PERIODICALS PHYSICAL REVIEW B Postmaster send address changes to: For editorial and subscription correspondence, American Institute of Physics please see inside front cover 500 Sunnyside Boulevard (ISSN: 0163-1829) Woodbury, NY 11797-2999

THIRD SERIES, VOLUME 55, NUMBER 1 CONTENTS 1 JANUARY 1997-I

Subject Matter Categories for Physical Review B ...... iii Editorial Policies and Practices of Physical Review B ...... v General Information for Contributors ...... viii Guidelines for Estimating Length for Physical Review B ...... xii

BRIEF REPORTS

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

High-pressure structural study of GeI4 ...... 1 Michael B. Kruger and Charles Meade Electrostatic force microscopy on ferroelectric crystals in inert atmosphere ...... 4 H. Bluhm, A. Wadas, R. Wiesendanger, K.-P. Meyer, and L. Szczes´niak Ab initio calculation of structural properties of C3B and C5B compounds ...... 8 Qiang Wang, Long-Qing Chen, and James F. Annett Mechanical alloying of an immiscible ␣-Fe2O3-SnO2 ceramic ...... 11 J. Z. Jiang, R. Lin, S. Mo”rup, K. Nielsen, F. W. Poulsen, F. J. Berry, and R. Clasen Elastic and other associated properties of C60 ...... 15 R. Venkatesh and R. V. Gopala Rao Lattice-dynamical study of the cubic-tetragonal-monoclinic transformations of zirconia ...... 19 A. P. Mirgorodsky, M. B. Smirnov, and P. E. Quintard

Inhomogeneous, disordered, and partially ordered systems

Photoinduced anisotropic conversion of bonding and lone-pair electrons in As2S3 glass ...... 23 A. V. Kolobov, V. Lyubin, T. Yasuda, and K. Tanaka

Dynamics, dynamical systems, lattice effects, quantum , etc. Noncontact modulation calorimetry of metallic in low Earth orbit ...... 26 R. K. Wunderlich, D. S. Lee, W. L. Johnson, and H.-J. Fecht Numerical renormalization-group computation of specific heats ...... 30 S. C. Costa, C. A. Paula, V. L. Lı´bero, and L. N. Oliveira

Magnetism Reduction of the Jahn-Teller distortion at the -to-metal transition in mixed valence manganites ...... 34 J. L. Garcı´a-Mun˜oz, M. Suaaidi, J. Fontcuberta, and J. Rodrı´guez-Carvajal Higher-order-magnetization-cumulant universality of the two-dimensional Ising model ...... 38 K. K. Mon Finite-size scaling of the helicity modulus of the two-dimensional O͑3͒ model ...... 41 N. Schultka Dynamic finite-size effect in an infinite-range classical antiferromagnetic spin model ...... 44 Suhk Kun Oh, Chang No Yoon, and Jean S. Chung

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PHYSICAL REVIEW B THIRD SERIES, VOLUME 55, NUMBER 1 1 JANUARY 1997-I

Mean-field analysis of antiferromagnetic three-state Potts model with next-nearest-neighbor interaction ...... 48 M. Itakura Low-temperature asymptotics of isotropic ferromagnetic chains at nonzero fields ...... 52 N. Theodorakopoulos and N. C. Bacalis Intermediate-coupling theory for the spectral weight of a spin ...... 56 Min-Fong Yang Correlation effects of ...... 59 Hui-Quan Nie and Wei-Ying Zhou Charge delocalization and structural response in layered La1.2Sr1.8Mn2O7: Enhanced distortion in the metallic regime ...... 63 J. F. Mitchell, D. N. Argyriou, J. D. Jorgensen, D. G. Hinks, C. D. Potter, and S. D. Bader Magnetic properties of Fe embedded in V and Cr: Thin films and dilute alloys ...... 67 S. Mirbt, I. A. Abrikosov, B. Johansson, and H. L. Skriver Critical fields of Fe 4N/NbN ferromagnetic/superconducting multilayers ...... 70 J. E. Mattson, C. D. Potter, M. J. Conover, C. H. Sowers, and S. D. Bader NMR investigation of a structural and temperature-induced in copper thiospinel CuV2S4 ...... 74 Y. Yoshikawa, S. Wada, K. Miyatani, T. Tanaka, and M. Miyamoto

Superfluidity and Current-induced chiral phase transition in a Josephson-junction array ...... 78 M. V. Simkin Critical-current diffraction pattern of annular Josephson junctions ...... 82 Ciro Nappi Thermally assisted flux flow and melting transition for Mo/Si multilayers ...... 85 Nina Ya. Fogel, Victoria G. Cherkasova, Olga A. Koretzkaya, and Anatoly S. Sidorenko Superionic behavior of high-temperature superconductors ...... 89 A. Rakitin, M. Kobayashi, and A. P. Litvinchuk Transitions at TϾTc in underdoped crystals of YBa2Cu3O7Ϫx observed by resonant Raman scattering ...... 93 G. Ruani and P. Ricci Screened Raman response in two-dimensional dx2Ϫy2-wave superconductors: Relative intensities in different symmetry channels ...... 97 Fabian Wenger and Mikael Ka¨ll

ARTICLES

Structure, structural phase transitions, mechanical properties, defects, etc. Refinement of the P-T phase diagram of barium ...... 101 Markus Winzenick and Wilfried B. Holzapfel Generalized Laue dynamical theory for x-ray reflectivity at low and high incidence angles on ideal crystals of finite size ...... 105 Liberato De Caro and Leander Tapfer Influence of plastic deformation on the martensitic phase transformation in lithium ...... 113 Ch. Maier, O. Blaschko, and W. Pichl Connection between the true vibrational and that derived from inelastic neutron scattering ...... 117 S. N. Taraskin and S. R. Elliott 3 Evidence for sp carbon atoms in the RbC 60 dimer phase ...... 124 K.-F. Thier, M. Mehring, and F. Rachdi

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PHYSICAL REVIEW B THIRD SERIES, VOLUME 55, NUMBER 1 1 JANUARY 1997-I

Thermal stability of C60 ...... 127 M. R. Stetzer, P. A. Heiney, J. E. Fischer, and A. R. McGhie In situ measurements of the orthorhombic-to-trigonal transition in BaSi2 under high-pressure and high-temperature conditions ...... 132 Motoharu Imai, Toshiyuki Hirano, Takumi Kikegawa, and Osamu Shimomura Lattice location and electrical conductivity in Sb-implanted rutile ...... 136 I. Khubeis, R. Fromknecht, and O. Meyer Theory of finite-temperature crossovers near quantum critical points close to, or above, their upper-critical dimension ...... 142 Subir Sachdev Electronic structure of cubic SrHfO3: Ferroelectric stability and detailed comparison with SrTiO3 ...... 164 G. Fabricius, E. L. Peltzer y Blanca, C. O. Rodriguez, A. P. Ayala, P. de la Presa, and A. Lopez Garcı´a Ferroelectric phase transition in deuterated glycinium phosphite crystals ...... 169 J. Baran, M. S´ledz´, R. Jakubas, and G. Bator Spectral-line-broadening study of the trivalent lanthanide-ion series. I. Line broadening as a probe of the electron- coupling strength ...... 173 A. Ellens, H. Andres, A. Meijerink, and G. Blasse Spectral-line-broadening study of the trivalent lanthanide-ion series. II. The variation of the electron-phonon coupling strength through the series ...... 180 A. Ellens, H. Andres, M. L. H. ter Heerdt, R. T. Wegh, A. Meijerink, and G. Blasse

Inhomogeneous, disordered, and partially ordered systems

Phason-strain analysis of the twinned approximant to the decagonal quasicrystal Al70Co15Ni15: Evidence for a one-dimensional quasicrystal ...... 187 M. Kalning, S. Kek, H. G. Krane, V. Dorna, W. Press, and W. Steurer Development of a semiempirical n-body noncentral potential for Fe-Al alloys ...... 193 R. Besson and J. Morillo Anomalous exponent in the kinetics of grain growth with anisotropic interfacial energy ...... 205 P. A. Deymier, J. O. Vasseur, and L. Dobrzynski Monte Carlo study of the growth of L12-ordered domains in fcc A3B binary alloys ...... 212 Carlos Frontera, Eduard Vives, Teresa Casta´n, and Antoni Planes Directed in a random medium: A variational approach ...... 226 T. Garel and H. Orland

Dynamics, dynamical systems, lattice effects, quantum solids, etc. Influence of isotopic disorder on phonon frequencies and phonon linewidths of an anharmonic crystal ...... 231 Th. Held, I. Pfeiffer, and W. Kuhn Electric-field-enhanced diffusion of deuterons and protons in ␣-Al2O3 crystals ...... 237 R. Ramı´rez, R. Gonza´lez, I. Colera, and Y. Chen Metastable self-trapping of positrons in MgO ...... 243 M. A. Monge, R. Pareja, R. Gonza´lez, and Y. Chen Phason-strain-field influences on low-temperature specific heat in icosahedral quasicrystals Al-Li-Cu and Al-Fe-Cu ...... 250 K. Wang and P. Garoche Zero-bias anomaly of point-contact resistance due to adiabatic electron renormalization of dynamical defects ..... 259 V. I. Kozub and A. M. Rudin Electromagnetic field generated by a charged particle moving slowly through a conducting media ...... 268 A. A. Krokhin, G. A. Luna-Acosta, and J. Madrigal-Melchor

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PHYSICAL REVIEW B THIRD SERIES, VOLUME 55, NUMBER 1 1 JANUARY 1997-I

Magnetism Thermal excitations of frustrated XY spins in two dimensions ...... 278 M. Benakli, H. Zheng, and M. Gabay Phase diagram of magnetic ladders constructed from a composite-spin model ...... 291 O¨rs Legeza, Ga´bor Fa´th, and Jeno˝ So´lyom Non-Abelian bosonization of the frustrated antiferromagnetic spin-1/2 chain ...... 299 Dave Allen and David Se´ne´chal Magnetic and electronic properties of LiMnO2 ...... 309 David J. Singh Magnetoelectronic effects in pyrochlore Tl2Mn2O7: Role of Tl-O covalency ...... 313 David J. Singh Structural and magnetic properties of holmium-scandium alloys and superlattices ...... 317 C. Bryn-Jacobsen, R. A. Cowley, D. F. McMorrow, J. P. Goff, R. C. C. Ward, and M. R. Wells and morphology in ultrathin Co/W͑110͒ films ...... 330 G. Garreau, M. Farle, E. Beaurepaire, and K. Baberschke Gap solitons and resonant kinks in Heisenberg ferromagnetic chains with bond alternation ...... 336 Guoxiang Huang, Manuel G. Velarde, and Shanhua Zhu Nonperturbative theory of magnetocrystalline anisotropy energy for wires and rings of Fe adatoms ...... 347 R. Druzˇinic´ and W. Hu¨bner Phase-transition behavior in the random-field antiferromagnet Fe0.5Zn0.5F2 ...... 356 J. P. Hill, Q. Feng, Q. J. Harris, R. J. Birgeneau, A. P. Ramirez, and A. Cassanho Neutron and x-ray scattering studies of field-cooled ordering in the three-dimensional random-field Ising model ... 370 Q. Feng, Q. J. Harris, R. J. Birgeneau, and J. P. Hill and magnetic phase transitions in RFe10Mo2 ͑RϭPr, Nd, Sm, Dy, Ho, Er, Tm͒ ...... 380 K. Yu. Guslienko, E. H. C. P. Sinnecker, and R. Grossinger Magnetic interface formation at Cr/Fe͑100͒ and Fe/Cr/Fe͑100͒: Magnetic dichroism in photoemission study .... 389 Giancarlo Panaccione, Fausto Sirotti, Elisabetta Narducci, and Giorgio Rossi Structural, magnetic, and Mo¨ssbauer studies of the PrBaCuFeO5ϩy compound ...... 397 M. Pissas, G. Kallias, V. Psycharis, H. Gamari-Seale, D. Niarchos, A. Simopoulos, and R. Sonntag Spin fluctuations in CuGeO3 probed by light scattering ...... 409 Haruhiko Kuroe, Jun-ichi Sasaki, Tomoyuki Sekine, Naoki Koide, Yoshitaka Sasago, Kunimitsu Uchinokura, and Masashi Hase Superparamagnetism and different growth mechanisms of Co/Au͑111͒ and Co/Cu͑111͒ multilayers grown by molecular-beam epitaxy ...... 416 J. Xu, M. A. Howson, B. J. Hickey, D. Greig, E. Kolb, P. Veillet, and N. Wiser Near-surface effects at the antiferromagnetic phase transition in uranium phosphide ...... 423 A. Stunault, S. Langridge, C. Vettier, D. Gibbs, and N. Bernhoeft Nuclear spin-lattice relaxation of dipolar order caused by paramagnetic impurities ...... 439 G. B. Furman, A. M. Panich, A. Yochelis, E. M. Kunoff, and S. D. Goren Magnetism of Co supported on the Cu͑111͒ substrate: Size and environment dependence ...... 445 J. Izquierdo, A. Vega, and L. C. Balba´s Temperature and magnetic-field dependence of the resistivity of carbon-black composites ...... 452 P. Mandal, A. Neumann, A. G. M. Jansen, P. Wyder, and R. Deltour Glassy vortex state in a two-dimensional disordered XY model ...... 457 Stefan Scheidl Relativistic theory of magnetic scattering of x rays: Application to ferromagnetic iron ...... 472 E. Arola, P. Strange, and B. L. Gyorffy

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PHYSICAL REVIEW B THIRD SERIES, VOLUME 55, NUMBER 1 1 JANUARY 1997-I

Superfluidity and superconductivity Magnus force in superfluids and superconductors ...... 485 E. B. Sonin Superconductivity from magnetic order for Van Vleck metals ...... 502 Hisashi Ohgaki and Hiroumi Ishii Superconducting impurity terms in the Ginzburg-Landau equations and supercurrent: A microscopic theory .... 509 Mark Friesen and Paul Muzikar Quantum and thermal depinning of a string from a linear defect ...... 515 Mikhail A. Skvortsov Monte Carlo simulation of a two-dimensional continuum Coulomb gas ...... 522 Jack Lidmar and Mats Wallin Self-consistent scattering description of transport in normal-superconductor structures ...... 531 J. Sa´nchez-Can˜izares and F. Sols Static and dynamic properties of a two-dimensional charged Bose fluid ...... 544 R. K. Moudgil, P. K. Ahluwalia, K. Tankeshwar, and K. N. Pathak Stability of slowly varying traveling waves in Josephson arrays ...... 551 Italo F. Marino Microscopic derivation of the Ginzburg-Landau equations for a d-wave superconductor ...... 559 D. L. Feder and C. Kallin Evaluation of the BCS approximation for the attractive Hubbard model in one dimension ...... 575 F. Marsiglio Magnetic transitions and superconductivity in the t-J model ...... 582 A. Sherman Bosons, gauge fields, and high-Tc cuprates ...... 591 Don H. Kim, Derek K. K. Lee, and Patrick A. Lee Exact diagonalization study of the hole distribution in CuO3 chains within the four-band dp model ...... 606 S.-L. Drechsler, J. Ma´lek, and H. Eschrig Scaling behavior and mixed-state in epitaxial HgBa2CaCu2O6ϩ␦ thin films ...... 621 W. N. Kang, S. H. Yun, J. Z. Wu, and D. H. Kim in the vortex-glass phase of high-temperature superconductors ...... 626 Jan Kierfeld, Thomas Nattermann, and Terence Hwa Irreversible critical current and the anomalous magnetic-moment peak in silver-sheathed ͑Pb,Bi͒2Sr2Ca2Cu3O10ϩy tapes ...... 630 K.-H. Mu¨ller, C. Andrikidis, and Y. C. Guo Theory of photoemission from copper oxide materials ...... 642 Shiping Feng and Yun Song

Cumulative Author Index ...... 647