Volume 42, Issue 11

15 October 1990

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ARTICLES

Embedded-atom-method study of coherency and elastic moduli of Pd-Cu multilayers

C. M. Gilmore and V. Provenzano

Phys. Rev. B 42, 6899 (1990) - Published 15 October, 1990

Galvanomagnetic phenomena and surface roughness in thin metallic films

D. Calecki

Phys. Rev. B 42, 6906 (1990) - Published 15 October, 1990

Coordinate-permutable cubic harmonics and their determination

Sidney Golden and Thomas R. Tuttle, Jr.

Phys. Rev. B 42, 6916 (1990) - Published 15 October, 1990

Chemical modification of positronium formation at metal surfaces

R. H. Howell, M. Tuomisaari, and Y. C. Jean

Phys. Rev. B 42, 6921 (1990) - Published 15 October, 1990

Structural and electronic properties of the liquid polyvalent elements. II. The divalent elements

W. Jank and J. Hafner

Phys. Rev. B 42, 6926 (1990) - Published 15 October, 1990

Deviation of spin susceptibility of small metallic particles as predicted by the random-matrix theory

Keisaku Kimura

Phys. Rev. B 42, 6939 (1990) - Published 15 October, 1990

Commensurability transitions in multilayers: A response to substrate-induced elastic stress

James M. Phillips and T. R. Story

Phys. Rev. B 42, 6944 (1990) - Published 15 October, 1990

Oxygen-induced missing-row reconstruction of Cu(001) and Cu(001)-vicinal surfaces

I. K. Robinson, E. Vlieg, and S. Ferrer

Phys. Rev. B 42, 6954 (1990) - Published 15 October, 1990

Some phonon effects in S(q) for bcc metals

A. M. Rosenfeld and M. J. Stott

Phys. Rev. B 42, 6963 (1990) - Published 15 October, 1990

Core polarization and the dielectric response of simple metals

K. Sturm, E. Zaremba, and K. Nuroh

Phys. Rev. B 42, 6973 (1990) - Published 15 October, 1990

Transformations preceding amorphization in Cr-Ti and Cr-Ti-Fe β phases

Ch. Wirz, A. Blatter, N. Baltzer, and M. von Allmen

Phys. Rev. B 42, 6993 (1990) - Published 15 October, 1990

Surface relaxation in c(2×2)Cl/Ni(100) determined by the soft-x-ray standing-wave method combined with surface-extended x-ray-absorption fine-structure spectroscopy

T. Yokoyama, Y. Takata, T. Ohta, M. Funabashi, Y. Kitajima, and H. Kuroda

Phys. Rev. B 42, 7000 (1990) - Published 15 October, 1990

Local density of states for transition-metal interfaces

R. Baquero, A. Noguera, A. Camacho, and L. Quiroga

Phys. Rev. B 42, 7006 (1990) - Published 15 October, 1990

Plasmons in a superlattice with periodic defects

H. L. Cui and Godfrey Gumbs

Phys. Rev. B 42, 7015 (1990) - Published 15 October, 1990

Subpicosecond luminescence study of tunneling and relaxation in coupled quantum wells

B. Deveaud, A. Chomette, F. Clerot, P. Auvray, A. Regreny, R. Ferreira, and G. Bastard

Phys. Rev. B 42, 7021 (1990) - Published 15 October, 1990

Phonon frequencies for Si-Ge strained-layer superlattices calculated in a three-dimensional model

R. A. Ghanbari, J. D. White, G. Fasol, C. J. Gibbings, and C. G. Tuppen

Phys. Rev. B 42, 7033 (1990) - Published 15 October, 1990

Envelope-function approximation for nonrectangular ${Hg}_{1 - x}$ ${Cd}_{x}$ Te superlattices

K. C. Hass and D. J. Kirill

Phys. Rev. B 42, 7042 (1990) - Published 15 October, 1990

Long-range ordering of Sb multilayers on GaAs(110): Evolution of resonant inverse photoemission

Yongjun Hu, M. B. Jost, T. J. Wagener, and J. H. Weaver

Phys. Rev. B 42, 7050 (1990) - Published 15 October, 1990

Picosecond electron-hole droplet formation in indirect-gap ${Al}_{x}$ ${Ga}_{1 - x}$ As

H. Kalt, K. Reimann, W. W. Rühle, M. Rinker, and E. Bauser

Phys. Rev. B 42, 7058 (1990) - Published 15 October, 1990

Effect of collisions and relaxation on coherent resonant tunneling: Hole tunneling in GaAs/ ${Al}_{x}$ ${Ga}_{1 - x}$ As double-quantum-well structures

Karl Leo, Jagdeep Shah, J. P. Gordon, T. C. Damen, D. A. B. Miller, C. W. Tu, and J. E. Cunningham

Phys. Rev. B 42, 7065 (1990) - Published 15 October, 1990

Electric-field effects on shallow impurity states in GaAs-(Ga,Al)As quantum wells

J. López-Gondar, J. d’Albuquerque e Castro, and Luiz E. Oliveira

Phys. Rev. B 42, 7069 (1990) - Published 15 October, 1990

Phonon-drag thermoelectric power in ${Al}_{x}$ ${Ga}_{1 - x}$ As/GaAs heterojunctions at low temperatures

Y. Okuyama and N. Tokuda

Phys. Rev. B 42, 7078 (1990) - Published 15 October, 1990

Exciton binding energies in semiconductor superlattices: An anisotropic-effective-medium approach

M. F. Pereira, Jr., I. Galbraith, S. W. Koch, and G. Duggan

Phys. Rev. B 42, 7084 (1990) - Published 15 October, 1990

Interplanar forces and phonon spectra of strained Si and Ge: Ab initio calculations and applications to Si/Ge superlattices

A. Qteish and E. Molinari

Phys. Rev. B 42, 7090 (1990) - Published 15 October, 1990

Generalized Franz-Keldysh theory of electromodulation

H. Shen and Fred H. Pollak

Phys. Rev. B 42, 7097 (1990) - Published 15 October, 1990

Optical properties of liquid Se-Te alloys

Larry A. Silva and Melvin Cutler

Phys. Rev. B 42, 7103 (1990) - Published 15 October, 1990

Carrier relaxation and luminescence polarization in quantum wells

T. Uenoyama and L. J. Sham

Phys. Rev. B 42, 7114 (1990) - Published 15 October, 1990

Nonlinear optical properties of GaAs/ ${Ga}_{1 - x}$ ${Al}_{x}$ As superlattices

H. Xie, L. R. Friedman, and L. R. Ram-Mohan

Phys. Rev. B 42, 7124 (1990) - Published 15 October, 1990

Density of states and thermodynamic properties of a two-dimensional electron gas in a strong external magnetic field

X. C. Xie, Q. P. Li, and S. Das Sarma

Phys. Rev. B 42, 7132 (1990) - Published 15 October, 1990

Electronic structure of β- ${FeSi}_{2}$

N. E. Christensen

Phys. Rev. B 42, 7148 (1990) - Published 15 October, 1990

Nonvariational numerical calculations of excitonic properties in quantum wells in the presence of strain, electric fields, and free carriers

J. P. Loehr and J. Singh

Phys. Rev. B 42, 7154 (1990) - Published 15 October, 1990

Theory for the instability of the diamond structure of Si, Ge, and C induced by a dense electron-hole plasma

P. Stampfli and K. H. Bennemann

Phys. Rev. B 42, 7163 (1990) - Published 15 October, 1990

Stability of DX centers in ${Al}_{x}$ ${Ga}_{1 - x}$ As alloys

S. B. Zhang and D. J. Chadi

Phys. Rev. B 42, 7174 (1990) - Published 15 October, 1990

Analysis of the fractional-quantum-Hall-effect ground state in the symmetric gauge

G. Chiappe, C. Mendez, and J. Simonin

Phys. Rev. B 42, 7178 (1990) - Published 15 October, 1990

Thermal-expansion anisotropy in the quaternary semiconductor ${CuGaGe}_{1 - x}$ ( $V_{Ge}$ $)_{x}$ ${Se}_{4}$ at elevated temperatures

P. Kistaiah, C. Vishnuvardhan Reddy, and K. Satyanarayana Murthy

Phys. Rev. B 42, 7186 (1990) - Published 15 October, 1990

Random-Bethe-lattice model applied to the electronic structure of amorphous and liquid silicon

L. Martn-Moreno and J. A. Vergés

Phys. Rev. B 42, 7193 (1990) - Published 15 October, 1990

Self-consistent unifying theory of the electronic structure of metal-semiconductor systems

Pierre Masri

Phys. Rev. B 42, 7204 (1990) - Published 15 October, 1990

Line shapes of intersubband and excitonic recombination in quantum wells: Influence of final-state interaction, statistical broadening, and momentum conservation

J. Christen and D. Bimberg

Phys. Rev. B 42, 7213 (1990) - Published 15 October, 1990

Vibrational properties versus on- and off-axis behavior of the $F_{A}$ ( ${Li}^{+}$ ) center in alkali halides

M. Leblans, W. Joosen, and D. Schoemaker

Phys. Rev. B 42, 7220 (1990) - Published 15 October, 1990

BRIEF REPORTS

Evidence for trimer reconstruction of Si(111) √3 × √3 -Sb: Scanning tunneling microscopy and first-principles theory

P. Mårtensson, G. Meyer, N. M. Amer, E. Kaxiras, and K. C. Pandey

Phys. Rev. B 42, 7230 (1990) - Published 15 October, 1990

Vibrational evidence of surface reconstruction in the Ni(100)/O system obtained using high-resolution electron-energy-loss spectroscopy

J. Colin de Verdière, J. Szeftel, and P. Soukiassian

Phys. Rev. B 42, 7234 (1990) - Published 15 October, 1990

Commensurate reconstruction on a (001) facet of a gold particle

M. Mitome, K. Takayanagi, and Y. Tanishiro

Phys. Rev. B 42, 7238 (1990) - Published 15 October, 1990

Low-energy cathodoluminescence experiment with polarized electrons and a negative-electron-affinity GaAs target

Dorothee Göckel, Günter Baum, Bärbel Fromme, Volker Lehmann, Birgit Lohmann, and Wilhelm Raith

Phys. Rev. B 42, 7242 (1990) - Published 15 October, 1990

Identification of bonded species in hydrogenated fluorinated amorphous silicon

A. A. Langford, B. P. Nelson, M. L. Fleet, and R. S. Crandall

Phys. Rev. B 42, 7245 (1990) - Published 15 October, 1990

Entropy of a Frenkel pair in silicon

A. K. Macpherson

Phys. Rev. B 42, 7249 (1990) - Published 15 October, 1990

Quantum size effects on the exciton energy of CdS clusters

Ying Wang and Norman Herron

Phys. Rev. B 42, 7253 (1990) - Published 15 October, 1990

Lattice dynamics of superlattices with interface roughness

Bernard Jusserand

Phys. Rev. B 42, 7256 (1990) - Published 15 October, 1990

ERRATA

Erratum: Impurity photoconductivity spectra of Zn ${Ga}_{2}$ ${Se}_{4}$ : ${Co}^{2 +}$ single crystals

Yong-Geun Kim, Hyung-Gon Kim, Wha-Tek Kim, Jin Sup Kim, Dong Sung Ma, and Hong-Lee Park

Phys. Rev. B 42, 7260 (1990) - Published 15 October, 1990

Erratum: Magnetoexciton spectrum of GaAs-AlAs quantum wells

Doran D. Smith, M. Dutta, X. C. Liu, A. F. Terzis, A. Petrou, M. W. Cole, and P. G. Newman

Phys. Rev. B 42, 7260 (1990) - Published 15 October, 1990

Erratum: Confirmation of the temperature-dependent photovoltaic effect on Fermi-level measurements by photoemission spectroscopy

S. Chang, I. M. Vitomirov, L. J. Brillson, D. F. Rioux, P. D. Kirchner, G. D. Pettit, J. M. Woodall, and M. H. Hecht

Phys. Rev. B 42, 7261 (1990) - Published 15 October, 1990

RAPID COMMUNICATIONS

RAPID COMMUNICATION

Soft-x-ray magnetic circular dichroism at the $L_{2, 3}$ edges of nickel

C. T. Chen, F. Sette, Y. Ma, and S. Modesti

Phys. Rev. B 42, 7262(R) (1990) - Published 15 October, 1990

RAPID COMMUNICATION

Universal dependence on the average conductance of conductance fluctuations in disordered metals

R. Harris and Ahmed Houari

Phys. Rev. B 42, 7266(R) (1990) - Published 15 October, 1990

RAPID COMMUNICATION

First-principles calculation of the magnetic anisotropy energy of (Co $)_{n}$ /(X $)_{m}$ multilayers

G. H. O. Daalderop, P. J. Kelly, and M. F. H. Schuurmans

Phys. Rev. B 42, 7270(R) (1990) - Published 15 October, 1990

RAPID COMMUNICATION

Band-gap renormalization in direct-band-gap ${Al}_{x}$ ${Ga}_{1 - x}$ As

M. Rinker, H. Kalt, K. Reimann, Y.-C. Lu, and E. Bauser

Phys. Rev. B 42, 7274(R) (1990) - Published 15 October, 1990

RAPID COMMUNICATION

Annealing-temperature influence on the dispersive diffusion of hydrogen in undoped a-Si:H

X.-M. Tang, J. Weber, Y. Baer, and F. Finger

Phys. Rev. B 42, 7277(R) (1990) - Published 15 October, 1990

RAPID COMMUNICATION

Photoluminescence from the quasi-two-dimensional electron gas at a single silicon δ-doped layer in GaAs

J. Wagner, A. Fischer, and K. Ploog

Phys. Rev. B 42, 7280(R) (1990) - Published 15 October, 1990

RAPID COMMUNICATION

Dynamics of exciton localization in a ${CdSe}_{0.5}$ $S_{0.5}$ mixed crystal

L. Q. Zu, J. Y. Lin, and H. X. Jiang

Phys. Rev. B 42, 7284(R) (1990) - Published 15 October, 1990

RAPID COMMUNICATION

Scanning-tunneling-microscopy study of InSb(110)

L. J. Whitman, Joseph A. Stroscio, R. A. Dragoset, and R. J. Celotta

Phys. Rev. B 42, 7288(R) (1990) - Published 15 October, 1990

RAPID COMMUNICATION

Intrinsic bistability in resonant-tunneling structures

J. O. Sofo and C. A. Balseiro

Phys. Rev. B 42, 7292(R) (1990) - Published 15 October, 1990