http://prl.aps.org/ Spintronics articles published in Physical Review Journals en-us Copyright (c) 2007, The American Physical Society 2008-04-29T02:30:00-05:00 assocpub@aps.org rss@aps.org hourly 4 2008-04-29T02:30:00-05:00 rss@aps.org http://link.aps.org/abstract/PRB/v77/e153307 Author(s): T. P. Pareek and A. M. Jayannavar<br/>Generation and measurement of nonequilibrium spin current in two probe phase coherent conductors are discussed. It is argued and shown that spin current can be generated in a two-terminal nonmagnetic system by application of electrical voltage. These spin currents can be measured via conductance in...<br/>[Phys. Rev. B 77, 153307] Published Mon Apr 28, 2008 Phys. Rev. B 77, 153307 T. P. Pareek A. M. Jayannavar 2008-04-28T00:00:00-05:00 Semiconductors II: surfaces, interfaces, microstructures, and related topics 10.1103/PhysRevB.77.153307 text/html article 15 77 2008-04-28T00:00:00-05:00 Physical Review B 153307 Semiconductors II: surfaces, interfaces, microstructures, and related topics abstract 2008-02-13T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e153411 Author(s): B. Huang, F. Liu, J. Wu, B.-L. Gu, and W. Duan<br/>We investigate the effect of edge defects (vacancies) and impurities (substitutional dopants) on the robustness of spin polarization in graphene nanoribbons (GNRs) with zigzag edges by using density-functional-theory calculations. The stability of the spin state and its magnetic moments is found to...<br/>[Phys. Rev. B 77, 153411] Published Fri Apr 25, 2008 Phys. Rev. B 77, 153411 Bing Huang Feng Liu Jian Wu Bing-Lin Gu Wenhui Duan 2008-04-25T00:00:00-05:00 Surface physics, nanoscale physics, low-dimensional systems 10.1103/PhysRevB.77.153411 text/html article 15 77 2008-04-25T00:00:00-05:00 Physical Review B 153411 Surface physics, nanoscale physics, low-dimensional systems abstract 2008-03-31T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e155212 Author(s): M. Gallart, S. Cronenberger, C. Brimont, B. Hönerlage, and P. Gilliot<br/>The full point group symmetry of a crystal can be broken due to internal or external effective fields. In the study of excitons, such symmetry breaking can lead to a coupling of different exciton states and if a system is prepared in an exciton state with a defined total angular momentum (pseudospi...<br/>[Phys. Rev. B 77, 155212] Published Fri Apr 25, 2008 Phys. Rev. B 77, 155212 M. Gallart S. Cronenberger C. Brimont B. Hönerlage P. Gilliot 2008-04-25T00:00:00-05:00 Semiconductors I: bulk 10.1103/PhysRevB.77.155212 text/html article 15 77 2008-04-25T00:00:00-05:00 Physical Review B 155212 Semiconductors I: bulk abstract 2007-02-07T00:00:00-05:00 http://link.aps.org/abstract/PRL/v100/e166805 Author(s): Y. Ke, K. Xia, and H. Guo<br/>We report a first principles formalism and its numerical implementation for treating quantum transport properties of nanoelectronic devices with atomistic disorder. We develop a nonequilibrium vertex correction (NVC) theory to handle the configurational average of random disorder at the density mat...<br/>[Phys. Rev. Lett. 100, 166805] Published Fri Apr 25, 2008 Phys. Rev. Lett. 100, 166805 Youqi Ke Ke Xia Hong Guo 2008-04-25T00:00:00-05:00 Condensed Matter: Electronic Properties, etc. 10.1103/PhysRevLett.100.166805 text/html article 16 100 2008-04-25T00:00:00-05:00 Physical Review Letters 166805 Condensed Matter: Electronic Properties, etc. abstract 2007-12-16T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e144423 Author(s): P. M. Braganca et al.<br/>We examine the effect that a spatially nonuniform spin current with a component polarized partially out of the plane has on a low saturation magnetization nanomagnet free layer. Micromagnetic simulations indicate that the spin-torque efficiency acting upon the reversing nanomagnet can be enhanced t...<br/>[Phys. Rev. B 77, 144423] Published Wed Apr 23, 2008 Phys. Rev. B 77, 144423 P. M. Braganca O. Ozatay A. G. F. Garcia O. J. Lee D. C. Ralph et al. 2008-04-23T00:00:00-05:00 Magnetism 10.1103/PhysRevB.77.144423 text/html article 14 77 2008-04-23T00:00:00-05:00 Physical Review B 144423 Magnetism abstract 2007-10-09T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e165331 Author(s): B. Huang and I. Appelbaum<br/>A spin-transport model is employed to study the effects of spin dephasing induced by diffusion-driven transit-time uncertainty through semiconductor spintronic devices where drift is the dominant transport mechanism. It is found that in the ohmic regime, dephasing is independent of transit length a...<br/>[Phys. Rev. B 77, 165331] Published Tue Apr 22, 2008 Phys. Rev. B 77, 165331 Biqin Huang Ian Appelbaum 2008-04-22T00:00:00-05:00 Semiconductors II: surfaces, interfaces, microstructures, and related topics 10.1103/PhysRevB.77.165331 text/html article 16 77 2008-04-22T00:00:00-05:00 Physical Review B 165331 Semiconductors II: surfaces, interfaces, microstructures, and related topics abstract 2008-01-11T00:00:00-05:00 http://link.aps.org/abstract/PRL/v100/e167201 Author(s): J.-V. Kim, Q. Mistral, C. Chappert, V. S. Tiberkevich, and A. N. Slavin<br/>The power spectrum of an auto-oscillator with a large frequency nonlinearity in a noisy environment is calculated. The power spectrum becomes strongly non-Lorentzian, broadened, and asymmetric near the generation threshold. A Lorentzian spectrum is recovered far below and far above the threshold, w...<br/>[Phys. Rev. Lett. 100, 167201] Published Tue Apr 22, 2008 Phys. Rev. Lett. 100, 167201 Joo-Von Kim Q. Mistral C. Chappert V. S. Tiberkevich A. N. Slavin 2008-04-22T00:00:00-05:00 Condensed Matter: Electronic Properties, etc. 10.1103/PhysRevLett.100.167201 text/html article 16 100 2008-04-22T00:00:00-05:00 Physical Review Letters 167201 Condensed Matter: Electronic Properties, etc. abstract 2007-09-29T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e144417 Author(s): E. Martinez, L. Lopez-Diaz, O. Alejos, and L. Torres<br/>The interaction between ac spin-polarized electrical currents and a domain wall initially trapped on a notch in a thin Permalloy nanostrip is investigated by micromagnetic modeling as well as a one-dimensional model that considers the wall as a rigid object. A systematic study of the depinning tran...<br/>[Phys. Rev. B 77, 144417] Published Fri Apr 18, 2008 Phys. Rev. B 77, 144417 E. Martinez L. Lopez-Diaz O. Alejos L. Torres 2008-04-18T00:00:00-05:00 Magnetism 10.1103/PhysRevB.77.144417 text/html article 14 77 2008-04-18T00:00:00-05:00 Physical Review B 144417 Magnetism abstract 2007-07-31T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e155320 Author(s): V. Giovannetti, F. Taddei, D. Frustaglia, and R. Fazio<br/>We propose an architecture for implementing electronic interferometry in quantum Hall bars. It exploits scattering among parallel edge channels. In contrast to previous developments, this one employs a simply connected mesa admitting serial concatenation of building elements closer to optical analo...<br/>[Phys. Rev. B 77, 155320] Published Fri Apr 18, 2008 Phys. Rev. B 77, 155320 Vittorio Giovannetti Fabio Taddei Diego Frustaglia Rosario Fazio 2008-04-18T00:00:00-05:00 Semiconductors II: surfaces, interfaces, microstructures, and related topics 10.1103/PhysRevB.77.155320 text/html article 15 77 2008-04-18T00:00:00-05:00 Physical Review B 155320 Semiconductors II: surfaces, interfaces, microstructures, and related topics abstract 2008-01-30T00:00:00-05:00 http://link.aps.org/abstract/PRL/v100/e156404 Author(s): X. L. Wang<br/>The concept of the spin gapless semiconductor in which both electron and hole can be fully spin polarized is proposed, and its possibility is presented on the basis of first-principles electronic structure calculations. Possible new physics and potential applications in spintronic devices based on ...<br/>[Phys. Rev. Lett. 100, 156404] Published Fri Apr 18, 2008 Phys. Rev. Lett. 100, 156404 X. L. Wang 2008-04-18T00:00:00-05:00 Condensed Matter: Electronic Properties, etc. 10.1103/PhysRevLett.100.156404 text/html article 15 100 2008-04-18T00:00:00-05:00 Physical Review Letters 156404 Condensed Matter: Electronic Properties, etc. abstract 2007-05-15T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e134432 Author(s): H.-X. Wei et al.<br/>We report the observation and micromagnetic analysis of current-driven magnetization switching in nanoscale ring-shaped magnetic tunnel junctions. When the electric current density exceeds a critical value of the order of 6×10^{6}A∕cm^{2}, the magnetization of the two magnetic rings can be switched...<br/>[Phys. Rev. B 77, 134432] Published Thu Apr 17, 2008 Phys. Rev. B 77, 134432 Hong-Xiang Wei Jiexuan He Zhen-Chao Wen Xiu-Feng Han Wen-Shan Zhan et al. 2008-04-17T00:00:00-05:00 Magnetism 10.1103/PhysRevB.77.134432 text/html article 13 77 2008-04-17T00:00:00-05:00 Physical Review B 134432 Magnetism abstract 2008-03-06T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e134433 Author(s): A. Herwadkar, W. R. L. Lambrecht, and M. van Schilfgaarde<br/>Linear response calculations of the magnetic exchange interactions in Mn-doped ScN were carried out in the rigid-spin approximation by using the muffin-tin-orbital Green’s function method. They show that the exchange interactions are long range and strongly affected by disorder, band gap correction...<br/>[Phys. Rev. B 77, 134433] Published Thu Apr 17, 2008 Phys. Rev. B 77, 134433 Aditi Herwadkar Walter R. L. Lambrecht Mark van Schilfgaarde 2008-04-17T00:00:00-05:00 Magnetism 10.1103/PhysRevB.77.134433 text/html article 13 77 2008-04-17T00:00:00-05:00 Physical Review B 134433 Magnetism abstract 2007-12-17T00:00:00-05:00 http://link.aps.org/abstract/PRL/v100/e156601 Author(s): C. A. Merchant and N. Marković<br/>We have studied the current through a carbon-nanotube quantum dot with one ferromagnetic and one normal-metal lead. For the values of gate voltage at which the normal lead is resonant with the single available nondegenerate energy level on the dot, we observe a pronounced decrease in the current fo...<br/>[Phys. Rev. Lett. 100, 156601] Published Thu Apr 17, 2008 Phys. Rev. Lett. 100, 156601 Christopher A. Merchant Nina Marković 2008-04-17T00:00:00-05:00 Condensed Matter: Electronic Properties, etc. 10.1103/PhysRevLett.100.156601 text/html article 15 100 2008-04-17T00:00:00-05:00 Physical Review Letters 156601 Condensed Matter: Electronic Properties, etc. abstract 2007-07-13T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e132406 Author(s): N. V. Dai et al.<br/>The impact of in-plane alternating currents on the exchange bias, resistance, and magnetoresistance of a Co_{85}Fe_{15}∕Ni_{0.85}Co_{0.15}O∕Co_{85}Fe_{15}∕Cu∕Co_{85}Fe_{15} spin valve is studied. With increasing current, the resistance is increased while the maximum magnetoresistance ratio decrease...<br/>[Phys. Rev. B 77, 132406] Published Wed Apr 16, 2008 Phys. Rev. B 77, 132406 N. V. Dai N. C. Thuan L. V. Hong N. X. Phuc Y. P. Lee et al. 2008-04-16T00:00:00-05:00 Magnetism 10.1103/PhysRevB.77.132406 text/html article 13 77 2008-04-16T00:00:00-05:00 Physical Review B 132406 Magnetism abstract 2008-01-07T00:00:00-05:00 http://link.aps.org/abstract/PRL/v100/e156402 Author(s): S. Gangadharaiah, J. Sun, and O. A. Starykh<br/>We investigate interactions between spins of strongly correlated electrons subject to the spin-orbit interaction. Our main finding is that of a novel, spin-orbit mediated anisotropic spin-spin coupling of the van der Waals type. Unlike the standard exchange, this interaction does not require the wa...<br/>[Phys. Rev. Lett. 100, 156402] Published Tue Apr 15, 2008 Phys. Rev. Lett. 100, 156402 Suhas Gangadharaiah Jianmin Sun Oleg A. Starykh 2008-04-15T00:00:00-05:00 Condensed Matter: Electronic Properties, etc. 10.1103/PhysRevLett.100.156402 text/html article 15 100 2008-04-15T00:00:00-05:00 Physical Review Letters 156402 Condensed Matter: Electronic Properties, etc. abstract 2007-11-20T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e132405 Author(s): I. G. Bostrem, J.-i. Kishine, and A. S. Ovchinnikov<br/>We show that the bulk transport magnetic current is generated by the moving magnetic kink crystal (chiral soliton lattice) formed in the chiral helimagnet under the static magnetic field applied perpendicular to the helical axis. The current is caused by the nonequilibrium transport momentum with t...<br/>[Phys. Rev. B 77, 132405] Published Fri Apr 11, 2008 Phys. Rev. B 77, 132405 I. G. Bostrem Jun-ichiro Kishine A. S. Ovchinnikov 2008-04-11T00:00:00-05:00 Magnetism 10.1103/PhysRevB.77.132405 text/html article 13 77 2008-04-11T00:00:00-05:00 Physical Review B 132405 Magnetism abstract 2008-01-17T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e165117 Author(s): T. Tanaka et al.<br/>We study the intrinsic spin Hall conductivity (SHC) in various 5d transition metals (Ta, W, Re, Os, Ir, Pt, and Au) and 4d transition metals (Nb, Mo, Tc, Ru, Rh, Pd, and Ag) based on the Naval Research Laboratory tight-binding model, which enables us to perform quantitatively reliable analysis. In ...<br/>[Phys. Rev. B 77, 165117] Published Fri Apr 11, 2008 Phys. Rev. B 77, 165117 T. Tanaka H. Kontani M. Naito T. Naito D. S. Hirashima et al. 2008-04-11T00:00:00-05:00 Electronic structure: wide-band, narrow-band, and strongly correlated systems 10.1103/PhysRevB.77.165117 text/html article 16 77 2008-04-11T00:00:00-05:00 Physical Review B 165117 Electronic structure: wide-band, narrow-band, and strongly correlated systems abstract 2007-11-08T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e165412 Author(s): D. Jacob, J. Fernández-Rossier, and J. J. Palacios<br/>We present ab initio calculations of the evolution of anisotropic magnetoresistance (AMR) in Ni nanocontacts from the ballistic to the tunnel regime. We find an extraordinary enhancement of AMR, compared to bulk, in two scenarios. In systems without localized states, such as chemically pure break j...<br/>[Phys. Rev. B 77, 165412] Published Thu Apr 10, 2008 Phys. Rev. B 77, 165412 D. Jacob J. Fernández-Rossier J. J. Palacios 2008-04-10T00:00:00-05:00 Surface physics, nanoscale physics, low-dimensional systems 10.1103/PhysRevB.77.165412 text/html article 16 77 2008-04-10T00:00:00-05:00 Physical Review B 165412 Surface physics, nanoscale physics, low-dimensional systems abstract 2007-08-09T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e144409 Author(s): S. Karmakar et al.<br/>Exchange-bias (EB) phenomena have been observed in the L_{0.5}Sr_{0.5}MnO_{3} (L=Y, Y_{0.5}Sm_{0.5}, and Y_{0.5}La_{0.5})-type manganites showing cluster-glass-like and spin-glass-like behavior. The field cooled magnetic hysteresis loops exhibit shifts both in the field and magnetization axes. The ...<br/>[Phys. Rev. B 77, 144409] Published Mon Apr 07, 2008 Phys. Rev. B 77, 144409 Shilpi Karmakar S. Taran Esa Bose B. K. Chaudhuri C. P. Sun et al. 2008-04-07T00:00:00-05:00 Magnetism 10.1103/PhysRevB.77.144409 text/html article 14 77 2008-04-07T00:00:00-05:00 Physical Review B 144409 Magnetism abstract 2007-07-16T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e165312 Author(s): R. Sánchez, C. López-Monís, and G. Platero<br/>We analyze coherent spin rotations in a dc biased double quantum dot driven by crossed dc and ac magnetic fields. In this configuration, spatial delocalization due to interdot tunneling competes with intradot spin rotations induced by the time dependent magnetic field, giving rise to a complicated ...<br/>[Phys. Rev. B 77, 165312] Published Mon Apr 07, 2008 Phys. Rev. B 77, 165312 Rafael Sánchez Carlos López-Monís Gloria Platero 2008-04-07T00:00:00-05:00 Semiconductors II: surfaces, interfaces, microstructures, and related topics 10.1103/PhysRevB.77.165312 text/html article 16 77 2008-04-07T00:00:00-05:00 Physical Review B 165312 Semiconductors II: surfaces, interfaces, microstructures, and related topics abstract 2008-02-15T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e144408 Author(s): B. Skubic, E. Holmström, A. Bergman, and O. Eriksson<br/>We have studied the Fe/V bcc (100) multilayers and the effect of alloying the V spacer layers with various amounts of magnetic impurities (Fe, Co, Ni, and Cr). The study was performed by means of total energy electronic structure calculations. We compare the effect of the different types of impurit...<br/>[Phys. Rev. B 77, 144408] Published Fri Apr 04, 2008 Phys. Rev. B 77, 144408 B. Skubic E. Holmström A. Bergman O. Eriksson 2008-04-04T00:00:00-05:00 Magnetism 10.1103/PhysRevB.77.144408 text/html article 14 77 2008-04-04T00:00:00-05:00 Physical Review B 144408 Magnetism abstract 2007-08-21T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e155305 Author(s): E. Tsitsishvili and H. Kalt<br/>We have calculated the characteristic time for the direct heating of the Mn spin system by spin-polarized photoexcited holes as well as the relaxation time for a single hole in semimagnetic quantum wells in an external longitudinal magnetic field. This spin-conserving heating process is due to the ...<br/>[Phys. Rev. B 77, 155305] Published Fri Apr 04, 2008 Phys. Rev. B 77, 155305 Elena Tsitsishvili Heinz Kalt 2008-04-04T00:00:00-05:00 Semiconductors II: surfaces, interfaces, microstructures, and related topics 10.1103/PhysRevB.77.155305 text/html article 15 77 2008-04-04T00:00:00-05:00 Physical Review B 155305 Semiconductors II: surfaces, interfaces, microstructures, and related topics abstract 2007-11-13T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e155407 Author(s): B. Sanyal, O. Eriksson, and P. I. Arvidsson<br/>We report a density functional theory based ab initio investigation of protein nanotubes formed by a stacking of β-peptide rings. We have optimized the structure of β-peptide rings arranged in a nanotube geometry. The calculated interatomic bond distances are found to agree with observations as is ...<br/>[Phys. Rev. B 77, 155407] Published Fri Apr 04, 2008 Phys. Rev. B 77, 155407 Biplab Sanyal Olle Eriksson Per I. Arvidsson 2008-04-04T00:00:00-05:00 Surface physics, nanoscale physics, low-dimensional systems 10.1103/PhysRevB.77.155407 text/html article 15 77 2008-04-04T00:00:00-05:00 Physical Review B 155407 Surface physics, nanoscale physics, low-dimensional systems abstract 2007-10-12T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e155304 Author(s): P.-Q. Jin and Y.-Q. Li<br/>Starting from a continuum constituted by charged tops, we formulate the classical counterpart of a previously obtained covariant continuitylike equation for the spin current. Such a formulism provides an intuitive picture to elucidate the nonconservation of the spin current and to interpret the con...<br/>[Phys. Rev. B 77, 155304] Published Thu Apr 03, 2008 Phys. Rev. B 77, 155304 Pei-Qing Jin You-Quan Li 2008-04-03T00:00:00-05:00 Semiconductors II: surfaces, interfaces, microstructures, and related topics 10.1103/PhysRevB.77.155304 text/html article 15 77 2008-04-03T00:00:00-05:00 Physical Review B 155304 Semiconductors II: surfaces, interfaces, microstructures, and related topics abstract 2008-01-16T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e165305 Author(s): S. Bellucci and P. Onorato<br/>In a quantum nanojunction with a Π geometry and two external leads, the spin properties of an incoming electron are modified by the spin-orbit interaction, resulting in a transformation of the spin polarization of the injected current. The Π nanojunction acts as a ballistic spin rotator whose prope...<br/>[Phys. Rev. B 77, 165305] Published Thu Apr 03, 2008 Phys. Rev. B 77, 165305 S. Bellucci P. Onorato 2008-04-03T00:00:00-05:00 Semiconductors II: surfaces, interfaces, microstructures, and related topics 10.1103/PhysRevB.77.165305 text/html article 16 77 2008-04-03T00:00:00-05:00 Physical Review B 165305 Semiconductors II: surfaces, interfaces, microstructures, and related topics abstract 2007-11-07T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e165306 Author(s): M. Evaldsson, S. Ihnatsenka, and I. V. Zozoulenko<br/>We study spin polarization in a split-gate quantum wire focusing on the effect of a realistic smooth potential due to remote donors. Electron interaction and spin effects are included within the density functional theory in the local spin density approximation. We find that depending on the electro...<br/>[Phys. Rev. B 77, 165306] Published Thu Apr 03, 2008 Phys. Rev. B 77, 165306 M. Evaldsson S. Ihnatsenka I. V. Zozoulenko 2008-04-03T00:00:00-05:00 Semiconductors II: surfaces, interfaces, microstructures, and related topics 10.1103/PhysRevB.77.165306 text/html article 16 77 2008-04-03T00:00:00-05:00 Physical Review B 165306 Semiconductors II: surfaces, interfaces, microstructures, and related topics abstract 2007-12-17T00:00:00-05:00 http://link.aps.org/abstract/PRL/v100/e136601 Author(s): N. Poli et al.<br/>We study spin transport in a superconducting nanowire using a set of closely spaced magnetic tunnel contacts. We observe a giant enhancement of the spin accumulation of up to 5 orders of magnitude on transition into the superconducting state, consistent with the expected changes in the density of s...<br/>[Phys. Rev. Lett. 100, 136601] Published Thu Apr 03, 2008 Phys. Rev. Lett. 100, 136601 N. Poli J. P. Morten M. Urech Arne Brataas D. B. Haviland et al. 2008-04-03T00:00:00-05:00 Condensed Matter: Electronic Properties, etc. 10.1103/PhysRevLett.100.136601 text/html article 13 100 2008-04-03T00:00:00-05:00 Physical Review Letters 136601 Condensed Matter: Electronic Properties, etc. abstract 2007-07-18T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e132401 Author(s): H.-X. Wei, M. C. Hickey, G. I. R. Anderson, X.-F. Han, and C. H. Marrows<br/>A current-induced magnetization switching has been observed in a microscale ring-shaped magnetic tunnel junction having an alumina barrier, which showed a tunneling magnetoresistance ratio of 37% and a resistance-area product of 175 Ω μm^{2}. Several metastable magnetization states were observed du...<br/>[Phys. Rev. B 77, 132401] Published Wed Apr 02, 2008 Phys. Rev. B 77, 132401 Hong-Xiang Wei Mark C. Hickey Graham I. R. Anderson Xiu-Feng Han Christopher H. Marrows 2008-04-02T00:00:00-05:00 Magnetism 10.1103/PhysRevB.77.132401 text/html article 13 77 2008-04-02T00:00:00-05:00 Physical Review B 132401 Magnetism abstract 2007-08-20T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e134403 Author(s): M. Gradhand, C. Heiliger, P. Zahn, and I. Mertig<br/>A detailed first-principles analysis of the transport properties of different magnetic electrode materials for MgO tunnel junctions is performed to elucidate the microscopic origin of the tunneling magnetoresistance (TMR) effect. The spin-dependent transport properties of the magnetic materials are...<br/>[Phys. Rev. B 77, 134403] Published Wed Apr 02, 2008 Phys. Rev. B 77, 134403 Martin Gradhand Christian Heiliger Peter Zahn Ingrid Mertig 2008-04-02T00:00:00-05:00 Magnetism 10.1103/PhysRevB.77.134403 text/html article 13 77 2008-04-02T00:00:00-05:00 Physical Review B 134403 Magnetism abstract 2007-09-25T00:00:00-05:00 http://link.aps.org/abstract/PRB/v77/e155203 Author(s): A. M. Nazmul, H. T. Lin, S. N. Tran, S. Ohya, and M. Tanaka<br/>We have studied the planar Hall effect (PHE) in a Mn δ-doped GaAs-based heterostructure consisting of Mn δ-doped GaAs and p-type AlGaAs. We observe a distinct and large PHE and a specific in-plane [110] uniaxial magnetic anisotropy below the ferromagnetic transition temperature (T_{C}). This uniaxi...<br/>[Phys. Rev. B 77, 155203] Published Wed Apr 02, 2008 Phys. Rev. B 77, 155203 A. M. Nazmul H. T. Lin S. N. Tran S. Ohya M. Tanaka 2008-04-02T00:00:00-05:00 Semiconductors I: bulk 10.1103/PhysRevB.77.155203 text/html article 15 77 2008-04-02T00:00:00-05:00 Physical Review B 155203 Semiconductors I: bulk abstract 2006-06-01T00:00:00-05:00