Program overview

MONDAY AFTERNOON, 20 MARCH 1995

C'32.01 15:06 A New Family of Anion Receptors and Their Effect on Ion Pair Dissociation and Conductivity of Lithium Salt in Non-aqueous Solutions

X.Q. Yang, H.S. Lee, J. McBreen (Brookhaven National Laboratory)

15:18 C'32.02 Conductivity and Structure of a Water-soluble Rigid-rod polyelectrolyte

S.J. Bai, T. Dang (Un. Dayton Research Inst.), F.E. Arnold and R.J. Spry (Wright Laboratory)

15:30 C'32.03 Conductive Molecular Composites by in situ Polymerization of Pyrrole in Sulfonated Polystyrene Ionomers

M.C. Dejesus, R.A. Weiss and F. Papadimitrakopoulos (U. Connecticut)

15:42 C'32.04 Triplet states in paraphenylene vinylene oligomers

Z. Shuai, D. Beljonne, J.L. Brédas (Université de Mons-Hainaut, Belgium), R.H. Friend (Cavendish Laboratory, United Kindom) and A.B. Saxena (Los Alamos National Laboratory, USA)

15:54 C'32.05 Temperature Dependence of the Pyroelectric Coefficient of PVF_2 ^*

R.W. Newsome Jr. and E.Y. Andrei (Rutgers University)

16:06 C'32.06 Electro-optic and Second Harmonic Generation Studies of Dye-Doped Thin Film Polymers

F. Ghebremichael and H. Lackritz (Prudue U.)

16:18 C'32.07 Pressure Dependence of the Relaxation of the Second Order Optical Susceptibility in Corona Poled Nonlinear Optical Polymers

L.M. Hayden and S. Brower (U. of Maryland Baltimore County)

16:30 C'32.08 Nonlinear Optical Characterization of Two-Dimensional Polydiacetylenes

K.E. Huggins, K.F. Stork, S. Son, P.W. Bohn and S.I. Stupp (U. Illinois)

16:42 C'32.09 Rotational Reorientation Dynamics of Chromophores in Polymers Measured by Techniques Sensitive to Different Moments of the Orientation Autocorrelation Function: A Birefringence Studies

J.C. Hooker, W.R. Burghardt and J.M. Torkelson (Northwestern U.)

16:54 C'32.10 Dielectric Relaxation and Second Harmonic Generation Studies of Nitroaniline in PMMA Host

H.W. Guan, M.A. Pauley and C.H. Wang (U. of Nebraska)

17:06 C'32.11 Optical Response of a Coherently Pumped Conjugated Polymer Chain

Franz X. Bronold and Alan R. Bishop (Los Alamos National Laboratory, T-11, MS B262, Los Alamos, NM 87545)

17:18 C'32.12 Thermal and Optical Degradation Effects in Poled Polymeric Films

Andrew Skumanich, John Thackara, Bob Miller and Mark Jurich (IBM Almaden Research Center, San Jose CA)

15:06 C'33.01 Molecular Packing Effects on the Entropy of Mixing

I.C. Sanchez, W.-C. Hu and K. Kirmse (U.Texas)

15:18 C'33.02 MD Simulation of Polymer Blends and Comparison with PRISM Theory

J.G. Curro (Sandia National Lab), ?C.S. Stevenson (NM Inst. Minning & Tech.) and S.J. Plimpton (Sandia National Lab)

15:30 name=S>C'33.03 Microscopic Solubility Parameter Theory of Polymer Blend Miscibility

K.S. Schweizer and C. Singh (U. Illinois)

15:42 C'33.04 Monte Carlo Simulation of Semi-Dilute and Concentrated Solution Random Copolymers

B.W. Swift and M. Olvera De La Cruz (Northwestern U.)

15:54 C'33.05 Mixtures of Long and Short Diblocks: Chain Conformation and Phase Separation

A.-C. Shi and J. Noolandi (Xerox Research Centre of Canada)

16:06 C'33.06 Stability and Instability in Block Copolymers.

Chuck YEUNG (Penn State Univ at Erie), Rashmi C. DESAI (Dept. of Physics, Uni. of Toronto), A.-C. SHI and ..Jaan NOOLANDI (Xerox Research Centre of Canada)

16:18 C'33.07 Stabilizing New Morphologies by Blending Homopolymer with Copolymer

M.W. Matsen (U. Minnesota)

16:30 C'33.08 Bicontinous Phases in Diblock Copolymer Melts with Added Homopolymer

H. Xi and S.T. Milner (Exxon)

16:42 C'33.09 Composition Fluctuation Effects in Chain Copolymerization

G.H. Fredrickson (U. California at Santa Barbara) and L. Leibler (ESPCI)

16:54 C'33.10 Anisotropic Fluctuations in Block Copolymer Melts

I.W. Hamley (University of Durham, U.K.)

17:06 C'33.11 Spinodal Decomposition in Chemically Reacting Mixtures

S.C. Glotzer, C. Castellano, E.A. Di Marzio (NIST) and M. Muthukumar (U. Mass.)

Session C03. Future Directions of the Semiconductor Industry: The Role of Physics.

14:30 C03.01 Implications of the National Technology Roadmap for Semiconductors -1994

Thomas E. Seidel (SEMATECH)

15:06 C03.02 Lithography Challenges for the Giga-Chip Era

Gene Fuller (Texas Instruments)

15:42 C03.03 Challenges and Needs in Materials and Bulk Processes for Intergrated Circuits in the Next Decade.

A.F. Tasch (University of Texas at Austin)

16:18 C03.04 Physical and Electrical Limitations of the High Density Interconnects

Dirk Bartelink (Hewlett-Packard Laboratories)

14:30 C04.01 Title to be announced

Maurice Kleman (Universite Pierre et Marie Curie)

15:06 C04.02 Dislocations in Smectic-C Liquid Crystals and the TGB_C Phase

Tom Lubensky (Dept. of Physics and Laboratory for Research in the Structure of Matter, Univ. of Pennsylvania)

15:42 C04.03 Lattice Gauge Theory of Topological Defects in Nematic Liquid Crystals

John Toner (IBM Research Division, T. J. Watson Research Center)

16:18 C04.04 Defects and Patterns in Langmuir Nematic Liquid Crystals

O.D. Lavrentovich (Liquid Crystal Institute, Kent State University, Kent OH 44242)

16:54 C04.05 Coarsening Dynamics in Nematic Liquid Crystals

Bernard Yurke (AT&T Bell Laboratories)

14:30 C05.01 High-T_cSQUID Physics and Applications

John Clarke (University of California, Berkeley and Lawrence Berkeley Laboratory)

15:06 C05.02 Superconducting Accelerometers, Gravitational-Wave Transducers, and Gravity Gradiometers

H.J. Paik (University of Maryland, College Park)

15:42 C05.03 Using the Josephson Effect for High Precision Measurements to Probe Fundamental Problems

James Lukens (State University of New York at Stony Brook)

16:18 C05.04 Limits to Measurement Accuracy in Josephson Circuits and Josephson-Like Effects in Quantum Wells and Superlattices

D. H. Dunlap (University of New Mexico)

14:30 C06.01 1995 Herbert P. Broida Prize Lecture

Ahmed Zewail (Caltech)

15:06 C06.02 Plyler Prize Lecture: Spectroscopy in the Study of the Dynamics of Chemical Reactions

James L. Kinsey (Rice University, Houston, TX 77251)

15:42 C06.03 Light Scattering Spectroscopy: With Applications to Fundamental Problems in Physics, Chemistry, Biology and Engineering

George B. Benedek (Dept. of Physics and Center for Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139.)

14:30 C07.01 Spin Glass Model with Dimension-Dependent Ground State Multiplicity

D.L. Stein (University of Arizona, Tucson, AZ 85721)

15:06 C07.02 Ising Spin Glass Order in Vector Spin Glasses with Random Anisotropy

Michel Gingras (TRIUMF, Vancouver, CANADA)

14:30 C08.02 Particle Discrimination Based on Simultaneous Phonon & Ionization Detection.

B. Sadoulet (UC Berkeley)

15:06 C08.03 Can a Culture Change? The "In Balance" Program at the Center for Particle Astrophysics

Peter Barnes (University of California-Berkeley)

15:42 C08.3 Can a Culture Change? The "In Balance" Program at the Center for Particle Astrophysics

Thomas Shutt (University of California-Berkeley)

16:18 C08.04 Can a Culture Change? The "In Balance" Program at the Center for Particle Astrophysics

Christopher Stubbs (University of Washington)

14:30 C11.01 Flux Line Lock-in Transition in Two Dimensions.

M. A. Itzler and M. Tinkham (Harvard University)

14:42 C11.02 Numerical study of phase-locking mechanisms in 2D Josephson arrays

C. B. Whan, A. B. Cawthorne and C. J. Lobb (CSR-Dept. of Phys., Univ. of Maryland)

14:54 C11.03 Synchronization and Coherence in a Disordered Plaquette of Josephson Junctions

A.S. Landsberg, Y. Braiman and K. Wiesenfeld (School of Physics, Georgia Institute of Technology, Atlanta Georgia 30332)

15:06 C11.04 Disorder-Enhanced Synchronization

Y. Braiman, W.L. Ditto, K. Wiesenfeld (School of Physics, Georgia Institute of Technology, Atlanta Georgia 30332) and M. Spano (Naval Surface Warfare Center, 10901 New Hampshire Ave, Silver Spring, MD 20903)

15:18 C11.05 Giant subharmonic Shapiro steps in underdamped Josephson junction arrays

T.J. Hagenaars, J.E. van Himbergen, P.H.E. Tiesinga (Instituut voor Theoretische Fysica, Utrecht, The Netherlands) and Jorge V. José (Northeastern University, Boston, MA, USA.)

15:30 C11.06 Subharmonic Shapiro steps induced by vortex interactions in ac driven Josephson junction arrays

P.H.E. Tiesinga, T.J. Hagenaars, J.E. van Himbergen (Instituut voor Theoretische Fysica, Utrecht, The Netherlands) and Jorge V. José (Northeastern University, Boston, MA, USA.)

15:42 C11.07 Frequency Dependence of Giant Shapiro Steps in Site-Disordered Proximity-Coupled Josephson Junction Arrays

L.B. GÓMEZ, K. RAVINDRAN, P. LUKENS, S.T. HERBERT, R.S. NEWROCK and D.B. MAST (University of Cincinnati)

15:54 C11.08 Sub-harmonic Giant Shapiro Steps in Spacially Modulated Josephson Junction Arrays in Zero Magnetic Field

Peter C. Lukens, J. Mikalopas, D. B. Mast, F. J. Pinski and R. S. Newrock (University of Cincinnati)

16:06 C11.09 Possible Origins of Sub-harmonic Giant Shapiro Steps in Spacially Modulated Josephson Junction Arrays in Zero Magnetic Field

John Mikalopas, P. C. Lukens , D. B. Mast, F. J. Pinski and R. S. Newrock (University of Cincinnati)

16:18 C11.10 Excess Noise with 1/f^1/2 Spectrum in Nb-A1/A1O_x-Nb Squids

I. Jin, A. Amar, D. Song and F.C. Wellstood (Center for Superconductivity Research,Univ. of Maryland)

16:30 C11.11 Microwave Power Dependence of YBa_2Cu_3O_7-x Thin-Film Josephson Edge Junctions.

D. E. Oates (MIT Lincoln Laboratory), P.P. Nguyen, Y. Habib (MIT Lincoln Laboratory, Rome Laboratory), G. Dresselhaus, G. Dresselhaus (MIT, Cambridge, MA.), G. Koren and E. Polturak (Technion, Haifa, Israel)

16:42 C11.12 Magnetic Field Characterization of Critical Current Densities in Superconducting Weak Links

D. Hogenboom, A. Widom and C. Vittoria (Northeastern University, Boston)

16:54 C11.13 Finite size effects and vortex penetration in small Josephson junctions.

Gabriele F. Giuliani and Mikhail Fistul (Purdue U.)

17:06 C11.14 Absence of the Kosterlitz-Thouless Transition in Two-Dimensional Josephson Junction Arrays

S.T. HERBERT, YOUNGHA JUN, D.B. MAST, R.S. NEWROCK (U. of Cincinnati) and C.J. LOBB (U. of Maryland)

17:18 C11.15 Strong Temperature Dependence of the Tunneling Characteristics of High-T_c Intrinsic Josephson Junctions^*.-

A. Yurgens, D. Winkler, T. Claeson (Chalmers University of Technology, S41296, Göteborg, Sweden) and N.V. Zavaritsky (P.L.Kapitza Institute, Kosygina 2, Moscow, Russia.)

14:30 C12.01 LDA Energy Bands and Few-Band Hamiltonians for HTSC's

Ole Krogh Andersen (MPI fuer Festkoerperforschung)

15:06 C12.02 Intermetallic Borocarbides: Can We Expect Much Higher T_c in This Class?

W. E. Pickett and D. J. Singh (Naval Research Laboratory, Washington DC 20375)

15:18 C12.03 Structural Modulations in Bismuth Cuprates: Strong Effects on Electronic Structure

David J. Singh and Warren E. Pickett (Naval Research Laboratory)

15:30 C12.04 Electronic Band Properties and Superconductivity in the La_3Ni_2B_2N_3 Intermetallics

L.F. MATTHEISS (AT&T Bell Laboratories, Murray Hill, NJ)

15:42 C12.05 Superconductivity in cubic NbN: are ordered vacancies responsible for elevated T_c?

E.C. Ethridge, S.C. Erwin and W.E. Pickett (Naval Research Laboratory, Washington DC 20375)

15:54 C12.06 Structural Anomalies and Time-Dependent Double-Well Potentials in High-Temperature Superconductors

A. Bussmann-Holder (Max-Planck-Institut, Stuttgart, Germany) and A. R. Bishop (Los Alamos National Laboratory)

16:06 C12.07 Defect structures in "infinite layer" cuprate superconductors: a new model

Tao, Shizhong, Hans-Ude and Nissen, Monnier, Rene (Laboratorium fuer Festkoerperphysik,ETH, Zuerich, Switzerland;), Sandro and Massidda*, Pascale, Teresa (U. of Cagliari, Italy;) and Continenza, Alessandra (U. of L'Aquila, Italy.)

16:18 C12.08 Zone-Center Phonons and Electron-Phonon Coupling Strength in Sr_0.86Nd_0.14CuO_2.

Matthew Coffey and Henry Krakauer (College of William and Mary)

16:30 C12.09 ELECTRONIC, STRUCTURAL AND LATTICE DYNAMICAL STUDY OF INTERMETALLIC SUPERCONDUCTORS.

Ruben Weht (Depto de F\'{\i}sica, CNEA, Avda Libertador 8250, 1429 Buenos Aires, Argentina), Osvaldo Cappannini, C. Osvaldo Rodriguez (IFLYSIB, Grupo de F\'{\i}sica del Sólido, C.C.565, La Plata and N.E. Christensen (Institute of Physics and Astronomy, Aarhus University, DK-8000 Aarhus C, Denmark)

16:42 C12.10 FIRST PRINCIPLES STUDY OF SURFACE EFFECTS ON THE ELECTRONIC STRUCTURE OF Bi_2Sr_2CuO_6 (Bi-2201). DESCRIPTION OF THE COPPER-OXYGEN BANDS CLOSE TO THE FERMI ENERGY.

C. Osvaldo Rodriguez (IFLYSIB, Grupo de F\'{\i}sica del Sólido, C.C.565, La Plata , Ruben Weht, Mariana Weissmann (Dto. F\'{\i}sica, CNEA, Avda Libertador 8250, 1429 Buenos Aires, Argentina) and N.E. Christensen (Institute of Physics and Astronomy, Aarhus University, DK-8000 Aarhus C, Denmark)

16:54 C12.11 Coupling of the ionic motions with the electronic structure in the YBa_2Cu_3O_7 high T_c superconductor

Sabina Ruiz, Pablo Mora (Fac. de Ciencias, UNAM, México), Miguel Castro and Jaime Keller (Fac. de Qu\'{\i}mica, UNAM, México)

17:06 C12.12 Location of Negative Muon in La_2CuO_4 in \muSR Experiments.

SUDHA SRINIVAS, S.B. SULAIMAN, N. SAHOO, T.P. DAS (State University of New York at Albany), E. TORIKAI (Yamanashi University, Kofu and K. NAGAMINE (University of Tokyo, Tokyo

17:18 C12.13 Angle-resolved photoemission studies of Bi2212-Symmetry of the order parameter and low energy excitations.

D.S. Dessau, Z.-X. Shen, D. Marshall, D.M. King, W.E. Spicer (Solid State Electronics Labs and Stanford Synchrotron Radiation Laboratory, Stanford University, Stanford CA), L.W. Lombardo and A. Kapitulnik (Stanford University, Stanford, CA)

C12.14 Observation of the Fermi Surface and a van Hove singularity in Bi_2Sr_2CuO_x.

D.M. King, Z.-X. SHEN, D.S. DESSAU, D.S. MARSHALL, C.H. PARK, W.E. SPICER (Stanford University), J.L. PENG, Z.Y. LI and R.L. GREENE (University of Maryland)

C12.15 Electonic structures and magnetic properties of the transitionmetal intermetallic compounds.

C.-H. PARK, A.G. Loeser, Z.-X. SHEN (Department of Applied Physics, Stanford University), C. Kim, P. PIANETTA (Stanford Synchrotron Radiation Laboratory), P. Cantfield (Ames Laboratory, Iowa State University), Z. Fisk (Los Alamos National Laboratory), H.-J. Lin and C.T. Chen (AT&T Bell Laboratories)

14:30 C13.01 Hall Effects of Bi_2Sr_2CaCu_2O_8+\delta Single Crystals with Different Hole Concentrations

J. H. Cho, M. P. Maley and L. N. Bulaevskii (Los Alamos National Laboratory)

14:42 C13.02 The Influence of Photoinduced Doping on the Hall Effect of High-Tc Thin Films

Joel Hasen, D. Lederman, Ivan K. Schuller (Physics Dept., UC San Diego), J. I. Martin, M. Velez, J. L. Vicent (Dept. Fisica Materiales, Univ. Complutense, Spain) and Y. Bruynseraede (Katholieke Univ. Leuven, Belgium)

14:54 C13.03 Anisotropic scattering and the temperature-dependent Hall effect in copper-oxide superconductors

Vincent H. Crespi and Marvin L. Cohen (Dept. of Physics, University of California at Berkeley and Lawrence Berkeley Laboratory)

15:06 C13.04 Normal State Magneto-Transport Properties of Y123 and Pr123 Crystals

M.S. Osofsky, V.M. Browning, E.F. Skelton, R.J. Soulen, Jr. (Naval Research Laboratory), S. Gauthier, F. Dosseul (Service National Des Champs Magnetique Pulses) and T.A. Vanderah (National Institutes of Science and Technology)

15:18 C13.05 Magnetoresistance of superconducting thin films of the electron-doped compound Nd\boldmath \bf_\,1.85\,Ce\bf_\,0.15\,Cu\,O\bf_4-\rmy\unboldmath

J. Herr\-mann, M. C. Andrade, C. C. Almasan, M. B. Maple (University} of California, San Diego), Wu Jiang, S. Mao and R. L. Greene (University of Maryland at College Park)

15:30 C13.06 Transport properties in Ce-overdoped Nd_1.78Ce_0.22CuO_4 films with varying oxygen content

X. Q. Xu, S. N. Mao, Wu Jiang, J. L. Peng, Z. Y. Li and R. L. Greene (Center for Superconductivity Research, Department of Physics, University of Maryland, College Park, MD 20742)

15:42 C13.07 Transport Properties of Single Crystal HgBa_2Ca_2Cu_3O_8+\delta

A. Carrington, Y. Dumont, C. Ayache (CEA, Département de Recherche Fondamentale sur la Matière Condensée, SPSMS/LCP, 38054 Grenoble cedex 9, France.), D. Colson, A. Bertinotti and J.F. Marucco (CEA, Service de Physique de l'Etat Condensée, Centre d'Etudes de Saclay, Orme des Merisiers, 91191 Gif dur Yvette cedex, France.)

15:54 C13.08 Nearly Antiferromagnetic Fermi Liquid Theory of the Anomalous Hall Effect in Oxide Superconductors.

Branko P. Stojkovi\'c and David Pines (University of Illinois)

16:06 C13.09 Pressure Dependent, Anisotropic, Magnetoresistance of HoNi_2B_2C.

Y. Uwatoko, T. Ishii, G. Oomi (University of Kumamoto), P. C. Canfield and B. K. Cho (Ames Laboratory and Iowa State University, Ames, IA 50011)

16:18 C13.10 Normal State Magnetoresistance in Overdoped Tl_2Ba_2CuO_6+\delta

N.E. Hussey, A. Carrington, J.R. Cooper, C.T. Lin and A.P. Mackenzie (Interdisciplinary Research Centre in Superconductivity, University of Cambridge, Madingley Road, Cambridge CB3 0HE, United Kingdom)

16:30 C13.11 Out of Plane Hall Effect of Overdoped Tl_2Ba_2CuO_6 and Underdoped YBa_2Cu_3O_7-\delta

P.S.I.P.N. Silva, C.T. Lin, A.P. Mackenzie and J.R. Cooper (Interdisciplinary Research Centre in Superconductivity, University of Cambridge, Madingley Road, Cambridge CB3 0HE, United Kingdom)

16:42 C13.12 Electrical and Magneto-Transport in the Normal State and Superconducting State of Epitaxial Thin Films of YBa_2Cu_3-xM_xO_7-\delta

M. Rajeswari (Department of Engineering and Technology, University of District of Columbia, Washington, D.C. 20008), D.D. Choughule, S.B. Ogale (Department of Physics, Univ. of Poona, Pune, India), P. Warburton, E.A. Wood, S. Lakeou (Department of Engineering and Technology, University of District of Columbia, Washington, D.C. 20008) and T. Venkatesan (Department of Physics, Univ. of Maryland, College Park, MD 20742)

16:54 C13.13 Scattering mechanism in La_2CuO_4

C. Y. Chen, Chin-Sung Bae, E. C. Branlund, Y. N. Yang (Harvey Mudd College), A. Cassanho, R. J. Birgeneau and M. A. Kastner (M.I.T.)

17:06 C13.14 In-plane Normal State Transport Properties of the New Magnetic Superconducting Borocarbides, RNi_2B_2C (R=Y,Ho,Er,Tm)

K.D.D. Rathnayaka, A.K. Bhatnagar, D.G. Naugle (Texas A&M University), P.C. Canfield and B.K. Cho (Ames Laboratory)

14:30 C14.01 Photoluminescence Investigations of Unusual Optical Properties of Ordered Ga_0.52In_0.48P.

COLIN INGLEFIELD, M. C. DELONG, P. C. TAYLOR (Dept. of Phys., Univ. of Utah), L. C. SU, I. H. HO, G. B. STRINGFELLOW (Dept. of Mat. Sci. and Eng., Univ. of Utah), K. A. BERTNESS and J. M. OLSON (NREL)

14:42 C14.02 Optical Transitions and their pressure dependence in ordered Ga0.5In0.5P,

SU-HUAI WEI, A. FRANCESCHETTI and ALEX ZUNGER (National Renewable Energy Laboratory, Golden,CO 80401)

14:54 C14.03 Electron and hole effective masses in ordered GaInP_2

YONG ZHANG, A. MASCARENHAS, A. FRANCESCHETTI, S.-H. WEI and A. ZUNGER (National Renewable Energy Laboratory, Golden, CO 80401)

15:06 C14.04 NMR Studies of Partially Ordered and Disordered Ga_0.5In_0.5P.*

D. MAO, P.C. TAYLOR (Dept. of phys., Univ. of Utah,), SARAH R. KURTZ (NREL,) and M.C. WU (National Tsing Hua Univ.)

15:18 C14.05 Raman scattering from coupled phonon-plasmon modes in n-GaInP

Kislay Sinha, Angelo Mascarenhas, Sarah R. Kurtz and Jerry M. Olson (National Renewable Energy Laboratory, Golden, CO)

15:30 C14.06 Direct-Indirect Crossover in Disordered In_xGa_1-xP Alloys

L.P. Fu, G.D. Gilliland (Emory University, Physics Dept.), H.P. Lee and H. Hjalmarson (Sandia National Laboratories)

15:42 C14.07 Type-II \rightarrow Type-I transition in (GaP)_n/(InP)_n (001) superlattices as a function of period n ^*

Alberto Franceschetti, Su-Huai Wei and Alex Zunger (National Renewable Energy Laboratory, Golden, CO 80401)

15:54 C14.08 Band Line-Ups and Quenching in GaInP-Based Visible Optoelectronic Structures by High Pressure Photoluminescence Spectroscopy

B.A. Weinstein, T.M. Ritter (SUNY at Buffalo), R.Enrique Viturro (Xerox-WCRT) and D.P. Bour (Xerox-PARC)

16:06 C14.09 Broadband Light-Emitting Diodes from Multiple Quantum Wells with InGaAIAs Materials

I.J. FRITZ, J.F. KLEM, M. HAFICH, H.P. HJALMARSON and A.J. HOWARD (Sandia National Labs. New Mexico)

16:18 C14:10 Urbach rule optical absorption in CdZnTe

A. J. Syllaios and P.-K. Liao (Corporate Research & Development, Texas Instruments, Dallas, Texas)

16:30 C14:11 Effect of Magnetic Field on CdS and CdTe Thin Film Growth and Properties*

M. Shao, A. Compaan, C. Tabory, A. Fischer and Z. Feng (Dept. of Physics and Astronomy, Univ. of Toledo)

16:42 C14.12 Blue-Green Vertical Cavity Surface Emitting Lasers by Optical Pumping in ZnSe-based Heterostructures.

H. JEON, V. KOZLOV, P. KELKAR, A.V. NURMIKKO (Brown University.,), D.C. GRILLO, J. HAN, M. RINGLE and R.L. GUNSHOR (Purdue University)

16:54 C14.13 Synchrotron Measurements of the Debye-Waller factor in the Superlattice GaAs/AlAs

Ji Zhang (Purdue Univ.) and J. Mullen (Purdue Univ.)

17:06 C14.14 Distributed Bragg Reflection Laser Fabricated by\break Focused Ion Beam Implantation.

X. L. Cao, A. J. Steckl, P. Chen, H. E. Jackson, M. Kumar and J. T. Boyd (University of Cincinnati)

17:18 C14.15 Observation of Surface Optical Phonon by Time-resolved Second-Harmonic generation

Yu-Ming Chang, Li Xu and Harry W.K. Tom (Department of Physics, University of California, Riverside, CA 92521)

14:30 C15.01 BEEM Measurements of SiC Schottky Barriers

S. J. Manion, L. D. Bell, W. J. Kaiser and M. H. Hecht (Jet Propulsion Laboratory, California Institute of Technology)

14:42 C15.02 Single Crystal GaN Surfaces Characterized By Scanning Tunneling Microscopy in UHV*.

WILLIAM E. PACKARD and JOHN D. DOW (Arizona State University, Tempe, AZ 85287)

14:54 C15.03 Ab Initio Studies of the Initial Stages of GaN Growth on SiC

R. B. Capaz, H. Lim and J. D. Joannopoulos (Dept. of Physics, MIT)

15:06 C15.04 Surface Structures of \alpha-SiC(0001) and Ti/SiC(0001)

L. LI, Y. WEI and I.S.T. TSONG (Arizona State University)

15:18 C15.05 Surface Morphology of Chemically Etched \alpha-SiC(0001) Substrates

J.L. EDWARDS, Y. HONG, L. LI and I.S. TSONG (Arizona State University)

15:30 C15.06 Ab initio Study of GaN Surfaces

Z. Zhang, B. Chen and J. Bernholc (Dept. of Phys., N.C. State Univ., Raleigh, NC.)

15:42 C15.07 Energetics of (2 x 2) reconstructed GaN (0001) surfaces.

Jörg Neugebauer, John E. Northrup and Chris G. Van de Walle (Xerox Palo Alto Research Center, 3333 Coyote Hill Road, Palo Alto, California 94304)

15:54 C15.08 Structures and electron affinity of AlN surfaces

B. Chen, Z. Zhang and J. Bernholc (Dept. of Phys. N.C. State University.)

16:06 C15.09 Investigation of the effect of electron exposure on the CVD diamond surface using Auger Electron Spectroscopy

I.L. Krainsky (NASA Lewis Research Center), G.T. Mearini (National Research Council) and J.A. Dayton, Jr. (NASA Lewis Research Center)

16:18 C15.10 Dielectric Phase Transitions of Polar Molecules Physisorbed on Ionic Crystals Using a BEG Spin-1 Ising Model

JR Dennison (Utah State Un.) and T.E. Burns (Universitat des Sarlandes)

16:30 C15.11 Ab initio studies of tetrahedral amorphous carbon (ta-C) surfaces.

David Drabold, Jianjun Dong and Dominic Alfonso (Ohio University, Athens, OH)

14:30 C16.01 Biaxial Stress Experiment on UPt_3

D.S. Jin, T.F. Rosenbaum (University of Chicago) and B. Ellman (McGill University)

14:42 C16.02 High Field Ultrasonic Studies on the Heavy Fermion State of UPt_3

B.K. Sarma, M. Levy (Univ. of Wisconsin-Milwaukee), S.-W. Lin, J.B. Ketterson (Northwestern Univ.), I. Kouroudis, B. Luthi (Univ. of Frankfurt, Germany), A.G.M. Jansen and P. Wyder (Max Planck Inst. Für Festkörperforschung, Grenoble, France)

14:54 C16.03 Microwave Measurements on Heavy Fermion Superconductor UPt_3 and UBe_13

S.-W. Lin, D. Wu, J.B. Ketterson (Northwestern Univ.), B.K. Sarma (Univ. of Wisconsin-Milwaukee) and G.R. Stewart (Univ. of Florida)

15:06 C16.04 Inductive Response of Single Crystals of UPt_3 in Magnetic Fields*

P.J.C. Signore, M.W. Meisel (University of Florida - Department of Physics) and Z. Fisk (Los Alamos National Laboratory)

15:18 C16.05 Suppression of the Antiferromagnetic Moment in Superconducting UPt_3

C.A. Burns (Western Michigan U.), C.L. Broholm (The Johns Hopkins U.), E.D. Isaacs, G. Aeppli, A.P. Ramirez, E. Bucher, N. Stucheli (AT&T Bell Labs), P. Zschack (Oak Ridge Institute for Science and Education) and R.W. Erwin (National Insititute for Science and Technology)

15:30 C16.06 Unconventional Superconductivity in UPt_3: An Example of a Staggered Order Parameter?^*

Rolf Heid, Yaroslaw B. Bazaliy, Viktor Martisovits and Daniel L. Cox (The Ohio State University)

15:42 C16.07 Phase Diagram of UPt_3 in the E_1g Model

K. A. Park and Robert Joynt (University of Wisconsin - Madison)

15:54 C16.08 Ginzburg Landau Model for the Heavy Fermion Superconductor UPt_3

D.F. Agterberg and M.B. Walker (University of Toronto)

16:06 C16.09 Theory of the Hexagonal Anisotropy of H_c2 in UPt_3

J. A. Sauls (Northwestern University)

16:18 C16.10 Unconventional vortex dynamics in UPt_3

A. C. Mota, A. Amann, P. Visani, K. Aupke (ETH--Zürich), M. B. Maple, Y. Dalichaouch (UCSD La Jolla), P. E. Armstrong and Z. Fisk (Los Alamos Nat. Lab.)

16:30 C16.11 Unusual Superconductivity in UBe13?

G.R. STEWART (University of Augsburg) and J.S. KIM\ast (University of Florida)

16:42 C16.12 Magnetic Correlations in the Superconducting State of UBe_12.89B_0.11

R.H. Heffner, L.P. Le, R. Movshovich, J.D. Thompson (LANL, Los Alamos, NM), A. Amato, F.N. Gygax, H.R. Ott, A. Schenck (ETH/PSI, Villigen, Switzerland), G.R. Stewart, J.S. Kim (U.Florida, Gainesville, FL) and D.E. MacLaughlin (UC Riverside,CA)

16:54 C16.13 Altered flux trapping in the lower superconducting state of thoriated UBe_13

R.J. Zieve, T.F. Rosenbaum (U. Chicago), J.S. Kim, G.R. Stewart (U. Florida) and M. Sigrist (MIT)

17:06 C16.14 ANOMALOUS MAGNETIC TORQUE IN THORIATED UBe_13.

G. M. Schmiedeshoff (Occidental College) and J. L. Smith (Los Alamos National Laboratory)

17:18 C16.15 A Reexamination of the Heavy Fermion Superconductor UPt_3.

A.B. ANDREWS, J.J. JOYCE, A.J. ARKO (Los Alamos National Lab) and B. MAPLE (U.C. San Diego)

14:30 C17.01 Localization and Transport in Nano-Quantum-Wires

Sankar Das Sarma (University of Maryland) and Dongzi Liu (University of Chicago)

14:42 C17.02 Nonequilibrium Phonon Drag in Quantum Wires

G. Paulavicius, R. Mickevicius, V. Mitin, V. Kochelap (Wayne State University, Detroit), M. A. Stroscio and G. J. Iafrate (ARO)

14:54 C17.03 Radiation of Nonequilibrium Acoustic Phonons from Quantum Wires

R. Mickevicius, V. Mitin, V. Kochelap (Wayne State University, Detroit), M. A. Stroscio and G. J. Iafrate (ARO)

15:06 C17.04 Electron--Acoustic-Phonon Interaction in Cylindrical Quantum Wires

SeGi Yu, K.\ W.\ Kim (Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC 27695-7911) and Michael A.\ Stroscio (U.\ S.\ Army Research Office, P.\ O.\ Box 12211, Research Triangle Park, NC 27709-2211)

15:18 C17.05 Resonant Coulomb screening of charging of a localized state

V. Ponomarenko (A.F.Ioffe Physical Technical Institute, St.Petersburg)

15:30 C17.06 Plasmons in a Single Spatially Modulated Quasi-One Dimensional Quantum Wire

M. DEL CASTILLO-MUSSOT (IFUNAM-Mexico), W.L. MOCHAN (Lab. Cuernavaca IFUNAM-Mexico) and B. MENDOZA (CIO-Leon Mexico)

15:42 C17.07 Collapse of Quantized Conductance in a Mesoscopic Tomonaga-Luttinger Liquid

Masao Ogata (Institute of Physics, University of Tokyo) and Hidetoshi Fukuyama (Department of Physics, University of Tokyo)

15:54 C17.08 Anisotropic absorption of far infra-red radiation by photoexcited carriers in quantum wires

J. Cerne, M.S. Sherwin (Physics Department and Center for Free-Electron Laser Studies, University of California, Santa Barbara), H. Akiyama, T. Someya, S. Koshiba and H. Sakaki (JRDC and University of Tokyo)

16:06 C17.09 Maximum density droplet on quantum strips^*

Roxanne Brown and M.D. Johnson (University of Central Florida, Orlando, FL)

16:18 C17.10 Manipulating Artifical Impurities in Quantum Wires.

Andy Sachrajda, Yang Feng, Charles Gould, Kelvin Leung, Andre Delage, Peter Coleridge and Paul Kelly (National Research Council, Ottawa, Canada.)

16:30 C17.11 Surface Coupling Effects of Acoustic Phonons in Nano-Scale Wires with Stress-Free Surfaces

Steven Patamia and Pradeep Kumar (University of Florida)

16:42 C17.12 Persistent currents in multichannel interacting systems.

G. Bouzerar and D. Poilblanc (Laboratoire de Physique Quantique, Université Paul Sabatier, 31062 Toulouse, France)

14:30 C18.01 Scattering of second sound by quantum vorticity in superfluid Helium

Fernando Lund (Departamento de F\'\i sica, Universidad de Chile, Santiago, Chile) and Victor Steinberg (Department of Physics, Weizmann Institute of Science, Rehovot, 76100, Israel)

14:42 C18.02 A New Vortex Phase Near the \lambda-transition of ^4He

Feng-Chuan Liu and Guenter Ahlers (Department of Physics and CNLS, UC Santa Barbara)

14:54 C18.03 Classic and quantum behavior of quantized vortices in superfluid helium films on a substrate.

C. Wexler and D. J. Thouless (Univ. of Washington)

15:06 C18.04 Vortex Configurations in a Freely Rotating Superfluid Drop

G. H. Bauer, R. J. Donnelly (University of Oregon) and W. F. Vinen (University of Birmingham)

15:18 C18.05 A Rigorous Test of the Thermal Activation Model for the Nucleation of Phase-Slip Vortices in Superfluid ^4He

Jeff Steinhauer, Keith Schwab, Yury M. Mukharsky, James C. Davis and Richard E. Packard (University of California, Berkeley)

15:30 C18.06 Vortex Core Size in Thin Superfluid ^4He Films

G. A. Williams and H. Cho (University of California, Los Angeles)

15:42 C18.07 ODLRO vs. Superfluidity in Disordered Boson Systems

Michael Ma (University of Cincinnati), Pornthep Nisamaneephong (Mahidol University, Thailand) and Lizeng Zhang (University of Tennessee)

15:54 C18.08 The pressure dependence of the quantum-tunneling critical velocity in He-II.

Yury M. Mukharsky, Keith Schwab, James C. Davis, Jeff Steinhauer and Richard E. Packard (University of California, Berkeley)

16:06 C18.09 Fabrication and Performance of a Microfabricated Superfluid Oscillator

Keith Schwab, Jeff Steinhauer, Yury M. Mukharsky, James C. Davis and Richard E. Packard (University of California, Berkeley)

16:18 C18.10 Investigating Superfluid Helium Dynamics With \hfil Micro\-litho\-graphic Techniques

Kieran Mullen (University of Oklahoma)

16:30 C18.11 Thermal Conductivity Measurements of Helium 4 Near the \lambda-Transition Using a Magnetostrictive Low Gravity Simulator

Melora Larson and Ulf E. Israelsson (Jet Propulsion Laboratory, California Institute of Technology)

16:42 C18.12 On The Problem of Roton Discordance and its Possible Solution

S. Bohaty (Inst. for Philosophic Inquiry)

16:54 C18.13 Calculation of Condensate Mediated Tunneling Rate Through a Slab of Superfluid Helium

J. W. Halley and C. E. Campbell (School of Physics and Astronomy, University of Minnesota, Minneapolis, MN 55455)

17:06 C18.14 Vortex-Ring Superfluid Transition in Finite Geometries

G. A. Williams (University of California, Los Angeles)

14:30 C19.01 A Non-Equilibrium Study of Flow in a Smectic Liquid Crystal Under Confinement Using the X-Ray Surface Forces Apparatus

Ilya Koltover, Stefan H.J. Idziak, Cyrus R. Safinya, Jacob N. Israelachvili (University of California, Santa Barbara) and Keng S. Liang (Exxon Research and Engineering Company)

14:42 C19.02 Disclination Loop Decay resulting from Electrohydrodynamic Convection in Liquid Crystal

J. P. McClymer and H. M. Shehadeh (Department of Physics and Astronomy, University of Maine)

14:54 C19.03 Diffusing Wave Spectroscopy in Nematic Liquid Crystal System

M. H. Kao, A. G. Yodh (University of Pennsylvania), D. J. Pine (Exxon Research & Engineering) and P. Collings (Swarthmore College)

15:06 C19.04 Shear Alignment and Instability of Smectic Phases

Mark Goulian (Exxon Research and Engineering)

15:42 C19.05 Dynamic Polarized Infrared Spectroscopy of Reorientation in Chiral Smectic Liquid Crystals

W.G. Jang, N.A. Clark (Department of Physics, University of Colorado at Boulder), F. Hide, K. Nito, A. Yasuda (Sony Research, Laboratory, Yokohama, Japan) and D.M. Walba (Department of Chemistry, University of Colorado at Boulder)

15:54 C19.06 Layer Modulations in Chiral Smectic-A Liquid Crystals: Effects on Light Scattering.

J. V. Selinger, S. Sprunt, G. Crawford, B. R. Ratna and R. Shashidhar (Naval Research Laboratory, Washington, DC.)

16:06 C19.07 Large and Stable Second Harmonic Generation in a Crystalline Phase of a Ferroelectric Liquid Crystal

S. Sprunt, K. Gruneberg, J. Naciri, B. R. Ratna, R. Shashidhar (Naval Research Laboratory, Washington, DC.), B. Bihari, J. Kumar and S. K. Tripathy (University of Massachusetts, Lowell, MA.)

16:18 C19.08 The first high polarization ferroelectric main-chain liquid crystalline polymers

Renfan Shao, P. Keller , N. A. Clark , D. Walba and M. Brunet (Department of Physics, University of Colorado at Boulder)

16:30 C19.09 A mean-field model for ferroelectric polarization in smectic C^\ast liquid crystals

Rainer Malzbender, Valeriy V. Ginzburg, Matthew A. Glaser, Noel A. Clark (Department of Physics, University of Colorado at Boulder), Edgardo Garcia and David M. Walba (Department of Chemistry and Biochemistry, University of Colorado at Boulder)

16:42 C19.10 Second-harmonic generation from FLC mesogenic monolayer surfaces

Cheol Soo Park, Noel A. Clark (Department of Physics, University of Colorado at Boulder) and Thomas E. Furtak (Department of Physics, Colorado School of Mines)

16:54 C19.11 Domain Growth in Surface Stabilized Ferroelectric Liquid Crystals

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

14:30 C20.01 Conductivity Studies of Quantum-Critical Dynamics

John P. Carini (Department of Physics, Indiana University, Bloomington, IN 47405)

15:06 C20.02 WKB study of the energy spectrum and renormalization of Harper's equation with next nearest neighbour coupling

Jung Hoon Han and D. J. Thouless (Univ. of Washington)

15:18 C20.03 Decimation Studies of Bloch Electrons in a Magnetic Field: Higher Order Limit Cycles Underlying the Phase Diagram

Indubala I Satija (George Mason University), Jukka Ketoja (University of Helsinki) and Juan C. Chaves (George Mason University)

15:30 C20.04 Analytical Results on Quantum Interference and Exact Summation of Forward-scattering and the Dominant Winding Paths for Strongly Localized Electrons in a Magnetic Field

Y.-L. Lin and F. Nori (U. of Michigan)

15:42 C20.05 Localization in Highly Anisotropic Systems.

Irini Zambetaki, E. N. Economou (Research Center of Crete), Qiming Li and Costas Soukoulis (Ames Laboratory-USDOE, Iowa State University)

15:54 C20.06 Electron Localization on the Sierpinski Gasket.

X.R. WANG (Hong Kong Univ. of Sci. & Tech.})

16:06 C20.07 Electrical Conductivity of a One-Dimensional Oxide

G. AEPPLI, J.F. DITUSA and S.-W. CHEONG (AT&T Bell Laboratories and Louisiana State University)

16:18 C20.08 Insulator-Superconductor Transition in Granular Wires

A.V. Herzog, P. Xiong, R.C. Dynes (Dept. of Physics, University of California, San Diego) and F. Sharifi (Dept. of Physics, University of Florida)

16:30 C20.09 Lateral Transport and Localization Behaviors in Layered Media with Isotropic Scatterings.

KIN-CHAT O and ZHAO-QING ZHANG (Dept of Physics, Hong Kong University of Science and Technology)

16:42 C20.10 Light Localization and Amplification in Randomly Layered Media with Gain

ZHAO-QING ZHANG (Dept of Physics, Hong Kong University of Science and Technology)

14:30 C21.01 X-ray Magnetic Circular Dichroism (X-MCD) using the energy dispersive beamline X6A at NSLS.

K. J. Gofron, C. W. Kimball, S. Mini, G. Jennings, P. Lee and P. A. Montano (ANorthern Illinois University)

14:42 C21.02 Confirmation of Quadrupolar Transitions in Circular Magnetic X-ray Dichroism at the Dysprosium L_3 Edge

J.C. Lang, G. Srajer (Advanced Photon Source, Argonne National Lab), C. Detlefs, A.I. Goldman, H. Konig, X. Wang, B.N. Harmon (Ames Laboratory and Dept. of Physics and Astronomy) and R.W. McCallum (Ames Laboratory and Dept. of Material Science and Eng.)

14:54 C21.03 First Principles LCGO calculation of X-MCD in Nickel.

N. A. Mainkar, D. A. Browne, J. Callaway (Louisiana State University, Baton Rouge, LA, 70803) and G. Fuster (Universidad Federico Santa Maria, Casilla Postal 110-V, Valparaiso, Chile)

15:06 C21.04 Mössbauer Study of Sm_2Fe_17-xGa_xC_y Compounds.

I.A. Al-Omari, S.S. Jaswal, E.W. Singleton, D.J. Sellmyer (University of Nebraska-Lincoln), Y. Zheng and G.C. Hadjipanayis (University of Delaware)

15:18 C21.05 A Mössbauer Effect Study of the Interstitial Deuteride and Nitrides of Sm_2Fe_17.

F. GRANDJEAN (Université de Liège), GARY J. LONG, S. MISHRA, D. HAUTOT, O.A. PRINGLE (University of Missouri-Rolla) and O. ISNARD (Institut Laue Langevin)

15:30 C21.06 A Magnetic and Crystallographic Study Y_2Fe_17-xSi_xSolid Solutions

G.K. Marasinghe, Sanjay Mishra, Peter C. Ezekwenna, W.J. James, O.A. Pringle, Gary J. Long (University of Missouri-Rolla), Z. Hu, Y.B. Yelon (University of Missouri-Columbia), F. Grandjean (University of Liège) and F. Pourarian (Carnagie Mellon University)

15:42 C21.07 Fe Mossbauer Investigations on DyTbFeNi and HoTbFeNi Systems

M. Senthil KUMAR, K.V. REDDY, K.V.S. RAMA RAO (Indian Institute of Technology, Madras, India) and T.P. DAS (SUNY at Albany)

15:54 C21.08 Magnetoelastic Effects in Epitaxial Er and Dy Films.

M.J. CONOVER, A. KALDOWSKI and C.P. FLYNN (U. of Illinois, Urbana, IL.)

16:06 C21.09 Growth of Ferrite Films on Amorphous and Semiconductor Substrates

R. Karim, S.A. Oliver and C. Vittoria (Northeastern University, Boston, MA 02115)

14:30 C22.01 Why autocorrelators for ultrafast lasers will soon be obsolete.

Kurt G. Jensen, Stefan Zollner, Jocelyn M. Haisch and Kenneth D. Myers (Ames Laboratory and Iowa State University)

14:42 C22.02 Enhancement of the Central Spot in Diffraction-Free Bessel Beams.

Hee S. Lee and Henry Fenichel (University of Cincinnati)

14:54 C22.03 The use of area detectors in Brillouin Spectroscopy

J.J. Vanderwal, Xia Hua, P. Zhao and D. Walton (McMaster University)

15:06 C22.04 Use of Diffusive Light Photography to Observe Kolmogorov Type Wave Turbulence

W.B. Wright (Physics & Astromony, U.C., Los Angeles)

15:42 C22.05 Design and Performance of Soft X-ray Interferometers for Ultra-High Resolution/Throughput Fourier Transform Spectroscopy

Edward J. Moler, Malcolm R. Howells, Zahid Hussain (Lawrence Berkeley Laboratory) and David A. Shirley (Department of Chemistry and Physics, Pennsylvania State University, University Park, PA 16802)

15:54 C22.06 An improved scanning near-field magneto-optical Kerr effect microscope for imaging magnetic domains in reflection

T.J. Silva, A.B. Kos, R.W. Cross and C.A. Thompson (National Institute of Standards and Technology, Div. 814.05, 325 Broadway, Boulder, CO 80303)

16:06 C22.07 Development of a Multi-Task and Multi-Instrument Sample Transfer System**

S. THEVUTHASAN, D.R. Baer, M.H. Engelhard, Y. Liang (Envirnomental Molecular Sciences Laboratory , J.N. Worthington, T.R. Howard, J.R. Munn and K.S. Rounds (Thermionics Northwest Inc.)

16:18 C22.08 An all-fiber Michelson-Morley experiment: design constraints and rotational effects

Daniel W. Koon (St. Lawrence University)

14:30 C23.01 Conservation sum rules and frequency moments for the quadratic dynamic structure function

J. Martin Rommel and Gabor J. Kalman (Boston College)

14:42 C23.02 An Exactly Solvable Microscopic Model of Interacting Electrons Projected on the Lowest Landau Level with Hierarchical Ground States

L Tevlin and J. L. Birman (CCNY)

14:54 C23.03 Interacting electrons in a continuum model for a 2-d crystal

Gerhard E. Engel, Richard M. Martin (University of Illinois at Urbana-Champaign) and Yongkyung Kwon (University of California at Berkeley)

15:06 C23.04 Spin Susceptibility of the Interacting Electron Gas.

Marilyn F. Bishop, T. McMullen and Zane P. Gibbs (Virginia Commonwealth University)

15:18 C23.05 Self-consistent Hartree-Fock approximation in two dimensions

Suklyun Hong (University of Pennsylvania and Oak Ridge National Laboratory) and G.D. Mahan (University of Tennessee and Oak Ridge National Laboratory)

15:30 C23.06 Dependence of the Single-Particle Self-Energy of a two-dimensional Fermi Liquid on Filling

Jungsoo Kim and Dermot Coffey (Department of Physics, SUNY Buffalo, NY 14260)

15:42 C23.07 An Exact Representation of the Large-U Hubbard Model and Its Application

Yao Rong Wang (Xerox Wilson Center for Research and Technology)

15:54 C23.08 Kohn-Sham Potentials for Spin Polarized Atomic Systems

JIQIANG CHEN, J.B. KRIEGER, Y. LI (Brooklyn College, Cuny), R.O. ESQUIVEL and M.J. STOTT (Queens University, Ontario)

16:06 C23.09 Comparative Study of Kohn-Sham Potentials in Spin Density and Orbital Functional Theory

J.B. KRIEGER, JIQIANG CHEN, Y. LI (Brooklyn College, Cuny) and G.J. IAFRATE (ARO, NC)

16:18 C23.10 Trends in Hyperfine Interactions in Atomic and Ionic Series with Single s- Valence Electrons.

XING YUAN, T.P. DAS (SUNY-Albany), S.N. PANIGRAPHY (Argonne National Lab), R.W. DOUGHERTY (Naval Research Lab) and J. ANDRIESSEN (Tech Hogschool, Delft, Netherlands)

16:30 C23.11 Relative Trends in Mechanisms Contributing to Hyperfine Interaction in Neutral Atoms and Positive Ions.

A. Owusu, G. Gowri, X. Yuan, Dougherty, R. W, T.P. Das (SUNY, Albany) and J. Andriessen (Tech Hogeschool Delft, Netherlands)

16:42 C23.12 Screening effects on covalence in transition metal oxides

T. A. Kaplan and S. D. Mahanti (Michigan State Univ.)

16:54 C23.13 Critical behavior of density of states in disordered system with localized electrons

A. L. Efros (University of Utah) and F. G. Pikus (University of California at Santa Barbara)

17:06 C23.14 Integrability and ideal conductance at finite temperatures

H. Castella, X. Zotos (Institut Romand de Recherche Numérique en Physique des Matériaux, EPFL, Lausanne, Switzerland) and P. Prelov\ sek (J. Stefan Institute, University of Ljubljana, Slovenia)

17:18 C23.15 High Temperature Effects in the Hubbard Model

Jaroslav Fabian (Department of Physics, SUNY at Stony Brook,New York)

14:30 C24.01 Electron Transport Studies of Granular Magnetic Materials Using Nanofabricated Point Contacts

Richard Louie, ShashiKant Upadhyay and R. A. Buhrman (Cornell University)

14:42 C24.02 Elevated GMR in Co/Cu Sandwiches due to Ion Implantation

Mark Tondra, B.H. Miller and E.D. Dahlberg (School of Physics and Astronomy, University of Minnesota)

14:54 C24.03 Fringe Field Effects in Perpendicular Current Magnetoresistance of Multilayered Microstructures

W. Vavra, J. J. Krebs, G. A. Prinz (Naval Research Laboratory), S. F. Cheng (Naval Surface Warfare Center) and Anita Fink (Nonvolatile Electronics Inc.)

15:06 C24.04 Spin-Diffusion-Lengths in Magnetic Multilayers

Jack Bass (Michigan State University)

15:42 C24.05 Giant Magnetoresistance in Annealed Co-Fe/Ag Multilayers

D. V. Dimitrov, A.S. Murthy and G.C. Hadjipanayis (University of Delawre)

15:54 C24.06 Structural, electrical and magnetic properties of epitaxial Fe/Ag Superlattices.

Y. Bruynseraede, R. Schad, P. Belien, C.D. Potter, G. Verbanck, K. Temst, G. Gladyszewski, J. Barnas and Victor Moshchalkov (Laboratorium voor Vaste-Stoffysika en Magnetisme, Katholieke Universiteit Leuven, B-3001 Leuven, Belgium.)

16:06 C24.07 Electron Scattering at Interfaces

L. Chico and L. M. Falicov (Dept. of Physics, University of California, Berkeley, CA 94720)

16:18 C24.08 Oscillatory Transport Properties of Ni/Co Multilayers

Ivan K. Schuller, J. M. Gallego, D. Lederman and S. Kim (Physics Department, University of California-San Diego)

16:30 C24.09 Paramagnons, disorder and giant magnetoresistance

George Kastrinakis (University of Illinois at Urbana-Champaign)

16:42 C24.10 NEW ASPECTS OF THE MAGNETO-IMPEDANCE IN AMORPHOUS RIBBONS^*

R. L. Sommer and C. L. Chien (Department of Physics and Astronomy, The Johns Hopkins University)

16:54 C24.11 Magneto-Impedance Effect in NiFe Plated Wire

R. S. Beach, C. L. Platt and A. E. Berkowitz (Center for Magnetic Recording, University of California San Diego, La Jolla, CA 92093)

17:06 C24.12 A New Geometry for Giant Magnetoresistance of Layered Structures

P. M. Levy, S. Zhang (New York University), T. Ono and T. Shinjo (Kyoto University)

14:30 C25.01 First-Principles Calculations of the Phase Diagram of Si

Osamu Sugino (Fundamental Research Laboratories, NEC Corporation, Japan)

15:06 C25.02 Interfacial Gibbs Free Energies via \lambda-Integration

James V. Lill (Naval Research Laboratory), Andrew J. Skinner (SFA) and Jeremy Q. Broughton (NRL)

15:18 C25.03 Modified Embedded Atom Method Calculations of Free Energies of \alpha, \beta and liquid Sn

R. Ravelo (University of Texas, El Paso) and M.I. Baskes (Sandia National Laboratories, Livermore)

15:30 C25.04 Calculation of Melting Lines From Simulations of Coexisting Phases.

J.\ R. Morris, C.\ Z. Wang, K.\ M. Ho and C.\ T. Chan (Ames Laboratory, U.\ S.\ Dept.\ of Energy)

15:42 C25.05 QEOS, A Wide-Range Equation of State Model for Hot, Dense Matter^*

David A. Young and Ellen M. Corey (Lawrence Livermore National Laboratory)

15:54 C25.06 Linear Response Calculations of T_c

Troy W. Barbee III (Lawrence Livermore Nat'l Lab)

16:06 C25.07 First-principles calculation of the structure and the dynamics of bulk lithium

P. Staikov, A. Kara and Talat S. Rahman (Kansas State University)

16:18 C25.08 Growth of Nano/Mesoscale Structures Accompanying Phase Transitions in Condensed Phases

Long-Qing Chen (The Pennsylvania State University)

16:54 C25.09 Monte Carlo studies of the Si-Ge-C system.

Pantelis C. Kelires (Physics Dept., University of Crete, and Research Center of Crete, Heraclion, Crete, Greece.)

17:06 C25.10 Structural Properties amd Phase Diagrams of Pseudobinary Semiconductor Alloys Studied by Molecular Dynamics and Monte-Carlo Simulation.*

B.K. Dickerson and A.-B. Chen (Auburn University)

17:18 C25.11 Evaluation of New III-V Infrared Materials.*

A.-B. CHEN (Auburn Univ.), M. VAN SCHILFGAARDE, S. KRISHNAMURTHY and A. SHER (SRI International)

17:30 C25.12 Absolute deformation potentials of Al, Si and NaCl ^*\;

A. Franceschetti, S.-H. Wei and A. Zunger (National Renewable Energy Laboratory, Golden, CO 80401)

14:30 C26.01 Comparison of One and Two-Phonon Raman Spectra in Stressed Diamond

J. H. Eggert (Pomona College, Claremont, CA), R. J. Hemley and H. -K. Mao (Geophysical Laboratory, Carnegie Institution of Washington, Washington, DC)

14:42 C26.02 Measurements of the extremely low nitrogen concentration in diamonds using electron paramagnetic resonance

Shigang Zhang, M. E. Zvanut, Y. K. Vohra (Department of Physics, University of Alabama at Birmingham) and Suresh S. Vagarali (G. E. Superabrasives, Ohio)

14:54 C26.03 Optical Diagnostics for Temperature Measurement in a Diamond CVD Reactor

Elizabeth A. Brinkman and Jay B. Jeffries (Molecular Physics Laboratory, SRI International)

15:06 C26.04 Donor Acceptor Pair Recombination in Synthetic Type IIb Semiconducting Diamond

P.B. Klein, M.D. Crossfield, J.A. Freitas Jr., A.T. Collins

15:18 C26.05 Thermal Stability of Diamond-like Carbon (DLC) Films

Z. Akkerman, H. Efstathiadis and F.W. Smith (City College of New York)

15:30 C26.06 Differential Reflectance of the Surfaces of Diamond and Cubic Silicon Carbide

V.I. GAVRILENKO (Institut für Festkörpertheorie and Theoretische Optik, Friedrich-Schiller-Universität Jena, D-07743, Germany)

15:42 C26.07 Homoepitaxial Diamond Growth and Characterization

Thomas S. McCauley (Dept. of Physics, Univ. of Alabama at Birmingham, Birgingham, AL 35294-1170, USA)

16:18 C26.08 ^13C NMR Relaxation via Paramagnetic Nitrogen Centers in Synthetic Diamond.

D.B. BAKER and J.P. YESINOWSKI (Naval Research Laboratory)

16:30 C26.09 ODMR of Nitrogen and Nickel in High Pressure Synthetic Diamond

P.W. Mason, G.D. Watkins (Lehigh University ), M.H. Nazare (Universidade de Aveiro, Portugal) and K. Kanda (NIRIM, Japan)

16:42 C26.10 X-ray and ultra-violet photoemission spectroscopy study of a-C films: sp3/sp2 determination and graphitization

Javier Diaz, Guido Paolicelli, Salvador Ferrer and Fabio Comin (European Synchrotron Radiation Facility, Grenoble, France)

16:54 C26.11 A hydrogen-related EPR center at grain boundaries in CVD diamond

X. ZHOU, G.D. WATKINS (Lehigh University) and K.M. McNAMARA (G.E. Corporate Research and Development)

17:06 C26.12 Raman Scattering of Diamond-Like Carbon Films Deposited Using Unbalanced Magnetron Sputtering

Sooncheon Seo, David C. Ingram (Ohio University) and In-sang Yang (Ehwa Womans University

17:18 C26.13 A Site Symmetry Analysis of the 738 nm Defect in CVD Diamond

S. W. Brown and S. C. Rand (Applied Physics Program, Univ. of Michigan)

14:30 C27.01 Electron-phonon interaction and physical properties of doped fullerenes

Olle Gunnarsson (Max-Planck Institut für Festkörperforschung, D-70506 Stuttgart, Germany)

15:06 C27.02 Synthesis of K_3C_60 from Single Crystal C_60 and Determination of its Superconducting Parameters

S.H. Irons, J.Z. Liu, P. Klavins and R.N. Shelton (Department of Physics, University of California, Davis)

15:18 C27.03 Coulomb Pseudopotential in Fullerenes: An RG Approach

Ganpathy Murthy and Nikos Berdenis (Dept of Physics, Boston University)

15:30 C27.04 TEMPERATURE DEPENDENCE OF INTRA MODES IN Rb_3C_60 STUDIED BY NEUTRON INELASTIC SCATTERING,

J. Mizuki, H. Hirosawa, K. Tanigaki (NEC Corp. Tsukuba, Japan;), T. Otomo (KEK, Tsukuba, Japan;), M. Arai (Kobe Univ. Japan;) and K. Prassides (Univ. Sussex, Brighton, UK.)

15:42 C27.05 Resonance Raman scattering in alkali-doped and undoped C_60.

S. Guha, J.D. Lorentzen, J. Menéndez and J.B. Page (Arizona State University)

15:54 C27.06 Raman spectra of alkali doped C_60

L. Barbedette, S. Lefrant (IMN, U. of NANTES, France), T. Yildirim (NIST-U. of Maryland), J. E. Fischer (U. Penn) and F. Rachdi (G.D.P.C., U. of Montpellia, France)

16:06 C27.07 Photo-induced changes in the Raman spectra of C_60, K_3C_60 and Rb_3C_60.^*

P.T. Leong, C.M. Lei, M.K. Wu (Materials Science Center and Department of Physics, National Tsing-Hua University, Hsinchu, Taiwan, ROC) and J.H. Hwang (Department of Chemistry, National Taiwan University, Taipei, Taiwan, ROC)

16:18 C27.08Withdrawn.

16:30 C27.09 Single-Crystal Transport Properties of Alkali Fullerides

A. Zettl (Dept. of Physics, University of California at Berkeley, and Materials Sciences Division, Lawrence Berkeley Laboratory, Berkeley, CA 94720)

14:30 C28.01 Status of Experiments, Modeling and Diagnostics of Reactive Surfaces

D.E. IBBOTSON (AT&T Bell Laboratories, Murray Hill, NJ)

15:06 C28.02 Simulation of Surface Reactions During Deposition

James B. Adams, Chun-Li Liu, Wei Xu and Karland A. Kilian (University of Illinois)

15:42 C28.03 Measurements of Reactive Sticking Coefficients in Deposition Plasmas

Ellen Fisher (Colorado State University)

16:18 C28.04 Adsorption and Reaction of Thermal and Hyperthermal Beams of Atomic and Molecular Chlorine with Si(100) and Si(111)

Thomas Engel (Department of Chemistry BG-10, University of Washington, Seattle, WA 98195)

16:54 C28.05 Modeling Gas-Phase and Surface Processes in CVD

Michael Coltrin (Sandia National Laboratories, MS 0601, Albuquerque, NM)

14:30 C29.01 Can broken charge conjugation symmetry explain optical absorption in PPV?

S. Mazumdar and M. Chandross (University of Arizona)

14:42 C29.02 Exciton binding energy in Poly(paraphenylenevinylene)

M. Chandross, S. Mazumdar (University of Arizona), S. Jeglinski, X. Wei, Z.V. Vardeny (University of Utah), E.W. Kwock and T.M. Miller (AT&T Bell Labs)

14:54 C29.03 Excitons, Interband Excitations and Charge Conjugation Symmetry Breaking in Polyphenylenes

M.J. Rice (Xerox Wilson Center for Research and Technology, Webster)

15:30 C29.04 Molecular Quantum Mechanical Calculations of the Interface Formation of Aluminum and Poly(Phenylene Vinylene) (PPV) Oligomers*

V. Choong, Y. Park, Y. Gao (Univ. of Rochester, Rochester, NY 14627) and B.R. Hsieh (Xerox Corp.)

15:42 C29.05 Theory of MX chain complexes: Disorder and magnetism.

J. Tinka Gammel, J. Zang, A. Saxena and A.R. Bishop (Los Alamos National Laboratory)

15:54 C29.06 Local structural anomalies in one-dimensional MX solids.

I. Batistic, W.Z. Wang, M.I. Salkola, J. Tinka Gammel and A.R. Bishop (Los Alamos National Laboratory)

16:06 C29.07 Polaronic States in Small Two-Dimensional Lattices

I.A. HOWARD and A.E. LABARGE (University of Texas at Arlington, Dept. of Physics)

16:18 C29.08 Photoinduced Absorption of C_60-doped Conducting Polymers

E. M.. Conwell and Mizes (Xerox and Center for Photoinduced Charge Transfer, University of Rochester)

16:30 C29.09 Study of Electron Correlation in Conjugated Polymers Using DMRG Method^*

Guozhong Wen and Wu-Pei Su (Univ. of Houston)

16:42 C29.10 Off-Diagonal Disorder and Activation Energy of High-Field Hopping Motion

Yu. N. Gartstein and Conwell (NSF Center for Photoinduced Charge Transfer, University of Rochester)

16:54 C29.11 Photogeneration of Polaron Pairs in Conducting Polymers

E. M.. Conwell and Mizes (NSF Center for Photoinduced Charge Transfer, University of Rochester)

14:30 C31.01 The Effects of Chain Ends on Polymer Surface and Interfacial Properties

J.T. Koberstein (Univ. of Connecticut, Storrs) State U.)

15:06 C31.02 Polymers with Self-Organized Surfaces

V. Lebonheur, K. Walker and S.I. Stupp (U. Illinois)

15:18 C31.03 Morphology of Steps in Terraced Block Copolymer Films

B.L. Carvalho and E.L. Thomas (MIT)

15:30 C31.04 Direct Measurement of Forces Between Adsorbed Charged/Neutral Diblock Copolymer Layers in Aqueous Solutions

J.W. Schneider, J.F. Argillier and M. Tirrell (U. Minnesota)

15:42 C31.05 Pre-Transitional Ordering of Confined Diblock Copolymer Liquids

S.M. Kilbey II, M. Tirrell, F.S. Bates (U. Minnesota) and J. Israelachvili (U. California-Santa Barbara)

15:54 C31.06 Selective Solvent Effects on Lamellar Block Copolymer Thin Films

R. Levicky, N. Koneripalli, M. Tirrell (U. Minnesota), S. Satija and P. Gallagher (NIST))

16:06 C31.07 Confined Block Copolymer Thin Films

N. Koneripalli, N. Singh, R. Levicky, F.S. Bates (U. Minnesota), P.D. Gallagher and S.K. Satija (NIST))

16:18 C31.08 Temperature Dependence of Symmetric Diblock-Copolymer Thin Film Morphology

T.L. Morkved and H.M. Jaeger (U. Chicago)

16:30 C31.09 Observed Surface Energy Effects on Confined Diblock Copolymer Systems

D. G. Walton, G. J. Kellogg, A. M. Mayes (Department of Materials Science and Engineering, Massachusetts Institute of Technology), P. Lambooy, T. P. Russell (IBM Research Division, Almaden Research Center), P. D. Gallagher and S. K. Satija (Reactor and Radiation Division, National Institute for Standards and Technology)

16:42 C31.10 Direct Observation of Diblock Copolymer Induced Microemulsion at Polymer/Polymer Interfaces

K.D. Jandt, Z. Xu, E.J. Kramer, B.D. Edgecombe and J.M.J. Frechet (Cornell U.)

16:54 C31.11 The Behavior of Random Copolymers at Penetrable Interfaces

D. Gersappe, R. Israels and A.C. Balazs (U. Pittsburgh)

17:06 C31.12 DRIVEN CAPILLARY WAVE MEASUREMENT OF VISCO-ELASTIC PARAMETERS FOR TRIBLOCK AND PENTABLOCK COPOLYMER FILMS AT AN AIR-WATER INTERFACE.

J. V. Gandhi, T. M. Chapman, K. A. Shaffer and J. V. Maher (University of Pittsburgh*)

17:18 C31.13 Effect of Solvent on Interaction Between Diblock and Three- Block Copolymers Adsorbed on Mica

C.L. Chen, S. Dhoot, N. Dan, M. Tirrell (U. Minnesota), J. Mays (U. Albama) and H. Watanabe (Kyoto U.)