http://prb.aps.org/ Recently published articles in Phys. Rev. B in the Table of Content section "Magnetism" en-us Copyright (c) 2009 The American Physical Society 2009-11-05T23:45:04-05:00 assocpub@aps.org rss@aps.org hourly 4 2009-11-05T23:45:04-05:00 rss@aps.org http://link.aps.org/doi/10.1103/PhysRevB.80.180405 Author(s): Takahumi Suzuki, Yusuke Tomita, and Naoki Kawashima<br/>We study magnetic properties of the spin- 1/2 Ising-like XXZ model on the Shastry-Sutherland lattices with long-range interactions, using the quantum Monte Carlo method. This model shows magnetization plateau phases at one-half and one-third of the saturation magnetization when additional couplings ...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180405] Published Thu Nov 05, 2009 Takahumi Suzuki, Yusuke Tomita, and Naoki Kawashima 2009-11-05T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180405 Phys. Rev. B 80, 180405 text/html article Physical Review B 80 18 2009-11-05T00:00:00-05:00 180405 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.180404 Author(s): T. Okuda, J. Lobo-Checa, W. Auwärter, M. Morscher, M. Hoesch, V. N. Petrov, M. Hengsberger, A. Tamai, A. Dolocan, C. Cirelli, M. Corso, M. Muntwiler, M. Klöckner, M. Roos, J. Osterwalder, and T. Greber<br/>The valence-band electronic structure of a clean Ni(111) surface is investigated by spin-resolved photoemission. At room temperature the orientation of the photoelectron spins on the Bloch sphere and the exchange splitting of surface and bulk states along the surface normal (Γ [over ¯] ) are deter...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180404] Published Wed Nov 04, 2009 T. Okuda, J. Lobo-Checa, W. Auwärter, M. Morscher, M. Hoesch, V. N. Petrov, M. Hengsberger, A. Tamai, A. Dolocan, C. Cirelli, M. Corso, M. Muntwiler, M. Klöckner, M. Roos, J. Osterwalder, and T. Greber 2009-11-04T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180404 Phys. Rev. B 80, 180404 text/html article Physical Review B 80 18 2009-11-04T00:00:00-05:00 180404 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.184406 Author(s): Yoshisuke Ban and Gen Tatara<br/>We study theoretically the spin-transfer effect on a domain wall in disordered weak ferromagnets. We have identified the adiabatic condition for the disordered case as λ⪢λ_{D} ≡ sqrt[ℏD/Δ_{sd} ] , where D and Δ_{sd} are the diffusion constant and the spin splitting energy due to the sd typ...<br/>[Phys. Rev. B 80, 184406] Published Tue Nov 03, 2009 Yoshisuke Ban and Gen Tatara 2009-11-03T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.184406 Phys. Rev. B 80, 184406 text/html article Physical Review B 80 18 2009-11-03T00:00:00-05:00 184406 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.174401 Author(s): P. M. R. Brydon and C. Timm<br/>Motivated by the iron pnictides, we examine the spin excitations in an itinerant antiferromagnet where a spin-density wave (SDW) originates from an excitonic instability of nested electronlike and holelike Fermi pockets. Using the random-phase approximation, we derive the Dyson equation for the tran...<br/>[Phys. Rev. B 80, 174401] Published Tue Nov 03, 2009 P. M. R. Brydon and C. Timm 2009-11-03T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.174401 Phys. Rev. B 80, 174401 text/html article Physical Review B 80 17 2009-11-03T00:00:00-05:00 174401 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.184405 Author(s): L. Heyne, J. Rhensius, Y.-J. Cho, D. Bedau, S. Krzyk, C. Dette, H. S. Körner, J. Fischer, M. Laufenberg, D. Backes, L. J. Heyderman, L. Joly, F. Nolting, G. Tatara, H. Kohno, S. Seo, U. Rüdiger, and M. Kläui<br/>In a combined theoretical and experimental study, we investigate the critical current densities for vortex domain walls in magnetic nanowires. We systematically determine the critical current densities for continuous motion of vortex walls as a function of the wire width for different wire thickness...<br/>[Phys. Rev. B 80, 184405] Published Mon Nov 02, 2009 L. Heyne, J. Rhensius, Y.-J. Cho, D. Bedau, S. Krzyk, C. Dette, H. S. Körner, J. Fischer, M. Laufenberg, D. Backes, L. J. Heyderman, L. Joly, F. Nolting, G. Tatara, H. Kohno, S. Seo, U. Rüdiger, and M. Kläui 2009-11-02T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.184405 Phys. Rev. B 80, 184405 text/html article Physical Review B 80 18 2009-11-02T00:00:00-05:00 184405 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.184404 Author(s): Stefan Rotter and Y. Alhassid<br/>We consider a Kondo spin that is coupled antiferromagnetically to a large chaotic quantum dot. Such a dot is described by the so-called universal Hamiltonian and its electrons are interacting via a ferromagnetic exchange interaction. We derive an effective Hamiltonian in the limit of strong Kondo co...<br/>[Phys. Rev. B 80, 184404] Published Mon Nov 02, 2009 Stefan Rotter and Y. Alhassid 2009-11-02T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.184404 Phys. Rev. B 80, 184404 text/html article Physical Review B 80 18 2009-11-02T00:00:00-05:00 184404 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.184403 Author(s): Phivos Mavropoulos, Marjana Ležaić, and Stefan Blügel<br/>The magnetic state of nitrogen-doped MgO, with N substituting O at concentrations between 1% and the concentrated limit, is calculated with density-functional methods. The N atoms are found to be spin polarized with a moment of 1μ_{B} per nitrogen atom and to interact ferromagnetically via the doub...<br/>[Phys. Rev. B 80, 184403] Published Mon Nov 02, 2009 Phivos Mavropoulos, Marjana Ležaić, and Stefan Blügel 2009-11-02T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.184403 Phys. Rev. B 80, 184403 text/html article Physical Review B 80 18 2009-11-02T00:00:00-05:00 184403 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.184402 Author(s): Robin Steinigeweg and Jochen Gemmer<br/>We investigate transport in several translationally invariant spin- 1/2 chains in the limit of high temperatures. We concretely consider spin transport in the anisotropic Heisenberg chain, the pure Heisenberg chain within an alternating field, and energy transport in an Ising chain which is exposed ...<br/>[Phys. Rev. B 80, 184402] Published Mon Nov 02, 2009 Robin Steinigeweg and Jochen Gemmer 2009-11-02T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.184402 Phys. Rev. B 80, 184402 text/html article Physical Review B 80 18 2009-11-02T00:00:00-05:00 184402 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.184401 Author(s): K. S. D. Beach, Fabien Alet, Matthieu Mambrini, and Sylvain Capponi<br/>A quantum phase transition is typically induced by tuning an external parameter that appears as a coupling constant in the Hamiltonian. Another route is to vary the global symmetry of the system, generalizing, e.g., SU(2) to SU(N) . In that case, however, the discrete nature of the control parameter...<br/>[Phys. Rev. B 80, 184401] Published Mon Nov 02, 2009 K. S. D. Beach, Fabien Alet, Matthieu Mambrini, and Sylvain Capponi 2009-11-02T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.184401 Phys. Rev. B 80, 184401 text/html article Physical Review B 80 18 2009-11-02T00:00:00-05:00 184401 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.180403 Author(s): J.-S. Lee, E. Vescovo, C.-C. Kao, J.-M. Beaujour, A. D. Kent, H. Jang, J.-Y. Kim, J.-H. Park, and J. H. Shim<br/>The microscopic origin of the Landé g -factor in two ferromagnetic/nonmagnetic (FM/NM) bilayer systems-Co/Cu and Ni/Pd-has been investigated using x-ray magnetic circular dichroism, resonant magnetic reflectivity, and band calculations. The FM/NM bilayer represents the building block of any complet...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180403] Published Mon Nov 02, 2009 J.-S. Lee, E. Vescovo, C.-C. Kao, J.-M. Beaujour, A. D. Kent, H. Jang, J.-Y. Kim, J.-H. Park, and J. H. Shim 2009-11-02T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180403 Phys. Rev. B 80, 180403 text/html article Physical Review B 80 18 2009-11-02T00:00:00-05:00 180403 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.180402 Author(s): Wei-Guo Yin and Wei Ku<br/>We present an approximative simulation method for quantum many-body systems based on coarse graining the space of the momentum transferred between interacting particles, which leads to effective Hamiltonians of reduced size with the flavor-twisted boundary condition. A rapid, accurate, and fast conv...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180402] Published Mon Nov 02, 2009 Wei-Guo Yin and Wei Ku 2009-11-02T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180402 Phys. Rev. B 80, 180402 text/html article Physical Review B 80 18 2009-11-02T00:00:00-05:00 180402 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.180401 Author(s): Christopher L. Henley<br/>Following Huse and Rutenberg [Phys. Rev. B 45, 7536 (1992)], I argue the classical Heisenberg antiferromagnet on the kagome lattice has long-range spin order of the sqrt[3] × sqrt[3] type in the limit of zero temperature. I start from the effective quartic Hamiltonian for the soft (out of plane) sp...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 180401] Published Mon Nov 02, 2009 Christopher L. Henley 2009-11-02T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.180401 Phys. Rev. B 80, 180401 text/html article Physical Review B 80 18 2009-11-02T00:00:00-05:00 180401 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.144427 Author(s): L. Berger<br/>Many electronic theories of Gilbert damping in ferromagnetic metals are based on the s-d exchange model, where localized 3d magnetic spins are exchanged-coupled to itinerant 4s electrons, which provide the needed spin relaxation. Recently, Tserkovnyak have obtained Gilbert damping from itinerant 3d ...<br/>[Phys. Rev. B 80, 144427] Published Fri Oct 30, 2009 L. Berger 2009-10-30T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.144427 Phys. Rev. B 80, 144427 text/html article Physical Review B 80 14 2009-10-30T00:00:00-04:00 144427 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.134429 Author(s): Lingwei Li, Ryoichi Yamagata, Katsuhiko Nishimura, and Hitoshi Yamaoka<br/>A systematic study for (Ce_{1−x} Nd_{x} )_{3} Al (x=0–1.0) compounds has been performed by measuring lattice parameters, electrical resistivity, magnetization, and specific heat. All samples exhibit the hexagonal crystal structure at room temperature. The lattice parameters and unit-cell volume ...<br/>[Phys. Rev. B 80, 134429] Published Fri Oct 30, 2009 Lingwei Li, Ryoichi Yamagata, Katsuhiko Nishimura, and Hitoshi Yamaoka 2009-10-30T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.134429 Phys. Rev. B 80, 134429 text/html article Physical Review B 80 13 2009-10-30T00:00:00-04:00 134429 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.134428 Author(s): J.-G. Cheng, J.-S. Zhou, J. B. Goodenough, H. D. Zhou, C. R. Wiebe, T. Takami, and T. Fujii<br/>We report a comprehensive study of the monoclinic Nb_{12} O_{29} that includes material synthesis, chemical and structural characterization, and measurements of physical properties as a function of temperature, magnetic field, and high pressure. The high-pressure structural study has been carried ou...<br/>[Phys. Rev. B 80, 134428] Published Fri Oct 30, 2009 J.-G. Cheng, J.-S. Zhou, J. B. Goodenough, H. D. Zhou, C. R. Wiebe, T. Takami, and T. Fujii 2009-10-30T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.134428 Phys. Rev. B 80, 134428 text/html article Physical Review B 80 13 2009-10-30T00:00:00-04:00 134428 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.134427 Author(s): N. P. Konstantinidis<br/>The s_{i} = 1/2 nearest-neighbor antiferromagnetic Heisenberg model is considered for spins sitting on the vertices of clusters with the connectivity of fullerene molecules and a number of sites n ranging from 24 to 32. Using the permutational and spin-inversion symmetries of the Hamiltonian, the lo...<br/>[Phys. Rev. B 80, 134427] Published Fri Oct 30, 2009 N. P. Konstantinidis 2009-10-30T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.134427 Phys. Rev. B 80, 134427 text/html article Physical Review B 80 13 2009-10-30T00:00:00-04:00 134427 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.144426 Author(s): X. Ke, D. V. West, R. J. Cava, and P. Schiffer<br/>The two pyrochlore titanates Dy_{2} Ti_{2} O_{7} and Tb_{2} Ti_{2} O_{7} have low temperature magnetic states that result from geometrical frustration of the spin-spin interactions between neighboring rare-earth ions. Dy_{2} Ti_{2} O_{7} is a canonical spin ice material, while the Tb moments in Tb_{...<br/>[Phys. Rev. B 80, 144426] Published Thu Oct 29, 2009 X. Ke, D. V. West, R. J. Cava, and P. Schiffer 2009-10-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.144426 Phys. Rev. B 80, 144426 text/html article Physical Review B 80 14 2009-10-29T00:00:00-04:00 144426 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.144425 Author(s): A. Konovalenko, E. Lindgren, S. S. Cherepov, V. Korenivski, and D. C. Worledge<br/>Collective spin dynamics of two dipole-coupled nanomagnets in spin-flop tunnel junctions are studied experimentally and theoretically. The measured GHz magnetization oscillations reveal several collective spin-precessional modes. Analytical macrospin and numerical micromagnetic models of the spin-fl...<br/>[Phys. Rev. B 80, 144425] Published Thu Oct 29, 2009 A. Konovalenko, E. Lindgren, S. S. Cherepov, V. Korenivski, and D. C. Worledge 2009-10-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.144425 Phys. Rev. B 80, 144425 text/html article Physical Review B 80 14 2009-10-29T00:00:00-04:00 144425 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.140416 Author(s): Randy S. Fishman, Satoshi Okamoto, and Joel S. Miller<br/>Several molecule-based magnets can be constructed from diruthenium tetracarboxylate building blocks. We study two such materials with antiferromagnetic interactions between Cr(III) ions and diruthenium paddle-wheel complexes. While collinear magnetic ordering in the three-dimensional compound is fru...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 140416] Published Thu Oct 29, 2009 Randy S. Fishman, Satoshi Okamoto, and Joel S. Miller 2009-10-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.140416 Phys. Rev. B 80, 140416 text/html article Physical Review B 80 14 2009-10-29T00:00:00-04:00 140416 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.140415 Author(s): Tianyi Cai, Sheng Ju, Jaekwang Lee, Na Sai, Alexander A. Demkov, Qian Niu, Zhenya Li, Junren Shi, and Enge Wang<br/>Ferromagnet/ferroelectric/normal-metal superlattices are proposed to realize the large room-temperature magnetoelectric effect. Spin-dependent electron screening is the fundamental mechanism at the microscopic level. We also predict an electric control of magnetization in this structure. The natural...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 140415] Published Thu Oct 29, 2009 Tianyi Cai, Sheng Ju, Jaekwang Lee, Na Sai, Alexander A. Demkov, Qian Niu, Zhenya Li, Junren Shi, and Enge Wang 2009-10-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.140415 Phys. Rev. B 80, 140415 text/html article Physical Review B 80 14 2009-10-29T00:00:00-04:00 140415 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.134426 Author(s): Z. Boekelheide, David W. Cooke, E. Helgren, and F. Hellman<br/>The resistivity as a function of temperature from 0.6 to 300 K for epitaxial and polycrystalline Cr thin films is presented and fit to a model which includes electron-phonon scattering and resonant impurity scattering. Resonant impurity scattering from localized defect states in the spin-density wav...<br/>[Phys. Rev. B 80, 134426] Published Thu Oct 29, 2009 Z. Boekelheide, David W. Cooke, E. Helgren, and F. Hellman 2009-10-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.134426 Phys. Rev. B 80, 134426 text/html article Physical Review B 80 13 2009-10-29T00:00:00-04:00 134426 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.132408 Author(s): H. J. Xiang, E. J. Kan, Su-Huai Wei, M.-H. Whangbo, and Jinlong Yang<br/>The spin-ordering and spin-charge coupling in LuFe_{2} O_{4} were investigated on the basis of density functional calculations and Monte Carlo simulations. The 2:1 ferrimagnetism arises from the strong antiferromagnetic intrasheet Fe^{3+} -Fe^{3+} and Fe^{3+} -Fe^{2+} as well as some substantial ant...<br/>[Phys. Rev. B 80, 132408] Published Thu Oct 29, 2009 H. J. Xiang, E. J. Kan, Su-Huai Wei, M.-H. Whangbo, and Jinlong Yang 2009-10-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.132408 Phys. Rev. B 80, 132408 text/html article Physical Review B 80 13 2009-10-29T00:00:00-04:00 132408 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.140414 Author(s): N. M. Souza-Neto, D. Haskel, J. C. Lang, O. Chmaissem, B. Dabrowski, and I. Felner<br/>Element-specific x-ray magnetic circular dichroism measurements at the Ru L_{3} absorption edge are used to search for the presence of a net Ru ferromagnetic moment in the superconducting state of RuSr_{2} Eu_{1.5} Ce_{0.5} Cu_{2} O_{10} . A net moment of 0.21μ_{B} /Ru is observed in zero applied...<br/><img src="http://prb.aps.org/files/SuggestionPRB30x30.jpg" alt="PRB Editors' Suggestion"/><br/> <img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 140414] Published Wed Oct 28, 2009 N. M. Souza-Neto, D. Haskel, J. C. Lang, O. Chmaissem, B. Dabrowski, and I. Felner 2009-10-28T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.140414 Phys. Rev. B 80, 140414 text/html article Physical Review B 80 14 2009-10-28T00:00:00-04:00 140414 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.134425 Author(s): N. J. Zhou, B. Zheng, and Y. Y. He<br/>With Monte Carlo methods, we investigate the relaxation dynamics of a domain wall in the two-dimensional random-field Ising model with a driving field. The short-time dynamic behavior at the depinning transition is carefully examined, and the roughening process of the domain wall is observed. Based ...<br/>[Phys. Rev. B 80, 134425] Published Wed Oct 28, 2009 N. J. Zhou, B. Zheng, and Y. Y. He 2009-10-28T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.134425 Phys. Rev. B 80, 134425 text/html article Physical Review B 80 13 2009-10-28T00:00:00-04:00 134425 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.134424 Author(s): K. D. Truong, M. P. Singh, S. Jandl, and P. Fournier<br/>We report the influence of Ni/Mn ordering on the spin-phonon coupling in multifunctional La_{2} NiMnO_{6} . Three types of films with different levels of structural order, including long-range Ni/Mn cation order, cation disorder, and an admixture of the ordered and disordered phases are compared by ...<br/>[Phys. Rev. B 80, 134424] Published Wed Oct 28, 2009 K. D. Truong, M. P. Singh, S. Jandl, and P. Fournier 2009-10-28T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.134424 Phys. Rev. B 80, 134424 text/html article Physical Review B 80 13 2009-10-28T00:00:00-04:00 134424 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.134423 Author(s): Tomoko Aharen, John E. Greedan, Fanlong Ning, Takashi Imai, Vladimir Michaelis, Scott Kroeker, Haidong Zhou, Chris R. Wiebe, and Lachlan M. D. Cranswick<br/>Two B -site ordered double perovskites, Ba_{2} YRuO_{6} and La_{2} LiRuO_{6} , have been reinvestigated as part of a systematic study of geometric magnetic frustration in this class of oxide materials. Both involve Ru^{5+} (4d^{3} ,S=3/2) as the magnetic ion residing on a face-centered-cubic lattice...<br/>[Phys. Rev. B 80, 134423] Published Wed Oct 28, 2009 Tomoko Aharen, John E. Greedan, Fanlong Ning, Takashi Imai, Vladimir Michaelis, Scott Kroeker, Haidong Zhou, Chris R. Wiebe, and Lachlan M. D. Cranswick 2009-10-28T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.134423 Phys. Rev. B 80, 134423 text/html article Physical Review B 80 13 2009-10-28T00:00:00-04:00 134423 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.134422 Author(s): W. Tian, A. Kreyssig, J. L. Zarestky, L. Tan, S. Nandi, A. I. Goldman, T. A. Lograsso, D. L. Schlagel, K. A. Gschneidner, V. K. Pecharsky, and R. J. McQueeney<br/>We present a single-crystal neutron diffraction study of the magnetic short-range correlations in Tb_{5} Ge_{4} which orders antiferromagnetically below the Neel temperature T_{N} ≈92 K . Strong diffuse scattering arising from magnetic short-range correlations was observed in wide temperature ra...<br/>[Phys. Rev. B 80, 134422] Published Wed Oct 28, 2009 W. Tian, A. Kreyssig, J. L. Zarestky, L. Tan, S. Nandi, A. I. Goldman, T. A. Lograsso, D. L. Schlagel, K. A. Gschneidner, V. K. Pecharsky, and R. J. McQueeney 2009-10-28T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.134422 Phys. Rev. B 80, 134422 text/html article Physical Review B 80 13 2009-10-28T00:00:00-04:00 134422 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.144424 Author(s): Fenggong Wang, Zhiyong Pang, Liang Lin, Shaojie Fang, Ying Dai, and Shenghao Han<br/>The origin of magnetism in undoped MgO has been studied based on density functional theory. It is shown that Mg vacancies can induce local moments in MgO while O vacancies cannot irrespective of the concentration. The origin of the local magnetic moments comes from the partially occupied e_{g−} an...<br/>[Phys. Rev. B 80, 144424] Published Tue Oct 27, 2009 Fenggong Wang, Zhiyong Pang, Liang Lin, Shaojie Fang, Ying Dai, and Shenghao Han 2009-10-27T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.144424 Phys. Rev. B 80, 144424 text/html article Physical Review B 80 14 2009-10-27T00:00:00-04:00 144424 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.140413 Author(s): J. S. Bettinger, C. Piamonteze, R. V. Chopdekar, M. Liberati, E. Arenholz, and Y. Suzuki<br/>We have used x-ray magnetic circular dichroism (XMCD) in conjunction with multiplet simulations to directly probe the origin of photomagnetism in nanocrystalline (Mn,Zn,Fe)_{3} O_{4} . A photomagnetic effect at room temperature has been observed in these films with HeNe illumination. We have verifie...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 140413] Published Tue Oct 27, 2009 J. S. Bettinger, C. Piamonteze, R. V. Chopdekar, M. Liberati, E. Arenholz, and Y. Suzuki 2009-10-27T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.140413 Phys. Rev. B 80, 140413 text/html article Physical Review B 80 14 2009-10-27T00:00:00-04:00 140413 Magnetism Magnetism http://link.aps.org/doi/10.1103/PhysRevB.80.140412 Author(s): Yuichi Yamasaki, Yuki Kohara, and Yoshinori Tokura<br/>The magnetoelectric response and its quantum relaxation phenomenon have been investigated for a single crystal of yttrium iron garnet. The electric-dipole moments, built in by excess localized electrons forming Fe^{2+} sites, never freeze even at the lowest temperature and relax through a quantum tu...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. B 80, 140412] Published Tue Oct 27, 2009 Yuichi Yamasaki, Yuki Kohara, and Yoshinori Tokura 2009-10-27T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevB.80.140412 Phys. Rev. B 80, 140412 text/html article Physical Review B 80 14 2009-10-27T00:00:00-04:00 140412 Magnetism Magnetism