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This article reviews the principles that govern the combined transport of spin, heat, and charge. The extensive thermodynamic quantity associated with spin transport is the magnetization; its Onsager-conjugate force is in general the…

Materials Science · Physics 2021-06-09 Joseph P. Heremans

We study diffusive transport through ferromagnet - normal metal - ferromagnet (F-N-F) systems, with arbitrary but fixed magnetization directions of the ferromagnetic reservoirs and orientations of a magnetic field applied to the normal…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Daniel Huertas-Hernando , Yu. V. Nazarov , Arne Brataas , Gerrit E. W. Bauer

Spin-waves in antiferromagnets hold the prospects for the development of faster, less power-hungry electronics, as well as promising physics based on spin-superfluids and coherent magnon-condensates. For both these perspectives, addressing…

Mesoscale and Nanoscale Physics · Physics 2023-08-21 A. El Kanj , O. Gomonay , I. Boventer , P. Bortolotti , V. Cros , A. Anane , R. Lebrun

We present theoretical description of the precessional switching processes induced by simultaneous application of spin-polarized current and external magnetic field to antiferromagnetic component of the "pinned" layer. We found stability…

Other Condensed Matter · Physics 2013-05-29 Helen V. Gomonay , Vadim M. Loktev

We describe the coherent interaction between a defect spin at the interface of a ferromagnet and a non-magnetic material, under bias and when the magnetization of the ferromagnetic contact precesses during ferromagnetic resonance. The…

Mesoscale and Nanoscale Physics · Physics 2018-07-18 Nicholas J. Harmon , Michael E. Flatté

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

We observe highly efficient dynamic spin injection from Y$_3$Fe$_5$O$_{12}$ (YIG) into NiO, an antiferromagnetic (AF) insulator, via strong coupling, and robust spin propagation in NiO up to 100-nm thickness mediated by its AF spin…

Materials Science · Physics 2015-09-16 Hailong Wang , Chunhui Du , P. Chris Hammel , Fengyuan Yang

We predict that a lateral electrical current in antiferromagnets can induce non-equilibrium N\'eel order fields, i.e. fields whose sign alternates between the spin sublattices, which can trigger ultra-fast spin-axis reorientation. Based on…

Materials Science · Physics 2016-11-25 J. Zelezny , H. Gao , K. Vyborny , J. Zemen , J. Masek , A. Manchon , J. Wunderlich , J. Sinova , T. Jungwirth

We investigate magnetotransport in a ferromagnetic/normal/ferromagnetic graphene junction where a gate electrode is attached to the normal segment. It is shown that the charge conductance can be maximal at an antiparallel configuration of…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 Takehito Yokoyama , Jacob Linder

We study a bilayer structure consisting of an antiferromagnetic insulator and a normal metal. An electron current is driven in the normal metal with direction parallel to the interface between the materials. Due to interfacial exchange…

Mesoscale and Nanoscale Physics · Physics 2022-06-01 Eirik Erlandsen , Asle Sudbø

The antiferromagnetism in transition metal compounds is mostly mediated by the bridging anions through a so-called superexchange mechanism. However, in materials like normal spinels $AB_2X_4$ with local moments only at the $A$ site, such an…

Materials Science · Physics 2024-10-22 Liang-Wen Ji , Si-Qi Wu , Bai-Zhuo Li , Wu-Zhang Yang , Shi-Jie Song , Yi Liu , Jing Li , Zhi Ren , Guang-Han Cao

The spin-Hall effect describes the interconversion of charge currents and spin currents, enabling highly efficient manipulation of magnetization for spintronics. Symmetry conditions generally restrict polarizations of these spin currents to…

In the development of spin-based electronic devices, a particular challenge is the manipulation of the magnetic state with high speed and low power consumption. Although research has focused on the current-induced spin-orbit torque based on…

Applied Physics · Physics 2019-05-21 T. H. Kim , S. H. Han , B. K. Cho

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

The electrical response of two diffusive metals is studied when they are linked by a magnetic insulator hosting a topologically stable (superfluid) spin current. We discuss how charge currents in the metals induce a spin supercurrent state,…

Mesoscale and Nanoscale Physics · Physics 2015-10-14 So Takei , Yaroslav Tserkovnyak

We consider a quasi one-dimensional configuration consisting of two small pieces of ferromagnetic material separated by a metallic one and contacted by two metallic leads. A spin-polarized current is injected from one lead. Our goal is to…

Mesoscale and Nanoscale Physics · Physics 2007-06-13 J. Peguiron , M. -S. Choi , C. Bruder

The electron transport properties of hybrid ferromagnetic|normal metal structures such as multilayers and spin valves depend on the relative orientation of the magnetization direction of the ferromagnetic elements. Whereas the contrast in…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Arne Brataas , Gerrit E. W. Bauer , Paul J. Kelly

We demonstrate that a spin current flowing through a nano-contact into a uniaxial antiferromagnet with first- and second-order anisotropy can excite a self-localized dynamic magnetic soliton, known as a spin-wave droplet in ferromagnets.…

Mesoscale and Nanoscale Physics · Physics 2024-06-14 Roman V. Ovcharov , Mohammad Hamdi , Boris A. Ivanov , Johan Åkerman , Roman S. Khymyn

Interplay between magnetic ordering and topological electrons not only enables new topological phases but also underpins electrical control of magnetism. Here we extend the Kane-Mele model to include the exchange coupling to a collinear…

Mesoscale and Nanoscale Physics · Physics 2025-08-22 Junyu Tang , Hantao Zhang , Ran Cheng

Ferromagnets are key materials for sensing and memory applications. In contrast, antiferromagnets that represent the more common form of magnetically ordered materials, have so far found less practical application beyond their use for…

Mesoscale and Nanoscale Physics · Physics 2017-05-31 J. Železný , P. Wadley , K. Olejník. A. Hoffmann , H. Ohno