Volume 55, Issue 5

1 February 1997

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BRIEF REPORTS

Structure, structural phase transitions, mechanical properties, defects, etc.

${}^{31}P$ nuclear-magnetic-relaxation study of ${KTiOPO}_{4}$

J. K. Han, D. K. Oh, C. H. Lee, Cheol Eui Lee, J. N. Kim, and S. C. Kim

Phys. Rev. B 55, 2687 (1997) - Published 1 February, 1997

Monoclinic high-pressure phase of ${AgGaS}_{2}$ s

Hiromi Kitahara, Nobuo Ishizawa, Fumiyuki Marumo, and Yasutoshi Noda

Phys. Rev. B 55, 2690 (1997) - Published 1 February, 1997

${}^{27}$ Al NMR of the incommensurate phase in ${AlPO}_{4}$ s

T. Apih, U. Mikac, A. V. Kityk, and R. Blinc

Phys. Rev. B 55, 2693 (1997) - Published 1 February, 1997

Role of d screening in ion-excited electron emission from Ca

J. A. D. Matthew, M. A. Gallon, and T. E. Gallon

Phys. Rev. B 55, 2697 (1997) - Published 1 February, 1997

Inhomogeneous, disordered, and partially ordered systems

Tunneling states in vitreous ${GeO}_{2}$ s

Christiane Laermans, Veerle Keppens, and Robert Weeks

Phys. Rev. B 55, 2701 (1997) - Published 1 February, 1997

Dynamics, dynamical systems, lattice effects, quantum solids, etc.

Scaling function for the number of alternating percolation clusterson self-dual finite square lattices

Chin-Kun Hu and B. I. Halperin

Phys. Rev. B 55, 2705 (1997) - Published 1 February, 1997

Magnetism

Effect of S= fractional spin on nuclear magnetic relaxation in a S=1 Heisenberg antiferromagnetic linear chain system

Takao Goto, Shuichi Satoh, Yukiko Matsumura, and Masayuki Hagiwara

Phys. Rev. B 55, 2709 (1997) - Published 1 February, 1997

Spin stiffness in the frustrated Heisenberg antiferromagnet

M. S. L. du Croo de Jongh and P. J. H. Denteneer

Phys. Rev. B 55, 2713 (1997) - Published 1 February, 1997

Scaling function for the spin correlation lengthin the two-dimensional quantum nonlinear σ model

R. E. Hetzel and A. Sudbø

Phys. Rev. B 55, 2717 (1997) - Published 1 February, 1997

Finite-size scaling for low-energy excitations in integer Heisenberg spin chains

Shaojin Qin, Yu-Liang Liu, and Lu Yu

Phys. Rev. B 55, 2721 (1997) - Published 1 February, 1997

Possible suppression of canted spin order in the double-exchange lanthanum manganites

S. K. Mishra, S. Satpathy, F. Aryasetiawan, and O. Gunnarsson

Phys. Rev. B 55, 2725 (1997) - Published 1 February, 1997

Bandwidth-control-induced insulator-metal transition in $\Pr_{0.65}$ ( ${Ca}_{1 - y}$ ${Sr}_{y}$ $)_{0.35}$ ${MnO}_{3}$ and $\Pr_{0.7}$ ${Ca}_{0.3}$ ${MnO}_{3}$

H. Yoshizawa, R. Kajimoto, H. Kawano, Y. Tomioka, and Y. Tokura

Phys. Rev. B 55, 2729 (1997) - Published 1 February, 1997

Isotope effect on exchange in antiferromagnetic insulators

R. Hlubina and G. K. Sadiek

Phys. Rev. B 55, 2733 (1997) - Published 1 February, 1997

${CePt}_{2}$ ${Si}_{2}$ : A Kondo lattice compound with no magnetic ordering down to 0.06 K

P. Dalmas de Réotier, A. Yaouanc, R. Calemczuk, A. D. Huxley, C. Marcenat, P. Bonville, P. Lejay, P. C. M. Gubbens, and A. M. Mulders

Phys. Rev. B 55, 2737 (1997) - Published 1 February, 1997

Surface magnetism in the strongly correlated Hubbard model

M. Potthoff and W. Nolting

Phys. Rev. B 55, 2741 (1997) - Published 1 February, 1997

Experimental determination of magnetic polariton dispersion curves in ${FeF}_{2}$

M. R. F. Jensen, S. A. Feiven, T. J. Parker, and R. E. Camley

Phys. Rev. B 55, 2745 (1997) - Published 1 February, 1997

Magnetic phase transition in ${La}_{0.7}$ ${Sr}_{0.3}$ ${MnO}_{3}$ : Microwave absorption studies

S. E. Lofland, V. Ray, P. H. Kim, S. M. Bhagat, M. A. Manheimer, and S. D. Tyagi

Phys. Rev. B 55, 2749 (1997) - Published 1 February, 1997

Unified approach to thickness-driven magnetic reorientation transitions

H. P. Oepen, M. Speckmann, Y. Millev, and J. Kirschner

Phys. Rev. B 55, 2752 (1997) - Published 1 February, 1997

Superfluidity and superconductivity

Phase diagram of the two-dimensional lattice Coulomb gas

Pramod Gupta and S. Teitel

Phys. Rev. B 55, 2756 (1997) - Published 1 February, 1997

Statistical mechanics of the magnetized planar Bose gas

J. Daicic and N. E. Frankel

Phys. Rev. B 55, 2760 (1997) - Published 1 February, 1997

Detection of pairing correlation in the two-dimensional Hubbard model

Kazuhiko Kuroki, Hideo Aoki, Takashi Hotta, and Yasutami Takada

Phys. Rev. B 55, 2764 (1997) - Published 1 February, 1997

Anisotropy of the superconducting gap in ${CeCo}_{2}$ s

Y. Aoki, T. Nishigaki, H. Sugawara, and H. Sato

Phys. Rev. B 55, 2768 (1997) - Published 1 February, 1997

Vortex-charge interaction and Aharonov-Casher effect in two-dimensional superconductors

E. ̆Simánek

Phys. Rev. B 55, 2772 (1997) - Published 1 February, 1997

Electron tunneling through a BCS superconductor with an unpaired electron

Zhenghao Wang and Changde Gong

Phys. Rev. B 55, 2776 (1997) - Published 1 February, 1997

Electron states and Fermi surfaces in the organic superconductor κ-(BEDT-TTF $)_{2}$ Cu[N(CN $)_{2}$ ]Br

W. Y. Ching, Yong-Nian Xu, Y. C. Jean, and Y. Lou

Phys. Rev. B 55, 2780 (1997) - Published 1 February, 1997

Electronic theory for bilayer effects in high- $T_{c}$ superconductors

S. Grabowski, J. Schmalian, M. Langer, and K. H. Bennemann

Phys. Rev. B 55, 2784 (1997) - Published 1 February, 1997

Comparison of the superconducting pairing between the oxide superconductors ${Ba}_{1 - x}$ $K_{x}$ ${BiO}_{3}$ and ${YBa}_{2}$ ${Cu}_{3}$ $O_{6.6}$ using phase-sensitive Josephson tunneling

D. A. Brawner, C. Manser, and H. R. Ott

Phys. Rev. B 55, 2788 (1997) - Published 1 February, 1997

Theory of the pseudogap in high- $T_{c}$ ssuperconductors

D. J. Newman and Betty Ng

Phys. Rev. B 55, 2792 (1997) - Published 1 February, 1997

Superconducting-gap anisotropy in ${YBa}_{2}$ ${Cu}_{3}$ $O_{7 - δ}$ :mPhotoemission results on untwinned crystals

Matthias C. Schabel, C.-H. Park, A. Matsuura, Z. X. Shen, D. A. Bonn, Ruixing Liang, and W. N. Hardy

Phys. Rev. B 55, 2796 (1997) - Published 1 February, 1997

ARTICLES

Structure, structural phase transitions, mechanical properties, defects, etc.

High-pressure x-ray diffraction, absorption, luminescence, and Raman-scattering studyof ${Cs}_{2}$ ${MoS}_{4}$ s

B. Lorenz, I. Orgzall, P. K. Dorhout, C. C. Raymond, K. Brister, K. Weishaupt, R. D'Adamo, and H. D. Hochheimer

Phys. Rev. B 55, 2800 (1997) - Published 1 February, 1997

$C_{60}$ sphase diagram: A full free-energy analysis

Jeremy Q. Broughton, James V. Lill, and J. Karl Johnson

Phys. Rev. B 55, 2808 (1997) - Published 1 February, 1997

Structure functions in decomposing CuRh systems

M. Prem, O. Blaschko, and L. Rosta

Phys. Rev. B 55, 2818 (1997) - Published 1 February, 1997

$B_{2}$ $O_{3}$ crystals investigated by plane-wave pseudopotential calculations using the generalized-gradient approximation

U. Engberg

Phys. Rev. B 55, 2824 (1997) - Published 1 February, 1997

${}^{133}$ Xe(Cs) Mössbauer measurements on Ar, Ne, Kr, Xe, Rb, and Cs inclusions in W and Mo

K. Milants, P. Hendrickx, J. Verheyden, T. Barancira, W. Deweerd, H. Pattyn, S. Bukshpan, F. Vermeiren, and G. Van Tendeloo

Phys. Rev. B 55, 2831 (1997) - Published 1 February, 1997

Metastability and dynamics of the shock-induced phase transition in iron

Jonathan C. Boettger and Duane C. Wallace

Phys. Rev. B 55, 2840 (1997) - Published 1 February, 1997

Crystal systems and dielectric constants of high-pressure phases of ${KH}_{2}$ ${PO}_{4}$

Y. Kobayashi, S. Endo, K. Deguchi, O. Shimomura, and T. Kikegawa

Phys. Rev. B 55, 2850 (1997) - Published 1 February, 1997

Anomalous temperature dependence of the desorption of excited sodium atomsinduced by ion bombardment of sodium fluoride crystals

Q. Yan, R. Albridge, A. V. Barnes, N. Seifert, and N. Tolk

Phys. Rev. B 55, 2854 (1997) - Published 1 February, 1997

Stark components of lower-lying manifolds and emission cross sections of principal intermanifold and inter-Stark transitions of trivalent neodymium in strontium fluorovanadate

Dhiraj K. Sardar and Peter D. Bella

Phys. Rev. B 55, 2859 (1997) - Published 1 February, 1997

Optically detected magnetic resonance studies of defects in electron-irradiated 3C SiC layers

N. T. Son, E. Sörman, W. M. Chen, C. Hallin, O. Kordina, B. Monemar, E. Janzén, and J. L. Lindström

Phys. Rev. B 55, 2863 (1997) - Published 1 February, 1997

Inhomogeneous, disordered, and partially ordered systems

Experimental findings in 180° backscattering enhancement from solids

H. Ellmer, W. Fischer, A. Klose, and D. Semrad

Phys. Rev. B 55, 2867 (1997) - Published 1 February, 1997

Neutron-diffraction investigation of structural changes during inverse melting of ${Ti}_{45}$ ${Cr}_{55}$ s

W. Sinkler, C. Michaelsen, R. Bormann, D. Spilsbury, and N. Cowlam

Phys. Rev. B 55, 2874 (1997) - Published 1 February, 1997

Perfect self-similarity of energy spectra and gap-labeling properties in one-dimensional Fibonacci-class quasilattices

Xiujun Fu, Youyan Liu, Peiqin Zhou, and Wichit Sritrakool

Phys. Rev. B 55, 2882 (1997) - Published 1 February, 1997

Clusters and localization of electrons in quasicrystals

G. Trambly de Laissardi`ere and D. Mayou

Phys. Rev. B 55, 2890 (1997) - Published 1 February, 1997

Solidification and melting of succinonitrile within the porous network of an aerogel

Kristin Grosse, Lorenz Ratke, and Berndt Feuerbacher

Phys. Rev. B 55, 2894 (1997) - Published 1 February, 1997

Vibrational entropy and microstructural effects on the thermodynamics of partially disordered and ordered ${Ni}_{3}$ V

L. J. Nagel, B. Fultz, J. L. Robertson, and S. Spooner

Phys. Rev. B 55, 2903 (1997) - Published 1 February, 1997

Kinetics of joint ordering and decomposition in binary alloys

V. I. Gorentsveig, P. Fratzl, and J. L. Lebowitz

Phys. Rev. B 55, 2912 (1997) - Published 1 February, 1997

Temperature and concentration dependences of Raman vibrational modes in ${Rb}_{1 - x}$ ( ${ND}_{4}$ $)_{x}$ $D_{2}$ ${AsO}_{4}$ mixed crystals

Chi-Shun Tu, Rong-Mei Chien, and V. Hugo Schmidt

Phys. Rev. B 55, 2920 (1997) - Published 1 February, 1997

Dynamics, dynamical systems, lattice effects, quantum solids, etc.

Stimulated emission of phonons in an acoustical cavity

P. A. Fokker, J. I. Dijkhuis, and H. W. de Wijn

Phys. Rev. B 55, 2925 (1997) - Published 1 February, 1997

Suppression of stimulated phonon emission in ruby by a magnetic-field gradient

P. A. Fokker, R. S. Meltzer, Y. P. Wang, J. I. Dijkhuis, and H. W. de Wijn

Phys. Rev. B 55, 2934 (1997) - Published 1 February, 1997

Model investigation of the Raman spectra of amorphous silicon

M. Marinov and N. Zotov

Phys. Rev. B 55, 2938 (1997) - Published 1 February, 1997

Magnetism

Spin-one-defect description of the antiferromagnetic s=1 Heisenberg chain

Holger Köhler and Rolf Schilling

Phys. Rev. B 55, 2945 (1997) - Published 1 February, 1997

Spin ladders with nonmagnetic impurities

H.-J. Mikeska, U. Neugebauer, and U. Schollwöck

Phys. Rev. B 55, 2955 (1997) - Published 1 February, 1997

${}^{63, 65}$ Cu NMR investigation of ${CuGeO}_{3}$ ssingle crystals:mThe uniform and the dimerized spin-Peierls phase

Y. Fagot-Revurat, M. Horvatic-acute, C. Berthier, J. P. Boucher, P. Ségransan, G. Dhalenne, and A. Revcolevschi

Phys. Rev. B 55, 2964 (1997) - Published 1 February, 1997

Partial order in frustrated quantum spin systems

R. Quartu and H. T. Diep

Phys. Rev. B 55, 2975 (1997) - Published 1 February, 1997

Magnetic phase diagram of the half-filled three-dimensional Hubbard model

Kok-Kwei Pan and Yung-Li Wang

Phys. Rev. B 55, 2981 (1997) - Published 1 February, 1997

Majorana fermion representation for an antiferromagnetic spin- chain

B. Sriram Shastry and Diptiman Sen

Phys. Rev. B 55, 2988 (1997) - Published 1 February, 1997

Ab initio analysis of magnetic properties in noncollinearly ordered ${Mn}_{4}$ N

Michael Uhl, Samir F. Matar, and Peter Mohn

Phys. Rev. B 55, 2995 (1997) - Published 1 February, 1997

Renormalization-group approach to nonequilibrium Green functionsin correlated impurity systems

T. A. Costi

Phys. Rev. B 55, 3003 (1997) - Published 1 February, 1997

X-ray magnetic circular dichroism at the U $M_{4, 5}$ absorption edges of ${UFe}_{2}$

M. Finazzi, Ph. Sainctavit, A.-M. Dias, J.-P. Kappler, G. Krill, J.-P. Sanchez, P. Dalmas de Réotier, A. Yaouanc, A. Rogalev, and J. Goulon

Phys. Rev. B 55, 3010 (1997) - Published 1 February, 1997

Charge, orbital, and magnetic ordering in ${La}_{0.5}$ ${Ca}_{0.5}$ ${MnO}_{3}$ s

P. G. Radaelli, D. E. Cox, M. Marezio, and S-W. Cheong

Phys. Rev. B 55, 3015 (1997) - Published 1 February, 1997

High-field magnetoresistance of the Bechgaard salt (TMTSF $)_{2}$ ${AsF}_{6}$ :Fast oscillations and spin-density-wave transition

Jean Pierre Ulmet, Abdelhadi Narjis, Michael J. Naughton, and Jean Marc Fabre

Phys. Rev. B 55, 3024 (1997) - Published 1 February, 1997

Magnetic structure of Β- ${DyD}_{2 + x}$ : Modulated phases for x=0 and short-range order for x=0.135

P. Vajda, G. André, and J. Hammann

Phys. Rev. B 55, 3028 (1997) - Published 1 February, 1997

Phase transitions of europium valency and manganese magnetic order and thermal hysteresis phenomena in ${EuMn}_{2}$ ${Si}_{2 - x}$ ${Ge}_{x}$ s

I. Nowik, I. Felner, and E. R. Bauminger

Phys. Rev. B 55, 3033 (1997) - Published 1 February, 1997

Rigorous results for half-filled Kondo lattices

Hirokazu Tsunetsugu

Phys. Rev. B 55, 3042 (1997) - Published 1 February, 1997

Experimental phase diagram of ${Cu}_{2}$ ( $C_{5}$ $H_{12}$ $N_{2}$ $)_{2}$ ${Cl}_{4}$ : A quasi-one-dimensional antiferromagnetic spin- Heisenberg ladder

G. Chaboussant, P. A. Crowell, L. P. Lévy, O. Piovesana, A. Madouri, and D. Mailly

Phys. Rev. B 55, 3046 (1997) - Published 1 February, 1997

Temperature dependence of the ESR linewidth in the paramagnetic phase (T> $T_{C}$ ) of $R_{1 - x}$ $B_{x}$ ${MnO}_{3 + δ}$ (R=La,Pr; B=Ca,Sr)

C. Rettori, D. Rao, J. Singley, D. Kidwell, S. B. Oseroff, M. T. Causa, J. J. Neumeier, K. J. McClellan, S-W. Cheong, and S. Schultz

Phys. Rev. B 55, 3083 (1997) - Published 1 February, 1997

Mössbauer spectroscopy of ${}^{57}$ Fe in the compounds R( ${Ni}_{0.99}$ ${Fe}_{0.01}$ $)_{2}$ $B_{2}$ C (R=Y,Gd,Tb,Dy,Ho,Er):ffTheory and experiment

Z. Zeng, D. R. Sánchez, Diana Guenzburger, D. E. Ellis, E. M. Baggio-Saitovitch, and H. Micklitz

Phys. Rev. B 55, 3087 (1997) - Published 1 February, 1997

Optical and magneto-optical constants of ${MnPt}_{3}$ s

K. W. Wierman, J. N. Hilfiker, R. F. Sabiryanov, S. S. Jaswal, R. D. Kirby, and J. A. Woollam

Phys. Rev. B 55, 3093 (1997) - Published 1 February, 1997

Magnetic dichroism in valence-band x-ray photoemission spectroscopy

H. Ebert and J. Schwitalla

Phys. Rev. B 55, 3100 (1997) - Published 1 February, 1997

Some improved geometries for Josephson-junction investigations of the order-parameter symmetry in high- $T_{c}$ superconductors

R. A. Klemm

Phys. Rev. B 55, 3249 (1997) - Published 1 February, 1997

Pr and Cu magnetism in ( $\Pr_{1.5}$ ${Ce}_{0.5}$ ) ${Sr}_{2}$ ${Cu}_{2}$ ${MO}_{10 - δ}$ st(M=Nb, Ta): Correlations with a suppression of superconductivity

T. J. Goodwin, R. N. Shelton, H. B. Radousky, N. Rosov, and J. W. Lynn

Phys. Rev. B 55, 3297 (1997) - Published 1 February, 1997

Origin of phonon anomalies in ${La}_{2}$ ${CuO}_{4}$

Claus Falter, Michael Klenner, Georg A. Hoffmann, and Qiang Chen

Phys. Rev. B 55, 3308 (1997) - Published 1 February, 1997