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In the present work, using micromagnetic simulation, we show that the magnetic coupling effect plays a very important role in the process of creation of skyrmions in a coupled system of spin-torque nano-oscillators (STNO). First, we have…

Mesoscale and Nanoscale Physics · Physics 2018-12-13 H. Vigo-Cotrina , A. P. Guimarães

The spin Hall magnetoresistance (SMR) effect arises from spin-transfer processes across the interface between a spin Hall active metal and an insulating magnet. While the SMR response of ferrimagnetic and antiferromagnetic insulators has…

Spin Hall magnetoresistance (SMR) is an intriguing spin-dependent transport phenomenon in bilayers consisting of non-magnetic and magnetic layers. Here, we report on the influence of longitudinal spin current absorption by the magnetic…

Mesoscale and Nanoscale Physics · Physics 2025-09-10 Sosuke Hori , Kohei Ueda , Junichi Shiogai , Jobu Matsuno

We present a theory of the spin Hall magnetoresistance (SMR) in multilayers made from an insulating ferromagnet F, such as yttrium iron garnet (YIG), and a normal metal N with spin-orbit interactions, such as platinum (Pt). The SMR is…

The spin Hall effect is one of the most relevant effects in spintronics and the key to conversion from charge current into spin current. We report here a phenomenon, which appears in response to the spin Hall effect and represents the…

Applied Physics · Physics 2023-10-20 Wibson W. G. Silva , A. R. Rodrigues , José Holanda

In recent years, spin Hall magnetoresistance (SMR) has emerged as an efficient way to probe the spontaneous magnetization state in ordered magnetic systems, by electrical current. Less known is its versatility as a probe of materials that…

Materials Science · Physics 2023-07-26 V. Eswara Phanindra , A. Das , J. J. L. van Rijn , S. Chen , B. J. van Wees , T. Banerjee

Conversion of thermal energy into magnonic spin currents and/or effective electric polarization promises new device functionalities. A versatile approach is presented here for generating and controlling open circuit magnonic spin currents…

Mesoscale and Nanoscale Physics · Physics 2018-04-04 Xi-guang Wang , L. Chotorlishvili , Guang-hua Guo , J. Berakdar

Antiferromagnetic materials promise improved performance for spintronic applications, as they are robust against external magnetic field perturbations and allow for faster magnetization dynamics compared to ferromagnets. The direct…

The spin Hall magnetoresistance (SMR) phenomenon includes the fundamental physics of spin current, and originates from spin accumulation at an interface owing to the spin Hall effect. Although bilayers are the simplest structure exhibiting…

Materials Science · Physics 2019-05-29 Takumi Yamamoto , Takashi Yanase , Toshihiro Shimada , Taro Nagahama

The interplay between electronic transport and antiferromagnetic order has attracted a surge of interest as recent studies have shown that a moderate change in the spin orientation of a collinear antiferromagnet may have a significant…

The spin Hall magnetoresistance (SMR) of epitaxial BiFeO$_3$ thin films is investigated. SMR consistent with ferromagnetic interfacial states for BiFeO$_3$ films fabricated on (001) SrTiO$_3$ (R' BFO) and LaAlO$_3$ (T' BFO) substrates is…

Materials Science · Physics 2023-08-25 D. Sando , S. Chen , O. Paull , B. Xu , J. J. L. van Rijn , C. Xu , S. Xu , F. Appert , J. Juraszek , L. Bellaiche , V. Nagarajan , T. Banerjee

Spin-dependent transport at heavy metal/magnetic insulator interfaces is at the origin of many phenomena at the forefront of spintronics research. A proper quantification of the different interfacial spin conductances is crucial for many…

The interaction between spin and nanomechanical degrees of freedom attracts interest from the viewpoint of basic science and device applications. We study the magnon current induced by the torsional oscillation of ferromagnetic…

Materials Science · Physics 2020-07-22 Junji Fujimoto , Mamoru Matsuo

Magnetic skyrmions are nanoscale spin whirlpools that promise breakthroughs in future spintronic applications. Controlled generation of magnetic skyrmions by electric current is crucial for this purpose. While previous studies have…

Materials Science · Physics 2022-11-29 Xuebing Zhao , Jin Tang , Ke Pei , Weiwei Wang , Shi-Zeng Lin , Haifeng Du , Mingliang Tian , Renchao Che

A recent observation of thermal Hall effect of magnetic origin in underdoped cuprates calls for critical re-examination of low-energy magnetic dynamics in undoped antiferromagnetic compound on square lattice, where traditional, renormalized…

Strongly Correlated Electrons · Physics 2019-06-03 Jung Hoon Han , Jin-Hong Park , Patrick A. Lee

In this work, the investigation of magnetic proximity effect was extended to Ta which has been reported to have a negative spin Hall angle. Magnetoresistance and Hall measurements for in-plane and out-of-plane applied magnetic field sweeps…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 Yumeng Yang , Baolei Wu , Kui Yao , Santiranjan Shannigrahi , Baoyu Zong , Yihong Wu

In ferromagnet/normal-metal bilayers, the sensitivity of the spin Hall magnetoresistance and the spin Nernst magnetothermopower to the boundary conditions at the interface is of central importance. In general, such boundary conditions can…

Mesoscale and Nanoscale Physics · Physics 2018-03-29 Sebastian Tölle , Michael Dzierzawa , Ulrich Eckern , Cosimo Gorini

We theoretically study the optical generation of dc spin current (i.e., a spin-current solar cell) in ordered antiferromagnetic and ferrimagnetic insulators, motivated by a recent study on the laser-driven spinon spin current in…

Mesoscale and Nanoscale Physics · Physics 2019-12-16 Hiroaki Ishizuka , Masahiro Sato

We report measurements of a new type of magnetoresistance in Pt and Ta thin films. The spin accumulation created at the surfaces of the film by the spin Hall effect decreases in a magnetic field because of the Hanle effect, resulting in an…

We study the temperature dependence of the spin Hall magnetoresistance (SMR) in yttrium iron garnet/platinum hybrid structures via magnetization orientation dependent magnetoresistance measurements. Our experiments show a decrease of the…

Mesoscale and Nanoscale Physics · Physics 2015-09-10 Sibylle Meyer , Matthias Althammer , Stephan Geprägs , Matthias Opel , Rudolf Gross , Sebastian T. B. Goennenwein
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