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PROLA » Phys. Rev. B » Volume 67 » Issue 21
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Physical Review B – 1 June 2003
Volume 67, Issue 21

BRIEF REPORTS

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

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High-pressure phases of amorphous and crystalline silicon
Murat Durandurdu and D. A. Drabold
Published 5 June 2003 (3 pages)
212101 [View PDF (88 kB)]
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Structural stability and electrical properties of the chain structure of Ca2CuO3 under high pressure
G. M. Zhang, W. J. Mai, F. Y. Li, Z. X. Bao, R. C. Yu, T. Q. Lu, J. Liu, and C. Q. Jin
Published 9 June 2003 (4 pages)
212102 [View PDF (123 kB)]
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Two-dimensional freezing of Tl in the liquid-vapor interface of dilute Tl in a Ga alloy
Bin Yang, Dongxu Li, and Stuart A. Rice
Published 10 June 2003 (3 pages)
212103 [View PDF (46 kB)]
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First-principles study of elastic properties and pressure-induced phase transitions of Sn: LDA versus GGA results
Andrés Aguado
Published 10 June 2003 (4 pages)
212104 [View PDF (32 kB)]
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Ordered Si-VI-type crystal structure in BiSn alloy under high pressure
Valentina F. Degtyareva, Olga Degtyareva, and Dave R. Allan
Published 12 June 2003 (4 pages)
212105 [View PDF (50 kB)]

Inhomogeneous, disordered, and partially ordered systems

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Calorimetric glass transition in bulk metallic glass forming Zr-Ti-Cu-Ni-Be alloys as a free-volume-related kinetic phenomenon
Ping Wen, Mei Bo Tang, Ming Xiang Pan, De Qian Zhao, Zhi Zhang, and Wei Hua Wang
Published 6 June 2003 (4 pages)
212201 [View PDF (47 kB)]
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Theory of melting and the optical properties of gold/DNA nanocomposites
Sung Yong Park and D. Stroud
Published 11 June 2003 (4 pages)
212202 [View PDF (58 kB)]
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Intermediate state in pressurized silica glass: Reversibility window analogue
Kostya Trachenko and Martin T. Dove
Published 18 June 2003 (3 pages)
212203 [View PDF (79 kB)]

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

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Role of Jahn-Teller disorder in Raman scattering of mixed-valence manganites
M. N. Iliev, M. V. Abrashev, V. N. Popov, and V. G. Hadjiev
Published 20 June 2003 (4 pages)
212301 [View PDF (79 kB)]

Magnetism

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Anisotropic spin-glass-like and quasi-one-dimensional magnetic behavior in the intermetallic compound Tb2PdSi3
P. L. Paulose, E. V. Sampathkumaran, H. Bitterlich, G. Behr, and W. Löser
Published 6 June 2003 (4 pages)
212401 [View PDF (101 kB)]
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Suppression of dimer correlations in the two-dimensional J1-J2 Heisenberg model: An exact diagonalization study
Luca Capriotti, Federico Becca, Alberto Parola, and Sandro Sorella
Published 6 June 2003 (4 pages)
212402 [View PDF (69 kB)]
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Field-induced structural evolution in the spin-Peierls compound CuGeO3: High-field ESR study
S. A. Zvyagin, J. Krzystek, P. H. M. van Loosdrecht, G. Dhalenne, and A. Revcolevschi
Published 10 June 2003 (4 pages)
212403 [View PDF (45 kB)]
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Electron correlation and two dimensionality in the spin-density-wave phase of (TMTTF)2Br under pressure
A. Ishikawa, N. Matsunaga, K. Nomura, T. Sasaki, T. Nakamura, T. Takahashi, and G. Saito
Published 10 June 2003 (4 pages)
212404 [View PDF (62 kB)]
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Coexistence of ferromagnetic and antiferromagnetic order in Mn-doped Ni2MnGa
J. Enkovaara, O. Heczko, A. Ayuela, and R. M. Nieminen
Published 16 June 2003 (4 pages)
212405 [View PDF (84 kB)]
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Off-equilibrium study of the fluctuation-dissipation relation in the easy-axis Heisenberg antiferromagnet on the kagomé lattice
S. Bekhechi and B. W. Southern
Published 19 June 2003 (4 pages)
212406 [View PDF (55 kB)]
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Magnetic properties in Ca-doped Eu hexaborides
Jong-Soo Rhyee, B. H. Oh, B. K. Cho, H. C. Kim, and M. H. Jung
Published 19 June 2003 (4 pages)
212407 [View PDF (55 kB)]
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Phase diagram of the S=1/2 two-leg spin ladder with staggered bond alternation
Kiyomi Okamoto
Published 24 June 2003 (3 pages)
212408 [View PDF (53 kB)]

Superfluidity and superconductivity

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Unexpected fourfold symmetry in the resistivity of patterned superconductors
Myriam Pannetier, Rinke J. Wijngaarden, Inge Fløan, Jan Rector, Bernard Dam, Ronald Griessen, Peter Lahl, and Roger Wördenweber
Published 6 June 2003 (4 pages)
212501 [View PDF (790 kB)]
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Large-N transition temperature for superconducting films in a magnetic field
L. M. Abreu, A. P. C. Malbouisson, J. M. C. Malbouisson, and A. E. Santana
Published 6 June 2003 (4 pages)
212502 [View PDF (165 kB)]
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Solubility, diffusion, and precipitation of oxygen impurities in MgB2
Yanfa Yan and M. M. Al-Jassim
Published 9 June 2003 (4 pages)
212503 [View PDF (195 kB)]
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Superconductivity in magnetically ordered CeTe1.82
M. H. Jung, A. Alsmadi, H. C. Kim, Yunkyu Bang, K. H. Ahn, K. Umeo, A. H. Lacerda, H. Nakotte, H. C. Ri, and T. Takabatake
Published 12 June 2003 (4 pages)
212504 [View PDF (181 kB)]
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F-wave versus P-wave superconductivity in organic conductors
R. W. Cherng and C. A. R. Sá de Melo
Published 26 June 2003 (4 pages)
212505 [View PDF (88 kB)]

ARTICLES

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

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Structure and stability of the modulated phase Sb-II
U. Schwarz, L. Akselrud, H. Rosner, Alim Ormeci, Yu. Grin, and M. Hanfland
Published 9 June 2003 (7 pages)
214101 [View PDF (268 kB)]
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Pressure as a probe of dielectric properties and phase transition of doped quantum paraelectrics: Sr1-xCaxTiO3 (x=0.007)
E. L. Venturini, G. A. Samara, and W. Kleemann
Published 10 June 2003 (7 pages)
214102 [View PDF (121 kB)]
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Carbon dissolution and diffusion in ferrite and austenite from first principles
D. E. Jiang and Emily A. Carter
Published 19 June 2003 (11 pages)
214103 [View PDF (476 kB)]

Inhomogeneous, disordered, and partially ordered systems

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Scanning tunneling spectroscopy on oxidized surfaces of highly resistive quasicrystalline alloys
J. Delahaye, T. Schaub, C. Berger, and Y. Calvayrac
Published 6 June 2003 (17 pages)
214201 [View PDF (301 kB)]
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Structure and electronic properties of a nongraphitic disordered carbon system and its heat-treatment effects
Kazuyuki Takai, Meigo Oga, Hirohiko Sato, Toshiaki Enoki, Yoshimasa Ohki, Akira Taomoto, Kazutomo Suenaga, and Sumio Iijima
Published 19 June 2003 (11 pages)
214202 [View PDF (172 kB)]

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

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Infrared conductivity of a one-dimensional charge-ordered state: Quantum lattice effects
C. A. Perroni, V. Cataudella, G. De Filippis, G. Iadonisi, V. Marigliano Ramaglia, and F. Ventriglia
Published 9 June 2003 (9 pages)
214301 [View PDF (116 kB)]
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Local lattice relaxations in random metallic alloys: Effective tetrahedron model and supercell approach
A. V. Ruban, S. I. Simak, S. Shallcross, and H. L. Skriver
Published 20 June 2003 (12 pages)
214302 [View PDF (369 kB)]

Magnetism

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Local environment surrounding ferromagnetically ordered Mn in Mn/GaAs digital alloys and (Mn, Ga)As random alloys
Y. L. Soo, G. Kioseoglou, S. Kim, X. Chen, H. Luo, Y. H. Kao, H.-J. Lin, H. H. Hsieh, T. Y. Hou, C. T. Chen, Y. Sasaki, X. Liu, and J. K. Furdyna
Published 3 June 2003 (5 pages)
214401 [View PDF (57 kB)]
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Electronic structure, exchange interactions, and Curie temperature in diluted III-V magnetic semiconductors: (GaCr)As, (GaMn)As, (GaFe)As
L. M. Sandratskii and P. Bruno
Published 4 June 2003 (11 pages)
214402 [View PDF (1,076 kB)]
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Layer-resolved imaging of magnetic interlayer coupling by domain-wall stray fields
W. Kuch, L. I. Chelaru, K. Fukumoto, F. Porrati, F. Offi, M. Kotsugi, and J. Kirschner
Published 4 June 2003 (9 pages)
214403 [View PDF (498 kB)]
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No spin-glass transition in the mobile-bond model
Alexander K. Hartmann
Published 5 June 2003 (4 pages)
214404 [View PDF (52 kB)]
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Calculation of magnetic anisotropy energy in SmCo5
P. Larson, I. I. Mazin, and D. A. Papaconstantopoulos
Published 5 June 2003 (6 pages)
214405 [View PDF (127 kB)]
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Zero-temperature series expansions for the Kondo lattice model at half filling
Weihong Zheng and J. Oitmaa
Published 6 June 2003 (8 pages)
214406 [View PDF (105 kB)]
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Finite-temperature strong-coupling expansions for the Kondo lattice model
J. Oitmaa and Weihong Zheng
Published 6 June 2003 (9 pages)
214407 [View PDF (168 kB)]
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Stoichiometry of Fe3-δO4(111) ultrathin films on Pt(111)
P. Morrall, F. Schedin, G. S. Case, M. F. Thomas, E. Dudzik, G. van der Laan, and G. Thornton
Published 6 June 2003 (7 pages)
214408 [View PDF (157 kB)]
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Spin waves in ferromagnetic double layers: Modifications by in-plane spacer-layer currents
Y. Au, R. Sooryakumar, and K. Bussmann
Published 6 June 2003 (5 pages)
214409 [View PDF (148 kB)]
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Interplay between structure and magnetism in the spin-chain compound (Cu,Zn)2V2O7
J. Pommer, V. Kataev, K.-Y. Choi, P. Lemmens, A. Ionescu, Yu. Pashkevich, A. Freimuth, and G. Güntherodt
Published 9 June 2003 (11 pages)
214410 [View PDF (575 kB)]
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Variable temperature X-band EPR of Gd3+ in LaNbO4 and PrNbO4 crystals: Low-symmetry effect, influence of host and impurity paramagnetic ions on linewidth, and onset of antiferromagnetism
Sushil K. Misra, Serguei I. Andronenko, and Tatiana Yu. Chemekova
Published 9 June 2003 (7 pages)
214411 [View PDF (122 kB)]
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Evolution of normal-state magnetic fluctuations by Ca and Ti substitutions in Sr2RuO4: 87Sr-NMR study
K. Ishida, Y. Minami, Y. Kitaoka, S. Nakatsuji, N. Kikugawa, and Y. Maeno
Published 9 June 2003 (6 pages)
214412 [View PDF (268 kB)]
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Quantum dimer model with extensive ground-state entropy on the kagome lattice
G. Misguich, D. Serban, and V. Pasquier
Published 10 June 2003 (22 pages)
214413 [View PDF (289 kB)]
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Thermal relaxation of field-induced irreversible ferromagnetic phase in Pr-doped manganites
Joonghoe Dho and N. H. Hur
Published 10 June 2003 (6 pages)
214414 [View PDF (716 kB)]
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Effect of strain on the electrical conduction in epitaxial films of La0.7Ca0.3MnO3
Mandar Paranjape, A. K. Raychaudhuri, N. D. Mathur, and M. G. Blamire
Published 10 June 2003 (6 pages)
214415 [View PDF (815 kB)]
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Magnetism of ultrathin wires suspended in free space and adsorbed on vicinal surfaces
D. Spišák and J. Hafner
Published 12 June 2003 (13 pages)
214416 [View PDF (731 kB)]
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High-field magnetic resonant properties of β′-(ET)2SF5CF2SO3
I. B. Rutel, S. A. Zvyagin, J. S. Brooks, J. Krzystek, P. Kuhns, A. P. Reyes, E. Jobiliong, B. H. Ward, J. A. Schlueter, R. W. Winter, and G. L. Gard
Published 13 June 2003 (6 pages)
214417 [View PDF (218 kB)]
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Damped orbital excitations in the titanates
K. Kikoin, O. Entin-Wohlman, V. Fleurov, and A. Aharony
Published 13 June 2003 (6 pages)
214418 [View PDF (74 kB)]
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Anomalous spin polarization and dualistic electronic nature of CrO2
D. J. Huang, L. H. Tjeng, J. Chen, C. F. Chang, W. P. Wu, S. C. Chung, A. Tanaka, G. Y. Guo, H.-J. Lin, S. G. Shyu, C. C. Wu, and C. T. Chen
Published 16 June 2003 (5 pages)
214419 [View PDF (74 kB)]
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Static magnetic order in Na0.75CoO2 detected by muon spin rotation and relaxation
Jun Sugiyama, Hiroshi Itahara, Jess H. Brewer, Eduardo J. Ansaldo, Teruki Motohashi, Maarit Karppinen, and Hisao Yamauchi
Published 17 June 2003 (5 pages)
214420 [View PDF (73 kB)]
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Anisotropic magnetic, magnetoresistance, and electrotransport properties of GdBaCo2O5.5 single crystals
D. D. Khalyavin, S. N. Barilo, S. V. Shiryaev, G. L. Bychkov, I. O. Troyanchuk, A. Furrer, P. Allenspach, H. Szymczak, and R. Szymczak
Published 18 June 2003 (5 pages)
214421 [View PDF (430 kB)]
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Aging and memory in a superspin glass
S. Sahoo, O. Petracic, W. Kleemann, P. Nordblad, S. Cardoso, and P. P. Freitas
Published 19 June 2003 (5 pages)
214422 [View PDF (73 kB)]
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Phase diagram and influence of defects in the double perovskites
J. L. Alonso, L. A. Fernández, F. Guinea, F. Lesmes, and V. Martín-Mayor
Published 19 June 2003 (5 pages)
214423 [View PDF (66 kB)]
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Anomalous variation of A-type antiferromagnetic order and two-dimensional ferromagnetic fluctuation in orbital-ordered La1-xEuxMnO3
C. T. Chen, B. N. Lin, Y. Y. Hsu, J. D. Liao, W. H. Cheng, C. Y. Lin, H. C. Ku, J. F. Lee, L. Y. Jang, and D. G. Liu
Published 19 June 2003 (5 pages)
214424 [View PDF (223 kB)]
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Off-equilibrium fluctuation-dissipation relations in the 3d Ising spin glass in a magnetic field
A. Cruz, L. A. Fernández, S. Jiménez, J. J. Ruiz-Lorenzo, and A. Tarancón
Published 19 June 2003 (11 pages)
214425 [View PDF (188 kB)]
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Successive valence-bond-state transitions in quantum mixed spin chains
Zhaoxin Xu, Jianhui Dai, Heping Ying, and Bo Zheng
Published 19 June 2003 (5 pages)
214426 [View PDF (226 kB)]
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Angular dependence of the magnetic susceptibility in the itinerant metamagnet Sr3Ru2O7
S. A. Grigera, R. A. Borzi, A. P. Mackenzie, S. R. Julian, R. S. Perry, and Y. Maeno
Published 19 June 2003 (8 pages)
214427 [View PDF (536 kB)]
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Low-energy spin-wave excitations in the bilayered magnetic manganite La2-2xSr1+2xMn2O7(0.30<~x<~0.50)
H. Martinho, C. Rettori, D. L. Huber, J. F. Mitchell, and S. B. Oseroff
Published 20 June 2003 (7 pages)
214428 [View PDF (176 kB)]
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Electronic structure of the organic half-metallic magnet 2-(4-nitrophenyl)-4,4,5,5-tetramethyl-4, 5-dihydro-1H-imidazol-1-oxyl 3-N-oxide
S. J. Luo and K. L. Yao
Published 20 June 2003 (4 pages)
214429 [View PDF (362 kB)]
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Spin waves and phonons in La1-xSrxMnO3(x=0.09,0.125): Dynamical signatures of low-temperature phase transitions for x=0.125
F. Moussa, M. Hennion, F. Wang, P. Kober, J. Rodríguez-Carvajal, P. Reutler, L. Pinsard, and A. Revcolevschi
Published 20 June 2003 (11 pages)
214430 [View PDF (855 kB)]
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Two-dimensional magnetically split Fermi surface of c(2×2)MnCu/Cu(001)
F. Schiller, S. V. Halilov, and C. Laubschat
Published 20 June 2003 (5 pages)
214431 [View PDF (742 kB)]
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Macroscopic anisotropy and symmetry breaking in the pyrochlore antiferromagnet Gd2Ti2O7
A. K. Hassan, L. P. Lévy, C. Darie, and P. Strobel
Published 26 June 2003 (5 pages)
214432 [View PDF (242 kB)]
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Determination of the antiferromagnetic spin axis in epitaxial LaFeO3 films by x-ray magnetic linear dichroism spectroscopy
J. Lüning, F. Nolting, A. Scholl, H. Ohldag, J. W. Seo, J. Fompeyrine, J.-P. Locquet, and J. Stöhr
Published 27 June 2003 (14 pages)
214433 [View PDF (1,397 kB)]

Superfluidity and superconductivity

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Effects of columnar disorder on flux-lattice melting in high-temperature superconductors
Sandeep Tyagi and Yadin Y. Goldschmidt
Published 3 June 2003 (15 pages)
214501 [View PDF (191 kB)]
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Holstein polarons, Fröhlich coupling, and superconductivity in a molecular conductor
R. Ramakumar and S. Yarlagadda
Published 5 June 2003 (7 pages)
214502 [View PDF (82 kB)]
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Superconducting transition in a mixture of bosons and fermions
E. Piegari and S. Caprara
Published 6 June 2003 (9 pages)
214503 [View PDF (126 kB)]
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High-resolution magnetization studies of the heavy-fermion superconductor CeCu2Si2 at very low temperatures and in high magnetic fields
T. Tayama, M. Lang, T. Lühmann, F. Steglich, and W. Assmus
Published 6 June 2003 (8 pages)
214504 [View PDF (115 kB)]
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Superconducting-insulating transition in quantum three-dimensional Josephson junction arrays with magnetic and charge frustration
T. K. Kopeć and T. P. Polak
Published 9 June 2003 (5 pages)
214505 [View PDF (248 kB)]
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Comparison of s- and d-wave gap symmetry in nonequilibrium superconductivity
E. J. Nicol and J. P. Carbotte
Published 9 June 2003 (13 pages)
214506 [View PDF (178 kB)]
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Model of inhomogeneous impurity distribution in Fermi superfluids
R. Hänninen and E. V. Thuneberg
Published 9 June 2003 (11 pages)
214507 [View PDF (192 kB)]
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Angle-resolved photoemission spectroscopy and optical renormalizations: Phonons or spin fluctuations
E. Schachinger, J. J. Tu, and J. P. Carbotte
Published 9 June 2003 (12 pages)
214508 [View PDF (386 kB)]
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Phonon attenuation and quasiparticle–phonon energy transfer in d-wave superconductors
M. F. Smith and M. B. Walker
Published 10 June 2003 (7 pages)
214509 [View PDF (258 kB)]
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Temperature-doping phase diagram of layered superconductors
V. M. Loktev and V. Turkowski
Published 10 June 2003 (7 pages)
214510 [View PDF (96 kB)]
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Ferromagnetic/superconducting proximity effect in La0.7Ca0.3MnO3/YBa2Cu3O7-δ superlattices
Z. Sefrioui, D. Arias, V. Peña, J. E. Villegas, M. Varela, P. Prieto, C. León, J. L. Martinez, and J. Santamaria
Published 13 June 2003 (5 pages)
214511 [View PDF (215 kB)]
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Sensitivity of the superconducting transition temperature to changes in the spin-fluctuation spectral weight
P. McHale and P. Monthoux
Published 13 June 2003 (12 pages)
214512 [View PDF (353 kB)]
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Absence of density of states transfer observed by interlayer tunneling spectroscopy in magnetic fields for Bi2Sr2CaCu2O8+δ
Kenkichi Anagawa, Yoshiharu Yamada, Takao Watanabe, and Minoru Suzuki
Published 13 June 2003 (5 pages)
214513 [View PDF (87 kB)]
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Structure and magnetization of two-dimensional vortex arrays in the presence of periodic pinning
Toby Joseph and Chandan Dasgupta
Published 16 June 2003 (11 pages)
214514 [View PDF (144 kB)]
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Charged vortices in superfluid systems with pairing of spatially separated carriers
S. I. Shevchenko
Published 19 June 2003 (7 pages)
214515 [View PDF (81 kB)]
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Effect of hole doping in LixCu1-xO
X. G. Zheng, H. Yamada, Daniel J. Scanderbeg, M. Brian Maple, and C. N. Xu
Published 19 June 2003 (4 pages)
214516 [View PDF (304 kB)]
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Quasiparticles in high-temperature superconductors: Consistency of angle-resolved photoemission and optical conductivity
A. J. Millis and H. D. Drew
Published 19 June 2003 (7 pages)
214517 [View PDF (79 kB)]
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Pressure dependence of electron-phonon coupling and superconductivity in hcp Fe: A linear response study
S. K. Bose, O. V. Dolgov, J. Kortus, O. Jepsen, and O. K. Andersen
Published 19 June 2003 (11 pages)
214518 [View PDF (149 kB)]
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Interface superconductivity in the eutectic Sr2RuO4-Ru: 3-K phase of Sr2RuO4
Hiroshi Yaguchi, Masahiko Wada, Takashi Akima, Yoshiteru Maeno, and Takehiko Ishiguro
Published 24 June 2003 (7 pages)
214519 [View PDF (154 kB)]
 
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