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Related papers: Current-induced torques due to compensated antifer…

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Recent theories of spin-current-induced magnetization reversal are formulated in terms of a spin-mixing conductance $G^{mix}$. We evaluate $G^{mix}$ from first-principles for a number of (dis)ordered interfaces between magnetic and…

Materials Science · Physics 2009-11-07 K. Xia , P. J. Kelly , G. E. W. Bauer , A. Brataas , I. Turek

We study current-driven skyrmion motion in uniaxial thin film antiferromagnets in the presence of the Dzyaloshinskii-Moriya interactions and in an external magnetic field. We phenomenologically include relaxation and current-induced torques…

Mesoscale and Nanoscale Physics · Physics 2017-04-05 Hristo Velkov , Olena Gomonay , Maarten Beens , Georg Schwiete , Arne Brataas , Jairo Sinova , Rembert A. Duine

We investigate the current-induced spin-orbit torque in antiferromangnetic materials in the presence of Rashba spin orbit coupling using both the linear response theory and the non-equilibrium Green's function technique implemented on a…

Mesoscale and Nanoscale Physics · Physics 2016-06-15 Hamed Ben Mohamed Saidaoui , Aurelien Manchon

We show that the injection of a pure spin current (not accompanied by charge current) into a ring can induce a circulating charge current in the ring, provided that transport coefficients of the ring are spin-dependent and inhomogeneous. As…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Soon-Wook Jung , Hyun-Woo Lee

We develop a quantum analog of the classical spin-torque model for current-driven magnetic dynamics. The current-driven magnetic excitation at finite field becomes significantly incoherent. This excitation is described by an effective…

Materials Science · Physics 2009-11-10 S. Urazhdin

We study the current-induced torques in asymmetric magnetic tunnel junctions containing a conventional ferromagnet and a magnetic Weyl semimetal contact. The Weyl semimetal hosts chiral bulk states and topologically protected Fermi arc…

Mesoscale and Nanoscale Physics · Physics 2021-06-16 D. J. P. de Sousa , Fei Xue , J. P. Wang , P. M. Haney , Tony Low

Current induced spin-orbit torques (SOTs) in ferromagnet/non-magnetic metal heterostructures open vast possibilities to design spintronic devices to store, process and transmit information in a simple architecture. It is a central task to…

Mesoscale and Nanoscale Physics · Physics 2021-07-28 L. Chen , R. Islinger , J. Stigloher , M. M. Decker , M. Kronseder , D. Schuh , D. Bougeard , D. Weiss , C. H. Back

We calculate the response of a ferromagnet - antiferromagnet junction to a high-frequency magnetic field as a function of the spin-polarized current through the junction. Conditions are choused under which the response is zero in absence of…

Materials Science · Physics 2012-03-02 S. G. Chigarev , E. M. Epshtein , Yu. V. Gulyaev , V. D. Kotov , G. M. Mikhailov , P. E. Zilberman

The flow of in-plane current through ultrathin magnetic heterostructures can cause magnetization switching or domain wall nucleation owing to bulk and interfacial effects. Within the magnetic layer, the current can create magnetic…

The magnetic torque of the antiferromagnetic molecular wheel CsFe8 was studied down to 50 mK and in fields up to 28 T. Below ca. 0.5 K phase transitions were observed at the field-induced level-crossings (LCs). Intermolecular magnetic…

Other Condensed Matter · Physics 2009-11-11 O. Waldmann , C. Dobe , S. T. Ochsenbein , H. U. Güdel , I. Sheikin

Thermally-driven spin-transfer torques have recently been reported in electrically insulating ferromagnet$|$normal-metal heterostructures. In this paper, we propose two physically distinct mechanisms for such torques. The first is a local…

Mesoscale and Nanoscale Physics · Physics 2016-02-24 Scott A. Bender , Yaroslav Tserkovnyak

We study the magnetization dynamics of spin valve structures with a free composite synthetic ferromagnet (SyF) that consists of two ferromagnetic layers coupled through a normal metal spacer. A ferromagnetically coupled SyF can be excited…

Mesoscale and Nanoscale Physics · Physics 2013-02-25 Yan Zhou , Jiang Xiao , Gerrit E. W. Bauer , F. C. Zhang

Ferromagnets are known to support spin-polarized currents that control various spin-dependent transport phenomena useful for spintronics. On the contrary, fully compensated antiferromagnets are expected to support only globally spin-neutral…

Mesoscale and Nanoscale Physics · Physics 2023-05-26 Ding-Fu Shao , Yuan-Yuan Jiang , Jun Ding , Shu-Hui Zhang , Zi-An Wang , Rui-Chun Xiao , Gautam Gurung , W. J. Lu , Y. P. Sun , Evgeny Y. Tsymbal

Ferromagnetic substrates can significantly influence the electromagnetic response of a coated conductor to an external magnetic field and transport current. This study analyzes this response theoretically using the thin shell…

Superconductivity · Physics 2025-04-22 Vladimir Sokolovsky , Leonid Prigozhin

Using the self-consistent model, we present nonlocal spin-transfer effects caused by the feedback between inhomogeneous magnetization and spin-transfer torque on the current-induced magnetization dynamics in nanomagnets. The nonlocal…

Other Condensed Matter · Physics 2008-12-01 Kyung-Jin Lee

The manipulation of magnetization in ferromagnetic metals (FMs) through orbital torque (OT) has emerged as a promising route for energy-efficient magnetic devices without relying on heavy metals. While Ti and Cu are among the most…

Mesoscale and Nanoscale Physics · Physics 2026-03-24 Daegeun Jo , Peter M. Oppeneer

Pure spin currents transport angular momentum without an associated charge flow. This unique property makes them attractive for spintronics applications, such as torque induced magnetization control in nanodevices that can be used for…

The spin-phase interference effects are studied analytically in resonant quantum tunneling of the N\'{e}el vector between degenerate excited levels in nanometer-scale single-domain antiferromagnets in the absence of an external magnetic…

Statistical Mechanics · Physics 2015-06-24 Rong Lu , Jia-Lin Zhu , Yi Zhou , Bing-Lin Gu

In the absence of an external magnetic field and a spin-polarized charge current, an antiferromagnetic system supports two degenerate magnon modes. An applied thermal bias activates the magnetic dynamics, leading to a magnon flow from the…

Mesoscale and Nanoscale Physics · Physics 2022-08-10 L. Chotorlishvili , Xi-guang Wang , A. Dyrdal , Guang-hua Guo , V. K. Dugaev , J. Barnas , J. Berakdar

Slow magnetic relaxation and two level fluctuations measurements under high current injection is performed in single-contacted ferromagnetic nanostructures. The magnetic configurations of the samples are described by two metastable states…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 J. -E. Wegrowe
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