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Related papers: Long-Range Orbital Magnetoelectric Torque in Ferro…

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Electrical switching and readout of antiferromagnets allows to exploit the unique properties of antiferromagnetic materials in nanoscopic electronic devices. Here we report experiments on the spin-orbit torque induced electrical switching…

Materials Science · Physics 2020-03-25 Mareike Dunz , Tristan Matalla-Wagner , Markus Meinert

Spin-orbit torques in bilayers of ferromagnetic and nonmagnetic materials hold promise for energy efficient switching of magnetization in nonvolatile magnetic memories. Previously studied spin Hall and Rashba torques originate from…

Mesoscale and Nanoscale Physics · Physics 2018-11-05 C. Safranski , E. A. Montoya , I. N. Krivorotov

It was experimentally observed that both magnetic anisotropy and spin-orbit interaction strength change when the magnetization of the nanomagnet is reversed. This indicates a variation in spin-orbit interaction strength depending on whether…

Mesoscale and Nanoscale Physics · Physics 2024-07-10 Vadym Zayets

In ferromagnets, magnons may condense into a single quantum state. Analogous to superconductors, this quantum state may support transport without dissipation. Recent works suggest that longitudinal spin transport through a thin-film…

Mesoscale and Nanoscale Physics · Physics 2015-12-09 Hans Skarsvåg , Cecilia Holmqvist , Arne Brataas

We evaluate the distribution function of mesoscopic fluctuations of orbital magnetic response in finite-size level-quantized metal particles and Aharonov-Bohm rings for temperatures smaller than the mean level spacing. We find a broad…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 R. A. Serota

The possibility of quantum collapse and characteristics of nonlinear localized excitations is examined in dense stars with Landau orbital ferromagnetism in the framework of conventional quantum magnetohydrodynamics (QMHD) model including…

Solar and Stellar Astrophysics · Physics 2015-05-30 M. Akbari-Moghanjoughi

Electron-electron interactions are intrinsically long ranged, but many models of strongly interacting electrons only take short-ranged interactions into account. Here, we present results of atomistic calculations including both long-ranged…

Strongly Correlated Electrons · Physics 2021-05-19 Lennart Klebl , Zachary A. H. Goodwin , Arash A. Mostofi , Dante M. Kennes , Johannes Lischner

Current-driven spin-orbit torques are investigated in a heterostructure composed of a ferromagnet deposited on top of a three dimensional topological insulator using the linear response formalism. We develop a tight-binding model of the…

Mesoscale and Nanoscale Physics · Physics 2018-04-05 Sumit Ghosh , Aurelien Manchon

We have measured the quantum-interference magnetoresistances in two single indium tin oxide (ITO) nanowires between 0.25 and 40 K, by using the four-probe configuration method. The magnetoresistances are compared with the one-dimensional…

Mesoscale and Nanoscale Physics · Physics 2010-11-17 Yao-Wen Hsu , Shao-Pin Chiu , An-Shao Lien , Juhn-Jong Lin

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

Altermagnets, magnetic materials with zero magnetization and spin-split band structure, have gained tremendous attention recently for their rich physics and potential applications. Here, we report on a microscopic tight-binding model that…

Materials Science · Physics 2024-11-01 Marc Vila , Veronika Sunko , Joel E. Moore

The valleys in hexagonal two-dimensional systems with broken inversion symmetry carry an intrinsic orbital magnetic moment. Despite this, such systems possess zero net magnetization unless additional symmetries are broken, since the…

Mesoscale and Nanoscale Physics · Physics 2021-06-30 Brian T. Schaefer , Katja C. Nowack

Electrical control of the orbital degrees of freedom is an important area of research in the emerging field of "orbitronics." Orbital {\it gyrotropic} magneto-electric effect (OGME) is the generation of an orbital magnetization in a…

Mesoscale and Nanoscale Physics · Physics 2020-11-17 Sayantika Bhowal , S. Satpathy

The possible explanation of the long-range proximity effect observed in the single-crystalline cobalt nanowire sandwiched between two tungsten superconducting electrodes [Wang, M. \textit{et al}. \textit{ Nat. Phys}. \textbf{6}, 389 (2010)]…

Superconductivity · Physics 2018-03-14 M. V. Avdeev , Yu. N. Proshin

The availability of large magnetic fields at international facilities and of simulated magnetic fields that can reach the flux-quantum-per-unit-area level in cold atoms, calls for systematic studies of orbital effects of the magnetic field…

Strongly Correlated Electrons · Physics 2018-08-20 S. Acheche , L-F. Arsenault , A. -M. S. Tremblay

Multiferroics, where two or more ferroic order parameters coexist, is one of the hottest fields in condensed matter physics and materials science[1-9]. However, the coexistence of magnetism and conventional ferroelectricity is physically…

Materials Science · Physics 2016-03-11 Xiangang Wan , Hang-Chen Ding , Sergey Y. Savrasov , Chun-Gang Duan

We study spin transport between a ferromagnet with time-dependent magnetization and a conducting carbon nanotube or quantum wire, modeled as a Luttinger liquid. The precession of the magnetization vector of the ferromagnet due for instance…

Strongly Correlated Electrons · Physics 2009-11-10 Cristina Bena , Leon Balents

We demonstrate that the hybrid structures consisting of a superconducting layer with an adjacent spin-textured ferromagnet demonstrate the variety of equilibrium magnetoelectric effects originating from coupling between the conduction…

Superconductivity · Physics 2019-06-18 D. S. Rabinovich , I. V. Bobkova , A. M. Bobkov , M. A. Silaev

We have carried out a first-principles theoretical study of the magnetically induced polarization in orthorhombic TbMnO3, a prototypical material in which a cycloidal spin structure generates an electric polarization via the spin-orbit…

Materials Science · Physics 2009-12-16 Andrei Malashevich , David Vanderbilt

We present a consistent microscopic study of spin pumping effects for both metallic and insulating ferromagnets. As for metallic case, we present a simple quantum mechanical picture of the effect as due to the electron spin flip as a result…

Mesoscale and Nanoscale Physics · Physics 2017-08-22 Gen Tatara , Shigemi Mizukami
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