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Related papers: Electron spin diffusion at the interface of multif…

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We probe spin transport in Cu_{2}O by measuring spin valve effect in La_{0.7}Sr_{0.3}MnO_{3}/Cu_{2}O/Co and La_{0.7}Sr_{0.3}MnO_{3}/Cu_{2}O/La_{0.7}Sr_{0.3}MnO_{3} epitaxial heterostructures. In La_{0.7}Sr_{0.3}MnO_{3}/Cu_{2}O/Co systems we…

Mesoscale and Nanoscale Physics · Physics 2010-04-21 I. Pallecchi , L. Pellegrino , N. Banerjee , M. Cantoni , A. Gadaleta , A. S. Siri , D. Marré

We report a magnetotransport study of spin relaxation in 1.4-21.2 nm epitaxial SrIrO$_3$ thin films coherently strained on SrTiO$_3$ substrates. Fully charge compensated semimetallic transport has been observed in SrIrO$_3$ films thicker…

Strongly Correlated Electrons · Physics 2020-06-16 L. Zhang , X. Jiang , X. Xu , X. Hong

CaMnO3 is a simple bi-partite antiferromagnet(AF) which can be continuously electron-doped up to LaMnO3. Electrons enter the doubly degenerate E_g subshell with spins aligned to the S=3/2 core of Mn^4+ (T_2g^3)$. We take the Hubbard and…

Strongly Correlated Electrons · Physics 2009-11-07 Yiing-Rei Chen , Philip B. Allen

We present results on the magnetoresistance of the system Ni/Al203/n-doped Si/Al2O3/Ni in fabricated nanostructures. The results at temperature of 14K reveal a 75% magnetoresistance that decreases in value up to approximately 30K where the…

Materials Science · Physics 2013-12-06 C. I. L. de Araujo , M. A. Tumelero , A. D. C. Viegas , N. Garcia , A. A. Pasa

We compute spin diffusion in a dilute Fermi gas at arbitrary temperature, polarization and strong interaction in the normal phase using kinetic theory. While the longitudinal spin diffusivity depends weakly on polarization and diverges for…

Quantum Gases · Physics 2013-09-30 Tilman Enss

We report on the structural evolution, spin phonon interactions, and magnetoelastic effects in bulk LaFeO3 perovskite across its antiferromagnetic transition. We found that while the lattice constants exhibit slight deviations at the Neel…

We predict the appearance of a persistent spin current in a two-dimensional electron gas formed at the interface of multiferroic oxides with a transverse helical magnetic order. No charge current is generated. This is the result of an…

Mesoscale and Nanoscale Physics · Physics 2009-07-20 Chenglong Jia , Jamal Berakdar

Strong Rashba spin-orbit coupling (SOC) of the two-dimensional electron gas (2DEG) at the oxide interface $\mathrm{LaAlO_{3}/SrTiO_{3}}$ underlies a variety of exotic physics, but its nature is still under debate. We derive an effective…

Mesoscale and Nanoscale Physics · Physics 2015-06-10 Jianhui Zhou , Wen-Yu Shan , Di Xiao

Magnetic and electronic structures in LaFeAsO in the single-stripe-type antiferromagnetic (AFM) phase are studied using first-principles density-functional calculations including the spin-orbit interaction. We show that the longitudinal…

Superconductivity · Physics 2016-12-28 Sehoon Oh , Jung-Hoon Lee , Hyun Myung Jang , Hyoung Joon Choi

We investigate several spin-related phenomena in a confined two-dimensional electron gas (2DEG) using the Hartree-Fock approximation for the mutual Coulomb interaction of the electrons. The exchange term of the interaction causes a large…

Condensed Matter · Physics 2007-05-23 Vidar Gudmundsson , Juan Jose Palacios

Recent experiments have found new magnetic behaviors, which are different from the parent bulk materials, at the interfaces between 3$d$ and 5$d$ oxides such as SrMnO$_3$ (SMO) and SrIrO$_3$ (SIO). The system is of considerable interest due…

Strongly Correlated Electrons · Physics 2018-08-29 Sayantika Bhowal , Sashi Satpathy

In NaNiO2, Ni3+ ions form a quasi two dimensional triangular lattice of S = 1=2 spins. The magnetic order observed below 20K has been described as an A type antiferromagnet with ferro- magnetic layers weakly coupled antiferromagnetically.…

Strongly Correlated Electrons · Physics 2009-11-11 Sophie De Brion , C. Darie , M. Hopzapfel , D. Talbayev , L. Mihaly , F. Simon , A. Janossy , G. Chouteau

We present the results of muon-spin relaxation measurements of spin excitations in the one-dimensional quantum Heisenberg antiferromagnet Cu(pyz)(NO$_{3}$)$_{2}$. Using density-functional theory we propose muon sites and assess the degree…

Strongly Correlated Electrons · Physics 2015-05-20 F. Xiao , J. S. Möller , T. Lancaster , R. C. Williams , F. L. Pratt , S. J. Blundell , D. Ceresoli , A. M. Barton , J. L. Manson

Non-collinear two-dimensional triangular lattice antiferromagnets (2D TLAF) are currently an area of very active research due to their unique magnetic properties, which lead to non-trivial quantum effects that experimentally manifest…

Strongly Correlated Electrons · Physics 2018-10-12 J. C. Leiner , Taehun Kim , Kisoo Park , Joosung Oh , T. G. Perring , H. C. Walker , X. Xu , Y. Wang , S. -W. Cheong , Je-Geun Park

The magnetic excitations of the square-lattice spin-1/2 antiferromagnet and high-Tc parent La2CuO4 are determined using high-resolution inelastic neutron scattering. Sharp spin waves with absolute intensities in agreement with theory…

Strongly Correlated Electrons · Physics 2009-10-31 R. Coldea , S. M. Hayden , G. Aeppli , T. G. Perring , C. D. Frost , T. E. Mason , S. -W. Cheong , Z. Fisk

Using one of the methods of quantum nonequilibrium statistical physics we have investigated the spin transport transverse to the normal metal/ferromagnetic insulator interface in hybrid nanostructures. An approximation of the effective…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 I. I. Lyapilin , M. S. Okorokov , V. V. Ustinov

The magnetic excitations in ferromagnetic SrRuO$_3$ were studied by inelastic neutron scattering combining experiments on triple-axis and time-of-flight spectrometers with and without polarization analysis. A quadratic spin-wave dispersion…

Strongly Correlated Electrons · Physics 2023-06-07 K. Jenni , S. Kunkemöller , A. Tewari , R. A. Ewings , Y. Sidis , A. Schneidewind , P. Steffens , A. A. Nugroho , M. Braden

The quest to understand, design, and synthesize new forms of quantum matter guides much of contemporary research in condensed matter physics. One-dimensional (1D) electronic systems form the basis for some of the most interesting and exotic…

Strongly Correlated Electrons · Physics 2020-12-16 Megan Briggeman , Jianan Li , Mengchen Huang , Hyungwoo Lee , Jung-Woo Lee , Kitae Eom , Chang-Beom Eom , Patrick Irvin , Jeremy Levy

We evaluate the non-equilibrium spin polarization induced by an applied electric field for a tight-binding model of electron states at oxides interfaces in LAO/STO heterostructures. By a combination of analytic and numerical approaches we…

Mesoscale and Nanoscale Physics · Physics 2018-08-29 Goetz Seibold , Sergio Caprara , Roberto Raimondi

Resonant x-ray scattering at the Dy $M_5$ and Ni $L_3$ absorption edges was used to probe the temperature and magnetic field dependence of magnetic order in epitaxial LaNiO$_3$-DyScO$_3$ superlattices. For superlattices with 2 unit cell…

Strongly Correlated Electrons · Physics 2017-06-07 M. Bluschke , A. Frano , E. Schierle , M. Minola , M. Hepting , G. Christiani , G. Logvenov , E. Weschke , E. Benckiser , B. Keimer
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