, Victor J. Nesamony, Arthur L. Ruoff (Cornell University)

12:00 R26.04 HCP-to-FCC Transitions in Group VIII Elements at High Pressures and Temperatures*

C. S. Yoo, H. Cynn (LLNL)

12:12 R26.05 X-Ray Diffraction Study of the Critical Phenomena at the Spin-Peierls Transition in CuGeO_3

M.D. Lumsden, B.D. Gaulin, H. Dabkowska (McMaster University)

12:24 R26.06 Slow dynamics and instability in BaZnF_4

H.N. Bordallo (MLNSC, Los Alamos National Laboratory), A. Bulou (University of Le Mans, France), R. Currat (ILL, Grenoble, France)

12:36 R26.07 Superstructure ordering in La-doped lead magnesium niobate

D.M. Fanning, I.K. Robinson, S.T. Jung, D.A. Payne, D.D. Viehland (University of Illinois at Urbana-Champaign)

12:48 R26.08 Structural and Calorimetric Studies of Solid--State Phase Transformations in Rapidly Quenched Fe-Zr-B Alloys

R. S. Taylor, K. M. Unruh, W. Manrakhan (Department of Physics and Astronomy, University of Delaware, Newark, DE 19716, USA)

13:00 R26.09 The Electron-Stimulated Desorption of D^+ From D_2O Ice: Surface Structure and Electronic Excitations

M.T. Sieger, W.C. Simpson, T.M. Orlando (Pacific Northwest National Laboratory)

11:00 R27.01 Computer Simulation of Diffusion-Controlled Grain Growth Using Continuum Field Equations

Long-Qing Chen (Pennsylvania State University)

11:36 R27.02 An Atomistic Study of Grain Structure Evolution during Thin Film Deposition

Hanchen Huang (Lawrence Livermore National Lab), George Gilmer (Bell Labs), Tomas Diaz de la Rubia (Lawrence Livermore National Lab)

11:48 R27.03 Molecular Dynamics Simulation of High Strain-Rate Void Nucleation in Nanocrystalline Copper.

J. Belak, D.B. Boercker, G.S. Bales, J. Glosli (University of California, Lawrence Livermore National Laboratory, Livermore, CA 94551)

12:00 R27.04 Kinetic Monte Carlo simulations of void growth in metals under=20 irradiation

G.S. Bales, J. Belak, J.E. Klepeis (Lawrence Livermore National Laboratory, Livermore, CA = 94551)

12:12 R27.05 Dynamics of Cellular Pattern Evolution Under Stress: Hysteresis and Avalanches.

Y. Jiang, J.A. Glazier (U. Notre Dame), P.J. Swart, A. Saxena (LANL)

12:24 R27.06 Numerical simulation of two-dimensional late-stage coarsening at high area fraction

Daniel I. Meiron (Applied Mathematics, Caltech), Norio Akaiwa (Comp. Materials Science Division, National Research Inst. for Metals, Tsukuba, Japan)

12:36 R27.07 Droplet Theory Analysis of the Three Dimensional Kinetic Ising Model

Dean Townsley, M.A. Novotny, P.A. Rikvold (SCRI, Physics, ^\astMARTECH, Florida State University, ^\circElectrical Engineering, FAMU--FSU College of Engineering)

12:48 R27.08 Simulation of Recrystallization using a 3D Cellular Automaton Approach

Volker Marx, Dierk Raabe, Günter Gottstein (Institut für Metallkunde und Metallphysik, SFB 370 "Integrative Werkstoffmodellierung" der DFG, RWTH Aachen, Gemany)

13:00 R27.09 Coarsening in the presence of vacancies.

Sonali Mukherjee, Bernard R. Cooper (West Virginia University)

13:12 R27.10 Brittle/Ductile Behavior in Amorphous Systems

M.L. Falk, J.S. Langer (University of California, Santa Barbara)

13:24 R27.11 Molecular Dynamics Simulations of Carbon-Based Materials

A. Omeltchenko, J. Yu, R. K. Kalia, P. Vashishta (Concurrent Computing Laboratory for Materials Simulations, Dept. of Physics amp; Astronomy, Dept. of Computer Science, Louisiana State University)

13:36 R27.12 The Silicon / Silicon Nitride Interface and Fracture in Si: Molecular Dynamics Simulations

Martina E. Bachlechner, Rajiv K. Kalia, Priya Vashishta (Concurrent Computing Laboratory for Materials Simulations, Dept. of Physics amp; Astronomy, Dept. of Computer Science, Louisiana State University), Ingvar Ebbsjö (The Studsvik Neutron Research Laboratory, University of Uppsala, S-61182 Nykping, SWEDEN)

11:00 R28.01 Nanostructure and Dynamics of Polymers and Thin Polymer Films: Studies by Positron Annihilation Spectroscopy

Albert F. Yee (University of Michigan)

11:36 R28.02 Surface Properties of Polystyrene Studied by Slow Positrons

Y.C. Jean, Huimin Cao (University of Missouri-Kansas City)

11:48 R28.03 Positron Lifetime Study of Inorganic-Organic Polymers

Andre Lee (Michigan State University), Joseph Lichtenhan (USAF-Phillips Laboratory), Chris Sole, Albert Yee (University of Michigan)

12:00 R28.04 Positron States of ET-Based Organic Superconductors

Hsui-Ling Yen, Yonming Lou, Y.-N. Ching, W.Y. Jean (University of Missouri-Kansas City)

12:12 R28.05 Positron Annihilation in NLO Materials

Chia-Ming Huang, Huimin Cao, Renwu Jean (University of Missouri-Kansas City)

12:24 R28.06 Vacancy Clustering and Vacancy Impurity Interactions in Si

B. Nielsen (), P. Asoka-Kumar (Department of Applied Science, Brookhaven National Laboratory, Upton, NY 11973), O. W. Holland, T. E. Haynes, E. Roth (), V. C. Venezia (Solid State Division, Oak Ridge National Laboratory)

12:36 R28.07 The Influence of CHn Groups on the Defect Characteristics in a-SiC:H Films

Thomas Friessnegg (Institut f=FCr Kernphysik, Technische Universit=E4t Graz, Aust= ria), Marcel Boudreau, Peter Mascher (Department of Engineering Physics, McMaster University,=20 Hamilton, Ontario, Canada), Peter Simpson (Department of Physics, The University of Western Ontario,=20 London, Ontario, Canada), Werner Puff (Institut f=FCr Kernphysik, Technische Universit=E4t Graz, Aust= ria)

12:48 R28.08 Spatially resolved defect spectroscopy with a microscopic beam

Richard H. Howell, Thomas E. Cowan, Phil A. Sterne (Lawrence Livermore National Laboratory, Livermore CA 94550)

R28.09 Detection of Ti-rich Precipitates in Iron by Means of Positron Annihilation Spectroscopy

J. Kuriplach, C. Dauwe, D. Segers (Subatomic and Radiation Physics Dept., RUG, Ghent, Belgium), M. Sob (Inst. of Physics of Materials, Acad. Sci. of the Czech Republic, Brno, Czech Republic)

11:00 R30.01 Not known at this time

Ellen De Brabander (DSM Research)

11:36 R30.02 Quantum Mechanical Studies and Molecular Dynamic Studies of Photonic Molecules on Surfaces and in Polymers

III Goddard (Caltech)

12:00 R30.03 Control of Electronic and Electrostatic Interactions by Supramolecular Architectures

Larry Dalton (University of Southern California)

12:24 R30.04 Supramolecular Chemistry of Dendrimers

Steve Zimmerman (University of Illinois)

12:48 R30.05 Properties and Applications of Hyperbranched Polyesters

Kent Sorensen (Perstorp Polyols, Perstorp, Sweden)

13:24 R30.06 Hyperbranched Polymer

Young H. Kim (DuPont, CR&D)

13:48 R30.07 Structure of a Unimolecular Dendritic Reverse Micelle in Dense CO_2 Via Small Angle Scattering

J. S. Lin (Oak Ridge Nat. Lab.)

11:00 R31.01 Modeling of the Deformation Behavior of Flexible Polymers

Yves Termonia (DuPont CR&D)

11:36 R31.02 The Influence of Entanglements on Regime Transitions in Polymer Crystallization

Paul J. Phillips (Dept. of Materials Science & Engineering, University of Tennessee, Knoxville)

12:12 R31.03 Effect of Processing on the Molecular Structure, Rheology, Crystallization, Morphology and Physical Properties of Polyethylenes

A. Prasad (Quantum Chemical Corporation)

12:48 R31.04 Not known at this time

P.G. Lemstra (Netherlands Univ. of Technology)

12:12 R'1.01 STM Studies of the Vortex Lattice in YBCO

O. Fischer (Universite De Geneva)

12:48 R'1.02 Zero-Bias Anomalies in High-Temperature Superconductors

L. H. Greene (Physics Department, University of Illinois at Urbana-Champaign, Urbana, IL 61801)

12:48 R'3.01 Evolution of the Structure and Spin Dynamics with Ca Doping in (La-Ca)MnO_3

Jeffrey Lynn (Reactor Radiation Division, NIST, Gaithersburg, MD 20899, and Center for Superconductivity, University of Maryland, College Park, MD 20742.)

13:24 R'3.02 Magnetic Structure and Spin Dynamics in (La-Sr)MnO_3

A.H. Moudden (Laboratoire Léon Brillouin, CE/Saclay, 91191 Gif sur Yvette, France)

12:48 R'4.01 Imaging Charge-Density-Wave Strains in K_0.3MoO_3 Using Electromodulated Transmission

J.W. Brill (University of Kentucky)

13:24 R'4.02 Spatially-Resolved Studies of Charge-Density-Wave Dynamics in NbSe_3

Robert E. Thorne (Cornell University)

12:48 R'5.01 Hot-electron induced trapped charge and transport in wide-bandgap materials studied by Ballistic-Electron Emission Microscopy

Ben Kaczer (The Ohio State University, Department of Physics, 174 W. 18th Avenue, Columbus, OH 43210)

13:24 R'5.02 Electric fields at buried silicon interfaces probed by optical second-harmonic generation

Christoph Meyer (Institut für Halbleitertechnik II, RWTH Aachen, Germany)