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Related papers: Current induced torques in structures with ultra-t…

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Spin-transfer-torque, a transfer of angular momentum between the electron spin and the local magnetic moments, is a promising and key mechanism to control ferromagnetic materials in modern spintronic devices . However, much less attention…

Materials Science · Physics 2015-02-20 T. Moriyama , M. Nagata , K. Tanaka , K-J. Kim , H. Almasi , W. Wang , T. Ono

Current-induced torques on ferromagnetic nanoparticles and on domain walls in ferromagnetic nanowires are normally understood in terms of transfer of conserved spin angular momentum between spin-polarized currents and the magnetic…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 P. M. Haney , R. A. Duine , A. S. Nunez , A. H. MacDonald

It is shown that the current-induced torques between a ferromagnetic layer and an antiferromagnetic layer with a compensated interface vanish when the ferromagnet is aligned with an axis of spin-rotation symmetry of the antiferromagnet. For…

Mesoscale and Nanoscale Physics · Physics 2013-11-26 Karthik Prakya , Adrian Popescu , Paul M. Haney

We analyse the influence of current induced torques on the magnetization configuration of a ferromagnet in a circuit containing a compensated antiferromagnet. We argue that these torques are generically non-zero and support this conclusion…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 Paul M. Haney A. H. MacDonald

We investigate the injection of quasiparticle spin currents into a superconductor via spin pumping from an adjacent FM layer.$\;$To this end, we use NbN/\ch{Ni80Fe20}(Py)-heterostructures with a Pt spin sink layer and excite ferromagnetic…

We study the influence of an electric current on a continuous non-collinear antiferromagnetic texture. Despite the lack of a net magnetic moment we find that the exchange interaction between conduction electrons and local magnetization…

Mesoscale and Nanoscale Physics · Physics 2009-12-24 A. C. Swaving , R. A. Duine

We demonstrate that an antiferromagnet can be employed for a highly efficient electrical manipulation of a ferromagnet. In our study we use an electrical detection technique of the ferromagnetic resonance driven by an in-plane ac-current in…

Mesoscale and Nanoscale Physics · Physics 2015-12-08 V. Tshitoyan , C. Ciccarelli , A. P. Mihai , M. Ali , A. C. Irvine , T. A. Moore , T. Jungwirth , A. J. Ferguson

In systems with small spin-orbit coupling, current-induced torques on the magnetization require inhomogeneous magnetization textures. For large spin-orbit coupling, such torques exist even without gradients in the magnetization direction.…

Mesoscale and Nanoscale Physics · Physics 2013-05-30 E. van der Bijl , R. A. Duine

Spin-orbit coupling in inversion-asymmetric magnetic crystals and structures has emerged as a powerful tool to generate complex magnetic textures, interconvert charge and spin under applied current, and control magnetization dynamics.…

Mesoscale and Nanoscale Physics · Physics 2019-10-02 A. Manchon , J. Zelezný , I. M. Miron , T. Jungwirth , J. Sinova , A. Thiaville , K. Garello , P. Gambardella

In spite of the absence of a macroscopic magnetic moment, an anti-ferromagnet is spin-polarized on an atomic scale. The electric current passing through a conducting anti-ferromagnet is polarized as well, leading to spin-transfer torques…

Materials Science · Physics 2009-09-29 Yuan Xu , Shuai Wang , Ke Xia

We investigate spin transport in two dimensional ferromagnetic (FTI) and antiferromagnetic (AFTI) topological insulators. In presence of an in plane magnetization AFTI supports zero energy modes, which enables topologically protected edge…

Mesoscale and Nanoscale Physics · Physics 2017-01-26 Sumit Ghosh , Aurelien Manchon

Current-induced torques in ultrathin Co/Pt bilayers were investigated using an electrically driven FMR technique. The angle dependence of the resonances, detected by a rectification effect as a voltage, were analysed to determine the…

Mesoscale and Nanoscale Physics · Physics 2014-03-05 T. D. Skinner , M. Wang , A. T. Hindmarch , A. W. Rushforth , A. C. Irvine , D. Heiss , H. Kurebayashi , A. J. Ferguson

Antiferromagnetic spintronics is an emerging field; antiferromagnets can improve the functionalities of ferromagnets with higher response times, and having the information shielded against external magnetic field. Moreover, a large list of…

Electrical manipulation of spin textures inside antiferromagnets represents a new opportunity for developing spintronics with superior speed and high device density. Injecting spin currents into antiferromagnets and realizing efficient…

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…

Spin currents can exert spin-transfer torques on magnetic systems even in the limit of vanishingly small net magnetization, as is the case for antiferromagnets. Here, we experimentally show that a spin-transfer torque is operative in a…

Although spin injection at room temperature in an IrMn metallic antiferromagnet strongly depends on the transport regime, and is more efficient in the case of magnonic transport, in this article, we present experimental data demonstrating…

Materials Science · Physics 2018-09-26 O. Gladii , L. Frangou , G. Forestier , R. L. Seeger , S. Auffret , I. Joumard , M. Rubio-Roy , S. Gambarelli , V. Baltz

Contrary to conventional wisdom that spin dynamics induced by current are exclusive to metallic magnets, we theoretically predict that such phenomena can also be realized in magnetic insulators, specifically in the magnetoelectric…

Materials Science · Physics 2026-04-07 R. M. Dubrovin , Z. V. Gareeva , A. V. Kimel , A. K. Zvezdin

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

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
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