Program overview

MONDAY MORNING, 17 MARCH 1997

11:00 B1.01 Hole Doped Spin Chains and Ladders in A_14 Cu _24 O_41

B. Batlogg (Bell Laboratories, Lucent Technologies, Murray Hill, NJ 07974)

11:36 B1.02 Neutron Scattering Studies of Quantum Spin Ladders

R.S. Eccleston (ISIS Facility)

12:12 B1.03 Superconductivity in the Ladder Material Sr0.4Ca13.6Cu24O41.84

J. Akemitsu (Aoyama-Gakuin University)

12:48 B1.04 Doped Ladder Cuprates

T.M. Rice (Theoretische Physik, ETH-Hönggerberg, 8093 Zürich, Switzerland)

13:24 B1.05 Ground States Phases of Doped 2-, 3-, and 4-Leg t-J Ladders

S.R. White (University of California-Irvine)

11:00 B2.01 Non-Dissipative Coulomb Drag in Mesoscopic Systems

A. Rojo (University of Michigan)

11:36 B2.02 Probing Correlation Effects in the 2-D Electron System Through Plasmon Enhanced Electron Drag

T. J. Gramila (Penn State University, University Park, PA)

12:12 B2.03 Magnetic Fields and Phonons in Drag

Martin. Chr. Bonsager (Indiana University)

12:48 B2.04 Exciton Condensate in Semiconductor Quantum Well Structures

Peter B. Littlewood (Bell Labs, Lucent Technologies)

13:24 B2.05 Coulomb Drag Between Paired Electron-Hole Layers

Giovanni Vignale (University of Missouri-Columbia)

11:00 B3.01 Scanning Capacitance Microscopy of the Quantum Hall Effect

Ray Ashoori (Massachusetts Institute of Technology)

11:36 B3.02 Scanned Probe Imaging of Current Flow in Semiconductor Nanostructures

M.A. Eriksson (Department of Physics, Harvard University)

12:12 B3.03 Scanning Single Electron Transistor Microscopy: Imaging Individual Charges

M. J. Yoo (Philips Research, Briarcliff Manor, NY 10510)

11:00 B4.01 The Geometry of DLA: Departures from Self-Similarity

B.B. Mandelbrot (Yale University)

11:36 B4.02 The Fixed Scale Transformation Approach to DLA and Self-Organized Criticality

Luciano Pietronero (Universita di Roma 'La Sapienza')

12:12 B4.03 Physics of Branched Growth

Thomas C. Halsey (Exxon Research and Engineering Co., Annandale, NJ 08801)

12:48 B4.04 Scaling in the Frequency-Dependent Admittance of Electrodeposits

David Grier (James Franck Institute)

13:24 B4.05 Renormalization Approach to Diffusion-Limited Aggregation

M.B. Hastings (MIT)

11:00 B5.01 Large isotope effect for hydrogen/deuterium desorption from Si surfaces and implications for MOS devices

Joseph W. Lyding (University of Illinois)

11:36 B5.02 Passivation and generation of defects at the Si/SiO2 interface by molecular and atomic hydrogen

Eduard Cartier (IBM Research Division)

12:12 B5.03 Bonding, dissociation and migration of hydrogen and deuterium in crystalline, amorphous and polycrystalline silicon

Warren B. Jackson (Xerox Palo Alto Research Center)

12:48 B5.04 Infrared Spectroscopy of Hydrogen at Surfaces and Interfaces

Yves J. Chabal (Bell Laboratories, LUCENT TECHNOLOGIES)

13:24 B5.05 Defect Properties of H, O, N and Si atoms at Si/SiO_2 Interfaces

Gerald Lucovsky (North Carolina State University)

11:00 B7.01 UV and STM Manupulation of Atoms at the Surface of Si(111)-7x7

John Polanyi (University of Toronto)

11:36 B7.02 Hot-Electron-Induced Surface Chemical Reactions Using Tunnel Junctions

J.W. Gadzuk (NIST)

11:48 B7.03 Single Molecule Dissociation by Tunneling Electrons

B.C. Stipe, M.A. Rezaei, W. Ho (Cornell University)

12:00 B7.04 Half-collision scattering from oriented molecules on semiconductor surfaces

K. Khan, P. Lasky, J. Moryl, D. Slater, N. Camillone, R. M. Osgood Jr. (Columbia Radiation Laboratory, Columbia University)

12:12 B7.05 Dynamics of Interhalogen Chemisorption on Silicon Surfaces

A.C. Kummel (University of California)

12:48 B7.06 Molecular Dynamics Study of the Cu - Water Interface in the Presence of Chlorine

Yu Zhou, J. Woods Halley (University of Minnesota)

13:00 B7.07 A Dynamical View on Dissociation at Surfaces

Axel Gross (Fritz-Haber-Institut, Faradayweg 4-6, D-14195 Berlin, Germany)

13:36 B7.08 Concepts for the Interaction of H_2 with a Transition Metal Surface

S. Wilke, V. Natoli, M. H. Cohen (Exxon Corporate Research Laboratories)

11:00 B8.01 Long-Range Energy Transfer in Mesoscopic Thin-Film Materials

Paul Barbara (University of Minnesota)

11:36 B8.02 Ultrafast Photophysics, Stimulated Emission, and Lasing in Conjugated Polymers

Benjamin J. Schwartz (Inst. for Polymers amp; Organic Solids, University of California, Santa Barbara, CA 93106-5090)

12:12 B8.03 Temperature Dependence of Optical Dephasing in PMMA Glass: 30 K to 300 K

Y. Nagasawa (Univ. of Chicago), S. A. Passino, T. Joo, G. R. Fleming

B8.04

13:00 B8.05 Spectral Line Shapes of Individual Molecules in Glasses

J. L. Skinner (University of Wisconsin)

11:00 B9.01 Heavy-Ion Irradiation Enhancement of Pinning In Bi-2223/Ag Tape Conductors

Masaki Suenaga (Brookhaven National Laboratory)

11:36 B9.02 Critical Currents in BiSCCO Whiskers

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

11:48 B9.03 Microstructural Damage and Vortex Pinning in High-Energy Heavy-Ion Irradiated Tl-Ba-Ca-Cu-O Films.

E.L. Venturini, P.P. Newcomer, H. Schone, B.L. Doyle (Sandia Labs^1), K.E. Myers (DuPont Superconductivity)

12:00 B9.04 Irreversibility Fields and J_c for La_2-xCa_1+xCu_2O_6 Materials

P. Klamut, K. Rogacki, B. Dabrowski (Physics Department, Northern Illinois University, Dekalb, IL 60115)

12:12 B9.05 Optimized T_c, B_irr, and J_c for Substituted Y-123 Materials

B. Dabrowski, K. Rogacki (Physics Department, Northern Illinois University, Dekalb, IL 60115), O. Chmaissem, J. D. Jorgensen (Materials Science Division, Argonne National Laboratory, Argonne, IL 60439), J. W. Koenitzer, K. R. Poeppelmeier (Department of Chemistry, Northwestern University, Evanston, IL 60208)

12:24 B9.06 Enhancement of Superconductivity at Structural Defects in High-Temperature Superconductors

A. Gurevich, E.A. Pashitskii, D.C. Larbalestier (University of Wisconsin, Madison, WI 53706)

12:36 B9.07 Flux behavior in superconducting microladders and antidot clusters

V.V. Moshchalkov, V. Bruyndoncx, T. Puig, E. Rosseel, C. Strunk, Y. Bruynseraede (Lab. voor Vaste Stoffysica en Magnetisme, Katholieke Universiteit Leuven, B-3001 Leuven, Belgium)

12:48 B9.08 Paramagnetic Moments in Field-Cooled Inhomogeneous Superconducting Disks

David J. Thompson, L.E. Wenger, J.T. Chen (Wayne State University)

13:00 B9.09 Flux Pinning in Nb by an Array of Magnetic Dots

Maria Velez, Jose I. Martin, Josep Nogues, Ivan K. Schuller (Physics Department, University of California - San Diego)

13:12 B9.10 Critical Current Fluctuations in Disordered Superconducting Wire Networks

C.A. Bonetto, N. Pokrouskiy, N.E. Israeloff (Dept. of Physics, Northeastern University, Boston, MA 02115), R. Bojko (Cornell Nanofabrication Facility, Cornell University, Ithaca NY 14853.)

13:24 B9.11 Effects of 1-MeV Proton Irradiation in Hg-based Cuprate Thin Films

Albert Agcaoili Gapud (Department of Physics and Astronomy, University of Kansas), J. R. Liu (Texas Center for Superconductivity at the University of Houston), J. Z. Wu (Department of Physics and Astronomy, University of Kansas), W. N. Kang (Texas Center for Superconductivity at the University of Houston), B. W. Kang, S. H. Yun (Department of Physics and Astronomy, University of Kansas), W. K. Chu (Texas Center for Superconductivity at the University of Houston)

11:00 B10.01 Microstrctural Defects in SrTiO_3 Bicrystals and Their Influence on YBa_2Cu_3O_7 Grain Boundary Josephson Junctions

E. B. McDaniel, S. C. Gausepohl, C.-T. Li, Mark Lee, J. W. P. Hsu (University of Virginia), R. A. Rao, C. B. Eom (Duke University)

11:12 B10.02 Electrical properties of YBa_2(Cu_1-xCo_x)_3O_7-\delta thin-film bicrystal grain boundaries

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

11:24 B10.03 Persistent Photoconductivity in High T_c Grain Boundary Josephson Junctions

A. Gilabert, M.G. Medici (University of Nice, France), A. Hoffmann, Ivan K. Schuller (University of California -- San Diego), F. Schmidl, P. Seidel (Friedrich-Schiller-Universität Jena, Germany)

11:36 B10.04 Characterization of YBa_2Cu_3O_7 bolometric detectors for far-IR receivers

C.T. Li, Mark Lee (University of Virginia)

11:48 B10.05 Analysis of a Hot-Electron Mechanism in High-T_c Nanobridges for Terahertz Mixer Applications

B.S. Karasik, W.R. McGrath (Jet Propulsion Laboratory, Pasadena)

12:00 B10.06 Novel Superconducting Switching Device

T.W. Clinton (), Mark Johnson (Naval Research Lab, Washington D.C.)

12:12 B10.07 Modulation of critical current and critical temperature of High Temperature Superconductor films by injecting spin-polarized carriers.

V.A. Larkin, K.R. Nikolaev, V.A. Vas'ko, P.A. Kraus, C.A. Nordman, D.E. Grupp, A.M. Goldman (School of Physics and Astronomy, University of Minnesota)

12:24 B10.08 Suppression of superconductivity by injection of spin-polarized current

M.S. Osofsky, D.B. Chrisey, J.S. Horwitz, R.C.Y. Auyeung, R.J. Soulen Jr., J.M. Byers, B.F. Woodfield, G.M. Daly, T.W. Clinton, Mark Johnson (Naval Research Laboratory)

12:36 B10.09 Growth and characterization of DyBa_2Cu_3O_7 / La_2/3Sr_1/3MnO_3 multilayers for spin-injection experiments.

V.A. Vas'ko, P.A. Kraus, K.R. Nikolaev, V.A. Larkin, D.E. Grupp, C.A. Nordman, A.M. Goldman (School of Physics and Astronomy, University of Minnesota)

11:00 B11.01 Inelastic Scattering from Interstitial Hydrogen in Niobium Superconducting Point Contacts

Paul Dolan, Randall Reinertson (NE Illinois University), Charles Smith, Eugene Slobodzian (University of Maine)

11:12 B11.02 Magnetoconductance in Insulating Ultrathin Bi Films

N. Markovic, A. M. Mack, G. Martinez-Arizala, A. M. Goldman (University of Minnesota)

B11.03

11:36 B11.04 Thermoelectric Flux in Superconducting Rings - A Search for a Factor of 10^5

D. C. Marinescu (Solid State Division, Oak Ridge National Laboratory)

12:12 B11.05 Proximity Effects in Nb/InAs Quantum Well Structures

T.A. Eckhause, E.G. Gwinn, M. Thomas, H. Kroemer (UC Santa Barbara)

12:24 B11.06 The effect of pair-breaking on the penetration depth in layered superconductors

Steven Adrian, Mike Wilson, Stuart Wolf (Naval Research Laboratory)

12:36 B11.07 Local Effects of Magnetic Impurities on Superconductivity

Ali Yazdani, B. A. Jones, C. P. Lutz, D. M. Eigler (IBM Research Division, Almaden Research Center)

12:48 B11.08 Theory of Local Effects of Magnetic Impurities in a Superconductor

B.A. Jones, A. Yazdani (IBM Research Division, Almaden Research Center)

13:00 B11.09 Problem of the Superconducting Phase Boundary for a Mesoscopic Square Loop with Leads

V. M. Fomin, V. R. Misko, J. T. Devreese (TFVS, Universitaire Instelling Antwerpen, Belgium), V. V. Moshchalkov (LVSM, Katolieke Universiteit Leuven, Belgium)

11:00 B12.01 Hot Carrier Dynamics In Silicon Through Free Carrier Absorption: A Theoretical Model

JHS Collaboration (University of Michigan at Ann Arbor)

11:12 B12.02 Photoluminescence Excitation Spectroscopy of a-Si:H Using a Free Electron Laser

Glennys Mensing, J. Gilligan, E. Hurt, J. Morgan, N. Tolk (Vanderbilt University), P.C. Taylor (University of Utah)

11:24 B12.03 Resonance Raman Study of the Local Carbon Mode in Si_1-yC_y Alloys

J.D. Lorentzen, M. Meléndez-Lira, J. Menéndez (Arizona State University), K.M. Kramer, M.O. Thompson (Cornell University), N.G. Cave, R. Liu, J.W. Christiansen, N.D. Theodore (Materials Research and Strategic Technologies, Motorola), Jon J. Candelaria (Semiconductor Technology Laboratory, Motorola)

11:36 B12.04 Experimental Determination of the Optical Bandgap in Semiconducting Silicon Clathrates

L. Grigorian, S. Fang, P. C. Eklund (Department of Physics and Astronomy and Center for Applied Energy Research , University of Kentucky, Lexington, KY 40506)

11:48 B12.05 Electroluminescence in silicon oxynitride films

K. J. Price (Department of Physics and Astronomy, University of North Carolina at Chapel Hill), L. R. Sharpe (Department of Chemistry, University of North Carolina at Chapel Hill), L. E. McNeil (Department of Physics and Astronomy, University of North Carolina at Chapel Hill), E. A. Irene (Department of Chemistry, University of North Carolina at Chapel Hill)

12:00 B12.06 Transport properties of electrons in silicon drift detectors measured in large magnetic fields.

Sanjeev Pandey (Wayne State University and the STAR-SVT Collaboration.)

12:12 B12.07 Dispersive Photo Transient Current in Amorphous Silicon at High and Low Trap-state Occupations

C.H. Wu, M.H. Chu (Univ. of Missouri-Rolla)

12:24 B12.08 Laser Doping For Amorphous Silicon Thin Film Transistors

J. B. Boyce, G. B. Anderson, D. K. Fork, R. Lujan, P. Mei (Xerox PARC)

12:36 B12.09 Novel Dopant Activation of Heavily-doped p_+-Si by High Current Densities

J.S. Huang, K.N. Tu (University of California at Los Angeles)

12:48 B12.10 In_0.52Al_0.48As Optical Dielectric Functions Deter mined by Variable Angle Spectroscopic Ellipsometry^

C.H. Yan, H. Yao (University of Nebraska-Lincoln), S.T. Massie (Quantum Epitaxial Designs, Inc. Bethlehem, PA)

13:00 B12.11 Plasmon Raman Studies of Heavily Doped In_0.53Ga_0.47As^

H. Yao, M. Mohiuddin (University of Nebraska-Lincoln, NE), Y.C. Chang (University of Illinois at Urbana-Champaign, IL)

13:12 B12.12 Fröhlich coupling in Al_xGa_1-xAs: nonmonotonic dependence of relative strength of AlAs mode on alloy composition

B.A. Sanborn, K.T. Tsen, D.K. Ferry (Arizona State University)

13:24 B12.13 Determination of free carrier profiles in semiconductors using IR Ellipsometry

Thomas E. Tiwald (Center for Microelectronic and Optical Materials Research, and the Department of Electrical Engineering, University of Nebraska, Lincoln, NE 68588-0511), Daniel W. Thompson (Center for Microelectronic and Optical Materials Research, and the Department of Electrical Engineering, University of Nebraska, Lincoln, NE 685880511), John A. Woollam (Center for Microelectronic and Optical Materials Research, and the Department of Electrical Engineering, University of Nebraska, Lincoln, NE 68588-0511)

13:36 B12.14 Application of Fluctuation Theory to the Time-Resolved Luminescence from Heavily Doped Semiconductors

I. Kuskovsky, G.F. Neumark (HKSM, Columbia University, New York, NY 10027), V.N. Bondarev, P.V. Pikhitsa (Research Institute of Physics, Odessa, Ukraine)

13:48 B12.15 Exciton Linewidth Due to Polar Optical Phonons Scattering in Semiconducting Quantum Wire Structures

H.N. Spector, Heon Ham (ITT)

B13.01

11:12 B13.02 Dynamics of InAs/GaAs Quantum Dot Formation by Molecular Beam Epitaxy

Hao Lee, Weidong Yang, Roger R. Lowe-Webb, Peter C. Sercel (Dept. of Physics, University of Oregon, Eugene OR 97403)

11:24 B13.03 Optical NMR of Single GaAs Quantum Dots

T.A. Kennedy, S.W. Brown, D. Gammon (NRL, Washington, DC)

11:36 B13.04 Size-selective photoluminescence studies of InAs/GaAs quantum dot structures

Roger R. Lowe-Webb, Weidong Yang, Hao Lee, Peter C. Sercel (Dept. of Physics, University of Oregon, Eugene OR 97403)

11:48 B13.05 Time-resolved photoluminescence study of carrier relaxation dynamics in InAs/GaAs quantum dots

Weidong Yang, Hao Lee, Roger R. Lowe-Webb, Peter C. Sercel (Dept. of Physics, University of Oregon, Eugene OR 97403)

12:00 B13.06 Dynamics of Strongly Localized Excitons

J.C. Kim, G. Chen, A.C. Schaefer, N.H. Bonadeo, D.G. Steel (Univ. of Mich.), D. Gammon (NRL)

12:12 B13.07 Low Temperature Near-Field Spectroscopy of Self-Assembled Quantum Dots

H. D. Robinson, B. B. Goldberg (Boston University), P. D. Wang, J. L. Mertz (University of Notre Dame), P. M. Petroff (University of California, Santa Barbara), K. W. Berryman, S. Lyons (Princeton University)

12:24 B13.08 Nonlinear Spectroscopy of Single Quantum Dot States

N. H. Bonadeo, A. S. Lenihan, D.G. Steel (University of Michigan.), D. Gammon (NRL)

12:36 B13.09 GaAs/AlGaAs self sensing cantilever for cryogenic scanning probe microscopy

R.G. Beck, M.A. Eriksson, R.M. Westervelt (Harvard University), K.D. Maranowski, A.C. Gossard (U.C. Santa Barbara)

12:48 B13.10 Local Conduction Band Offset of GaSb Self Assembled Quantum Dots on GaAs

M.E. Rubin, H.R. Blank, M.A. Chin, H. Kroemer, V. Narayanamurti (UCSB)

13:00 B13.11 Simulations of Scanning Probe Measurements of Ballistic Transport Through Nanostructures

M.A. Topinka, M.A. Eriksson, R.G. Beck, R.M. Westervelt (Harvard University)

13:12 B13.12 Effect of Time Reversal Symmetry Breaking on Non-Linear Transport in a Ballistic GaAs Quantum Dot

M. Switkes, A. Huibers, C.M. Marcus (Department of Physics, Stanford University), K. Campman, A.C. Gossard (Materials Department, UCSB)

13:24 B13.13 Dielectric Response of a Quantum Dot Measured with an Aluminum Single Electron Transistor

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

13:36 B13.14 Mesoscopic capacitance fluctuations of the clean quantum dot in the classical limit

A.A. Koulakov, B.I. Shklovskii (University of Minnesota)

13:48 B13.15 Fabrication of GaAs Quantum Dots by Selective Wet Etching

Chae-Deok Lee, Sam-Kyu Noh (Korea Research Institute of Standards and Science,Taejon 305-600, Korea), N. Koguchi, K. Ishige, K. Watanabe (National Research Institute for Metals,Sengen1-2-1, Tsukuba, Japan)

14:00 B13.16 Mid-Infrared Photoconductivity in Self-Assembled InAs Quantum Dots

K.W. Berryman, S.A. Lyon, Mordechai Segev (Princeton University, Princeton, NJ, 08544)

11:00 B14.01 Magnetic Anisotropy in Uranium Intermetallics

H. Nakotte (MLNSC, Los Alamos National Laboratory, Los Alamos NM 87545)

11:36 B14.02 The Electrodynamic Response of non Fermi-Liquid Kondo Alloys

L. Degiorgi, H.R. Ott (Laboratorium fur Festkoerperphysik, ETH-Zurich, CH-8093 Zurich<), M.B. Maple (Department of Physics, University of California at San Diego, San Diego CA 92093, U.S.A.)

11:48 B14.03 Heavy Fermion and Non-Fermi-Liquid Behavior in the UCu_5-xPt_x System

R. Chau, M. B. Maple (University of California, San Diego)

12:00 B14.04 Magnetic Correlations in the Non-Fermi Liquid Compound UCu_4Pd

R. Osborn (Argonne National Laboratory), M.C. Aronson (University of Michigan, Ann Arbor), M.B. Maple, R. Chau (University of California, San Diego), B.D. Rainford (University of Southampton)

12:12 B14.05 Electrodynamics Response of UCu_3.5Pd_1.5 in Strong Magnetic Fields

H. K. Ng, C. Cope (Department of Physics and MARTECH, Florida State University), Y.J. Wang, V. Dobrosavljevi\'c, J. Sarrao, Z. Fisk (NHMFL, Florida State University)

12:24 B14.06 Non-Fermi-Liquid and Magnetic Behavior of the Y_1-xU_xPd_3 System

D. A. Gajewski, R. P. Dickey, M. B. Maple (University of California, San Diego), S. Spagna, R. E. Sager (Quantum Design, Inc.), P. Dai, H. A. Mook (Oak Ridge National Laboratory)

12:36 B14.07 Metamagnetic Transition and Heavy Fermion in UPd2Al3

T. Terashima, C. Haworth, M. Takashita, H. Aoki (Tsukuba Magnet Lab., National Research Institute for Metals, Japan), N. Sato (Graduate School of Science, Tohoku University, Japan), T. Komatsubara (Center of Low Temperature Science, Tohoku University, Japan)

12:48 B14.08 Fermi-energy 5f Spectral Weight Growth in U(Pd_xPt_1-x)_3 and Y_1-xU_xPd_3

J. D. Denlinger, J. W. Allen (U. of Michigan), S.-H. Yang, S.-J. Oh (Seoul National University), E.-J. Cho (Chonnam National University), W. P. Ellis (Los Alamos National Laboratory), D. A. Gajewski, R. Chau, M. B. Maple (U. C. San Diego)

13:00 B14.09 Anomalous Behavior in the Resistivity and Specific Heat of new Heavy Fermion system U\bf_2Cu\bf_17-xAl\bf_x (5 \leq x \leq 9)

R. Pietri, B. Andraka (University of Florida), R. Tro\'c (Polish Academy of Sciences, Wroc\l aw, Poland)

13:12 B14.10 NMR Studies IN U_1-xTh_xPd_2Al_3

D.E. MacLaughlin, Chia-Ying Liu (UCR), H.G. Lukefahr (Whittier College), M.B. Maple, M.C. de Andrade, E.J. Freeman (UCSD)

13:24 B14.11 Spin glass behavior of URh_2Ge_2

S. Süllow, G.J. Nieuwenhuys, A.A. Menovsky, J.A. Mydosh (Kamerlingh Onnes Lab., Leiden Univ., The Netherlands), S.A.M. Mentink, T.E. Mason (Univ. of Toronto, Canada), W.J.L. Buyers (Chalk River Lab., Canada)

13:36 B14.12 Structural and Magnetic Transitions in UPd_2Pb

R. A. Robinson, H. Nakotte (Los Alamos National Laboratory), N. R. Dilley, M. B. Maple (University of California San Diego), J. W. Lynn, S. K. Skanthakumar (University of Maryland)

13:48 B14.13 Transition from a magnetic to a quadrupolar Kondo ground state in U_1-xTh_xBe_13

F.G. Aliev, V.V Moshchalkov, Y. Bruynseraede (Katholieke Universiteit Leuven, Belgium), G. Noel (Universite de Rennes I, France), R. Villar, S. Vieira (Universidad Autonoma de Madrid, Spain)

11:00 B15.01 Fluid Diffusion in Highly Uniform Porous Silicas

Lowell I. McCann, B. Golding (Michigan State University)

11:12 B15.02 The Diffusion Eigenstates in a Periodic Porous Medium with a Strong Surface Absorption

D.J. Bergman (Tel Aviv University), K.J. Dunn, G.A. LaTorraca (Chevron)

11:24 B15.03 Characteristic scales in the exponent of a power law, for the permeability as a function of porosity, in a two dimensional disordered porous system

Leonardo Reyes (Centro de Física, IVIC), Ricardo Paredes (Intevep S.A.), Juan Primera, Gustavo Gutiérrez (Departamento de Física, Universidad Simón Bolívar)

11:36 B15.04 Scaling Behavior of The Transit-time Distribution Moments of Reactive Tracers

V. Alvarado, J. Valbuena, A. Rodriguez (Intevep S. A.)

11:48 B15.05 Renormalization-Group Theory Study of Superfluidity and Phase Separation of Helium Mixtures Immersed in Jungle-Gym Aerogel

Anna Lopatnikova, A. Nihat Berker (MIT)

12:00 B15.06 Confinement Effects on the Critical Behaviour of a Pure fluid in Controlled-Pore Glass

M. Thommes (Inst. for Physical Science and Technology, University of Maryland, College Park Maryland 20742), G.H. Findenegg, M. Schoen (Technical University Berlin, Germany)

12:12 B15.07 Simulation of Spin Echo Diffraction In Disordered Media With Single Length Scales

Aniket Bhattacharya, S.D. Mahanti (Michigan State University)

12:24 B15.08 Neutron Diffraction and Neutron Scattering Investigations of Blended Cements

R. Berliner, M. Popovici, K.W. Herwig, M. Berliner (University of Missouri), H. Jennings, J. Thomas (Northwestern University)

12:36 B15.09 Dielectric Constant of Suspensions

Kenneth S. Mendelson (Marquette U.), James J. Ackmann (Medical College of Wisconsin)

12:48 B15.10 Variational Bounds and Effective Medium Theories for Viscoelastic Composites

James G. Berryman (Lawrence Livermore National Laboratory, P. O. Box 808 L-202, Livermore, CA 94551-9900), Graeme W. Milton (Department of Mathematics, University of Utah, Salt Lake City, UT 84112)

B15.11

B15.12 Neutron scattering study on single crystals of SrCr_9pGa_12-9pO_19 (p=0.69).

S.H. Lee (University of Maryland and NIST), C.L. Broholm (The Johns Hopkins University and NIST), G. Aeppli (NEC, Princeton), S-W. Cheong (Bell Labs, Lucent Techs), C.F. Majkrzak (NIST)

B15.13 Exdended Systems in Disorder Media - Combinatorial Optimization Approach

Chen Zeng, A.A. Middleton (Syracuse Univ.)

11:00 B16.01 Template-directed Colloidal Crystallization

Pierre Wiltzius, Rene Ruel (Bell Labs/Lucent Technologies), Alfons van Blaaderen (FOM Inst. for Atomic and Molecular Physics, 1009 DB Amsterdam; Van't Hoff Laboratory, Utrecht University, 3508 TB Utrecht, The Netherlands)

11:12 B16.02 Effects of Gravity on the Crystallization of Hard Sphere Colloidal Glasses

Jixiang Zhu , Z. Cheng , P. M. Chaikin (Dept. of Physics, Princeton University), W. B. Russel (Dept. of Chemical Engineering, Princeton University)

11:24 B16.03 Video Phonon Spectroscopy of Colloidal Crystals

Jessica Weiss, Amy Larsen, David Grier (University of Chicago)

11:36 B16.04 Lasing in Active Sub Mean Free Path Sized Systems with Dense Random Weak Scatterers

Ajay K. Sood (Dept of Physics,IISC,Bangalore 560012,India;Present address:Argonne National Lab,Argonne, IL 60439), B.R. Prasad, C.K. Subramanian (Dept. of Physics, I. I. Sc., Bangalore- 12, India), Hema Ramachandran, N. Kumar (Raman Research Institute, Bangalore -80, India)

11:48 B16.05 Dynamic X-ray Scattering of Dense Colloidal Suspensions

Ophelia K. C. Tsui, S.G.J. Mochrie (Physics Department, Massachusetts Institute of Technology)

12:00 B16.06 Light Scattering of Colloidal Liquids

M.F. Soliva, A. Moussaid, P.N. Pusey, W.C.K. Poon (University of Edinburgh (UK))

12:12 B16.07 The angular distribution of diffusely backscattered light

M.U. Vera, D.J. Durian (UCLA Dept. of Physics)

12:24 B16.08 Scattering Anisotropy in Diffusing-Wave Spectroscopy

P.-A. Lemieux, D. J. Durian (UCLA Dept. of Physics)

12:36 B16.09 The Relative Diffusion of Two Particles with Anisotropic Hydrodynamic Interaction.

Richard V. Durand, Carl Franck (Cornell University)

12:48 B16.10 Anisotropic Susceptibility and Orientational Distribution of n-Alkanes in the Rotator Phase

Hu Gang, H. Shao, E.B. Sirota (EXXON Research and Engineering Company)

13:00 B16.11 Thermodynamic and Optical Homogeneity of a Molecular Liquid Containing Small Rigid Spheres

James Clark (member)

B16.12 Settling and Columnar Crystal Growth in Suspensions of Hard Spheres

Bruce J. Ackerson, Ben Johnson (Oklahoma State University), Bill van Megen (Royal Melbourne Institute of Technology)

B16.13 Large Hardsphere Colloidal Crystals from Temperature Gradient and Density Matching

Zhengdong Cheng, P.M. Chaikin (Dept. of Physics, Princeton University), Jixiang Zhu, W.B. Russel (Dept. of Chemical Engineering, Princeton University)

11:00 B17.01 Nucleation and Growth of Ni/Au(111): An STM Study,

W.G. Cullen, P.E. Quesenberry, P.N. First (Georgia Institute of Technology)

11:12 B17.02 Predicting STM Images of Aromatic Molecules on Metal Substrates

S. Chiang, D.N. Futaba (UC Davis)

11:24 B17.03 Low Temperature Scanning Tunneling Spectroscopy of Au(111)

W. Chen, V. Madhavan, T. Jamneala, J. Cumings, M.F. Crommie (Physics Department, Boston University, Boston, MA 02215)

11:36 B17.04 In Situ Studies of the Passivation of Metals - ECAFM

T.J. McKrell, J.M. Galligan (Dept. of Metallurgy and Materials Engineering and Institute of Materials Science, Univ. of Connecticut)

11:48 B17.05 Local work function of the Pd/Cu(111) and Au/Cu(111) surfaces measured by STM

Y. Hasegawa, J.-F. Jia, K. Inoue, T. Sakurai (Institute for Materials Research, Tohoku Univ.), A. Sakai (Mesoscopic Mat. Res. Ctr., Kyoto Univ.)

12:00 B17.06 Strain induced dealloying: Ag on Cu surfaces

Phillip Sprunger (CAMD, Lousiana State Univ.), Flemming Besenbacher (Univ. of Aarhus, Denmark)

12:12 B17.07 Atomic corrugation-patterns on a metal surface: Tip-sample interaction or charge-density imaging?

A. Biedermann, M. Schmid, P. Varga (Institut für Allgemeine Physik, Technische Universität Wien, Vienna, Austria), J. Redinger (Institut für Technische Elektrochemie, Technische Universität Wien, Vienna, Austria), R. Podloucky (Institut für Physikalische Chemie, Universität Wien, Vienna, Austria)

12:24 B17.08 Development of an Ultra-high Vacuum Cryogenic Scanning Tunneling Microscope System

Fan Gao, Wongyo Kim, Yu M. Ivanchenko, E.L. Wolf (Polytechnic Univ.)

12:36 B17.09 The Self-Assembling Tunnel Junction - An adjustable microscopic junction for Vibrational Spectroscopy

Darin T. Zimmerman, Michael B. Weimer, Glenn Agnolet (Texas Aamp;M University)

12:48 B17.10 Local Phase Transition in 1T-TaS_2 Observed by Cryogenic STM/STS

W. Yamaguchi, O. Shiino, T. Endo, H. Sugawara, T. Hasegawa, K. Kitazawa (Univ. of Tokyo)

13:00 B17.11 STM Image of Sub-surface Impurities in 1T-TaS_2

T. Hasegawa, W. Yamaguchi, O. Shiino, T. Endo, H. Sugawara, K. Kitazawa (Univ. of Tokyo)

11:00 B18.01 Creation of intrinsic localized modes via optical control of anharmonic lattices

T. Rössler, J. B. Page (Arizona State Univ.)

11:12 B18.02 Quantum Mechanically Consistent Simulations of Anharmonic Systems

R.J. Hardy (University of Nebraska-Lincoln), D.J. Lacks (Tulane University), R.C. Shukla (Brock University)

11:24 B18.03 Simple non-integrable models for anharmonic localization

Paul A. Houle (LASSP, Cornell University)

11:36 B18.04 Generation of Intrinsic Vibrational Gap Modes in Three-Dimensional Ionic Crystals.

Sergey A. Kiselev (Laboratory of Atomic and Solid State Physics and the Materials Science Center, Cornell University, Ithaca, New York 14853-2501)

12:12 B18.05 Surface-Acoustic-Wave Imaging of 2-dimensional Composite Lattices

R.E. Vines, J.P. Wolfe (University of Illinois at Urbana-Champaign)

12:24 B18.06 Time-of-flight measurements of high frequency surface acoustic phonons in silicon

Jian Ding (Department of Physics, Brown University), Douglas M. Photiadis (Naval Research Laboratory, Washington, D.C 20375-5000), Zoe Barber (University of Cambridge, UK)

12:36 B18.07 Acoustic sum rule at a crystal surface

A. Ruini (SISSA and INFM, Trieste, Italy), R. Resta (U. of Trieste and INFM, Italy), S. Baroni (SISSA-INFM, Trieste, Italy, and CECAM, Lyon, France)

12:48 B18.08 Intrinsic Localized Modes at Surfaces

Dietrich Bonart, Andreas P. Mayer (Institute for Theoretical Physics, University of Regensburg, Germany)

13:00 B18.09 About the Possibility of Direct Electron-Phonon Dragging Observation

Peter Finkel (Lehigh University), Yuriy Bogod (Wiezmann Institute of Science)

13:12 B18.10 Perturbative and Non-perturbative Effects in the Lattice Dynamics of Metals.

M. I. Katsnelson (Institute of Metal Physics, Ekaterinburg 620219,Russia), A. V. Trefilov (Russian Scientific Center "Kurchatov Institute", Moscow 123182, Russia)

13:24 B18.11 Phonon Density of States and Vibrational Entropies of Ordered and Disordered Alloys

J Aguilar, R Ravelo (University of Texas-El Paso), M Baskes (Sandia National Laboratories)

11:00 B19.01 A Mössbauer spectral study of the Nd_6Fe_13X compounds, where X is Si, Cu, Ag, and Au, and the magnetic spin reorientation in Nd_6Fe_13Si.

D. Hautot, G. J. Long (University of Missouri-Rolla), F. Grandjean (University of Liège, Belgium), C. H. De groot, K. H. J. Buschow (University of Amsterdam, The Netherlands)

11:12 B19.02 A Mössbauer effect and XANES/EXAFS study of amorphous iron.

G. J. Long, D. Hautot (University of Missouri-Rolla), D. Vandormael, F. Grandjean (University of Liège, Belgium), V. Briois (LURE, France), T. Hyeon, K. S. Suslick (University of Illinois)

11:24 B19.03 Moessbauer measurements on antiferromagnetic FeRh.

Luke S. J. Peng, Gary S. Collins (Washington State University, Pullman.)

11:36 B19.04 Theory of Hyperfine Interaction for Muonium and Negative Muon in Polyaniline

Sujatha Sankaran, G. Gowri, Ranjit Pati, T.P. Das (State University of New York at Albany), Tina Briere, F.L. Pratt, K. Nagamine (Muon Science Laboratory, RIKEN, Japan)

11:48 B19.05 Investigations on Electronic Structures and Associated Hyperfine Properties of Paramagnetic Centers in \gamma-Irradiated OrthoPeriodic acid

Kavita Vemuri (Department of Physics, SUNY Albany NY 12222), Ranjit Pati, Tara Prasad Das (department of Physics, SUNY Albany NY 12222), B. Anusuya, V.S. Murty, K.V.S. Rama Rao (Indian Institute of Technology, Madras, India)

12:00 B19.06 Nuclear Antiferromagnetic Ordering in PrBe13

Yasumasa Takano (University of Florida)

12:36 B19.07 Nuclear magnetic relaxations in the domain and domain wall in natural iron

Joonghoe Dho, mincheol Kim, Soonchil Lee (Korea Advanced Institute of Science and Technology)

12:48 B19.08 Location, Electronic Structure and Hyperfine Properties of Muon Trapped in NiO

G. Gowri, N. Sahoo, T.P. Das (State University of New York at Albany, NY), Tina Briere, K. Nagamine (Muon Science Laboratory, RIKEN, Wako-Shi, Saitama Japan), W.K. Dawson, K. Nishiyama (Meson Science Laboratory, University of Tokyo, Japan)

13:00 B19.09 Low Frequencey Magnetic Resonance of Cubic Antiferromagnet Rubidium Manganese Trifluoride in the Vicinity of the Neel Temperature

T.G. Castner (Univ. of Massachusetts Lowell)

13:12 B19.10 Sub-picosecond Spin Dependent Hot Electron Relaxation Dynamics in Ferromagnetic Ordered CoPt_3 Alloy

Ganping Ju, A. V. Nurmikko, C. Canady, G. Xiao (Department of Physics, Brown University, Providence, RI 02912), R. F. C. Farrow, A. Cebollada (IBM Almaden Research Center)

B19.11 Influence of Charge and Magnetic Moment Distribution on Negative Muon in Silicon

Sujatha Sankaran, G. Gowri, Alfred Owusu, T.P. Das (State University of New York at Albany), K. Raghunathan (University of Madras, India), Tina Briere, R. Kadono, K. Nagamine (Muon Science Laboratory, RIKEN, Japan)

11:00 B20.01 Advances in picosecond scanning tunneling microscopy via junction mixing

G.M. Steeves, A.Y. Elezzabi, M.R. Freeman (Department of Physics, University of Alberta, Edmonton, Canada, T6G 2J1)

11:12 B20.02 Precise Surface Force Sensor by Atomic Force Microscopy

Shin-ichi Yamamoto, Hirofumi Yamada, Hiroshi Tokumoto (JRCAT)

11:24 B20.03 A Method to Define Multiple Spring Constants in Scanning Force Microscopy

Fredy R Zypman (Department of Physics and Electronics, University of Puerto Rico, Humacao, PR 00791-4300), Steven J Eppell (Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106-3462)

11:36 B20.04 Capacitive Sensor for Micropositioning in Two Dimensions.

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

11:48 B20.05 Development of a Ballistic Electron Vacuum Emission Imaging System

Wongyo Kim, Fan Gao, Yu M. Ivanchenko, E.L. Wolf (Polytechnic Univ.)

12:00 B20.06 Theory and operation of a near-field scanning microwave microscope

C. P. Vlahacos, David E. Steinhauer, S. Dutta, S. M. Anlage, F. C. Wellstood (Center for Superconductivity Research, Physics Department, University of Maryland College Park), H. Newman (Naval Research Laboratory)

12:12 B20.07 Measurements Using a Scanning Near-Field Coaxial Probe Microwave Microscope

David E. Steinhauer, C. P. Vlahacos, Sudeep Dutta, F. C. Wellstood, Steven M. Anlage (Center for Superconductivity Research, Department of Physics, University of Maryland)

12:24 B20.08 Nondestructive Imaging of Periodic Structures of Dielectric Constant and Ferroelectric Domains by a Scanning Tip Microwave Near-field Microscope

Yalin Lu, T. Wei, F.W. Duewer, P.G. Schultz, X.-D. Xiang (Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley CA), Yanqing Lu, Nai-Ben Ming (NanJing University, P. R. China.)

12:36 B20.09 Sub-micron Non-contact Conductivity and Dielectric Constant Imaging by Scanning Near Field Microwave Microscope

T. Wei, F.W. Duewer, P.G. Schultz, X.-D. Xiang (Molecular Design Institute, Lawrence Berkeley National Laboratory, Berkeley, CA 94720)

12:48 B20.10 Monte Carlo Simulation of BEEM Imaging and Spectroscopy of Buried Mesoscopic Structures

E. Y. Lee, V. Narayanamurti (University of California, College of Engineering, Santa Barbara), D. L. Smith (Los Alamos National Laboratory)

13:00 B20.11 Sharpening of STM tips using chemical vapor deposition

S. Rubel (), A. L. de Lozanne (Dept. of Physics, University of Texas at Austin)

B20.12 Imaging of Microwave Circuits Using Near-Field Microwave Microscopy

Steven M. Anlage, Sudeep Dutta, C. P. Vlahacos, David E. Steinhauer, F. C. Wellstood (Center for Superconductivity Research, Department of Physics, University of Maryland, College Park MD 20742)

11:00 B21.01 Transfection of DNA Using Small Multilamellar Vesicles Prepared Under Shear

Didier Roux (Centre de Research Paul-Pascal)

11:36 B21.02 Micelles, Lamellaes and Connected Bilayer Membranes in Block Copolymer Melts, Blends and Solutions

Kell Mortensen (Department of Solid State Physics, RisøNational Laboratory, Roskilde, Denmark)

12:12 B21.03 Gaussian Curvature and Structure of Fluid Membrane Phases

Leonardo Golubovic (Department of Physics, West Virginia University)

12:48 B21.04 DNA Mesophases: From Concentrated to Dilute

Rudolf Podgornik (Laboratory of Structural Biology, Division of Computer Research and Technology, National Institutes of Health, Bethesda, MD 20892 and Department of Theoretical Physics, J. Stefan Institute, Ljubljana, Slovenia)

13:24 B21.05 Scaling of Large Length Scales and Ultralow Tensions in Water-Oil-Amphiphile Systems

Reinhard Strey (Institute fuer Physikalische Chemie)

11:00 B22.01 MOCVD Growth of InGaIN Heterostructure Materials and Devices

Steven DenBaars (University of California)

11:36 B22.02 Growth Evolution of AIN on 6H-SiC Substrates

G.W. Auner, M.P. Le Kova, P. Zatyko, B.U.M. Rao, T. Daley, F. Jin (Dept. of Electrical and Computer Engineering), R. Naik (Dept. of Physics, Wayne State Univ. Detroit, MI), V.M. Naik (Univ. of Michigan-Dearborn, Dearborn, MI)

B22.03 Optical signature of the GaN (10øverline10) surface

C. Noguez, R. Esquivel-Sirvent (Instituto de Fisica, UNAM Apdo. Postal 20-364, 01000 Mexico D.F., MEXICO), S. E. Ulloa, D. A. Drabold (Dept. of Physics and Astronomy and CMSS program, Ohio University, Athens OH 45701)

12:00 B22.04 Structural models for the (0001) surfaces of group-III nitrides

J. Fritsch, O.F. Sankey, K.E. Schmidt, J.B. Page (Arizona State Univ.)

12:12 B22.05 Structure of Al on GaN by Photoelectron Holographic Imaging

Cui Chen, M. Keeffe, G.J. Lapeyre (Montana State University)

12:24 B22.06 Gain Spectroscopy in InGaN/GaN Quantum Well Diodes

M. Kuball, E. S. Jeon, Y.-K. Song, A. V. Nurmikko (Department of Physics and Division of Engineering, Brown University, Providence, RI 02912), P. Kozodoy, A. Abare, S. Keller, L. A. Coldren, U. K. Mishra, S. P. DenBaars (Department of Materials and Electrical Engineering, University of Santa Barbara, CA 93106), D. A. Steigerwald (Optoelectronic Division, Hewlett-Packard, San Jose, CA 95131-1008)

12:36 B22.07 Pressure Study of Photoluminescence in GaN/InGaN/ AlGaN Quantum Wells

Piotr Perlin (Ctr. for High Tech. Matls., U. New Mexico Albuquerque (on leave from ``Unipress'', Warsaw Poland)), V. Iota, B. A. Weinstein (SUNY at Buffalo), P. Wisniewski, M. Osinski, P. G. Eliseev (``Unipress'', Warsaw Poland)

12:48 B22.08 Optical Transitions and Recombination Dynamics in In_xGa_1-xN/GaN Multiple Quantum Wells

M. Smith, J.Y. Lin, H.X. Jiang (Kansas State University), M. Asif Khan, Q. Chen (APA Optics, Inc.)

13:00 B22.09 Time-Resolved Photoluminescence Studies of InGaN/AlGaN Multiple Quantum Wells

K.C. Zeng, M. Smith, J.Y. Lin, H.X. Jiang (Kansas State University), J.C. Robert, E.L. Piner, F.G. McIntosh, M. Bahbahani, S.M. Bedair (North Carolina State University), J. Zavada (Army Research Office)

12:48 B22.10 Geometrical Echo in Optical Response of Semiconductor Nanostructures

Alex V. Kuznetsov, John W. Wilkins (Ohio State University)

11:00 B23.01 Characterization of transformed CO using FTIR, VIS and Raman Spectroscopy

M.J. Lipp, W.J. Evans, V.G. Baonza, H.E. Lorenzana (Lawrence Livermore National Lab)

11:12 B23.02 Pressure Effects on T_c in Nb up to 40 GPa.

V.V. Struzhkin, R.J. Hemley, H.K. Mao (Geophysical Laboratory and Center for High-Pressure Research, Carnegie Institution of Washington)

11:24 B23.03 Si Nanocrystals Dispersed in Bulk Quartz: Optical Properties

H. E. Lorenzana, M. J. Lipp, P. Fiske, W. J. Nellis (Lawrence Livermore National Laboratory)

11:36 B23.04 Pressure Dependence of T_c in the Ba-Ca-Cu-O System

Y. Cao, Y. Y. Xue, Z. L. Du, L. Gao, C. W. Chu (Department of Physics and Texas Center for Superconductivity at the University of Houston, Houston TX 77204-5932)

11:48 B23.05 Variable-Cell-Shape Molecular Dynamics applied to Ternary Calcium Nitrides.

P.R. Vansant, P.E. Van Camp, V.E. Van Doren (University of Antwerpen (RUCA), Dept. of Physics, Groenenborgerlaan 171, B-2020 Antwerpen, Belgium), J.L. Martins, I. Souza (INESC, Rua Alves Redol 9, P-1000 Lisboa, Portugal)

12:00 B23.06 Tight-Binding Molecular Dynamics Simulations of Liquid Iron at High Pressure

L. Stixrude (Georgia Institute of Technology), E. Wasserman (Battelle Pacific Northwest National Laboratory), R. Cohen (Carnegie Institution of Washington)

12:12 B23.07 Solid Hydrogen: Still the Reluctant Alkali

Arthur L. Ruoff, Chandrabhas Narayana (Department of Mat. Sci., Cornell University)

12:24 B23.08 Cascading Fermi Resonances and the Soft Mode in Dense Ice.

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

12:36 B23.09 Symmeteric Hydrogen Bonds in Hydrous Magnesium Silicate at High Pressures*

H. Cynn, C.S. Yoo (Lawrence Livermore National Laboratory), Ann Hofmeister (Washington University)

12:48 B23.10 Elasticity, Strength, and Preferred Orientation of Materials under Uniaxial Stress to Multimegabar Pressures.

H.K. Mao, J. Shu, R.J. Hemley (Geophysical Laboratory and Center for High-Pressure Research, Carnegie Institution of Washington), A. K. Singh (National Aeronautical Lab., Bangalore)

13:00 B23.11 The Phase Diagram of Carbon at High Pressure and Temperature

James N. Glosli, Francis H. Ree (Lawrence Livermore National Laboratory)

13:12 B23.12 Synchrotron Infrared Spectroscopy of Orientationally Ordered Phases of Hydrogen.

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

B23.13 Synthesis of Novel 3D-Covalent Solids by Direct Elementary Reactions at High Pressures and Temperatures*

C. S. Yoo, H. Cynn (LLNL), M. Nicol (UCLA)

B23.14 First Principles Investigation of the Elastic Constants of Mg_2SiO_4 Forsterite at High Pressure

C. Da Silva, R. Wentzcovitch (University of Minnesota), L. Stixrude (Georgia Institute of Technology)

B23.15 Magnetic Collapse in Transition Metals Oxides at High Pressures

R.E. Cohen (Carnegie Institution of Washington and Center for High Pressure Research), I.I. Mazin (G. Mason University and NRL), D.G. Isaak (IGPP UCLA and Azusa Pacific University)

11:00 B24.01 Magnetic Nanowires at Stepped Surfaces

F.J. Himpsel (Univ. Wisconsin Madison)

11:36 B24.02 Domain Wall Structures in Ultrathin Fe films on Ag(001)

J. Dresselhaus, D. Spanke, F.U. Hillebrecht, E. Kisker (Institut für Angewandte Physik, Heinrich-Heine-Universität Düsseldorf, D-40225 Düsseldorf,)

11:48 B24.03 Step-Induced Unusual Magnetic Properties of Ultrathin Co/Cu films: Ab initio Study

A.V. Smirnov (Ames National Lab), A.M. Bratkovsky (Hewlett-Packard Labs, Palo Alto, CA)

12:00 B24.04 In-plane Anisotropy Anomalies in Magnetic Films

Elizabeth Smith, Roy Clarke (University of Michigan, Ann Arbor, MI 48109), R.A. Lukaszew, Ratna Naik (Wayne State University, Detroit, MI 48202)

12:12 B24.05 Studies of Coupled Co(100)/Ni(100) Films Grown on Cu(100)/Si(100).

R. Naik, P. Talagala, D. Yang, G. Dunifer, G. Auner (Wayne State University), V. Naik (University of Michigan-Dearborn), H. Zhao, H.R. Zhai (Nanjing University)

12:24 B24.06 Pair-Interaction Model of Magnetic Anisotropy in Tetragonally Distorted Epitaxial Cubic Films

Kin Ha, Robert O'Handley (Massachusetts Institute of Technology)

12:36 B24.07 First principles determination of magnetic anisotropy for Ni/Cu(001).

Ruqian Wu, Lujun Chen (California State U., Northridge), A.J. Freeman (Northwestern U.)

12:48 B24.08 Influence of a Thin Au Interface Layer on the Magnetic Properties of Co Sandwich Structures

James Eickmann, Charles Falco (University of Arizona)

13:00 B24.09 Ferromagnetic to Antiferromagnetic Coupling Transition in Mn and Cr Monolayer Films on fcc and bcc Substrates

W. L. O'Brien (UW Synchrotron Radiation Center), B. P. Tonner (University of Wisconsin-Milwaukee)

13:12 B24.10 Magnetic Anisotropy and Coupling in Epitaxial Co/Cr Trilayers on MgO (100) and (110) Substrates

J. Johanna Picconatto, Alexandra O'Brien, Zachary Hilt, Michael J. Pechan (Miami University), Eric E. Fullerton (Argonne National Laboratory)

13:24 B24.11 Destruction of growth-surface-driven perpendicular magnetic anisotropy in CoPt_3 alloy films by Si doping

A.L. Shapiro (UCSD), O. Vajk (Reed College), B.B. Maranville, F. Hellman (UCSD)

11:00 B25.01 Laser Ablation Plume Dynamics Relevant to Materials Synthesis and Analysis

David B. Geohegan (Solid State Division, Oak Ridge National Laboratory)

11:36 B25.02 Velocity-Resolved Planar Laser Induced Fluorescence Imaging of Pulsed Laser Ablation of Silicon

D. L. Capewell, D. G. Goodwin (California Institute of Technology), P. H. Paul, Q. V. Nguyen (Sandia National Laboratories)

11:48 B25.03 Emission Studies of Mn During Pulsed Laser Deposition of Manganites in O_2 and N_2O Atmosphere

Arunava Gupta, Philippe Lecoeur (IBM T. J. Watson Research Center), G.Q. Gong, Gang Xiao (Brown University)

12:00 B25.04 Laser-Ablation Plume Dynamics: Mass Spectrometric Studies During Pulsed Laser Deposition

Robert E. Leuchtner (Department of Physics)

12:36 B25.05 Optical Probing of Absolute Pressure Amplitudes on a Nanosecond Time Scale Induced by Pulsed Laser Vaporization, Desorption, and Ablation

O. Yavas, R.F. Haglund (Vanderbilt University), A. Schilling, J. Bischof, J. Boneberg, P. Leiderer (University of Konstanz, Germany)

12:48 B25.06 Mechanism of Pulsed Laser Deposition of Complex Oxides Utilizing a "Shadow"

Z. Trajanovic, S. Choopun, R.P. Sharma, T. Venkatesan (Center for Superconductivity Research, University of Maryland)

13:00 B25.07 Laser Desorption and Ablation from Insulators by Visible and Infrared Lasers

H.K. Park, O. Yavas, R.F. Haglund (Vanderbilt University)

13:12 B25.08 Laser induced forward transfer of PECVD amorphous silicon assisted by hydrogen evolution

M.J. Bennahmias, M.O. Thompson, P.G. Carey, P.M. Smith, P Wickboldt (LLNL), T.W. Sigmon

11:00 B26.01 A New Model of Fracture through Phase Transition at the Crack Tip

A. A. Al-Falou, R. C. Ball (Cavendish Laboratory)

11:12 B26.02 Prediction of Enhanced Ductility in MoSi2 from first principles

Umesh Waghmare, Efthimios Kaxiras (Dept. of Physics, Harvard University, Cambridge, MA 02138), Vasily Bulatov (Dept. of Mech. Engineering, MIT, Cambridge, MA 02139), M. S. Duesbery (Fairfax Materials Research, Inc., Springfield, VA 22153)

11:24 B26.03 Molecular Dynamics Simulation of Dynamic Fracture in Nanowires

P. Walsh, K. Tsuruta, R. K. Kalia, P. Vahshishta (Concurrent Computing Laboratory for Materials Simulations, Dept. of Physics amp; Astronomy, Dept. of Computer Science, Louisiana State University)

11:36 B26.04 Thermal and Mechanical Properties of FCC metals and their binary Alloys

Mustafa Uludogan, Gulay Dereli, Mehmet Tomak (Department of Physics, Middle East Technical University), Tahir Cagin (Materials Simulation Center, California Institute of Technology)

11:48 B26.05 Thermally Activated Processes Evident from the Stress verses >Strain Behavior of Particulate Polymer Composites

Donald Wiegand (Picatinny Arsenal)

12:00 B26.06 Thermal-donor formation and oxygen-percipitate nucleation in silicon

Sokrates T. Pantelides, Madhav Ramamoorthy (Vanderbilt University)

12:12 B26.07 Optical Properties of Doped KDP Crystals

M. Yan, P. Santiago, M. Staggs, J. De Yoreo, L. Carman, N. Zaitseva (Lawrence Livermore National Laboratory, Livermore, CA 94551)

12:24 B26.08 Optically Induced Reorientation of Dipolar Defects in Pr^3+ Doped Fluorite Crystals

Forrest Charnock, G. Eric Matthews, R.T. Williams (Wake Forest University)

12:36 B26.09 Defect Dynamics in Tetragonal Zirconia

R. Platzer, E. Karapetrova, Matthew O. Zacate, J. A. Gardner (Department of Physics, Oregon State University), W. E. Evenson (Brigham Young University), J. A. Sommers (Teledyne Wah Chang Albany)

12:48 B26.10 Effects Of Radiation Damage On Electronic Properties Of Rare Earth Ions In Zircon

G. K. Liu, J. M. Hanchar (Argonne National Laboratory), D. J. Cherniak , E. B. Watson (Rensselare Polytechnic Institute)

13:00 B26.11 Excitonic Energy Transfer Model for Fluorescence Dynamics in Conjugated Polymers

K.K. Liang, R.H. Hsu (Department of Physics, National Taiwan University, Taipei, Taiwan), A. Pakhomov, W.S. Fann, S.H. Lin (Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei, Taiwan)

B26.12 Study of Fracture in SiC by Parallel Molecular Dynamics Simulations

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

B26.13 Au-Cu Ordered Intermetallic Compounds: Structure, Thermodynamics and Mechanical Properties

Tahir Cagin (Materials Simulation Center, California Institute of Technology), Yoshitaka Kimura (Nippon Steel Corp.), Hao Li, William A. Goddard (Materials Simulation Center, California Institute of Technology)

11:00 B27.01 An In-situ AFM Investigation of Protein Crystallization

Terry Land, James J. De Yoreo, Joe Lee (Lawrence Livermore National Laboratory), Alexander Malkin, Yu. G. Kutznetsov, Alex McPherson (University of California at Riverside)

11:12 B27.02 Composition Dependence of the Time-dependent Nucleation Rate in Na_2O.2CaO.3SiO_2 Glasses.

K. Lakshmi Narayan, K. F. Kelton (Department of Physics, Washington University, St. Louis, MO 63130)

11:24 B27.03 The Effect of Anisotropy on the Diffusion, Nucleation and Growth of Pt on Pt(100)-hex and Pt(110) Surfaces

Flemming Besenbacher (Center for Atomic-scale Materials Physics and Institute of Physics and Astronomy, University of Aarhus, DK-8000 Aarhus C., Denmark)

12:00 B27.04 Effect of Dislocation Cores on Surface Vicinality and Growth Rate of KH2PO4 (101)

James J. De Yoreo, Terry Land, Joe Lee (Lawrence Livermore National Laboratory)

12:12 B27.05 Kinetic Investigations of the Initial Oxidation Stage of Cu

Judith Yang, Mark Yeadon, J. M. Gibson (UIUC)

12:24 B27.06 Crystallization of Iridium Oxide/Tantalum Oxide Composite Thin Films Formed by Metalorganic Decomposition (MOD).

F. Chen, G. Auner, R. Naik, L.E. Wenger (Wayne State University), J. Mantese (GM Ramp;D Laboratory)

12:36 B27.07 Hot STM Studies of Initial Nucleation and Growth of MBE of Si on Si(001)

Eric Ganz (University of Minnesota)

13:12 B27.08 Nucleation in a Ni-13at%Al-Alloy - Polarized Neutron Scattering = Studies and Clusterdynamics Modelling

P. Staron, M. Haese-Seiler, R. Kampmann, R. Wagner (GKSS Forschungszentrum, 21502 Geesthacht, Germany)

13:24 B27.09 Compositional Dependence of Nucleation Rates in Metallic Alloys

T. Kevin Croat (), K.F. Kelton (Department of Physics, Washington University, St. Louis, MO 63130)

B27.10 High Energy Ion Scattering Studies of Epitaxially Grown Iron Oxide Films on MgO and Al_2O_3 Substrates

S Thevuthasan, Y. Gao, Y.J. Kim, S.A. Chambers, G.S. Herman (Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, WA 99352), N.R. Shivaparan, R.J. Smith (Department of Physics, Montana State University, Bozeman, MT 59717)

11:00 B28.01 Mechanical and Electronic Transport Properties of Metallic Nanocontacts

Nicolas Agrait (Universidad Autónoma de Madrid, Spain)

11:36 B28.02 The Effect of Water on Lateral Force Microscopy (LFM) in Air

Richard Piner, Chad A. Mirkin (Northwestern University)

11:48 B28.03 Lateral Compliance of Nanoscale contacts: a model-independent method to determine the contact area

Miquel Salmeron (), Robert Carpick (Lawrence Berkeley National Laboratory and Department of Physics, University of California at Berkeley), Frank Ogletree (Lawrence Berkeley National Laboratory)

12:00 B28.04 Attonewton force detection using vertical cantilevers

Timothy Stowe, Thomas Kenny (Stanford University), Koichi Wago, David Botkin, Daniel Rugar (IBM Research Division)

12:12 B28.05 Ab initio Study of Molybdenum Oxide Sliding on Molybdenum Disulfide

Greg Smith, Umesh Waghmare, Efthimios Kaxiras (Dept. of Physics, Harvard Univeristy, Cambridge, MA 02138)

12:24 B28.06 Application of Inorganic Fulleren-like Materials as Tribological Nanocomposites

L. Rappoport, Yu. Bilik (Department of Mechanics and Control, Ctr for Technological Education-Holon, P.O. Box 305 Holon 58102, Israel), Y. Feldman, M. Homyonfer (Department of Materials and Interfaces, Weizmann Institute, Rehovot 76100, Israel), S. Cohen, H. Cohen (Department of Chemical Services, Weizmann Institute, Rehovot 76100, Israel), R. Tenne (Department of Materials and Interfaces, Weizmann Institute, Rehovot 76100, Israel)

12:36 B28.07 Nanotribology studies of carbonate and phosphate single crystal surfaces in aqueous media

L. Scudiero, S. C. Langford, J. T. Dickinson (Washington State University.)

12:48 B28.08 Investigation of Marring Mechanism of Polymeric Surface Coatings by SPM

Weidian Shen, Stanley M. Smith, Frank N. Jones (Eastern Michigan University, Ypsilanti, MI 48197), M. P. Everson, Rose A. Ryntz (Ford Motor Company, Dearborn MI 48121)

11:00 B29.01 Structure and Degree of Crystallinity in High-Pressure Crystallized PET: Influence of the Crystal Interface

F.J. Balta Calleja (Instituto de Estructura de la Materia, CSIC, Madrid, Spain)

11:36 B29.02 Frustrated polymer crystal structures

B. Lotz (Institut Charles Sadron (CNRS - ULP), 67083 Strasbourg (France))

12:00 B29.03 Melting of Locally Reversible and Irreversible Crystallinity in Temperature-Modulated Calorimetry

Bernhard Wunderlich (Univ. Tennessee, Knoxville and Oak Ridge Natl. Lab)

12:12 B29.04 Metastability in Polymer Phase Transition Behavior

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

12:24 B29.05 Optical Measurement of Polyethylene Spherulite Growth Rates in Three Growth Regimes: Comparison with Nucleation Theory Predictions

J.P. Armistead (Naval Research Laboratory, Chemistry Division, Washington, D.C.), J.D. Hoffman (Johns Hopkins University, Baltimore, MD)

12:36 B29.06 Electron Diffraction and Computer Modeling Studies of the Crystal Structure of CTFMP Poly(butylene terephthalate) \alpha-Form Single Crystals

J. Liu, P. H. Geil (Univ. of Illinois)

12:48 B29.07 Simulations of Early-stage Nucleation and Chain Folding

C. Liu, M. Muthukumar (University of Massachusetts, Amherst)

13:00 B29.08 Unit-Cell Dilation in Metallocene Monoclinic Polypropylenes

J.R. Isasi, L. Mandelkern (Florida State University), R.G. Alamo (Florida Agricultural and Mechanical University and Florida State University College of Engineering)

13:12 B29.09 Precrystallisation fluctuation phenomena in homopolymer melts.

A.J. Ryan, J.P.A. Fairclough, N.J. Terrill, R.J. Young (Manchester Materials Science Centre, UMIST, Grosvenor Street, Manchester M1 7HS, UK), E. Towns-Andrews, B.U. Komanschek (CLRC Daresbury Laboratory, Warrington, WA4 4AD, UK)

13:24 B29.10 Lattice Dynamic Study of Temperature-Dependent Properties of Poly(ethylene terephthalate) Crystal Phase

G.C. Rutledge (Department of Chemical Engineering, MIT)

13:36 B29.11 On the Applicability of the Linear Hoffman-Weeks Extrapolation to Determine the Equilibrium Melting Temperature of Semi-rigid Polymers.

S. Srinivas, H. Marand (NSF Science and Technology Center for High Performance Polymeric Adhesives and Composites, Department of Chemistry, Virginia Tech, Blacksburg, VA 24061-0212.)

13:48 B29.12 Fold and Lateral Surface Free Energies for Crystals of Cyclic and Linear Fractions of Polydimethylsiloxane.

C.R. Snyder, H. Marand (NSF-STC for High Performance Polymeric Adhesives and Composites, Chemistry Department, Virginia Tech, Blacksburg, VA 24061-0212), J.M. DeSimone (Chemistry Department, University of North Carolina, Chapel Hill, NC 27599-3290), S.J. Clarson (Materials Science and Engineering and The Polymer Research Center, University of Cincinnati, Cincinnati, OH 45221-0012.)

11:00 B31.01 Structural Recovery and Physical Aging after Relative Humidity Jumps: First Evidence of a Memory Effect

Won Hee Han, Gregory B. McKenna (NIST)

11:12 B31.02 Does Thermorheological Complexity in Blends Relate to Thermorheological Complexity of Homopolymers?

J.C. Hooker, J.M. Torkelson (Northwestern University)

11:24 B31.03 Time-Strain Superposition in Polymer Glasses

Paul A. O'Connell, Gregory B. McKenna (NIST)

11:36 B31.04 Glass-Transition Width in Miscible Blends

Peter Couchman (Rutgers University, Department of Chemical & Biochemical Engineering, Piscataway, NJ 08855-0909)

11:48 B31.05 Determination of Torsion Angles in Unoriented Polymers by 2D Double-Quantum Solid-State NMR

K. Schmidt-Rohr, W. Hu, M. G. Dunbar (PSE Dept., Univ. of Massachusetts (Amherst)), N. Zumbulyadis (Kodak (Rochester))

12:00 B31.06 The Impact of Structural Recovery on Dyanamic DSC Measurements: Tool- Narayanaswamy Model Calculations for Typical Polymers

Sindee L. Simon (University of Pittsburgh), Gregory B. McKenna (NIST)

12:12 B31.07 Effect of moisture on the Thermally Stimulated Depolarization Spectrum of Nylon-6.

E. Laredo, M.C. Hernández (Universidad Simón Bolívar, Caracas, Venezuela)

12:24 B31.08 Atomic Force Probe of Mesoscopic Dielectric and Viscoelastic Fluctuations near the Glass Transition

L.E. Walther, N.E. Israeloff (Dept. of Physics, Northeastern Univ., Boston, MA 02115)

12:36 B31.09 Molecular Friction in Disordered Tetrablock Copolymers.

B.R. Chapman, M.W. Hamersky, J.M. Milhaupt, T.P. Lodge (Univ. of Minnesota), E.D. von Meerwall (Univ. of Akron)

12:48 B31.10 Morphology Effects on Block Copolymer Self-Diffusion

M. W. Hamersky, M. A. Hillmyer, F. S. Bates, M. Tirrell, T. P. Lodge (University of Minnesota)

13:00 B31.11 Melt Studies of Multiblock Polyurethane Elastomers

Sachin Velankar, S.L. Cooper (Department of Chemical Engineering, University of Delaware.)

13:12 B31.12 Methods to Alter Entanglements prior to Processing.

A.L Apitchi, J.V. Ortat, J.P. Ibar (EKNET Research, New Canaan CT 06840 USA.)

12:00 B'30.01 Lifshitz Behavior and Microemulsions in Polymer/Polymer/Copolymer Mixtures

W. W. Maurer, P. M. Lipic, F. S. Bates, T. P. Lodge, M. A. Hillmyer (University of Minnesota), K. Almdal, K. Mortensen (Riso National Laboratory)

12:12 B'30.02 Thickness Induced Morphology Changes in Lamellar Diblock Copolymer Ultrathin Films

Terry L. Morkved, Heinrich M. Jaeger (University of Chicago)

12:24 B'30.03 Stretched to Collapsed Transition of Block Copolymer Brushes in Polymer Melts

R. Oslanec, R.J. Composto (Materials Science and Engineering, and LRSM, University of Pennsylvania, Philadelphia), P. Vlcek (Institute of Macromolecular Chemistry, Prague), W.A. Hamilton (ORNL, Oak Ridge)

12:36 B'30.04 Direct Observation of Single DNA Molecules in Elongational Flows

T. T. Perkins, D. E. Smith, S. Chu (Stanford University), R. G. Larson (University of Michigan)

12:48 B'30.05 Templates from Rubbed Polymer Surfaces

James M Sands, Sanat K Kumar (The Pennsylvania State University), Michael F Toney (IBM Almaden Research Center), Thomas P Russell (University of Massachusetts at Amherst)

12:48 B'3.01 Atomic Resolution Holography Using Hard X-Rays

Gyula Faigel (Research Institute for Solid State Physics Budapest POB 49 Hungary)

13:24 B'3.02 Multiple Energy X-Ray Holography

Thomas Gog (CMC Cat, Advanced Photon Source, ANL, Argonne,IL 60439)