Program overview

MONDAY MORNING, 17 MARCH 1997

08:00 A1.01 ARPES Measurements of Fermi Surface Evolution in BSCCO Materials

Zhi-Xun Shen (Stanford University)

08:36 A1.02 A Theory of the Longitudinal and Hall Conductivities of Cuprate Superconductors

Branko Stojkovi\'c (University of Illinois)

09:12 A1.03 Optical Conductivity of High T_c Superconductors: From Under- to Overdoped

Tom Timusk (McMaster University, Hamilton, ON Canada L8S 4M1)

09:48 A1.04 Superconducting and Normal State Energy Gaps in Y_0.8Ca_0.2Ba_2Cu_3O_7-\delta from the Electronic Specific Heat.

J.W. Loram (IRC in Superconductivity, University of Cambridge,UK.)

10:24 A1.05 Crossover Temperatures and Spin Pseudogap in Underdoped Cuprates: an NMR Study of HgBa_2Ca_2Cu_3O_8+\delta

Marc-Henri Julien (Grenoble High Magnetic Field Laboratory)

08:00 A2.01 Time-Resolved Transport Measurements in the Integer and Fractional Quantum Hall Regime

Gabriele Ernst (Max-Planck-Institut für Festkörperforschung, D-70569 Stuttgart, Germany)

08:36 A2.02 Composite Fermions in Confined Geometries

Renn Scot (Dept. of Physics, UC San Diego)

09:12 A2.03 The Aharonov-Bohm Effect and Edge States in the Fractional Quantum Hall Regime

C.J.B. Ford (University of Cambridge, UK)

09:48 A2.04 Aharonov-Bohm Effect in the Chiral Luttinger Liquid

Michael R. Geller (Department of Physics, Simon Fraser University)

10:24 A2.05 Two Point-Contact Interferometer for Quantum Hall Systems

Denise Freed (Princeton University)

08:00 A3.01 III-V Nitride Based Laser diodes

Shuji Nakamura (R&D Department, Nichia Chemical Industries Ltd, 491, Oka, kaminaka, Anan, Tokushima 774, Japan e-mail: shuji@nichia.co.jp)

08:36 A3.02 Theory of Surfaces and Interfaces In Wide-Gap Nitrides

Krzysztof Rapcewicz (North Carolina State University, Raleigh, NC)

09:12 A3.03 Materials Physics Issues of the Wide-Gap Nitrides

T.D. Moustakas (Boston University)

09:48 A3.04 Magnesium-Hydrogen Complexes in GaN

Noble M. Johnson (Xerox PARK)

10:24 A3.05 Carrier relaxation in GaN.

K.T. Tsen (Arizona State University)

08:00 A5.01 X-Ray Microprobe Study of Electromigration

G. S. Cargill (Columbia University)

08:36 A5.02 X-Ray Microbeam Measurements of Semiconductor Devices

Alastair MacDowell (Advanced Light Source, LBL and Bell Labs)

09:12 A5.03 X-Ray Microprobe Applications at the Advanced Photon Source

Wenbing Yun (Advanced Photon Source)

09:48 A5.04 Soft X-ray Spectromicroscopy of Polymers

Harald Ade (Dept. of Physics, NCSU, Raleigh, NC27596)

10:24 A5.05 Soft X-ray Microbeam Studies of Biological Systems

Janos Kirz (Department of Physics, SUNY, Stony Brook, NY 11794)

08:00 A7.01 Surface Chemistry, Metallic Oxidation and Materials Growth Using Energetic Reagents

Steve Sibener (James Franck Institute)

08:36 A7.02 Time--Resolved Measurements of Overlayer Ordering in Electrodeposition

A.C. Finnefrock, L.J. Buller, K.L. Ringland, H.D. Abruña, J.D. Brock (Cornell University)

08:48 A7.03 Atomic scale studies of catalytic reactions on metal surfaces using STM

J. Wintterlin (Fritz-Haber-Institut der Max-Planck-Gesellschaft, Germany)

09:24 A7.04 STM Study of C_2H2 Adsorption on Si(100)

C. Tindall, L. Li, O. Takaoka, Y. Hasegawa, T. Sakurai (Institute for Materials Research, Tohoku University)

09:36 A7.05 STM study of hydrogen adsorption on Si(114)-(2\times 1)

A. Laracuente, S. C. Erwin, L. J. Whitman (Naval Research Laboratory, Washington, DC 20375)

09:48 A7.06 Visualizing Donor-Acceptor-Bond Chemistry at Semiconductor Surfaces with STM: NH_3 on GaAs(110)

G. Brown, J. Steinshnider, M. Weimer (Department of Physics, Texas Aamp;M University, College Station, TX 77843)

10:00 A7.07 Silicon Oxidation: From Atomistics to Nanometer Scale Fabrication

Martel Richard (IBM Research Division, T. J. Watson Research Center, Yorktown Heights, NY 10598)

08:00 A8.01 New Developments in High Resolution Quadrupolar NMR

Lucio Frydman (University of Illinois)

08:36 A8.02 Spin Dephasing in Many-Body Dipolar Systems

Yung-Ya Lin, Alexander Pines (Department of Chemistry, University of California, Berkeley, CA 94720, and Material Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720)

08:48 A8.03 NMR Spin-Spin Relaxation as Kinetics in Spin Phase Space.

Boris Fine (Physics Dept., University of Illinois at Urbana-Champaign)

09:00 A8.04 Enhancement of Surface NMR by Laser-Polarized Noble Gases

T. Room, S. Appelt, R. Seydoux, A. Pines (MSD, Lawrence Berkeley National Lab. and the Dept. of Chemistry, UC Berkeley), E.L. Hahn (Dept. of Physics, UC Berkeley)

09:12 A8.05 High Resolution NMR in Inhomogeneous Fields

Mark S. Conradi (Washington University - Department of Physics)

09:48 A8.06 MRI Edge Enhancement Observed with Hyperpolarized ^3He

Brian Saam, Nadav Drukker, William Happer (Princeton University)

10:00 A8.07 Enhancing Solution-State NMR with Laser-Polarized Xenon

B. M. Goodson, Y.-Q. Song, R. E. Taylor, D. D. Laws, A. Pines (University of California, Berkeley), G. Navon (Tel Aviv University, Tel Aviv, Israel)

10:12 A8.08 Distribution and Dynamics of Molecules in Zeolites

Cynthia Jameson (University of Illinois)

08:00 A9.01 Vortex dynamics near melting in layered superconductors: Theory versus NMR rerlaxation experiments in organic and HTSC matherials.

Serguei Brazovskii (Landau Institute for Theoretical Physics)

08:12 A9.02 Understanding Nonlocal Conductivity in High Temperature Superconductors

S. J. Phillipson, M. A. Moore (University of Manchester), T. Blum (University of Virginia)

08:24 A9.03 Mechanisms for c axis dissipation of the vortex structure in highly anisotropic superconductors

E. A. Jagla, C. A. Balseiro (Centro Atómico Bariloche, Argentina)

08:36 A9.04 Lagevin Dynamics Simulation of Vortex Lattice Melting in a Layered Superconductor

Girija Dubey (Department of Physics, CUNY-Hunter College, NY, New York), Zhi-Xiong Cai (Department of Applied Science, Building 480, Brookhaven National Laboratory, P. O. Box 5000, Upton, New York)

08:48 A9.05 1/f-flux-noise and dynamical critical properties of vortices in two-dimensional XY models

J.E. van Himbergen, P.H.E. Tiesinga (Utrecht Univ.), J.V. José (Northeastern Univ.), T.J. Hagenaars (Univ. Wuerzburg)

09:00 A9.06 Current-voltage characteristics of moving 2D pancake vortices in a finite stack of Josephson-decoupled superconducting thin films with transport current in the top layer

Thomas Pe, Maamar Benkraouda, John R. Clem (Iowa State University)

09:12 A9.07 Perturbative studies of the conductivity in the vortex-liquid regime

Thomas Blum (University of Virginia), Michael Moore (University of Manchester)

09:24 A9.08 Complementary Variational Theorems for inhomogeneous superconductors

T.C. Choy (Monash University)

09:36 A9.09 Generalized London Equation and Fourfold Anisotropies in High Tc Superconductors

M.H. Sharifzadeh Amin, Ian Affleck (UBC), Marcel Franz (Johns Hopkins University)

09:48 A9.10 Random Matrix Model for Type-II Superconductors

Safi R. Bahcall

A9.11 Stability of the Bragg glass phase in a layered geometry

D. Carpentier, P. Le Doussal (LPTENS), T. Giamarchi (LPS d'Orsay)

A9.12 Finite Size Effects, I-V Characteristics, and Critical Phenomena in Layered Superconductors

Stephen W. Pierson, Sergey B. Simanovsky (Worcester Polytechnic Institute (WPI))

A9.13 Dynamic and Commensurate Effects of Vortices Interacting with Square and Triangular Pinning Arrays.

C. Reichhardt, J. Groth, C.J. Olson, S. Field, F. Nori (U. of Michigan)

08:00 A10.01 Planar Josepson Weak Link Devices in YBa_2Cu_3O_7-x using Ion Irradiation

A.S. Katz, A.G. Sun, K. Char, S.S. Lau, R.C. Dynes (University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0319)

08:12 A10.02 Nature of the Josephson barrier in FEG electron-beam-written YBCO junctions

M.S. Rzchowski, B.M. Hinaus (Physics Department, University of Wisconsin-Madison), B.A. Davidson, J.E. Nordman (ECE Department, University of Wisconsin-Madison), K. Sianchaew, M. Libera (MSamp;E Department, Stevens Institute)

08:24 A10.03 Critical temperatures and critical currents in high-T_c Josephson junctions fabricated by focused electron irradiation

Sergey K. Tolpygo, Michael Gurvitch (Department of Physics, SUNY at Stony Brook, Stony Brook, NY 11794)

08:36 A10.04 Half Integer Shapiro Steps in YBa_2Cu_3O_7-\delta / YBa_2Co_0.21Cu_2.79O_7-\delta / YBa_2Cu_3O_7-\delta Ramp Edge Junctions

S.C. Gausepohl, Mark Lee (University of Virginia), K. Char, S.J. Berkowitz (Conductus, Inc.)

08:48 A10.05 Transport Properties of YBa_2Cu_3O_7-\delta/Y_0.6Pr_0.4% Ba_2Cu_2.7Co_0.3O_x/YBa_2Cu_3O_7-\delta Edge Junctions

R. Contreras, B. H. Moeckly, K. Char, B. H. Moeckly, K. Char (Conductus, Inc.)

09:00 A10.06 A multi-channel biomagnetometer system for operation in unshielded environments

P.J.M. Wöltgens, R.H. Koch, S.L. Brown, R.A. Altman, W.J. Gallagher (IBM T.J. Watson Research Center, Yorktown Heights, NY 10598), R. Matthews, S.G. Haupt, D.K. Lathrop (Quantum Magnetics, San Diego, CA 92121)

09:12 A10.07 Room Temperature Magnetic Microscopy Using a High-T_c Superconducting Quantum Interference Device

S. Chatraphorn, E. F. Fleet, F. C. Wellstood (University of Maryland), R. C. Black (Quantum Design), S. M. Green (Neocera Inc.)

09:24 A10.08 Thin-film microwave filters for dc SQUIDs

I. Jin, A. Amar, F. C. Wellstood (University of Maryland)

09:36 A10.09 The Temperature Dependence of High-T_C SQUID Magnetometers

R.H. Koch, F.P. Milliken, S.L. Brown, R.A. Altman, W.J. Gallagher (IBM Thomas J. Watson Research Center, Yorktown Heights, NY 10598), S.G. Haupt, D.K. Lathrop (Quantum Magnetics, San Diego, CA 92121)

09:48 A10.10 Voltage rectification in a driven asymmetric SQUID.(Supported by Deutsche Forschungsgemeinschaft: HA 1517/13-1 and by DGICyT:PB93-1248.)

Peter Hänggi, Roland Bartussek (University of Augsburg, Dept. of Physics, Memminger Str. 6, D-86135 AUGSBURG, Germany), Fernando Sols, Ivar Zapata (Dpto. Fisica Teorica de la Materia Condensada, Universidad Autonoma de Madrid, E-28049 Madrid,Spain)

A10.11 Nonequilibrium effects in high-T_c Josephson junctions with highly transparent interfaces

S. K. Tolpygo, Athanassios Bardas, Dmitri Averin, Michael Gurvitch (Department of Physics, SUNY at Stony Brook, Stony Brook, NY 11794)

08:00 A11.01 Effect of magnetic and non-magnetic impurities in highly anisotropic superconductivity

I.I. Mazin (G. Mason University and Naval Research Lab.), A.A. Golubov (University of Twente, The Netherlands and Institute for Solid State Physics, Russia)

08:12 A11.02 Critical fluctuations in superconductors

Igor Herbut (University of British Columbia), Zlatko Te\v sanovi\' c (Johns Hopkins University)

08:24 A11.03 dHvA Effect for a Superconductor in a Magnetic Field well below H_c2

L.P. Gor'kov, J.R. Schrieffer (National High Magnetic Field Laboratory, Florida State University, Tallahassee, FL)

08:36 A11.04 Landau quantization in superconductors and the upper critical field

S. Dukan (Goucher College), Z. Te\vsanovi\'c (Johns Hopkins University)

08:48 A11.05 Ginzburg-Landau Theory of Single Spin Superconductivity

Robert E. Rudd (SFA amp; Naval Research Laboratory), Warren E. Pickett (Naval Research Laboratory)

09:00 A11.06 Dynamics of current-carrying states in quasi-one-dimensional superconductors

Michael Fowler, Andrew Dolgert, Alan Dorsey, Thomas Blum (University of Virginia)

09:12 A11.07 Propagation of a Normal-Superconducting Interface in a Current-Carrying Strip

Andrew Dolgert, Michael Fowler, Alan Dorsey, Thomas Blum (University of Virginia)

09:24 A11.08 Long-Wavelength Response of a Superconducting disc

K. Sengupta, V.M. Yakovenko (University of Maryland at College Park)

09:36 A11.09 On the Characteristic Properties of Quantum Oscillatory Phenomena in Layered Conductors

N.A. Zimbovskaya (Ural State Mining and Geological Academy)

09:48 A11.10 Local Density of States in a Dirty Normal Metal Connected to a Superconductor

Christoph Bruder (Physikali\-sches Institut, Universität Bayreuth, 95440 Bayreuth, Germany), Wolfgang Belzig, Gerd Schön (Institut für Theoretische Festkörperphysik, Universität Karlsruhe, 76128 Karlsruhe, Germany)

08:00 A12.01 Nanometer Scale Defect Studies Using Near-field Photocurrent Imaging

Julia W. P. Hsu (University of Virginia)

08:36 A12.02 Optical Ionization Cross Sections Measured By Deep Level Optical Spectroscopy Show Significant Lattice Relaxation of the Carbon-Phosphorus Pair in Silicon

J. D. Laessig, B. W. Benson (Lehigh University, Bethlehem, PA)

08:48 A12.03 Analogous Au-H and Pt-H Defects in Silicon

M.J. Evans, S.J. Uftring, M.G. Gornstein, Michael Stavola (Lehigh University)

09:00 A12.04 Microcopic structure of Cadmium-Hydrogen complex in crystalline silicon and electric field gradient al the Cd site

M.A. Caravaca, R.A. Casali, C.O. Rodriguez (^1Fac. de Ingenieria,UNNE, Las Heras 727, 3500 Resistencia, Argentina)

09:12 A12.05 Valence and Atomic Size Dependent Exchange Barriers in Vacancy-Mediated Dopant Diffusion

J. S. Nelson, P. A. Schultz, A. F. Wright (Sandia National Laboratories)

09:24 A12.06 Electron Paramagnetic Resonance of Conduction-Band Electrons in Porous and Bulk Silicon

C.F. Young, E.H. Poindexter (Army Research Laboratory), G.J. Gerardi (William Paterson College), W.L. Warren (Sandia National Laboratories)

09:36 A12.07 Trapping Centers in Unibond Buried Oxides

Brian Wallace, Patrick Lenahan (Pennsylvania State University), John Conely (Dynamics Research Corporation)

09:48 A12.08 A PHYSICALLY BASED PREDICTIVE MODEL OF SIO2 CHARGING

Patrick Lenahan, Brian Wallace (Pennsylvania State University), John Conely (Dynamics Research Corporation)

10:00 A12.09 Trapping Centers in Borophosphosilicate Glass Thin Films on Silicon

Curt Billman, Andy Bullen, Patrick Lenahan (Pennsylvania State University), Robert Lowry, Robert Fuller, Howard Evans (Harris Semiconductor)

08:00 A13.01 Crystallinity of CdS nanoparticles formed in glass

P D Persans, L B Lurio, J Pant, T M Hayes (Rensselaer Polytechnic Institute)

08:12 A13.02 High Pressure Phase Stability of II-VI Semiconductor Nanocrystals

J Schroeder, M Lee, L W Hwang, M R Silvestri, P D Persans (Rensselaer Polytechnic Institute)

08:24 A13.03 Observation of Zero-dimensional Excitons in Self-assembled CdSe Quantum Dots

F. Flack, N. Samarth (The Pennsylvania State University, University Park PA 16802), V. Nikitin, P.A. Crowell, J. Shi, J. Levy, D. D. Awschalom (University of California-Santa Barbara, Santa Barbara CA 93106)

08:36 A13.04 Electrical Investigations of Gated Single Nanocrystal Systems

David Klein, Paul McEuen (Physics Department, UC Berkeley and MDI, Lawrence Berkeley National Laboratory), Richard Roth, Andrew Lim, Janet Bowen-Katari, A. Paul Alivisatos (Chemistry Department, UC Berkeley and MDI, Lawrence Berkeley National Laboratory)

08:48 A13.05 Phonon-assisted optical transitions in nanocrystals with the wurtzite structure

V. N. Gladilin, E. P. Pokatilov (State University of Moldova), V. M. Fomin, J. T. Devreese (Universitaire Instelling Antwerpen, Belgium), S. N. Balaban, S. N. Klimin (State University of Moldova)

09:00 A13.06 Exciton-Phonon Coupling in PbS Nanocrystals

T.D. Krauss, F.W. Wise (Cornell University)

09:12 A13.07 Infrared study of PbS nanoparticles

J. LaVeigne, D.B. Tanner (University of Florida), T.D. Krauss, F.W. Wise (Cornell University^**)

09:24 A13.08 Optical Absorption, Emission, and Raman Scattering from PbSe Nanocrystals

Soumyendu Guha (Code 6651, Naval Research Laboratory, Washington DC 20375), S.H. Risbud, V. Lappert, B. Bonner (University of California, Davis, CA 95616)

09:36 A13.09 Femtosecond Dynamics of Strongly-Confined Excitons in PbS and PbSe Quantum Dots.

I. Kang, T. D. Krauss, F. W. Wise (Cornell University), A. A. Lipovskii (St.-Petersburg Technical University)

09:48 A13.10 Electrons, holes and excitons in nanocrystalites - multiband approach

Wlodek Jaskolski, Garnett W. Bryant (National Institute of Standards and Technology, Gaithersburg, MD)

10:00 A13.11 "On" - "Off" Random Telegraph Signal in the Photoluminescence of Single Quantum Dots

Al. L. Efros, M. Rosen (Naval Research Laboratory)

10:12 A13.12 Real-Space Empirical Pseudopotential Calculatioins of Cadmium Selenide and Zinc Sulfide Nanocrystals

B. Zorman, R.A. Friesner (Department of Chemistry, Columbia University)

10:24 A13.13 Direct pseudopotential calculation of electron-hole Coulomb and exchange energy in semiconductor quantum dots

Alberto Franceschetti, Alex Zunger (National Renewable Energy Laboratory, Golden, CO 80401)

10:36 A13.14 Confinement in the Embedded and Coated Quantum Dot: Hydrogenic Impurity States.

W. N. Mei (University of Nebraska, Omaha, NE 68182,), C. S. Chu, C. S. Chuu (National Chiao-Tung University, Hsinchu, Taiwan, R. O. C.)

10:48 A13.15 Electron-phonon interaction and Raman scattering in nanocrystals

S. N. Klimin, E. P. Pokatilov (State University of Moldova), V. M. Fomin, J. T. Devreese (Universitaire Instelling Antwerpen, Belgium), V. N. Gladilin, S. N. Balaban (State University of Moldova)

08:00 A14.01 Electron-Phonon Interaction and Field-induced Metamagnetism in Heavy-Fermion Compounds

Gouri S. Tripathi, Rajiba L. Hota, Bijaya Mishra (Berhampur University, India), Prasanta K. Misra (Dept. of Physics, Mesa State College, Grand Junction, CO 81502)

08:12 A14.02 Protracted Screening in the Periodic Anderson Model

A.N. Tahvildar-Zadeh, M. Jarrell (University of Cincinnati), J.K. Freericks (Georgetown University)

08:24 A14.03 Magneto-Resistance in the Two-Channel Anderson Lattice

Frithjof B. Anders, D.L Cox (The Ohio State University), Mark Jarrell (University of Cincinnati)

08:36 A14.04 Dynamics of disordered heavy Fermion systems

Amit Chattopadhyay, Mark Jarrell (University of Cincinnati, Cincinnati OH 45221)

08:48 A14.05 Localization effects in disordered Kondo systems

E. Miranda, V. Dobrosavljevi\'c (NHMFL/Florida State University), G. Kotliar (Rutgers University)

09:00 A14.06 Interaction between magnetic impurities having different Kondo temperatures

Kevin Ingersent (U. Florida and NHMFL)

09:12 A14.07 Magnetic impurity in a correlated host

Avraham Schiller (Dept. Physics, Ohio State Univ.), Kevin Ingersent (Dept. Physics, Univ. of Florida)

09:24 A14.08 Theory of Induced Antiferromagnetism and Charge-Density Waves in Staggered Superconductors

V. Martisovits, D.L. Cox (The Ohio State University)

09:36 A14.09 Quasiparticle effective mass in the superconducting phase of heavy-fermion systems

S. Koh (UIUC)

09:48 A14.10 Josephson Tunneling between Unconventional Heavy Fermion Superconductors

Sungkit Yip, Yuanshan Sun, J. A. Sauls (Northwestern University)

10:00 A14.11 Non-Fermi Liquid Behavior near Quantum Normal-to-Superconducting Transition

Revaz Ramazashvili, Piers Coleman (Rutgers University)

A14.12 Pairing at U-impurities in Conventional Superconductors

Ivar Martin, Philip Phillips (Dept. of Physics, University of Illinois, Urbana, IL. 61801)

A14.13 On two channel flavor anisotropic and one channel compactified Kondo models

Jinwu Ye (Physics Laboratories, Harvard University, Cambridge, MA, 02138 and \ Department of Physics and Astronomy, Johns Hopkins University, Baltimore, MD, 21218.)

A14.14 Theory of Neutron Diffraction from the Vortex Lattice of UPt_3

Robert Joynt (UNIVERSITY OF WISCONSIN-MADISON)

08:00 A15.01 2d Coulomb Lattice Gas

Yuqing Xiao, M. F. Thorpe (Michigan State University)

08:12 A15.02 Raman and Neutron Scattering Studies of Alkali-Metal Intercalated Layered Silicates

N. Wada, Y. Omura, H. Okui (Toyo Uni.), W.A. Kamitakahara (NIST Gaithersburg)

08:24 A15.03 Bi-layer Perovskites and the Anharmonic Lennard- Jones Layer Rigidity Model

D.R. Hines, S.A. Solin (NEC Research Inst.), A.J. Jacobson (U. of Houston), S.D. Mahanti (Michigan State U.)

08:36 A15.04 Electron Energy Loss Spectra of Nonlocal Conducting Superlattices

Raul Alfonso Vazquez-Nava (UAEM), Gregorio Hernandez Cocoletzi (IFUAP), del castillo-mussot (IFUNAM), Mochan (Lab. Cuernavaca IFUNAM)

08:48 A15.05 Acoustic tunneling times for 1-D phononic band gap structures

R. Esquivel-Sirvent, J.L Mateos, G. Monsivais (Instituto de Fisica, UNAM, Apdo. Postal 20-364, Mexico D.F. 01000, MEXICO.)

09:00 A15.06 First-principles study of Se-intercalated graphite

J.O. Sofo (Instituto Balseiro and Centro Atómico Bariloche, Argentina), M. Bartkowiak, G.D. Mahan (University of Tennessee and Oak Ridge National Laboratory)

09:12 A15.07 Effect of electron doping on the magnetic properties of Sr_2Cu_3O_4Cl_2

Beth Parks, S. Mertsching, R. J. Birgeneau, M. A. Kastner (Center for Materials Science and Engineering, Massachusetts Institute of Technology)

09:24 A15.08 Periodic enhancement of the electron-electron interactions and the magnetoresistance in magnetic Co/(Cr/Ag)/Co multilayers

Y. Bruynseraede, F.G. Aliev, E. Kunnen, K. Temst, G. Verbanck, V.V Moshchalkov (Laboratorium voor Vaste-Stoffysica en Magnetisme, Katholieke Universiteit Leuven, Leuven, Belgium)

09:36 A15.09 Extraordinary Hall effect in Co/Pt Superlattices

Chadwick Canedy, X.W. Li, Gang Xiao (Brown University)

09:48 A15.10 Energetics of Ti/Al Multilayers

Mark Asta, Andrew A. Quong (Sandia National Laboratories, Livermore, CA 94551-0969), Rajarshi Banerjee, Hamish L. Fraser (The Ohio State University, Columbus, OH 43210)

10:00 A15.11 Model Hamiltonian for the conductivity oscillations of magnetic multilayers,

Mariana Weissmann, Ana Maria Llois (Comisión Nacional de Energía Ató\-mica, Argentina), Miguel Kiwi, Ricardo Ramirez (Facultad de Física, Universidad Católica de Chile)

10:12 A15.12 Quantum-Well or Bulk-like Behavior of Cu Layers on Co

E. D. Hansen, T. Miller, T.-C. Chiang (University of Illinois at Urbana-Champaign)

10:24 A15.13 Magnetic Configurations in a Ferromagnet with Spin-Plarized Currents

Y.B. Bazaliy (Stanford University, Department of Physics), B.A. Jones (IBM, Almaden Research Center), S.C. Zhang (Stanford University, Department of Physics)

08:50 A16.01 Direct imaging of structure and dynamics in a colloidal dusty plasmas

John Goree (The University of Iowa)

09:02 A16.02 Sedimentation of Colloidal Particles through a Polymer Solution

Penger Tong, Xi Ye, Bruce J. Ackerson (Oklahoma State University)

09:14 A16.03 A Computer Simulation for Colloidal Aggregation with Sedimentation

Agustín E. González (Instituto de Física, UNAM, PO Box 20-364 México 01000 D. F.), Francois Leyvraz (Instituto de Física, UNAM, Laboratorio de Cuernavaca, México)

09:26 A16.04 Particle motion in gas-fluidized beds of sand

Narayanan Menon, D.J. Durian (UCLA Dept. of Physics)

09:38 A16.05 A Binary Colloidal Fluid-Glass Transition Near a Wall: Static Structure

Jane E. Cerise, Simon C. Moss (Dept of Physics, University of Houston, Houston, TX), Cherry A. Murray (Bell Labs, Lucent Technologies, Murray Hill, NJ)

09:50 A16.06 The Dynamical Fluid-Glass Phase Transition in a Bidisperse Colloidal Suspension

Cherry A. Murray (Bell Labs, Lucent Technologies, Murray Hill, NJ), Jane E. Cerise, Simon C. Moss (Dept of Physics, University of Houston, Houston, TX)

10:02 A16.07 Static Structure Factor Scaling in Dense Aggregating Systems

H. Huang, C. Oh, C.M. Sorensen (Kansas State University)

10:14 A16.08 Kinetics of Size Segregation in Quasi-Two-Dimensional Nearly-Hard-Sphere Mixtures

Erik K. Hobbie (NIST, Gaithersburg MD)

10:26 A16.09 Depletion Interactions among Hard Spheres inside Vesicles

A. D. Dinsmore, D. T. Wong, A. G. Yodh (Dept. of Physics and Astronomy, Univ. of Pennsylvania, Philadelphia, PA)

10:38 A16.10 Measuring Depletion Interactions between Isolated Pairs of Hard-Sphere Colloidal Particles

J. C. Crocker, A. D. Dinsmore, D. Weitz, A. G. Yodh (Dept. of Phys. and Astron., Univ. of Pennsylvania, Philadelphia, PA)

10:50 A16.11 Entropic Forces in Binary Hard Sphere Mixtures.

V. Simonian, R. Dickman (Lehman College of New York), P. Attard (University of Sydney,Australia)

11:02 A16.12 Measurments of Colloidal forces in Anisotropic Fluids

T.M. Martin, P. Poulin, D.A. Weitz (Dept. of Physics and Astronomy, University of Pennsylvania, Philadelphia PA), V. Cabuile (Laboratoire de Physicochimie Inorganique, Univ. Pierre et Marie Curie, Paris, France)

A16.13 Dynamical Simulation of a Possible Hexatic Phase in a 2D Colloidal System with 1/r^3 Interactions

Surajit Sen (State Univ. of New York, Buffalo, NY 14260), Tahir Cagin (MPSC, Calif. Inst. of Tech., Pasadena, CA 91125)

08:00 A17.01 Vibrational Dynamics and Thermodynamics Properties of Cu_3Au(100)

Talat S. Rahman, Abdelkader Kara (Kansas State University)

08:12 A17.02 Surface thermodynamic properties of vicinal surfaces of fcc crystals

Sondan Durukanoglu, Abdelkader Kara, Talat S. Rahman (Kansas State University)

08:24 A17.03 Approximate Dependence of Diffusion Barriers on Nearest-Neighbor Configurations on fcc(100) Metals, and Some Consequences

T.L. Einstein (U. of Maryland, College Park, MD 20742 [hereafter it UMCP]), J. Jacobsen (Cornell U., Ithaca, NY 14853), C. Schiff (UMCP)

08:36 A17.04 Simulations of Growth on Cu(100) Using Improved Algorithm

C. Schiff (U. of Maryland, College Park, MD 20742 [hereafter it UMCP]), J.G. Amar (Emory U., Atlanta, GA 30322), T.L. Einstein (UMCP), I. Beichl (NIST, Gaithersburg, MD 20899), F. Sullivan (CCS, Bowie, MD 20715)

08:48 A17.05 Interaction of Rydberg atoms with a metal surface in the presence of an external electric field

Peter Nordlander, F.B. Dunning (Rice University, Department of Physics)

09:00 A17.06 Energy and Intensity of thin film modes: K on Al(111)

Bong-Ok Kim, E. Ward Plummer (The University of Tennessee and Oak Ridge National Laboratory)

09:12 A17.07 Theory of Catalytic Oxidation of CO at Ru\,(0001): High O Coverages

C. Stampfl (Xerox Palo Alto Research Center), M. Scheffler (Fritz-Haber-Institut)

09:24 A17.08 Density Functional Theory Calculations of He and Ne Scattering Potentials

M. Petersen, P. Ruggerone, M. Scheffler (Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4--6, D-14\,195 Berlin)

09:36 A17.09 Anisotropic two-dimensional Friedel oscillations

Ph. Hofmann, B.G. Briner, M. Doering, H.-P. Rust, E.W. Plummer, A.M. Bradshaw (^1Univ. of Tennessee and Oak Ridge National Laboratory, ^2Fritz-Haber-Institut der Max-Planck-Gesellschaft)

A17.10 Friedel Oscillations on Metal Surfaces Induced by Bulk State Electrons

Woei Wu Pai, J. F Wendelken, Jiandi Zhang, E. W Plummer (^*Oak Ridge National Laboratory, Oak Ridge, TN 37831, ^@Univ. of Tennessee, TN 37923)

08:00 A18.01 Phonon Raman Scattering in SrBi_2M_2O_9 (M=Ta,Nb)

Ran Liu, Nigel Cave, Mike Kottke, Peir Chu (Materials Research amp; Strategic Technologies, Motorola)

08:12 A18.02 High Resolution Raman spectroscopy of GaAs, AlAs, and GaAs-AlAs superlattices

C.D. Poweleit, M. Canonico, M. Lopez, M.A. Knox, J. Menéndez (Arizona State University)

08:24 A18.03 Raman Scattering Studies in Laser-Deposited CdSxTe(1-x)

G. Contreras-Puente, F.L. Castillo-Alvarado, J. Avendano-Lopez (ESFM-IPN,Mexico D.F. 07738,Mexico), A. Fischer, Z. Feng, E. Bykov, A. Compaan (The University of Toledo, Toledo, OH 43606,USA)

08:36 A18.04 Structural Characterization of Thermally Reduced Stabilized Cubic Zirconia

G. Morell (Dept. of Physical Sciences, University of Puerto Rico, College of General Studies, Box 23323, San Juan, PR 00931), R.S. Katiyar (Dept. of Physic, University of Puerto Rico, Box 23343, San Juan, PR 00931), D. Torres, S.E. Paje, J. LLopis (Dpto. de Materiales F.C.C. Fisicas, Universidad Complutense de Madrid, 28040 Madrid, Spain)

08:48 A18.05 Two-Phonon Raman and Infrared Spectra of Isotopically Controlled Diamond

A. D. Alvarenga, R. Vogelgesang, H. Kim, A. K. Ramdas, S. Rodriguez (Purdue U.), M. Grimsditch (ANL), T. R. Anthony (GE)

09:00 A18.06 Brillouin and Raman Scattering in Natural and Isotopically Controlled Diamond

R. Vogelgesang, A. K. Ramdas, S. Rodriguez (Purdue U.), M. Grimsditch (ANL), T. R. Anthony (GE)

09:12 A18.07 Second-order Raman spectrum of AlSb from ab initio phonon calculations and evidence for overbending in the LO phonon branch.

Pasquale Pavone (Institut für Theoreti\-sche Physik, Universität Regensburg, D-93040 Regensburg, Germany), Wolfgang Windl (Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM 87545), Dieter Strauch (Institut für Theoretische Physik, Universität Regensburg, D-93040 Regensburg, Germany)

09:24 A18.08 Phonons in CdSe/ZnTe Strained Superlattices

Heather Dowd, Shang-Fen Ren (Illinois State University), Zhi-Zhong Xu (Fudan University, PRC), Zong-Quan Gu (Semiconductor Institute, PRC)

09:36 A18.09 Frequency dependence of nonquilibrium phonon relaxation in LaF_3:Pr^3+

Ho-Soon Yang, R. S. Meltzer, W. M. Dennis (Physics and Astronomy, University of Georgia, Athens, GA 30602), Sean M. Kirkpatrick (CODE 5640, Laser Physics Branch, Naval Research Laboratory, Washington D.C. 20375-5320)

09:48 A18.10 Coherent Phonon Avalanches in an Acoustical Cavity.

P. A. van Walree, A. F. M. Arts, H. W. de Wijn (Faculty of Physics and Astronomy, and Debye Research Institute, Utrecht University, Utrecht, The Netherlands)

10:00 A18.11 Phonon Optics with Fraunhofer-Diffracted Phonon Beams.

D.J. Dieleman, H.K. Nienhuys, A.F.M. Arts, H.W. de Wijn (Faculty of Physics and Astronomy, and Debye Research Institute, Utrecht University, Utrecht, The Netherlands)

A18.12 Long-Range E-V Energy Transfer between F centers and OH^-/OD^- Ions

V. Dierolf (Univ. Paderborn), E. Gustin, D. Schoemaker (Univ. of Antwerp), F. Luty (Univ. of Utah)

A18.13 The A_1g Singlet Mode in the Raman Spectra of Complex Perovskites as a Probe of Tiny Changes in the Structure

I.G. Siny, R.S. Katiyar (University of Puerto Rico)

08:00 A19.01 Charge, Orbital and Magnetic Ordering in La0.5CA0.5MnO3

P.G. Radaelli (Institut Laue-Langevin)

08:36 A19.02 Tuning the Hamiltonian of the Haldane Spin System by External Pressure: Neutron Scattering Study in NENP.

Igor A. Zaliznyak, Collin L. Broholm (Johns Hopkins University / NIST), Daniel Dender, Daniel H. Reich (Johns Hopkins University)

08:48 A19.03 Neutron Scattering Study of the Linear S=1/2 HAFM, Copper Benzoate in a Magnetic Field

D.C. Dender, P.R. Hammar, C. Broholm, D.H. Reich (The Johns Hopkins University), G. Aeppli (NEC)

09:00 A19.04 Heat Capacity Study of the Field-Induced Gap in the Linear, S=1/2, Antiferromagnetic Heisenberg Spin Chain Copper Benzoate

P. R. Hammar, D. C. Dender, C. Broholm, D. H. Reich (The Johns Hopkins University)

09:12 A19.05 Spin-Peierls and ~Antiferromagnetic Phases in Cu_1-xZn_xGeO_3: A Neutron Scattering Study

Michael C. Martin, M. Hase, K. Hirota, G. Shirane (Department of Physics, Brookhaven National Laboratory), K. Sasago, N. Koide, K. Uchinokura (Department of Applied Physics, University of Tokyo)

09:24 A19.06 Neutron Scattering Studies of the Geometrically-Frustrated Pyrochlore Antiferromagnets Y_2Mo_2O_7 and Tb_2Ti_2O_7

J.S. Gardner, M.D. Lumsden, B.D. Gaulin, N.P. Raju, J.E. Greedan (McMaster U.), S. Dunsiger, R.F. Kiefl (U.B.C.), Z. Tun, I. Swainson (AECL)

09:36 A19.07 Magnetic structures of single-crystalline Mott Insulator = YVO_3

H. Nakotte, D. Argyriou, R. Sheldon, R.A. Robinson (MLNSC, Los Alamos National Laboratory), H. Kawanaka, H. Ota (Electrotechnical Laboratory, Tsukuba, Japan)

09:48 A19.08 Ni-chain gap excitations in (Nd_xY_1-x)_2BaNiO_5: study of 1-D to 3-D crossover

A. Zheludev (BNL), T. Yokoo, M. Nakamura, J. Akimitsu (Aoyama-Gakuin University, Tokyo, Japan)

10:00 A19.09 Neutron Diffraction Study of the Structural Change of Ho2Fe17-xAlxCy (x=1-4, y=0,1) Alloys

W. B. Yelon, H. Luo, M. Chen, Z. Hu (University of Missouri-Columbia), W. C. Chang, S. H. Tsai (National Chung Cheng University, Taiwan, ROC)

A19.10 Spiral magnetic structure, spin waves and a new type of incommensurate-to-commensurate phase transition in Ba_2CuGe_2O_7.

A. Zheludev, G. Shirane, S. Maslov (BNL), Y. Sasago, N. Koide, K. Uchinokura (The University of Tokyo, Japan)

A19.11 Magnetic Dynamics of FeGe_2

C.P. Adams, T.E. Mason, S.A.M. Mentink, E. Fawcett (University of Toronto), A.Z. Menshikov (Institute for Metal Physics, Ekaterinburg, Russia), C.D. Frost, B. Forsyth, T.G. Perring (ISIS Facility, Rutherford Appleton Laboratory, United Kingdom), T.M. Holden (AECL, Chalk River Laboratories, Canada)

08:00 A20.01 Weak Localization in Quasi-Ballistic Lithium Films

Eric Black, John C. Price (University of Colorado, Boulder)

08:12 A20.02 Evolution of Electronic States During the Transition from the Insulating to Metallic State in Ultra-Thin Pb Films

Myron Strongin, DiJing Huang, Gideon Reisfeld (Physics Department, Brookhaven National Laboratory)

08:24 A20.03 Duality at a B=0 metal-insulator transition in 2D.

S.V. Kravchenko, D. Simonian, M. P. Sarachik (City College of the City University of New York, New York, NY 10031)

08:36 A20.04 Effect of a parallel magnetic field on the 2D metal-insulator transition in silicon MOSFET's.

D. Simonian, S. V. Kravchenko, M. P. Sarachik (City College of the City University of New York, New York, NY 10031)

08:48 A20.05 Current Carrying States in a Random Magnetic Field in Two Dimensions

Kun Yang, R. N. Bhatt (Princeton University)

09:00 A20.06 Level statistics and mobility edge in a 2d quantumpercolation problem

M. Letz (Queen's University, Physics Department, Kingston, Ontario, K7L 3N6 Canada), K. Ziegler (MPI-PKS, Außenstelle Stuttgart, 70506 Stuttgart, Germany)

09:12 A20.07 Crossover from weak to strong localization in quasi-1D = conductors.

M. E. Gershenson, Y. B. Khavin (Rutgers University), A. G. Mikhalchuk, H. M. Bozler (University of Southern California), A. L. Bogdanov (Swedish Nanometer Lab, Chalmers)

09:24 A20.08 Open issues with the Kosterlitz-Thouless-Berezinskii transition in the presence of disorder

Christopher Mudry, Xiao-Gang Wen (MIT)

09:36 A20.09 Magnetic Field Induced Metal Insulator Transition in Coupled Double Quantum Wells

Xincheng Xie (Oklahoma State University), Dongzi Liu (University of California at San Diego)

08:00 A21.01 Elastic Shapes of DNA

Boris Fain (), Joseph Rudnick (Department of Physics, UCLA, Los Angeles, California, 90095-1547)

08:12 A21.02 Direct Determination of DNA Twist-Stretch Coupling

Philip Nelson, Randall Kamien, Tom Lubensky, Corey O'Hern (Physics and Astronomy, University of Pennsylvania)

08:24 A21.03 Two-dimensional condensation of DNA and related structural characteristics

Jie Yang (Physics Department, University of Vermont, Cook Building, Burlington, VT 05405)

08:36 A21.04 Hydration Dependent Conformations of Cholesterol-bound Oligodeoxyribonulcleotides

K. K. Reeves, S. Mansoor, J. W. Powell (Reed College), K. Tivel, M. Manoharan, V. Mohan (Isis Pharmaceuticals)

08:48 A21.05 Parallel Overlap Assembly for the Construction of Computational DNA Libraries

Qi Ouyang, P.D. Kaplan (NEC Research Institute), D.S. Thaler (Rockefeller University), A. Libchaber (NEC and Rockefeller)

09:00 A21.06 The Entropic Collapse of an Extended Polymer: A Tale of Two Tails

Ogica Bakajin (Princeton University), Thomas Duke (University of Cambridge), Robert Austin (Princeton University)

09:12 A21.07 A comparison of vibrational spectra and calculations for dimethyl phosphorothioate

C.A. Steinke, K.K. Reeves, J.W. Powell (Reed College), S.A. Lee, Y.Z. Chen (University of Toledo), T. Wyrzykiewicz, R.H. Griffey, V. Mohan (Isis Pharmaceuticals)

09:24 A21.08 Optical Microrheology of Concentrated Linear DNA

T.G. Mason, S. Kuo, D. Wirtz (Johns Hopkins University)

09:36 A21.09 Binding effects of [(bipy)Pt(en)]^2+ on DNA as revealed by isothermal titrational calorimetry and infrared spectroscopy

A. Szabo, R.A. Flowers, S.A. Lee (University of Toledo)

09:48 A21.10 Infrared and swelling study of the hydration-induced phase transition of wet-spun hyaluronate films

A.D. Hoppe (Univ. of Toledo), R.L. Marlowe (Univ. of Tenn. at Chat.), S.A. Lee (Univ. of Toledo), J.W. Powell (Reed College), A. Rupprecht (Univ. of Stockholm)

08:00 A22.01 Development of In-Fiber, Reflective Bragg Gratings as Shear Stress Monitors

J.J. Singh, D.R. Sprinkle (NASA Langley Research Center, Hampton, Va), D.S. Parmar, A.C. Smith (Department of Electrical Engineering, Hampton University, Hampton, Va)

08:12 A22.02 Refractive index change in Ge-doped silica waveguide after high energy ion implantation and UV irradiation.

Mourad Essid (Groupe de recherche en physique et technologie des couches minces, physics department, University of Montreal), John L. Brebner, Jacques Albert (Communication Research Center, P.O. Box 11490, Station H, Ottawa, K2H 8S2)

08:24 A22.03 Radiation-Induced Paramagnetic Defects in Amorphous Silica: Temperature Dependence and Response to Photobleaching.

D. E. Thomas, M. S. Jahan (The Univ. of Memphis), D. W. Cooke (LANL.)

08:36 A22.04 Second-Order Nonlinearities in Glass and Fibers

W. Margulis (Fysik II)

09:12 A22.05 Towards Practical Second-harmonic Generation in Optical Glass Fibres

Peter G. Kazansky (Optoelectronics Research Centre, University of Southampton), Optoelectronics Research Centre University of Southampton Collaboration, Valerio Pruneri

09:24 A22.06 Thermal poling and space charge dynamics with surface hydrogen injection in fused silica

T.G. Alley, S.R.J. Brueck (University of New Mexico, Center for High Technology Materials, Albuquerque, NM 87131 Tel: (505) 277-3317)

09:36 A22.07 NSOM Measurements of the Intensity Distribution in a Y-junction Channel Waveguide Structure

S. M. Lindsay, J. Kim, D. H. Naghski, J. T. Boyd, H. E. Jackson (University of Cincinnati)

09:48 A22.08 Fiber Bragg Gradings and their Applications

J.E. Sipe (University of Toronto)

08:00 A23.01 Pressure-Induced Magnetic-Nonmagnetic Transition of Solid Molecular Oxigen

Stefano Serra, Guido Chiarotti, Carlo Cavazzoni (SISSA, Trieste, Italy and INFM, Italy), Sandro Scandolo, Erio Tosatti (SISSA, Trieste, Italy. ICTP, Trieste, Italy and INFM, Italy)

08:12 A23.02 Theory of the Broken Symmetry Phase of Solid Hydrogen

Jorge J. Kohanoff, Sandro Scandolo (ICTP, Trieste, Italy), Guido L. Chiarotti (SISSA, Trieste, Italy), Erio Tosatti (SISSA and ICTP, Trieste, Italy)

08:24 A23.03 Polymorphs of Alumina Predicted by First Principles: Putting Pressure on the Ruby Pressure Scale.

Kendall T. Thomson, Renata M. Wentzcovitch (University of Minnesota), Mark S. T. Bukowinski (University of California, Berkeley)

08:36 A23.04 Pressure-Induced Phase Transitions in the Spin-Peierls Compound CuGeO_3

A. Jayaraman, S. K. Sharma, S. Y. Wang (University of Hawaii, Hawaii Institute of Geophysics and Planetolog), C. -W. Cheong (Lucent Technologies, Bell Labs. Innovations, Murray Hill, NJ)

08:48 A23.05 Pressure Induced Magnetic Transformation In FePO_4~^\ast

G.Kh. Rozenberg, M.P. Pasternak, A.P. Milner (Tel Aviv Univ., Israel), R.D. Taylor (Los Alamos Nat. Lab.), K.E. Brister (CHESS, Cornell Univ.)

09:00 A23.06 High-Pressure Metallization of the Negative-\Delta Sr_2FeO_4 Compound^\ast

M.P. Pasternak, M. Amanowicz, A.P. Milner, G.Kh. Rozenberg (Tel\,Aviv\,Univ.,\,Israel), R.D. Taylor (Los\,Alamos\,Nat.\,Lab.), K.E. Brister (CHESS,\,Cornell\,Univ.)

09:12 A23.07 Quasi-Hydrostatic Pressure Dependence of T_c in HgBa_2Ca_3Cu_4O_10+\delta and HgBa_2Ca_4Cu_5O_12+\delta

X. D. Qiu, L. Gao, Q. M. Lin, Y. Y. Xue, C. W. Chu (Department of Physics and Texas Center for Superconductivity at the University of Houston, Houston TX 77204-5932)

09:24 A23.08 Pressure-induced modifications in the electronic and vibrational properties of methylene iodide

D.A. Pinnick, S.A. Lee (University of Toledo), A. Anderson (University of Waterloo)

09:36 A23.09 Ab Initio Determination Of The High Pressure Phases Of AgCl and AgBr

Guilherme Nunes (SUNY at Stony Brook), José Luís Martins (INESC, Lisboa, Portugal)

09:48 A23.10 Ab initio study of the martensic bcc-hcp transformation in Fe

K. Einarsdotter, M. Ekman, B. Sadigh, G. Grimvall (Theoretical Physics, Royal Institute of Technology, Stockholm, Sweden)

10:00 A23.11 High-Pressure Low-Temperature Phase Diagram of Methane.

M. S. Somayazulu, A.F. Goncharov, R.J. Hemley, H.K. Mao (Geophysical Laboratory and Center for High-Pressure Research, Carnegie Institution of Washington)

10:12 A23.12 Critical dissolution phenomena in MgSiO_3-perovskite at 30 GPa, 2000

K.O. Tschauner, R. Boehler, A. Zerr, S. Specht (Max-Planck Institut fur Chemie, Mainz, Germany)

10:24 A23.13 Pressure Induced Insulating Phase in CuIr_2(S,Se)_4

J. Tang (National Research Institute for Metals), T. Furubayashi, Y. Kosaka (Fac. of Eng., Tsukuba Unvi.), S. Nagata, Y. Kato (Muroran Institute of Technology), T. Matsumoto (National Research Institute for Metals)

A23.14 Phonon Softening and Elastic Instabilities in the Cubic-to-Orthorhombic Structural Transition of CsH

Antonino Marco Saitta, Dario Alfè, Stefano de Gironcoli (SISSA and INFM, Trieste, Italy), Stefano Baroni (SISSA--INFM, Trieste, Italy, and CECAM, Lyon, France)

A23.15 First principles investigation of the Rutile-CaCl_2 Phase transition in RuO_2.

Ruqian Wu, Lujun Chen (California State U., Northridge)

08:00 A24.01 Polaronic transport in Polymer Light-Emitting Diodes

Marie Noelle Bussac (Ecole Polytechnique)

08:36 A24.02 Audio Frequency AC Conduction in Sulfonated Polyanilines.

W. P. Lee, K. R. Brenneman, A. J. Epstein (The Ohio State University), S. Shimizu, T. Saitoh, M. Uzawa (Nitto Chemical Industry Co. Ltd., Japan)

08:48 A24.03 Theory of photoinduced charge transfer in two coupled donor-acceptor conjugated polymers

M.W. Wu, E.M. Conwell (Center for Photoinduced Charge Transfer, Chemistry Department, University of Rochester, Rochester, New York 14627)

09:00 A24.04 Contact Injection into Polymer Light-Emitting Diodes

E.M. Conwell, M.W. Wu (Center for Photoinduced Charge Transfer, Chemistry Department, University of Rochester, Rochester, New York 14627)

09:12 A24.05 Transport in \alpha-Sexithiophene Films

M.W. Wu, E.M. Conwell (Center for Photoinduced Charge Transfer, Chemistry Department, University of Rochester, Rochester, New York 14627)

09:24 A24.06 Spin and spectral signatures of polaron pairs in conducting polymers

Paul Lane, Zev Vardeny (University of Utah), Xing Wei (Los Alamos National Laboratory)

09:36 A24.07 Polarizability measurements of the 1B_u exciton in disordered \pi-conjugated polymers using electroabsorption spectroscopy

Martin Liess, Z.V. Vardeny (University of Utah)

09:48 A24.08 Using Molecular Data to Parametrize Models of Exciton Binding in Conjugated Polymers

David Yaron, Eric Moore (Department of Chemistry, Carnegie Mellon University)

10:00 A24.09 Total Energy Calculations of Poly-Para-Phenylene: LDA and Tight-Binding

V.E. Van Doren, M. Miao, P.E. Van Camp (University of Antwerpen (RUCA), Dept. of Physics, Groenenborgerlaan 171, B-2020 Antwerpen, Belgium), G. Straub (Los Alamos National Laboratory, Los Alamos NM 87545, USA)

10:12 A24.10 Understanding the Origin of the Negative Off-Resonant n_2 of PTS

R. Quintero-Torres, M. Thakur (Auburn University, Al 36839)

10:24 A24.11 Photoluminescence of a Novel Conjugated Polymer

M. Narsimhan, Z. Han, M. Thakur (Auburn University), R.M. Metzger, M.P. Cava (The University of Alabama, Tuscaloosa)

10:36 A24.12 Electrical Conductivity of Polyaniline Embedded with Gold Particles

P.K. Kahol, A.J. Dyakonov, B.J. McCormick (Wichita State University)

10:48 A24.13 Resonant Optical Nonlinearity of Conjugated Conducting Polymers

Ming-Che Chang (National Tsing Hua University, Hsinchu, Taiwan), Hsin-Fei Meng (National Chiao Tung University, Hsinchu, Taiwan)

A24.14 Mott-Peierls Insulator-Metal Transition in Polyacetylene

Eric Jeckelmann (University of California, Irvine)

08:00 A25.01 Low-Energy Ion and Hyperthermal Neutral Beams for Semiconductor and Metal Film Growth: Effects on Nucleation, Microstructure Evolution, Epitaxial Thickness, Roughening, and Strain Relaxation

Joe Greene (Materials Science Department, Univ. of Illinois, Urbana, IL 61801, USA.)

08:36 A25.02 A new model for the formation of laser induced fluorescent plumes from wide bandgap materials at low fluences

J. T. Dickinson, D. R. Ermer, S. C. Langford (Washington State University)

08:48 A25.03 Effect of Gas Pressure on Epitaxial ZnSe Film Growth

Y. Ryu, S. Zhu, S. Han, H.W. White, Paul Miceli, H.R. Chandrasekhar (Dept. of Physics and Astronomy, University of MO, Columbia, MO 65211)

09:00 A25.04 Crystallographic Texture in Films Using Ion Beams

Michael Cima (Ceramics Processing Research Laboratory, Massachusetts Institute of Technology, Cambridge, MA, 02139)

09:36 A25.05 Effect of Energetic Ions on Cerium Oxide Films Deposited by Pulsed-Laser Deposition

David Norton, Chan Park, John Budai (Oak Ridge National Laboratory)

09:48 A25.06 Homoepitaxial Growth of Silicon by DC-Discharge Plasma = Enhanced Chemical Vapour Deposition

Eli Mateeva (Swiss Federal Institute of Technology, CH-8093 = Zurich, Switzerland)

10:00 A25.07 Solid-on-Solid Simulation of Film Growth: Comparison of Pulsed Laser Deposition and Molecular Beam Epitaxy

M.E. Taylor, Harry A. Atwater (California Institute of Technology, Pasadena, CA)

A25.08 DSMC Simulations of Pulsed Effusion into Vacuum and Ambient Gas Backgrounds

D. L. Capewell, D. G. Goodwin (California Institute of Technology)

08:00 A27.01 Transient Multi-Component Nucleation

David T. Wu (Yale University)

08:36 A27.02 Analytical description of time-dependent nucleation and crystallization kinetics

Vitaly A. Shneidman (University of Arizona)

08:48 A27.03 Entropy of Mixing and Binary Nucleation Kinetics

Gerald Wilemski (Lawrence Livermore National Laboratory, Livermore CA 94551-9900)

09:00 A27.04 Nucleation Rate and Morphology of Crystals Made of Hard Spheres

Bruce J. Ackerson, Yueming He, Keith A. Davis (Oklahoma State University)

09:12 A27.05 Nucleation and Crystal Growth Studies in Colloidal Systems

Thomas Palberg (Johannes-Gutenberg-Universitat)

09:48 A27.06 Normal Alkane Nucleation

J.J. Wang, H.E. King Jr., E.B. Sirota, H.H. Shao, H. Gang (Exxon Res. and Eng. Co.)

10:00 A27.07 Wax Crystallization and Additive-Wax Interactions in Lubricants

M Varma-Nair (Exxon Res. and Eng. Co.), T. J. Pacansky, D. J. Martella (Exxon Chem. Co.)

10:12 A27.08 Pressure and Temperature Dependence of Nucleation in O-terphenyl

H.E. King Jr. (Exxon Res. and Eng. Co.), K. Schug (U. Mainz), J.J. Wang (Exxon Res. and Eng. Co.)

08:00 A28.01 Effects of Noise and Disorder on the Dynamics of Nonlinear Oscillator Chains

H.G.E. Hentschel, F. Family, Y. Braiman (Emory University)

08:12 A28.02 A Multi-chain Frenkel-Kontorova Model for Interfacial Slip

J.E. Hammerberg, J. Röder, A. Bishop, B.L. Holian (Los Alamos National Laboratory)

08:24 A28.03 Molecular Dynamics Simulation of Lubricated Friction between Diamond Surfaces

Steven J. Stuart, Judith A. Harrison (U. S. Naval Academy, Department of Chemistry, Annapolis, MD)

08:36 A28.04 Theory of Friction and Dissipation in Very Small Solids: Effects of Coupling to the Outside World

J. B. Sokoloff (Northeastern University)

08:48 A28.05 Simulations of the the Phonon Contributions to Sliding Friction at Slow Sliding Speeds

S. Tomassone, J. B. Sokoloff, J. Krim, A. Widom (Northeastern University)

09:00 A28.06 Probe/Sample Interactions in Shear Force Microscopy

W.S. Fann, P.K. Wei (Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, Taiwan)

09:12 A28.07 Atomic-Scale Simulations of Nanoindentation and Friction in Ceramics

D. J. Keffer, J. W. Mintmire (Naval Research Laboratory)

09:24 A28.08 Effect of atomic scale energy dissipation on AFM

Masaru Tsukada, Naruo Sasaki (University of Tokyo)

09:36 A28.09 The "Triboscope": Design and Proposed Experiments in Nanotribology

J.A. Heimberg (FOM--Institute of Atomic and Molecular Physics), H.J. Hug (University of Basel), T. Zijlstra (), E.W.J.M. van der Drift (DIMES, Delft University of Technology), J.W.M. Frenken (Leiden University, Kamerlingh Onnes Laboratory and FOM-- Institute of Atomic and Molecular Physics)

09:48 A28.10 Atomic-Scale Friction Measurements at Realistic Sliding Speeds

A.P. Connell, J. Krim (Northeastern University)

08:00 A29.01 Probing the Fundamentals of the Melt Crystallization \ Mechanism of Polyethylene Melts and their Homogeneous Blends

R.S Stein (University of Massachusetts, Amherst)

08:36 A29.02 Molecular Mechanism for Structural Changes of Poly(vinylidene Fluoride) Induced by Electric Field

Yasuhiro Takahashi (Department of Macromolecular Science, Graduate School of Science, Osaka University)

08:48 A29.03 Role of Morphology on Semiconducting Properties of Thin-Film-Transistor Polymeric and Organic Materials

A.J. Lovinger, Z. Bao, A. Dodabalapur, H.E. Katz, J.G. Laquindanum (Bell Laboratories, Lucent Technologies)

09:00 A29.04 Crystal Structures and Morphology of Poly(ethylene naphthalate) Single Crystals

P. H. Geil, J. Liu, J. A. Myers (Univ. of Illinois), J. C. Kim, M. Cakmak (Univ. of Akron)

09:12 A29.05 Morphology and Melting Behavior of Polypropylenes

R.G. Alamo (Florida Agricultural and Mechanical University and Florida State University College of Engineering), L. Mandelkern (Florida State University. Department of Chemistry. Tallahassee, Florida)

09:24 A29.06 Environmental/Stress Degradation of Non-Oriented Nylon-6 Film

J.K. Burkholz, K.L. DeVries (University of Utah)

09:36 A29.07 Lateral Orientational Characterization of Kevlar Fibers with X-ray Linear Dichroism Microscopy

H. Ade, A. P. Smith, H. Garcia (NCSU), T. Warwick, S. Cerasari (ALS), B. Tonner (U. of W. Milwaukee)

09:48 A29.08 Morphology of molecular complexes of=20 poly(ethylene oxide) and disubstituted benzenic compounds.

M. Dosi=E8re (Universit=E9 de Mons-Hainaut, Laboratoire de Physicochimie=20 des Polym=E8res, place du Parc, 20, B - 7000 - Mons (Belgique))

10:00 A29.09 Dimensional Analysis of Lamellar Structure in Spherulitic Polymers

S. Rane, G. Beaucage (University of Cincinnati), M. Satkowski (Procter & Gamble), A. Prasad (Quantum Chemical), T. Rieker (University of New Mexico)

10:12 A29.10 New Aspects of Lamellar Structure in Semicrystalline Polymers as Revealed by Studies of Diffusion of Water and Ethylene Glycol in Nylons Using Small-Angle Neutron Scattering

N. Sanjeeva Murthy, M.K. Akkapeddi (AlliedSignal Inc.), William J. Orts (National Institute of Standards and Technology)

10:24 A29.11 Disappearance and Creation of Constrained Amorphous Phase

Peggy Cebe, Sharon X. Lu (Tufts University)

10:36 A29.12 Fibroin Conformation Selection at the Aqueous-Organic Interface

Regina Valluzzi (Polymer Science and Eng. Dept., University of Massachusetts, Amherst, MA), Samuel Gido

10:48 A29.13 Thermal Properties and Morphological Analyses of poly(ethylene terephthalate)[PET] Solid State Polymerized

F.J. Medellin-Rodriguez (), R. Lopez-Guillen (CIEP-FCQ-UASLP, Av. Dr. Manuel Nava 6 Zona Universitaria, San Luis Potosi, S.L.P., 78210, Mexico.)

08:36 A'30.01 Computer Simulations of Phase Equilibria in Confined Polymer Mixtures.

Michael Kotelyanskii, Sanat Kumar (Department of Materials Science and Engineering, Pennsylvania State University, University Park, PA.)

08:48 A'30.02 Control of Film Phase Separation Through Surface Patterning

Alamgir Karim (Nist, Gaithersburg, MD), Jack Douglas (NIST), John Rogers (Havard Univ.)

09:00 A'30.03 Confinement Effects on Phase Separation in Thin Polymer Blend Films

Kari Dalnoki-Veress, James A. Forrest, John R. Dutcher (Department of Physics and Guelph-Waterloo Program for Graduate Work in Physics, University of Guelph, Guelph, ON Canada N1G 2W1)

09:12 A'30.04 Phase Separation in Thin Polymer Blends

Ron Jones, Sanat Kumar (Pennsylvania State University), Robert Briber (University of Maryland), Alamgir Karim, Tania Slawecki (National Institutes of Standards and Technology), Thomas Russell (University of Massachusetts)

09:24 A'30.05 Surface-Induced Phase Segregation in Disordered Block Copolymers: Effect of a Tunable Surface Potential

Paul Mansky, T.P. Russell (Department of Polymer Science and Engineering, University of Massachussetts, Amherst, MA), Craig Hawker (IBM Almaden Research Center, San Jose, CA), Jimmy Mays (University of Alabama), Sushil Satija (National Institute of Standards and Technology, Gaithersburg, MD.)

09:36 A'30.06 Modification of Blend Film Pattern Formation with Block Copolymer Additives

L. Sung, S. K. Satija (Reactor Division), A. Karim, J. F. Douglas, C. C. Han (Polymers Division, NIST)

09:48 A'30.07 Topology Development in Strained Diblock Copolymer Thin Films

Nagraj Koneripalli, Rastislav Levicky (), Frank S. Bates (University of Minnesota)

10:00 A'30.08 Substrate-Induced Ordering of Diblock Copolymer Micelles

Michael Fasolka, A.M. Mayes (Department of Materials Science and Engineering, Massachusetts Institute of Technology), S.G.J. Mochrie (Department of Physics, Massachusetts Institute of Technology)

10:12 A'30.09 Quenched degrees of freedom in thin films of diblock copolymers

Wilfred H. Tang, Thomas A. Witten (James Franck Institute, University of Chicago)

10:24 A'30.10 Thin Diblock Copolymer Films on Chemically Heterogeneous Surfaces

Jakob Heier, Edward J. Kramer (Cornell University), Stefan Walheim, Georg Krausch (University of Konstanz, Germany)

10:36 A'30.11 Simulations of Polymer Blends and Interfaces

Gary S. Grest, Martin-D. Lacasse (% Corporate Research Science Laboratories, Exxon Research and Engineering Company, Annandale, NJ 08801)

10:48 A'30.12 Fluorocopolymer Deposition From Supercritical Fluids

S.E. Conway, C.F. Kirby, J.H. van Zanten, M.A. McHugh (Johns Hopkins University)

08:36 A'31.01 Nonequilibrium Fluctuations in Sedimentation Suspensions: A Dynamical Renormalization Group Theory

Alexander Levine (% Corporate Research Science Laboratories, Exxon Research and Engineering Co., Annandale, NJ 08801), Sriram Ramaswamy (Indian Institute of Science, Bangalore 560 012, India), Robijn Bruinsma (Department of Physics, University of California, Los Angeles CA 90095)

08:48 A'31.02 Many-body solvent influence functionals

Christopher Grayce (University of California at Irvine)

09:00 A'31.03 Polymer Solution Between Two Plates

Sergei Obukhov (University of Florida, Gainesville, FL 32611)

09:12 A'31.04 Effect of Compressibility on \theta state

Mukesh Chhajer, P.D. Gujrati (University of Akron, Akron OH)

09:24 A'31.05 Ethylene - Propylene Copolymer Aggre\-ga\-tion in Methyl\-cyclohexane

M. F. Islam, H. D. Ou-Yang (Lehigh University, PA), B. L. Papke (Texaco, NY), C. Glinka (NIST, MD)

09:36 A'31.06 Anomalous Nonlinear Rheology in Entangled Wormlike Micelle Solutions

E.F. Brown, W.R. Burghardt (Northwestern University)

09:48 A'31.07 A Raman Analysis of Conformational Distribution of Poly(ethylene oxide) and its Model Compound in the Liquid State

Xiaozhen Yang, Zhaohui Su, Dacheng Wu, Howard.D. Stidham, Shaw Ling Hsu (University of Massachusetts, Amherst)

10:00 A'31.08 Complex Phase Behavior in Aqueous Suspensions of Polymeric Surfactants

D. A. Hajduk, M. B. Kossuth, M. A. Hillmyer, F. S. Bates (Dept. of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN)

10:12 A'31.09 Counterion Condensation in Polyelectrolyte Solutions at Nonzero Concentrations

Rebecca M. Nyquist, Bae-Yeun Ha, Andrea J. Liu (UCLA)

10:24 A'31.10 Microscopic Theory of Transport Coefficient Anomalies in Entangled Polymer Solutions, Melts, and Gels.

Kenneth S. Schweizer (University of Illinois at Urbana-Champaign), Matthias Fuchs (Technische Universitat Munchen)

10:36 A'31.11 Polymer Solution Coarsening in Restricted Dimensions: Dependence on Distance from Criticality and Interfacial Tension

C.K. Haas, J.M. Torkelson (Northwestern University)

10:48 A'31.12 Mathematical Modeling of the Drying Mechanism of Semicrystalline Polymers

S. K. Mallapragada (Iowa State University)

09:12 A'4.01 Fluid Turbulence Theory: Present and Future

Robert H. Kraichnan (Los Alamos National Laboratory)