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Magnetization switching in a fine-structured ferromagnet of nanoscale by the spin-transfer torque excited via the spin Hall effect has attracted much attention because it enables us to manipulate the magnetization without directly applying…

Mesoscale and Nanoscale Physics · Physics 2020-10-02 Tomohiro Taniguchi

Magnetic heterostructures that combine large spin-orbit torque efficiency, perpendicular magnetic anisotropy, and low resistivity are key to develop electrically-controlled memory and logic devices. Here we report on vector measurements of…

Materials Science · Physics 2017-01-10 Abhijit Ghosh , Kevin Garello , Can Onur Avci , Mihai Gabureac , Pietro Gambardella

Rare earth/transition metal (RE/TM) multilayers with perpendicular magnetic anisotropy are key ingredients for the development of spintronic applications. Their compensation temperature depends on the ratio of the thicknesses of rare earth…

Pressure-induced changes in the magnetic and superconducting properties of a spin-triplet superconductor candidate UTe2 have attracted considerable interest, underscoring the need for microscopic theoretical insight. In this paper, we…

Strongly Correlated Electrons · Physics 2025-10-20 Makoto Shimizu , Youichi Yanase

In magnetic systems with dominating easy-plane anisotropy the magnetization can be described by an effective one dimensional equation for the in-plane angle. Re-deriving this equation in the presence of spin-transfer torques, we obtain a…

Materials Science · Physics 2009-06-24 Ya. B. Bazaliy

We investigate the spin transport across the magnetic phase diagram of a frustrated antiferromagnetic insulator and uncover a drastic modification of the transport regime from spin diffusion to spin superfluidity. Adopting a triangular…

Mesoscale and Nanoscale Physics · Physics 2021-03-31 V. M. L. D. P. Goli , Aurelien Manchon

Perpendicular MgO-based Magnetic Tunnel Junctions are optimal candidates as building block of Spin Transfer Torque (STT) magnetoresistive memories. However, up to now, the only STT is not enough to achieve switching current density below…

Materials Science · Physics 2015-03-13 M. Carpentieri , R. Tomasello , M. Ricci , P. Burrascano , G. Finocchio

Spin orbit torque (SOT) provides an efficient way of generating spin current that promises to significantly reduce the current required for switching nanomagnets. However, an in-plane current generated SOT cannot deterministically switch a…

The antiferromagnetic Heisenberg model with easy-axis exchange anisotropy on the Kagome lattice is studied by means of Monte Carlo simulations. From equilibrium properties, we find that the values of the critical exponents associated with…

Statistical Mechanics · Physics 2009-11-07 S. Bekhechi , B. W. Southern

Due to the wide range of applications, theoretical models of Fe3O4 films are found to be important. Ultra thin Fe3O4 films with ferrite structure have been theoretically investigated using second order perturbed modified Heisenberg…

Materials Science · Physics 2019-02-26 P. Samarasekara

On the basis of a first-principles, relativistic electronic structure theory of finite temperature metallic magnetism, we investigate the variation of magnetic anisotropy, K, with magnetisation, M, in metallic ferromagnets. We apply the…

Materials Science · Physics 2009-11-10 J. B. Staunton , S. Ostanin , S. S. A. Razee , B. L. Gyorffy , L. Szunyogh , B. Ginatempo , Ezio Bruno

Spin-orbit torques (SOTs) have been widely understood as an interfacial transfer of spin that is independent of the bulk properties of the magnetic layer. Here, we report that SOTs acting on ferrimagnetic FexTb1-x layers decrease and vanish…

Materials Science · Physics 2023-04-04 Lijun Zhu , Daniel C Ralph

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 investigate the thermodynamic, magnetic, and electrical transport properties of a triangular-lattice antiferromagnet EuZnGe using single crystals grown from Eu-Zn flux in sealed tantalum tubes. Magnetic properties are found to be…

Strongly Correlated Electrons · Physics 2022-09-23 Takashi Kurumaji , Masaki Gen , Shunsuke Kitou , Hajime Sagayama , Akihiko Ikeda , Taka-hisa Arima

It has been demonstrated that the switching of perpendicular magnetization can be achieved with spin orbit torque (SOT) at an ultrafast speed and low energy consumption. However, to make the switching deterministic, an undesirable magnetic…

Applied Physics · Physics 2019-07-24 Zhaohao Wang , Zuwei Li , Min Wang , Bi Wu , Daoqian Zhu , Weisheng Zhao

The multiferroic ferroborate GdFe$_3$(BO$_3$)$_4$ with huntite-type structure exhibits magnetic ordering below T$_N$ = 38 K and contains two magnetic subsystems associated with Gd and Fe ions. Competing anisotropies of these subsystems…

Strongly Correlated Electrons · Physics 2025-12-16 I. N. Khoroshiy , S. A. Skorobogatov , S. E. Nikitin , I. A. Gudim , V. R. Titova , A. I. Pankrats

Moir\'e materials provide a highly tunable platform in which novel electronic phenomena can emerge. We study strained moir\'e materials in a uniform magnetic field and predict highly anisotropic electrical conductivity which switches…

Mesoscale and Nanoscale Physics · Physics 2024-06-21 Nisarga Paul , Philip J. D. Crowley , Liang Fu

Single crystals of $\alpha$-MnTe were synthesized by chemical vapor transport using iodine as the transport reagent. Structural characterization by powder x-ray diffraction confirmed the hexagonal structure (space group P6$_{3}$/mmc).…

Nanoscale superlattices with uniaxial ferromagnetic layers antiferromagnetically coupled through non-magnetic spacers are recently used as components of magnetoresistive and recording devices. In the last years intensive experimental…

Materials Science · Physics 2015-06-24 U. K. Roessler , A. N. Bogdanov

Transition metal dichalcogenides (TMDs) are promising materials for efficient generation of current-induced spin-orbit torques on an adjacent ferromagnetic layer. Numerous effects, both interfacial and bulk, have been put forward to explain…

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