Program overview

WEDNESDAY MORNING, 19 MARCH 1997

08:00 I1.01 Superconductivity and Fermi Liquid Behavior of Sr_2RuO_4

Yoshiteru Maeno (Department of Physics, Kyoto University, Kyoto 606-01, Japan)

08:36 I1.02 Sr_2RuO_4: Quantum Oscillations and Other Normal State Issues

Andrew Mackenzie (Interdisciplinary Research Centre in Superconductivity, University of Cambridge, Madingley Road, Cambridge CB3 OHE)

09:12 I1.03 Triplet Superconducting State in Sr_2RuO_4?

Manfred Sigrist (Theoretische Physik, ETH-Hönggerberg, 8093 Zürich, Switzerland)

08:00 I2.01 Metal-Hydride Films with Switchable Optical Properties

R. Griessen (Institute COMPAS, Faculty of Physics and Astronomy, Vrije Universiteit, Amsterdam, the Netherlands)

08:36 I2.02 Electronic Structure of Lanthanum Hydrides with Switchable Opitcal Properties

Fu-chun Zhang (University of Cincinnati)

09:12 I2.03 Structural and Dynamical Properties of Yttrium and Lanthanum Trihydrides

Terrence J. Udovic (National Institute of Standards amp; Technology, Gaithersburg, MD 20899-0001)

09:48 I2.04 Peierls-Like Distortion in Yttrium Trihydrides

M. Y. Chou (School of Physics, Georgia Institute of Technology, Atlanta, GA 30332-0430)

10:24 I2.05 Theoretical prediction of the structure of insulating YH_3

Paul J. Kelly (Philips Research Laboratories Eindhoven, The Netherlands)

08:00 I3.01 Viscoelasticity of Semiflexible Biopolymer Solutions and Gels

F.C. MacKintosh (University of Michigan)

08:36 I3.02 Subdiffusion and Anomalous Local Viscoelasticity in Semiflexible Networks

Bernard Yurke (Bell Laboratories)

09:12 I3.03 Light Scattering Probes of Gel Viscoelasticity

D.A. Weitz (Dept. of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104)

09:48 I3.04 Theory of Local Viscoelasticity and Dynamics of Semiflexible Polymer Solutions

Anthony Maggs (ESPCI)

10:24 I3.05 F-actin networks: The Physics of Semiflexible Polymer Solutions and G= els

Josef Kas (Center of Nonlinear Dynamics, Dept. of Physics, University of Texas at Austin, TX78712)

08:00 I4.01 GMR Memory and Sensors

Jim Daughton (NVE)

08:36 I4.02 Advanced Memories and CMR

James Brug (Hewlett-Packard Laboratories)

09:12 I4.03 High Sensitivirty Magnetoresistive Magnetic Field Sensors

Neil Smith (Eastman Kodak)

09:48 I4.04 CMR for Magnetic Recording and Sensors

Bruce Gurney (IBM)

08:00 I5.01 Digital Multicolor Printing

Helmut Kipphan (Heidelberger Druckmaschinen AG)

08:36 I5.02 Piezoelectric Technology for Viscous Ink Jet Application

Yong Zhou (Spectra Inc. Hanover, NH 03755)

09:12 I5.03 Laser Xerography

Ross Bringans (Xerox)

09:48 I5.04 Thermal Ink Jet Printing

R.R. Allen (Hewlett-Packard Laboratories)

10:24 I5.05 Color Printing with Digital Micromirror Devices (DMD)

William E. Nelson (Texas Instruments)

08:00 I7.01 Dynamics at Metal Surfaces: The Role of Electronic Excitations

John Tully (Yale University)

08:36 I7.02 Dynamics of Elementary Gas Surface Reactions

Charles Rettner (IBM Almaden)

09:12 I7.03 Classical and Quantum Cell Theory Studies on the Thermodynamics of Adsorbed Monolayers

James M. Phillips (University of Missouri-Kansas City)

09:24 I7.04 Quantum vs Classical Mechanics for a 'Simple' Dissociation Reaction. Should They Give the Same Results?

Stephen Holloway (Surface Science Research Centre, The University of Liverpool,Liverpool L69 3BX, UK)

10:00 I7.05 Simulation Study of Films Physisorbed on Stepped Surfaces

William Steele (Penn State University)

I7.06 Uniaxially incommensurate Xe/Pt(111)

L. W. Bruch (University of Wisconsin-Madison)

08:00 I8.01 Fluctuating Barriers and Boundaries in Complex Reaction Processes

Charles R. Doering (Department of Mathematics, University of Michigan, Ann Arbor, MI 48109-1109)

08:36 I8.02 Optimal Modulation of a Brownian Ratchet and Enhanced Sensitivity to a Weak External Force

Martin B. Tarlie (James Franck Institute, University of Chicago), R. Dean Astumian (Dept. of Surgery and Dept. of Biochemistry, University of Chicago)

08:48 I8.03 Reaction Rates When Barriers Fluctuate

Philip Pechukas (Department of Chemistry, Columbia University, New York, N.Y. 10027)

09:24 I8.04 Kinetics of a Two-Species Annihilation with Long-Range Interactions

Valeriy Ginzburg, Leo Radzihovsky, Noel Clark (Condensed Matter Laboratory, Physics Department, University of Colorado at Boulder)

09:36 I8.05 Complex Reaction Dynamics in Fluctuatin Environments

Jin Wang (University of Illinois at Urbana-Champaign)

08:00 I9.01 Nonequilibrium Phases of Driven Flux Lattices

M. C. Marchetti (Syracuse Univ.), L. Balents (ITP, Santa Barbara), L. Radzihovsky (UC, Boulder)

08:12 I9.02 Gliding dislocations in a driven vortex lattice

S. Scheidl (Institut fuer Theoretische Physik Universitaet zu Koeln Zuelpicher Strasse 77 D-50937 Koeln Germany), V. M. Vinokur (Materials Science Division, Argonne National Laboratory, 9700 South Cass Av., Argonne, Illinois, 60439)

08:24 I9.03 Plastic Flow and Dynamic Ordering of Vortices in 2-D Amorphous Mo_77Ge_23 Films.

Monica Hellerqvist, D. Ephron, M. R. Beasley, A. Kapitulnik (Stanford University)

08:36 I9.04 Vortex Dynamics Near the Melting Transition in Bi_2Sr_2CaCu_2O_y

T. Hanaguri, T. Tsuboi, A. Maeda (Dept. Basic Science, The Univ. of Tokyo, 3-8-1, Komaba, Meguro-ku, Tokyo 153, Japan)

08:48 I9.05 Dynamic Phases in Driven Vortex Lattices Interacting with Twin Boundaries and Line Defects.

J. Groth, C. Reichhardt, C.J. Olson, F. Nori (Univ. of Michigan)

09:00 I9.06 Dynamic Phases in Driven Vortex Lattices in Superconductors with Periodic Pinning Arrays.

C. Reichhardt, C.J. Olson, F. Nori (Univ. of Michigan)

09:12 I9.07 Statistical Characterization of River and Channel Network Formation in Intermittently Flowing Vortex Systems.

C.J. Olson, C. Reichhardt, F. Nori (University of Michigan)

09:24 I9.08 Phase diagram for current-carrying superconductors

Igor Aranson (Argonne National Laboratory and Bar-Ilan University), Alex Koshelev, Valerii Vinokur (Argonne National Laboratory)

09:36 I9.09 Plastic Flow of the Vortex Solid in Bi_2Sr_2CaCu_2O_8+\delta Crystals

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

09:48 I9.10 Dynamical Phase Transitions in a Vortex Lattice Driven Through a Disordered Superconducting Film

David Stroud, Seungoh Ryu (Ohio State University), Monica Hellerqvist, S. Doniach, A. Kapitulnik (Stanford University)

10:00 I9.11 Imaging of Current-Driven Vortex Dynamics Near the Depinning Transition

S. Field (Colorado State Univ.), J. Siegel, J. Witt (Univ. of Michigan)

10:12 I9.12 Flux Flow Noise - Metastable Vortex Configurations in NbSe_2

R.D. Merithew, M.W. Rabin, M.B. Weissman (U. of Illinois at Urbana-Champaign)

10:24 I9.13 Dynamic Exploration of Metastable Vortex Configurations in the Peak-Effect Regime

M.W. Rabin, R.D. Merithew, M.B. Weissman (U. of Illinois at Urbana-Champaign)

I9.14 Critical Transverse Force and Voltage Plateaus in Strongly Driven Vortex Lattices Interacting with Periodic Pinning Arrays.

J. Groth, C. Reichhardt, C.J. Olson, F. Nori (Univ. of Michigan)

08:00 I10.01 Phonon Mode Coupling in Superconducting LuNi_2B_2C

M. Bullock, C. Stassis, J. Zaretsky, P.C. Canfield, A. I. Goldman (Ames Laboratory* and Dept. of Physics and Astronomy, Iowa State University Ames, IA 50011.), G. Shirane, S. M. Shapiro (Physics Dept., Brookhaven National Laboratory**, Upton, NY 11973.)

08:12 I10.02 Phonon softeting and superconductivity in tellurium under pressure

Francesco Mauri, Oleg Zakharov (University of California at Berkeley), Stefano de Gironcoli (SISSA Trieste), Steven G. Louie, Marvin L. Cohen (University of California at Berkeley)

08:24 I10.03 Linear Response Calculations of Lattice Dynamics and Electron-Phonon Interaction in Metals

Cheng-Zhang Wang, Rici Yu, Henry Krakauer (College of William and Mary)

08:36 I10.04 Can Phonon-imaging Experiments Tell us about the Dynamics of Quasiparticles in Superconductors?

J.D. Short, J.P. Wolfe (University of Illinois at Urbana-Champaign), M.R. Hauser (Shell Development Labs)

08:48 I10.05 Observation of anomalous phonon region centered at (0.5,0) in La_1.85Sr_0.15CuO_4

R. J. McQueeney, T. Egami, Y. Petrov (Univ. of Pennsylvania), G. Shirane (Brookhaven Nat. Lab.), Y. Endoh (Tohoku Univ.)

09:00 I10.06 Phonon Self-Energy Effects of ErBa_2Cu_3O_6.9 in Strong Magnetic Fields

C. Thomsen, I. Loa, J. Hofmann (Techn. Univ. Berlin, Germany), E. Schönherr (Max-Planck-Inst., Stuttgart, Germany)

09:12 I10.07 Temperature Studies of the Raman Phonons in Ni Substituted YBa_2Cu_4O_8

D.J. Payne, M. Chandrasekhar, H.R. Chandrasekhar (University of Missouri, Columbia), J. Ulanday, B. Jayaram (University of Nebraska, Omaha)

09:24 I10.08 Study of Raman modes in YBa_2(Cu_0.96Ni_0.04)_4O_8 under pressure

M. Chandrasekhar, D.J. Payne, H.R. Chandrasekhar (University of Missouri, Columbia), J. Ulanday, B. Jayaram (University of Nebraska, Omaha)

09:36 I10.09 Raman Scattering in Tl_0.5Pb_0.5Sr_1.25Ba_0.75 Ca_1Cu_2O_x Thin-Films

G. Subramanyam (Univ. of North Iowa*), P. Boolchand (Univ. of Cincinnati**), M. Chandrasekhar (Univ. of Missouri***)

09:48 I10.10 Phonon Anomalies in Hg1201 superconductors

Q. Cai, D.J. Payne, M. Chandrasekhar, H.R. Chandrasekhar (University of Missouri, Columbia), R. Li, S-H. Liou (University of Nebraska, Lincoln)

08:00 I11.01 Numerical Study of the Spin Fluctuation Temperature Regimes in Nearly Antiferromagnetic Fermi Liquids.

Oleg Pashko, David Pines, Branko Stojkovi\'c (University of Illinois)

08:12 I11.02 Temperature Evolution of the Quasiparticle Band Structure in Cuprates.

Vladimir Roubtsov, David Pines, Branko Stojkovi\'c (University of Illinois)

08:24 I11.03 Thermodynamics and Transport in Clean and Dirty Cuprate Superconductors.

Branko Stojkovi\'c, David Pines (University of Illinois)

08:36 I11.04 The in-plane conductivity as a function of temperature and frequency in the High-Tc superconductors

Y.M. Vilk, M.R. Norman (Argonne Natl. Lab.)

08:48 I11.05 Phase Fluctuations within the Spin Fluctuation Mechanism of High-T_c Superconductivity

Jörg Schmalian, Sören Grabowski, Karl H. Bennemann (lnstitute for Theoretical Physics, Freie Universität Berlin, D-14195 Berlin, Germany.)

09:00 I11.06 Phase Fluctuations and a Negative U Hubbard Model: Single-Particle and Thermodyanic Properties in a Conserving Approximation

J.W. Serene, J.J. Deisz (Department of Physics, Georgetown University), D.W. Hess (Naval Research Laboratory)

09:12 I11.07 A Numerical Renormalization Group Study of the Superconducting Instability in Holstein--Hubbard Model

C.--H. Pao (Department of Physics, Nat'l Chung Cheng University, Taiwan, R.O.C.), H.--B. Schüttler (Center for Simulational Physics, University of Georgia, Georgia, U.S.A.)

09:24 I11.08 Ordering Instabilities in the Three--Band CuO_2 Model

Gökhan Esirgen, N. E. Bickers (USC)

09:36 I11.09 Solution of electronic parquet equations using eigenvector basis sets

N. E. Bickers (USC)

09:48 I11.10 Kohn-Luttinger Effect in Nested Fermion Liquids

Hyok-Jon Kwon (Brown University)

10:00 I11.11 Singularities in the Polarizability of Superconductors at Nesting Vectors

Hae-Young Kee (Rutgers University), Chandra M. Varma (Bell Laboratories, Lucent Technologies)

10:12 I11.12 A new paradigm for two-dimensional spin-liquid behavior in certain transition metal oxides

Rajiv Singh (University of California, Davis), Oleg Starykh (University of Florida, Gainsville), Paul Freitas (University of California, Davis)

10:24 I11.13 Derivation of the uniaxial pressure dependence of T_c and thermal expansion near T_c in \mboxYBa_2\mboxCu_3\mboxO_7-\delta from the tunneling-unit model

Sergey B. Simanovsky, Michael W. Klein (Worcester Polytechnic Institute)

I11.14 On the superconducting transition of the high-temperature superconductors

George Kastrinakis (University of Illinois at Urbana-Champaign)

08:00 I12.01 Time-Resolved Magneto-Photoluminescence of Trions in Mixed-Type GaAs/AlAs Quantum Wells

H.W. Yoon (Dept. of Physics, Dartmouth College), L.N. Pfeiffer (Lucent Technology Bell Labs.)

08:12 I12.02 Magneto-Exciton Studies of e1-hh1 and e1-lh1 Anticrossing in GaAs Single Quantum Wells using Pulsed Magnetic Fields.

Yongmin Kim (National High Magnetic Field Laboratory-Los Alamos National Laboratory), C.H. Perry (Northeastern University and NHMFL-LANL), K-S. Lee (Electronics and Telecommunications Research Institute, Korea), D.G. Rickel (National High Magnetic Field Laboratory-Los Alamos National Laboratory)

08:24 I12.03 Magneto-luminescence study of n-type modulation-doped ZnCdSe/ZnSe(Cl) quantum well structures

G. Kioseoglou, J. Haetty, H.C. Chang, H. Luo, A. Petrou (SUNY at Buffalo), T Schmiedel (NHMFL , Tallahassee), P. Hawrylak (National Research Council of Canada,Ottawa)

08:36 I12.04 Luminescence Enhancement at the Fermi Energy in n-type Modulation-Doped GaAs/AlAs Quantum Wells

T. Schmiedel (NHMFL Tallahassee), J. Haetty, G. Kioseoglou, A. Petrou (SUNY at Buffalo), M. Dutta, J. Pamulapati, P.G. Newman (Army Research Laboratory, Fort Monmouth), P. Hawrylak (Institute for Microstructural Sciences, NRC, Ottawa)

08:48 I12.05 Magnetic Field Localization of Carriers at the Interfaces in AlGaAs/AlAs Muliple Quantum Well Structures

J. Haetty, M.S. Salib, A. Petrou (SUNY at Buffalo), T. Schmiedel (NHMFL Tallahassee), M. Dutta, J. Pamulapati, P.G. Newman (Army Research Laboratory, Fort Monmouth), K.K. Bajaj (Emory University, Atlanta)

09:00 I12.06 Two-Dimensional electron gas in DMS Quantum Wells

M.S. Salib, G. Kioseoglou, H.C. Chang, H. Luo, A. Petrou (SUNY at Buffalo), T. Schmiedel (NHMFL, Tallahassee), M. Dobrowolska, J.K. Furdyna (Notre Dame)

09:12 I12.07 Observation of negatively charged excitons (X^-) in ZnCdSe/ZnSe Quantum Wells

A. Petrou, M.S. Salib, G. Kioseoglou (SUNY at Buffalo), B.T. Jonker (NRL Washington), J. Warnock (IBM Watson Reasearch Center)

09:24 I12.08 High Pressure Magneto-Spectroscopy of Planar Doped GaAs/Al_0.3Ga_0.7As Multiple Quantum Well

J. G. Tischler, Z. X. Jiang, G. S. Herold, B. D. McCombe, B. A. Weinstein (SUNY at Buffalo)

09:36 I12.09 Kerr-Rotation and Differential Reflectivity of Magnetic Semiconductor Quantum Wells

T-B Sun, L.M. Smith (Univ. of Cincinnati), B.T. Jonker (NRL)

09:48 I12.10 Femtosecond Studies of Spin Dynamics and Dephasing in Magnetic Two-Dimensional Electron Gases

J.M. Kikkawa, D.D. Awschalom (University of California-Santa Barbara), I.P. Smorchkova, N. Samarth (Penn State University)

10:00 I12.11 Spin-Thermalization of Excitons in Zn(Cd,Mn,Fe)Se-based Magnetic Quantum Wells

A.R. Hodges, C.D. Poweleit, L.M. Smith (Department of Physics, University of Cincinnati), B.T. Jonker (Naval Research Laboratory)

10:12 I12.12 Novel Quantum Kinetic Behavior of Interactions in Quantum Confined Semiconductors: ``The Phonon Staircase''

J.A. Kenrow, K. El Sayed, C.J. Stanton (Department of Physics, University of Florida, Gainesville)

10:24 I12.13 Simulation of the ``Phonon Staircase'' Effect in GaInAs Quantum Wells in Quantizing Magnetic Fields

K. El Sayed, J.A. Kenrow, C.J. Stanton (Department of Physics, University of Florida, Gainesville)

I12.14 Magnetic-Field-Induced Reduction of Singlet Binding Energies of Off-Well-Center Negative Donor Ions in GaAs/Al_0.3Ga_0.7As Multiple Quantum Wells

Z. X. Jiang, B. D. McCombe (SUNY at Buffalo, Buffalo, NY), Jia-Lin Zhu (Tsinghua University, Beijing, PRChina), W. Schaff (Cornell University, Ithaca, NY)

I12.15 Wavefunction mapping of multiple quantum wells using diluted magnetic semiconductors

S. Lee, M. Dobrowolska, J.K. Furdyna (University of Notre Dame), L.R. Ram-Mohan (Worcester Polytechnic Institute)

08:00 I13.01 Initial bonding of Ge adatoms and ad-dimers on Si(100) - 2 \times 1

X.R. Qin, M.G. Lagally (University of Wisconsin-Madison)

08:12 I13.02 Temperature dependence of the 2xN reconstruction on Ge covered Si(001)

Adam H. Li, Feng Liu, M.G. Lagally (University of Wisconsin at Madison)

08:24 I13.03 Surface stress anisotropy on the Ge-covered Si(001) surface

F.K. Men, C.R. Hsu (Department of Physics, National Chung Cheng University, Taiwan, R.O.C.)

08:36 I13.04 Strain-Dependent Interfacial Microstructures and Local Bond Lengths in SiGe Films Epitaxially Grown on Si

S. Huang, Z.H. Ming, Y.L. Soo, Y.H. Kao* (SUNY at Buffalo), X. Zhu, K.L. Wang (UCLA)

08:48 I13.05 Atomic ordering within the 2\!\times\! 1 surface of SiGe alloys

K. L. Whiteaker, I. K. Robinson, J. E. Van Nostrand, D. G. Cahill (University of Illinois at Urbana-Champaign)

09:00 I13.06 Study of the thermal stability of Si/H/Ge(100) using Positron annihilation induced Auger Electron Spectroscopy (PAES)

Jaehong Kim, Amit Nangia, Eunseung Jung, A.H. Weiss (University of Texas at Arlington)

09:12 I13.07 Oxynitride growth behavior on Si(100)

E. Garfunkel, E.P. Gusev , H.C. Lu , T. Gustafsson (Departments of Physics and Chemistry, Rutgers University, Piscataway, NJ 08855), M.L. Green, D. Brasen (Lucent Technologies Bell Laboratories Innovations, Murray Hill, NJ 07974)

09:24 I13.08 TOF-SIMS and XPS Investigation of the Native Oxide Layer of MBE-Grown ZnSe Thin Films

M.H. Na, J. Zhao, E.H. Lee, H.C. Chang, J.A. Gardella Jr., H. Luo (SUNY at Buffalo)

09:36 I13.09 SiO_2/Si(111) interface structure studied by angular-dependent photoemission spectroscopy

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

09:48 I13.10 Surface characterization of SOI materials

K.C. Lin, H.H. Weitering (University of Tennessee), O.W. Holland (Oak Ridge National Lab.), L.C. Feldman (Vanderbilt University)

10:00 I13.11 Nitrogen Incorporation at the Si(001)/SiO_2 Interface: a First-Principles Study.

Gian-Marco Rignanese, Xavier Gonze (Unité de Physico-Chimie et de Physique des Matériaux (PCPM), Université Catholique de Louvain, B-1348 Louvain-la-Neuve, Belgium), Alfredo Pasquarello, Roberto Car (Institut Romand de Recherche Numérique en Physique des Matériaux (IRRMA), IN-Ecublens, CH-1015 Lausanne, Switzerland.)

10:12 I13.12 Surface roughness of GaN films measured by x-ray reflectivity

D. Lederman, Zonghai Yu, T. H. Myers (Dept. of Physics, West Virginia University, Morgantown, WV 26506-6315), M. Richards-Babb (Dept. of Chemistry, West Virginia University, Morgantown, WV 26506-6045)

08:00 I14.01 Composite fermions: A lowest Landau level perspective

J.K. Jain, Rajiv K. Kamilla (Department of Physics, SUNY @ Stony Brook, NY 11794, and, Department of Physics, MIT, Cambridge, MA 02139)

08:12 I14.02 Low Energy Properties of \nu = 1 Bosons

A. Raghav Chari, F.D.M. Haldane (Dept. of Physics, Princeton University)

08:24 I14.03 Spin Ensemble Density Functional Theory for \nu=1 Quantum Hall Dots

M.I. Lubin, O. Heinonen, M.D. Johnson (University of Central Florida)

08:36 I14.04 Ensemble Density Functional Approach to the Quantum Hall Effect

O. Heinonen (Department of Physics, University of Central Florida, Orlando, FL 32816-2385)

09:12 I14.05 Non-Hermitean Hamiltonian for Plateau Transitions: Exact Results

Jané Kondev, Brad Marston (Brown University)

09:24 I14.06 Non-Hermitian Hamiltonian for Plateau Transitions: DMRG Analysis

Brad Marston, Jané Kondev (Brown University)

09:36 I14.07 Non-Abelian Statistics in Paired Quantum Hall States

Chetan Nayak (ITP, UCSB), Frank Wilczek (IAS)

09:48 I14.08 Landau level bosonization of a 2D electron gasLandau level bosonization of a 2D electron gas

A.H. Castro Neto (UCR), H. Westfahl Jr., A.O. Caldeira (Unicamp)

I14.09

10:12 I14.10 Symmetry-breaking single skyrmion excitation in the quantum Hall system

Kang-Hun Ahn, K. J. Chang (Department of Physics, Korea Advanced Institute of Science and Technology, Korea)

10:24 I14.11 Pairing and the ``Composite Fermi Liquid'' in the Half-Filled Landau Level

F. D. M. Haldane (Dept. of Physics, Princeton U.), E. H. Rezayi (Dept. of Physics and Astronomy, CSULA)

08:00 I15.01 Inherent structures and two-stage melting in two dimensions

Frank Somer, Geoff Canright (University of Tennessee and Solid State Division (SSD), Oak Ridge National Laboratory (ORNL)), Ted Kaplan, Mark Mostoller, Kun Chen (SSD, ORNL)

08:12 I15.02 Phase transitions in Dipolar Systems with Modulated Short-Ranged Attractions and Long-Ranged Repulsions

Seamus O'Shea (Department of Chemistry, University of Lethbridge, Lethbridge,Alberta,Canada), Girija S Dubey (BNL and CUNY, New York, NY10021)

08:24 I15.03 Brillouin Scattering from Liquids: Does the Mountain Peak Exist?

Marcos Grimsditch (Materials Science Div., Argonne National Laboratory)

08:36 I15.04 Density functional theory applied to uniform classical fluids

W. J. Ellis, N. W. Ashcroft (Laboratory of Atomic and Solid State Physics, Clark Hall, Cornell University, Ithaca NY 14853-2501 USA)

08:48 I15.05 Generalized Density Functional Theory

A. Khein, N.W. Ashcroft (Cornell University.)

09:00 I15.06 Quasihydrodynamics of Nanofluids

Liudmila A. Pozhar, Keith E. Gubbins (School of Chemical Engineering, Cornell University)

09:12 I15.07 Studies of Liquid Flow in Ultra-small Structures

G. A. Fiete, N. Giordano (Purdue University)

09:24 I15.08 Energy Spectrum for Electrons on the Hexagonal Lattice with Nearest-Neighbor Hopping

Paula Fekete, Godfrey Gumbs (Physics Department, Hunter College/CUNY, 695 Park Avenue, New York, NY 10021)

09:36 I15.09 Electrorheological Fluids - Aerospace Applications

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

I15.10 Universality in Electron-Ion Structure Factors

A. A. Louis, N.W. Ashcroft (Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, NY 14853-2501)

08:00 I16.01 Density Functional Phase Diagram for a Gay-Berne Fluid

Valeriy Ginzburg, Matthew Glaser, Noel Clark (Condensed Matter Laboratory, Physics Department, University of Colorado at Boulder)

08:12 I16.02 Generalized~Maier-Saupe~Theory~for~Flexible~Nematogens

Titus Weider, Matthew A. Glaser, Noel A. Clark (Condensed Matter Laboratory, Physics Department, University of Colorado at Boulder)

08:24 I16.03 Entropically driven reentrant SmC-SmA-SmC phase transition in composite polymer--liquid crystal systems

Leo Radzihovsky (University of Colorado at Boulder)

08:36 I16.04 Compressionally Induced Smectic C to Smectic A Transitions in a Freely Suspended Liquid Crystal Film

Darren R. Link, Anuranjita Tewary, Noel A. Clark (Condensed Matter Laboratory, Physics Department, University of Colorado at Boulder)

08:48 I16.05 High-Resolution Optical Reflectivity Studies of One Unique Perfluorinated Liquid- Crystal Compound

P. Mach, P. Johnson, C.C. Huang (Dept. of Physics and Astronomy, University of Minnesota, Minneapolis, MN 55455)

09:00 I16.06 The Effect of Aerosil Dopent on the Specific Heat of Liquid Crystal Phase Transitions

G. S. Iannacchione, B. Zhou, C. W. Garland (MIT)

09:12 I16.07 Dependence of Growth Velocity of 2D SSFLC Domains on Applied Electric Field

Qi Jiang, Joseph E. Maclennan, Noel A. Clark (Condensed Matter Laboratory, Physics Department, University of Colorado at Boulder)

09:24 I16.08 Spinodal decomposition in liquid-crystal/polymer mixtures

Amelia M. Lapeña, Rebecca M. Nyquist, Andrea J. Liu (UCLA), Abdullah Al Sunaidi, Sharon C. Glotzer, Stephen A. Langer (NIST), Jennifer Lukovich (Univ. of Toronto), Roland Ennis (Kent State Univ.)

09:36 I16.09 Visualized Instabilities in Cholesteric Stripe Structures

Tomohiro Ishikawa, Oleg Lavrentovich (Liquid Crystal Institue and Chemical Physics Program, Kent State University, Kent, OH, 44242)

09:48 I16.10 Surface-Anchored Solitary Waves in Antiferroelectric Liquid Crystals

P. L. Taylor, Yi-Kuo Yu (Case Western Reserve University)

10:00 I16.11 Two-Stage Switching of Polymer Stabilized Cholesteric Liquid Crystal Textures

G. A. Held, I. Dierking, L. L. Kosbar, A. C. Lowe (IBM Watson Research Center)

10:12 I16.12 Electric Field Induced Transient and Static Modulated Phase in Nematic Liquid Crystals

Christopher Ditchman, Shila Garg (The College of Wooster, Wooster, OH), U.D. Kini (Raman Research Institute, Bangalore, India)

08:00 I17.01 Is the Separable Propagator Perturbation Approach Accurate in Calculating Angle Resolved Photoelectron Diffraction Spectra?

C.N. Ng, T.P. Chu, Huasheng Wu, S.Y. Tong (University of Hong Kong), Hong Huang (University of Wisconsin-Milwaukee)

08:12 I17.02 Excited State Formation in Atom-Surface Scattering

B.H. Cooper, E.B. Dahl, C.E. Sosolik (LASSP, Cornell University, Ithaca, NY), A.V. Onufriev, J.B. Marston (Dept. of Physics, Brown University, Providence, RI)

08:24 I17.03 Many-body effects in energy transfer between atomic species and metallic surfaces

M. Plihal, D. L. Langreth (Rutgers University)

08:36 I17.04 Adiabatic coupled-channel calculations for ion-surface interactions

P. Kürpick, U. Thumm (J. R. Macdonald Lab., Kansas State University, Dept. of Physics), U. Wille (Bereich Theoretische Physik, Hahn-Meitner-Institut Berlin, D-14091 Berlin, Germany)

08:48 I17.05 Observation of ``Stabilized'' Surface Species Generated by Low-Energy Ion Interactions of Ethylene with Cu(100) and Si(111).

H. Yu, K.T. Leung (Department of Physics and Department of Chemistry, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada)

09:00 I17.06 Charge Transfer Dynamics of Low Energy Reactive Ion Beams Scattered from Cu(001)

A.C. Lavery, C.A. Keller, B.H. Cooper (Cornell University)

09:12 I17.07 Transmission of Low-Energy (<10 eV)O^+ Ions through Au Films on TiO^2(110)

B. Yakshinskiy, M. Akbulut, T.E. Madey (Rutgers University)

09:24 I17.08 Low-Energy (<5 eV) F^- Ion Transmission through Ultrathin Films of Condensed H_2O

M. Akbulut, T.E. Madey (Rutgers University), P. Nordlander (Rice University)

09:36 I17.09 ESD of Protons from Amorphous Ice Films

Z. Ma, M. Akbulut, T.E. Madey (Dept. of Physics and Lab. for Surface Modification, Rutgers Univ., Piscataway, NJ)

09:48 I17.10 Target material dependence of secondary electron yield in highly charged ion-surface collisions

A.V. Barnes, A. Hamsa, T. Schenkel, D. Schneider (Lawrence Livermore National Laboratory), N. Tolk (Vanderbilt University)

10:00 I17.11 Auger Decay of a Core Level Satellite Feature Observed by Auger Photoelectron Coincidence Spectroscopy

R.A. Bartynski (Rutgers University), R. Gotter (Laboratorio TACS-INFM, Italy), Xilin Wu, S.L. Hulbert (NSLS), H. Nozoye (National Institute of Materials and Chemical Research, Japan)

10:12 I17.12 Core Hole Decay Mechanisms in Ru Studied by Auger-Photoelectron Coincidence Spectroscopy

R. Gotter (Laboratorio TACS-INFM, Italy), R.A. Bartynski (Rutgers University), Xilin Wu, S.L. Hulbert (NSLS), H. Nozoye (NIMCR, Japan)

10:24 I17.13 Coincidence Ti 3p Core Level Photoemission Spectra from NH_3 Covered TiO_2(110) Surfaces

W.-K. Siu, A.-K. See, R.A. Bartynski (Rutgers University), A. Namgia, A.H. Weiss (University of Texas at Arlington), Xilin Wu, S.L. Hulbert (NSLS)

I17.14 Enhanced Sensitivity to Defects at the TiO_2(110) Surface using Auger Photoelectron Coincidence Spectroscopy

R.A. Bartynski, W.-K. Siu (Rutgers University), A. Namgia, A.H. Weiss (University of Texas at Arlington), Xilin Wu, S.L. Hulbert (NSLS)

08:00 I18.01 Macroporous Silicon with a Complete Two-Dimensional Photonic Band Gap Centered at 5 um

Ulricke Gruning (Siemens AG)

08:36 I18.02 Photonic Band Structure Of Two Dimensional Arrays With Annular Basis

Orest Glembocki, Martin Peckerar (Naval Research Laboratory)

08:48 I18.03 Photonic band-structure calculations using the boundary element method

P. A. Knipp (Christopher Newport U.), T. L. Reinecke (Naval Research Lab)

09:00 I18.04 The effect of disorder and absorption on Photonic Band Gap Materials

M. M. Sigalas, C. M. Soukoulis, K. M. Ho, Rana Biswas (Ames Laboratory, Physics Department, Iowa State University)

09:12 I18.05 Symmetry Reduction in Two-Dimensional Photonic Crystals.

Cheryl M. Anderson, Konstantinos P. Giapis (California Institute of Technology, Pasadena, CA.)

09:24 I18.06 Coaxial connector photonic crystal.

George H. Watson, Ranjit D. Pradhan, John A. Bloodgood (Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716.)

09:36 I18.07 Low-frequency limit for 2D photonic band structures

J. Arriaga, A.A. Krokhin (Instituto de Física, Universidad Autónoma de Puebla, Apdo. Postal J-48, 72570, Puebla, México), P. Halevi (Instituto Nacional de Astrofísica Optica y Electrónica, Apdo. Postal 51, 72000, Puebla, México)

09:48 I18.08 Photonic crystals with 3-dimensional band gaps

Rana Biswas, Kai-Ming Ho (Iowa State U, Ames Laboratory)

10:00 I18.09 Reflection Properties and Defect Formation in Metallic Photonic Crystals

E. Özbay, B. Temelkuran (Department of Physics, Bilkent University, Ankara 06533, TURKEY.)

10:12 I18.10 Photonic band structure of bcc colloidal crystals.

Ranjit D. Pradhan, John A. Bloodgood, George H. Watson (Department of Physics and Astronomy, University of Delaware, Newark, Delaware 19716.)

08:00 I19.01 Metal-Insulator Transition in Perovskites.

Vladimir N. Kostur, Philip B. Allen (SUNY-Stony Brook)

08:12 I19.02 Metal Insulator Transition in a Continuum System and its Description within a Lattice Model

Gerhard E. Engel (George Mason University and Naval Research Laboratory), Richard M. Martin (Univ. of Illinois at Urbana-Champaign), Warren E. Pickett (Naval Research Laboratory)

08:24 I19.03 Dynamics of the Multi-band Hubbard Model: Quantum Monte Carlo Calculation

J.E. Han (The Ohio State University), M. Jarrell (The University of Cincinnati), D.L. Cox (The Ohio State University)

08:36 I19.04 Direct observation of the Hubbard gap in uniaxially stressed copper-doped germanium

Oscar Dubon Jr. (University of California at Berkeley, Lawrence Berkeley National Laboratory), Wladek Walukiewicz (Lawrence Berkeley National Laboratory), Eugene E. Haller (University of California at Berkeley, Lawrence Berkeley National Laboratory)

08:48 I19.05 Mean field theory of the Mott-Anderson transition

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

09:00 I19.06 Multifractal Wavefunction and Universality in the Critical Regime of the Anderson Transition

K.A. Muttalib (University of Florida, Gainesville), V.E. Kravtsov (ICTP, Trieste, Italy and Landau Institute, Moscow, Russia)

09:12 I19.07 Relations between Wavefunction Fractal Dimensions and Wavepacket Dynamics in Quasiperiodic Chains

Frédéric Piéchon (), Andreas Rüdinger (Insitut für Theoretische und Angewandte Physik, Universität Stuttgart, 70550 Stuttgart, Germany)

09:24 I19.08 Delocalization in Random Flux

Jonathan Miller (CalTech)

08:00 I20.01 A Theory for Imaging with Transmission Near-Field Optical Microscopy

Garnett W. Bryant, Eric L. Shirley, Lori S. Goldner (National Institute of Standards and Technology, Gaithersburg, MD)

08:12 I20.02 Experimental determination of E\parallel and E\perp components at the subwavelength aperture of a near-field scanning optical microscope.

R. S. Decca, H. D. Drew, K. L. Empson (Laboratory for Physical Sciences, University of Maryland, College Park, MD 20740)

08:24 I20.03 Comparison of NSOM tip control systems

B. S. Palmer, R. S. Decca, H. D. Drew (Laboratory for Physical Sciences, University of Maryland, College Park, MD 20740)

08:36 I20.04 Time-resolved high-resolution studies of thin film ferroelectrics using Apertureless Near-Field Scanning Optical Microscopy

Charles Hubert, Jeremy Levy (Department of Physics, Univerity of Pittsburgh), Adriaan Carter, Douglas B. Chrisey (Naval Research Laboratory)

08:48 I20.05 New Exciplex Fluorescence System for Vapor-Liquid Visualization

J.U. Kim, Jon Darrow, D.G. Nocera, H.J. Schock, B. Golding (Michigan State University)

09:00 I20.06 Magnetic-Tip Silicon Nitride Cantilevers for Magnetic Resonance Force Microscopy

John A. Marohn (Applied Physics Laboratory, Johns Hopkins University), Doran D. Smith (U. S. Army Research Laboratory), Raul Fainchtein (Applied Physics Laboratory, Johns Hopkins University)

09:12 I20.07 Simple and Accurate Determination of the Magnetic and Mechanical Characteristics of MFM and AFM Cantilevers by Measurement of their Brownian Motion

Raul Fainchtein, John A. Marohn (Applied Physics Laboratory, Johns Hopkins University), Doran D. Smith (U. S. Army Research Laboratory)

09:24 I20.08 Acoustomagnetic Effect at Low Temperature in Scandium

Lois Pollack, Eric N. Smith (Microkelvin Laboratory, Materials Science Center, Cornell University Ithaca NY 14853)

09:36 I20.09 A high sensitivity torque magnetometry system for studies of microcrystals.

S. Spagna, J. Diederichs, M. B. Simmonds, R. E. Sager (Quantum Design Inc., San Diego, Ca 92121), C. Rossel, M. Willemin

09:48 I20.10 A White Beam Neutron Spin Splitter

Frank Klose (ANL and HMI), Thomas Krist (Hahn Meitner Institute), Apollo Wong, Gian P Felcher (Argonne National Laboratory)

10:00 I20.11 High performance neutron quasielastic scattering with focusing silicon monochromators

M. Popovici, K.W. Herwig, R. Berliner, W.B. Yelon (University of Missouri-Columbia)

08:00 I21.01 Surface Mediated Crystallization of Proteins in 2-D: A first Order Phase Transition

Viola Vogel (University of Washington)

08:36 I21.02 Mechanisms for Membrane Protein Crystallization Measured by Small Angle Neutron Scattering

David Tiede (Chemistry Division D-200, Argonne National Laboratory, Argonne, IL 60439)

09:12 I21.03 Applications of Atomic Force Microscopy in Macromolecular Crystal Growth

Alexander McPherson (UCR)

09:48 I21.04 Fibrillogenesis in Alzheimer's Disease and 'Mad Cow' Disease

D.A. Kirschner (Boston College)

10:24 I21.05 The Fluid Dynamics of Levitated Protein Solution Droplets

E. Trinh (Jet Propulsion Laboratory)

08:00 I22.01 Near-Field Optical Spectroscopy of Magnetic Quantum Dots

V. Nikitin, P. A. Crowell, J. A. Gupta, D. D. Awschalom (Department of Physics, UC Santa Barbara), F. Flack, N. Samarth (Department of Physics, Penn State University)

08:12 I22.02 Giant Magnetoresistance of ErAs Self-organized Islands in GaAs

Daniel R. Schmidt, Daniel E. Brehmer, S. J. Allen (Quantum Institute, UCSB), James P. Ibbetson (Materials Department, UCSB)

08:24 I22.03 Magnetization Controlled Resonant Tunneling through ErAs Semi-metal Quantum Wells

Daniel E. Brehmer, Daniel R. Schmidt, S. James Allen (Quantum Institute), James P. Ibbetson (Materials Department, UCSB), C. Palmstraem (Chemical Engineering and Materials Science, University of Minnesota)

08:36 I22.04 Large Magnetoresistance in Magnetic Tunnel Junctions

Stuart Parkin (IBM Research Division, Almaden Research Center, San Jose, CA 95120-6099)

09:12 I22.05 Voltage Dependence and the Zero Bias Anomaly of the Current-Voltage Characteristics in Magnetic Tunnel Junctions

A. C. Marley, S. S. P. Parkin (IBM Research Division, Almaden Research Center, San Jose CA)

09:24 I22.06 Magnetoresistance Response in Magnetic Tunnel Junctions

Yu Lu (Brown University), R. A. Altman, S. A. Rishton (IBM Watson), S. S. P. Parkin, A. Marley, S. Gider (IBM Almaden), Gang Xiao (Brown University), W. J. Gallagher (IBM Watson)

09:36 I22.07 Spin transport in heterogeneous nanowires

B. Doudin, G. Redmond, S. Gilbert, J.-Ph.. Ansermet (Ecole Polytechnique de Lausanne)

09:48 I22.08 Giant Magnetoresistance in (Near) Zero-Bandgap Mercury Cadmium Telluride.

James W. Bennett, Tineke Thio, S.A. Solin, D.R. Hines (NEC Research Institute), M. Kawano, N. Oda, M. Sano (NEC Material Development Center)

10:00 I22.09 Self-Biasing of Mercury Cadmium Telluride GMR Sensors.

S.A. Solin, Tineke Thio, J.W. Bennett, D.R. Hines (NEC Research Inst.), M. Kawano, N. Oda, M. Sano (NEC Material Development Ctr.)

10:12 I22.10 Low Energy Electron Spin Filter

X. Wu, S. L. Hulbert (National Synchrotron Light Source, Brookhaven National Laboratory,Upton, New York 11973), B. Sinkovic (Department of Physics, New York University, 2 Washington Place, New York, New York 10003)

08:00 I23.01 Isotope Effects in the Manganites:Evidence for Polaronic Charge Carriers

Guo-meng Zhao (Physics Department, University of Zurich, CH-8057 Zurich, Switzerland)

08:36 I23.02 Theoretical investigation of the isotope effect in CMR maganites

A.R. Bishop, J. Zang, H. Röder, A. Bussman--Holder (LANL)

08:48 I23.03 Relation of the double-exchange model to low-temperature magnetic properties of doped manganites

T. A. Kaplan, S. D. Mahanti (Mich. State U.)

09:00 I23.04 A disorder-based model for the doped manganites

Woonki Chung, Jim Freericks (Georgetown University), Jeff Byers (Naval Research Laboratory)

09:12 I23.05 Phase diagram of the one dimensional Kondo model for manganese oxides

André Luiz Malvezzi, Seiji Yunoki, Elbio Dagotto (National High Magnetic Field Lab, Florida State University, Tallahassee, Florida 32306,U.S.A.)

09:24 I23.06 Phase Diagrams of the One- and Two-Dimensional Kondo Model for Manganites

Seiji Yunoki, Andre Malvezzi, Jun Hu, Adriana Moreo, Elbio Dagotto (National High Magnetic Field Lab, Florida State University, Tallahassee, FL 32306, USA)

09:36 I23.07 Computation Search for Half-Metallic Antiferromagnets

Warren E. Pickett (Naval Research Laboratory)

09:48 I23.08 High Temperature Thermodynamics of the Ferromagnetic Kondo-Lattice Model

H. Röder (LANL), R. R P. Singh (UC DAvis), Jun Zang (LANL)

10:00 I23.09 Disorder-induced polaron formation in the doped manganites

Jeff M. Byers (Materials Physics, Naval Research Laboratory)

10:12 I23.10 First Principles Investigation of the Ferromagnetic Perovskite BiMnO_3

Nicola A. Hill, Karin M. Rabe (Yale University, Dept. of Applied Physics, P.O. Box 208284, New Haven, CT 06520-8284)

10:24 I23.11 Charge Localization in Disordered Colossal-Magnetoresistance Manganites

Qiming Li (Ames Laboratory, Iowa State University), Jun Zang, A.R. Bishop (Los Alamos National Laboratory), C.M. Soukoulis (Ames Laboratory, Iowa State University)

10:36 I23.12 Two-dimensional long- and short-range ferromagnetic order of layered colossal magnetoresistance La_1.2Sr_1.8Mn_2O_7 single crystals

C.D. Potter, Maribeth Swiatek, S.D. Bader, D.N. Argyriou, J.F. Mitchell, D.G. Hinks, J.D. Jorgensen (Materials Science Division, Argonne National Lab, Argonne, IL 60439)

10:48 I23.13 Charge Ordering via Electron-Electron Interactions in the Colossal-Magnetoresistive Manganites

S. K. Mishra, R. Pandit (and), S. Satpathy (Department of Physics, University of Missouri-Columbia)

I23.14 Theory of exchange interactions and magnetic ordering in LaMnO_3: effects of lattice distortions, doping and finite temperature^*.

O.N. Mryasov (Northwestern U.), R. F. Sabiryanov, S. S. Jaswal (U. of Nebraska), A. J. Freeman (Northwestern U.)

08:00 I24.01 Ferroelectric Phase Transitions from First Principles

Karin M. Rabe (Department of Applied Physics, Yale University)

08:36 I24.02 Self Consistent Atomic Deformation Model of Oxygen Octahedron Motion in BaBiO_3

R. Kulver (University of Nebraska at Omaha), J. R. Hardy (University of Nebraska-Lincoln)

08:48 I24.03 Ab initio calculation of the electronic structure and charge transfer in ferroelectric BaTiO_3 ^*

G. L. Zhao, D. Bagayoko, J. D. Fan, J. T. Wang (Department of Physics, Southern University and A amp; M College)

09:00 I24.04 Ab Initio Investigation of the Antiferrodistortive Phase Transition in SrTiO_3

Chris LaSota, Cheng-Zhang Wang, Rici Yu, Henry Krakauer (College of William and Mary)

09:12 I24.05 Theoretical Examination of Piezoelectricity in PbTiO_3 and PbZrO_3

Andrew M. Rappe, Nicholas J. Ramer, E. J. Mele (Departments of Chemistry and Physics, University of Pennsylvania)

09:24 I24.06 Ab initio study of BaTiO_3 surfaces.

Jorge Padilla, David Vanderbilt (Rutgers University)

09:36 I24.07 Electronic Structure, Relaxation, and Ferroelectricity in BaTiO_3 Slabs

R.E. Cohen (Carnegie Institution of Washington)

09:48 I24.08 Calculation of Born Effective Charges in Mixed Ionic/Covalent Materials: The Case of Alkaline--Earth Oxides.

M. Posternak, A. Baldereschi (IRRMA--Lausanne, Switzerland), R. Resta (U. of Trieste, Italy), H. Krakauer (College of William and Mary)

10:00 I24.09 Calculation of polarization using a self-consistent atomic deformation model

L. L. Boyer (Naval Research Laboratory), H. T. Stokes (Brigham Young University), M. J. Mehl (Naval Research Laboratory)

10:12 I24.10 An Assessment of Anharmonicity in Real Materials: A First Principles Study

D. C. Patton, M. R. Pederson, M. J. Mehl (Complex Systems Theory Branch, Naval Research Laboratory, Washington DC 20375), D. V. Porezag (Department of Physics, Chemnitz University of Technology, Chemnitz Germany)

10:24 I24.11 Chemical Ordering, Immiscibility, and Ferroelectricity in Lead Zirconate Titanate

G. Sághi-Szabó, R.E. Cohen (Carnegie Institution of Washington)

08:00 I25.01 Surfactant Stabilization of Ultrathin Ag films by a C60 Overlayer.

S. B. Arnason, A. F. Hebard (University of Florida)

08:12 I25.02 Comparison of the Interaction of C60 on Cu(111) and Ni(111) Surfaces

K.-D. Tsuei, J.-Y. Yuh (Synchrotron Radiation Research Center and National Tsin-Hua University), C.-T. Tseng (National Chiao-Tung University), R.-Y. Chu (National Tsin-Hua University, Hsinchu, Taiwan, R.O.C.)

08:24 I25.03 Surface Scattering and Charge Transfer on Gold Films Immersed in C60 Saturated Solutions -

K. T. McCarthy, S. B. Arnason, A. F. Hebard (University of Florida, Gainesville, FL 32611)

08:36 I25.04 STM-HREELS study of charge transfer from noble metal to C_60

O. Takaoka, C. Tindall, Y. Hasegawa (Institute for Materials Research, Tohoku University), H. Shinohara (Chemistry Department, Nagoya University), T. Sakurai (Institute for Materials Research, Tohoku University)

08:48 I25.05 Repositioning of C_60 molecules on surfaces at room temperature

M.T. Cuberes, R.R. Schlittler, J.K. Gimzewski (IBM Research Division, Zurich Research Laboratory, CH8803 Rueschlikon, Switzerland)

09:00 I25.06 A Carbon Phase that Graphitizes at Room Temperature

R.H. Baughman (AlliedSignal, Research amp; Technology, Morristown, NJ), A.Y. Liu (Dept.Physics,Georgetown University, Washington D.C.), C. Cui (AlliedSignal, Research amp; Technology, Morristown, NJ), P.G. Schields (Dept. of Earth and Space Sciences, State University of New York, Stony Brook, NY)

09:12 I25.07 Carbon Onions as Nanoscopic Pressure Cells for Diamond Formation

Florian Banhart (Max-Planck-Institut fuer Metallforschung, D-70569 Stuttgart, Germany)

09:48 I25.08 The Growth Mechanism of Inorganic Fullerene-like Ms_2 (M=Mo,W) from the Respective Trioxides

R. Tenne, Y. Feldman, G.L. Frey, M. Homyonfer, V. Lyakhovitskaya, L. Margulis, H. Cohen, G. Hodes, J.L. Hutchison (Weizmann Institute)

10:00 I25.09 Raman Scattering from Silicon Clathrates.

S. L. Fang, L. Grigorian, P. C. Eklund (Department of Physics, University of Kentucky)

10:12 I25.10 Structural Properties and Vibrational Modes of Si_34 and Si_46 Clathrates

Daniel Kahn, Jian ping Lu (Dept. of Physics and Astronomy, University of North Carolina at Chapel Hill)

10:24 I25.11 Synthesis and Characterization of Fullerene-like Ba_xGe_46 Clathrate Compounds

Otto Zhou (Uni. of North Carolina at Chapel Hill, Dept. of Physics and Astronomy and Curriculum of Materials Science, Chapel Hill, NC 27599-3255), Sadanori Kuroshima, Katsumi Tanigaki (NEC Fundamental Research Lab, Tsukuba, Japan), Kenji Ishii, Hiroyoshi Suematsu (Dept. of Phys., Uni. of Tokyo, Japan)

08:00 I26.01 Effect of Surface Polarity on Gallium Adsorption on 6H-SiC(0001) Surfaces: An STM Study

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

08:12 I26.02 An EPR Study of Near Surface Defects Associated with Thermally Treated SiC

P.J. Macfarlane, M.E. Zvanut (University of Alabama at Birmingham)

08:24 I26.03 Room Temperature Infrared Reflectane as a Characterization Tool for SiC Epi-film Layers Deposited on SiC Substrates

M.F. MacMillan, A. Henry, E. Janzén (Department of Physics and Measurement Technology, IFM, Linköping University, S-58183 Linköping Sweden)

08:36 I26.04 Oxidation of SiC

James A. Cooper (School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN)

09:12 I26.05 Theory of Si and C P_b Centers on the (111) Interfaces of the \beta-SiC-SiO_2 System.

W. Beall Fowler (Lehigh Univ.), Arthur H. Edwards (UNC-Charlotte)

09:24 I26.06 First Principles Simulation of Si-terminated \beta-SiC (001)-(2\times1) Surfaces

N. A. W. Holzwarth, Y. Zeng, A. R. Tackett, R. B. Dunning, G. Eric Matthews (Wake Forest University)

09:36 I26.07 Free Electron Laser Annealing of Ion Implanted 6H-SiC Films

H.O. Ohyama, T.S. Suzuki, K.N. Nishi, T.M. Mitsuyu, T.T. Tomimasu (FELI)

09:48 I26.08 EPR Determination of the Activation Energy for Impurity Conduction in 6H-SiC

G.J. Gerardi (William Paterson College), C.F. Young, E.H. Poindexter (Army Research Laboratory)

10:00 I26.09 Deep Level Trap Analysis of Ion Implanted n-type 6H-SiC by Double Correlated Deep Level Transient Spectroscopy

M.B. Scott, Y.K. Yeo, R.L. Hengehold (Air Force Institute of Technology, Wright-Patterson AFB, OH), J.D. Scofield (Wright Lab, Wright-Patterson AFB, OH)

10:12 I26.10 Numerical study of 6H-SiC thyristors

D.A. Khijniak, V.V. Mitin (Dept. Elect. Comp. Eng., Wayne State University)

I26.11 Temperature Dependence of Hall mobility of n-type SiC

X.M. Weng, H.L. Cui (Stevens Institute of Technology)

08:00 I27.01 Instabilities in Model Grain Piles I: Weak Dissipation and Robust Scaling:

Surajit Sen (Physics Dept., State Univ. of New York - Buffalo, NY 14260), Somnath Pal (Physics Dept., Penn. State Univ. - Univ. Park, PA 16802)

08:12 I27.02 Instabilities in Model Grain Piles II: Strong Dissipation and Fragile Scaling

Somnath Pal (Physics Dept., Penn. State Univ. - Univ. Park, PA 16802), Surajit Sen (Physics Dept., State Univ. of New York, Buffalo, NY 14260)

08:24 I27.03 Spectral Statistics of Global Avalanches along Granular Piles

Stefan J. Linz, Wolfgang Hager, Peter Hänggi (University of Augsburg, Dept. of Physics, Memminger Str. 6, D-86135 AUGSBURG, Germany)

08:36 I27.04 Avalanche Segregation of Granular Media Poured into a Hele-Shaw Cell

J. Kakalios, J. Koeppe, M. Enz (University of Minnesota)

08:48 I27.05 Stratification Mechanism in Granular Mixtures.

Hernan A. Makse, Pierre Cizeau, H. Eugene Stanley (Physics Dept., Boston University, Boston MA)

09:00 I27.06 Critical Dynamics of a Contact Line on a Heterogeneous Surface

Yiyong Zhou, Mark O. Robbins (Johns Hopkins University)

09:12 I27.07 Cluster Formation Due to Collisions in Driven Granular Material

Arshad Kudrolli (Haverford College, PA 19041)

09:48 I27.08 Bubble dynamics in a sheared monolayer foam

Michael Dennin, Charles M. Knobler (UCLA Department of Chemistry and Biochemistry)

10:00 I27.09 Effect of dissipation on avalanches in a two-dimensional sheared foam

Shubha Tewari, D.J. Durian (UCLA), Stephen A. Langer (NIST)

10:12 I27.10 Aging Avalanches

Stefan Boettcher (Center for Nonlinear Studies, Los Alamos National Laboratory), Maya Paczuski (Dept. of Physics, Niels Bohr Institute)

I27.11 The Effect of the Pinning Landscape on the Microscopic Properties of Superconducting Vortex Avalanches.

C.J. Olson, C. Reichhardt, F. Nori (Univ. of Michigan)

08:00 I28.01 Synthesis and Optical Properties of Si and Ge Nanocrystals in the Quantum Confinement Regime*

J. P. Wilcoxon, P. P. Newcomer, G. A. Samara (Sandia National Laboratories, Albuquerque, NM)

08:12 I28.02 Evidence of Quantum Size Effects in Synthetic Ge Nanocrystals

Gildardo Delgado (University of California-Davis), Howard Lee (Lawrence Livermore National Laboratory), Susan Kauzlarich, Boyd Taylor (University of California-Davis)

08:24 I28.03 Electronic Structure of Silicon Nanocrystals as a Function of Particle Size

T. W. H. van Buuren, L.N. Dinh, I. Jimenez, L.L. Chase, L.J. Terminello, J.A. Carlisle (Lawrence Livermore National Laboratory), T.A. Callcott, M. Grush, J.J. Jia (University of Tennessee), D.L. Ederer (Tulane University), F.J. Himpsel (University of Wisconsin, Madison)

08:36 I28.04 Optical Band Gap Distribution of Si Nanocrystals

Soumyendu Guha (Code 6651, Naval Research Laboratory, Washington DC 20375)

08:48 I28.05 Microstructure and Properties of Semiconductor Nanocrystals Formed by Ion Implantation

J. D. Budai, C. W. White, S. P. Withrow, R. A. Zuhr, J. G. Zhu (Oak Ridge National Laboratory)

09:00 I28.06 Ab initio electronic structure calculations of Si_12 and Si_13 clusters : comparison between fully relaxed structures and symmetry conserving structures

Haruki Eguchi (Research Institute, Ishikawajima-Harima Heavy industries Co., Ltd.), Kazuo Tsumuraya (School of science and engineering, Meiji university), Shigemitsu Kihara, Junnichi Hamanaka (Research Institute, Ishikawajima-Harima Heavy industries Co., Ltd.)

09:12 I28.07 Structural Trends of Small Silicon Clusters

K.M. Ho, B.C. Pan, J.G. Wacker, C.Z. Wang, D.E. Turner, D. Deaven (Ames Laboratory-U.S. DOE. and Dept. of Physics, Iowa State University, Ames, Iowa)

09:24 I28.08 A Bayesian approach to the classification and analysis of silicon clusters

Carl Carter-Schwendler, K. R. Subbaswamy (University of Kentucky)

09:36 I28.09 Water adsorption on silicon clusters, Si_n, and sodium doped silicon clusters, Si_nNa

Siqing Wei, Robert Barnett, Uzi Landman (School of Physics, Georgia Institute of Technology)

09:48 I28.10 Electronic Structure and Surface States of ZnO Clusters

Stefan Hollos, J. Richard Hollos (Exstrom Labs)

10:00 I28.11 In Situ X-ray Scattering and Luminescence Studies of Porous Silicon

Zeno Gaburro (UIC), Hoydoo You, Jo Ann Everhart, Zoltan Nagy (ANL), Davorin Babic (UIC)

10:12 I28.12 Nature of Isomeric Inter-Conversions in Cs_4Cl_3^-

C. Ashman, S.N. Khanna (Virginia Commonwealth University)

I28.13

08:00 I29.01 Bridging and Looping in Copolymer Melts

Michael Schick (University of Washington)

08:24 I29.02 Effect of Midblock-Associating Additives on Midblock Bridging in Triblock Copolymers

R.J. Spontak (North Carolina State University)

08:48 I29.03 POLYSOAPS: CONFIGURATIONS AND ELASTICITY

A. Halperin (ICSI/CNRS, 15 rue Jean Starcky 68057 Mulhouse, France)

09:12 I29.04 Not known at this time

Ilias Iliopoulos (Laboratoire de Physico-Chemie)

09:36 I29.05 Not known at this time

Jack Thibeault (Rohm and Haas Co.)

10:00 I29.06 Concentrated Solutions of Star Diblock Copolymers and Colloids with Grafted Polymers

Francisco J. Solis, Monica Olvera de la Cruz (Northwestern University)

10:12 I29.07 Lower Critical Ordering Transition in diblock copolymers of styrene and n-alkyl methacrylates

A.-V. Ruzette, A. M. Mayes (Department of Materials Science and Engineering, Massachusetts Institute of Technology), T. P. Russell, M. Pollard (Department of Polymer Science and Engineering, University of Massachusetts, Amherst), R. Dubois (Center for Education and Research on Macromolecules, University of Liege, Belgium)

10:24 I29.08 Stable Surfaces and Complex Morphologies in Semi-Fluorinated Block Copolymers.

Christopher K. Ober, Jianguo Wang, Guoping Mao, Edward J. Kramer (Materials Science & Engineering, Cornell University, Ithaca, NY 14853-1501)

10:36 I29.09 Dynamics of Electric Field-Induced Domain Alignment in Block Copolymer Thin Films

Y. Gallot (Institut Charles Sadron, Strasbourg, France), Paul Mansky, T.P. Russell (Department of Polymer Science and Engineering, University of Massachussetts, Amherst, MA), T. Morkved, H. Jaeger (Department of Physics and James Franck Institute, University of Chicago, Chicago, IL)

10:48 I29.10 A Study of Complex Formation between PAM and Triton X100

K. Yi Mya, A. Sirivat (Chulalongkorn University, Thailand)

08:24 I'30.01 X-ray Scattering Study of Molecular Orientation in a Thermotropic LCP Under Shear

V.M. Ugaz, W.R. Burghardt (Northwestern University)

08:36 I'30.02 Organo-Soluble Aromatic Polyimide Films with Optical Anisotropy and Complicated Relaxation Behaviors

F. Li, F.W. Harris, S.Z.D. Cheng (Maurice Morton Institute and Department of Polymer Science, The University of Akron, Akron, Ohio 44325-3909 USA)

08:48 I'30.03 Electrorheological Behavior of Liquid Crystal Polymers dissolved in Nematic Solvents

Yen-Ching Chiang (), Ning Yao, Alex M. Jamieson (Case Western Reserve University)

09:00 I'30.04 Origins of Defect Texture in Liquid Crystal Polymers

Janelle Gunther, Edwin L. Thomas (Massachusetts Institute of Technology)

09:12 I'30.05 Vitrified Liquid Crystalline Order in LC Thermoset films under Electric Fields.

H. Koerner, A. Shiota, C.K. Ober (Cornell University)

09:24 I'30.06 Microstructure of Hairy-Rod Polymers at the Air-Water Interface

B.T. Chien, S.A. Riou, Z. Su, S.L. Hsu (University of Massachusetts, Amherst)

09:36 I'30.07 Solvent Effects on the Flow of Lyotropic Polymers as Determined by Neutron Scattering

Mark D. Dadmun (Chemistry Department, University of Tennessee), Sudha Chidambaram (Chemistry Dept., University of Tennessee), William H. Hamilton, Paul Butler (Oak Ridge National Laboratory)

09:48 I'30.08 Toughening Thermoplastics with Thermotropic Liquid Crystal Polymers

Donald Wiff (Materials Directorate, Air Force Wright Laboratory, WL/MLPJ, Wright-Patterson AFB, OH 45433)

10:00 I'30.09 Deutron NMR Study of Spacer Flexibility Effects on Molecular Order in Nematic Melts of Semiflexible Polymers

M.H. Sherwood, D.Y. Yoon (IBM Almaden Research Center), A.D. Asandei, V. Percec (Case Western Reserve University)

10:12 I'30.10 Phase Diagrams of a Binary Smectic Liquid Crystal Mixture

Hao-Wen Chiu (), Thein Kyu (Institute of Polymer Engineering, University of Akron)

10:24 I'30.11 Translational and Rotational Diffusion of Tobacco Mosaic Virus in Semidilute Dextran Solutions

P.S. Russo, R.C. Cush, D. Neau, H. Ricks (Louisiana State University), Z. Kucukyavuz, S. Kucukyavuz (Middle East Technical University), Zimei Bu (Yale University)

10:36 I'30.12 Deformation of an Amorphous and Liquid Crystalline Epoxy-Based Thermoset

C. Ortiz, R. Kim, E. Rodighiero, E.J. Kramer, C.K. Ober (Cornell University)

10:48 I'30.13 Studies of Molecular Orientation and Order in Self-Assembled Semifluorinated n-Alkylthiols: Single and Dual Component Mixtures

John F. Rabolt, Mei-Wei Tsao (Materials Science Program, University of Delaware), Catherine L. Hoffmann (Charles Evans & Associates), Harry E. Johnson (3M Corporate Research), David G. Castner (Department of Chemical Engineering, University of Washington), Helmut Ringsdorf (University of Mainz, Germany)

08:24 I'31.01 Permeation of Solvent through Adsorbed Polymer Brushes

Yoon-Kyoung Cho, Ali Dhinojwala, Steve Granick (Univ. of Illinois at Urbana-Champaign)

08:36 I'31.02 Controlling the Interaction Between Two Polymer-Coated Surfaces

Anna C. Balazs, Galen T. Pickett, Chandralekha Singh (Department of Chemical and Petroleum Engineering, The University of Pittsburgh, Pittsburgh, PA 15261)

08:48 I'31.03 Monte Carlo Study of Layer Formation and Exchange Kinetics in Polymer Adsorption

Richard Zajac, Amitabha Chakrabarti (Kansas State University)

09:00 I'31.04 Competitive Adsorption Kinetics: Molecular Weight and Chain End Effects

Maria Santore (Department of Chemical Engineering Lehigh University)

09:12 I'31.05 Entropic Routes to Hydrophilic/Biocompatible Surfaces

A.M. Mayes, D.G. Walton, P.P. Soo (Department of Materials Science and Engineering, Massachusetts Institute of Technology), J.F. Ankner, H. Kaiser (Research Reactor Center, University of Missouri--Columbia), S.K. Satija (Reactor and Radiation Division, National Institute for Standards and Technology)

09:24 I'31.06 Morphology Control in LB Films from Mixed Monolayers of Difunctional Oligomers

Jeff Koberstein, Jerry Pickering (University of Connecticut)

09:36 I'31.07 Relaxation Behavior of Langmuir Films at the Air-Water Interface

S.A. Riou, S.L. Hsu (University of Massachusetts, Amherst)

09:48 I'31.08 Protein Interactions with Poly(ethylene glycol) Monolayers on Glass Surfaces

Zhihao Yang, Jeffrey A. Galloway, Hyuk Yu (Department of Chemistry, University of Wisconsin, Madison, WI)

10:00 I'31.09 Numerical Self-Consistent Field Study of Surface Pressure Effects in Adsorbed Polymer Layers

M.D. Baranowski, Whitmore (Memorial University of Newfoundland)

10:12 I'31.10 Adsorption of Diblock Copolymers at the Solid/Solution Interface

R.J. Composto (Materials Science and Engineering, and Laboratory for Research on the Structure of Matter, University of Pennsylvania, Philadelphia), P.C. Dreux, W.C. Forsman (Chemical Engineering, University of Pennsylvania, Philadelphia), D.T. Wu (DTW Associates, Inc.)

10:24 I'31.11 The Role of Copolymer Structure and Stiffness on the Adsorption Behavior Near a Hard Surface

Sudha Chidambaram (Chemistry Dept., University of Tennessee), Mark Dadmun (Chemistry Department, University of Tennessee)

10:36 I'31.12 Depth-Resolved Raman Spectroscopy of Thin Polymer Films

T.E. Furtak, N.H. Fontaine (Colorado School of Mines)

10:48 I'31.13 Studies of Surface Structures and Compositions of Polyethylene and Polypropylene by IR+Visible Sum Frequency Vibrational Spectroscopy

Dan Zhang, Gabor Somorjai (Dept. of Chemistry, University of California at Berkeley), Y. R. Shen (Dept. of Physics, University of California at Berkeley)

09:48 I'1.01 Single Crystal Studies of the Valence Transition in YbInCu_4 and Related Alloys and Compounds

Zachary Fisk (National High Magnetic Field Laboratory and Dept. of Physics, Florida State University)

10:24 I'1.02 Spin Dynamics and Valence in YbInCu4

Jon Lawrence (University of California-Irvine)