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Related papers: Spin accumulation in the spin Nernst effect

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Reversible spin Hall effect comprising the "direct" and "inverse" spin Hall effects was successfully detected at room temperature. This experimental demonstration proves the fundamental relations called Onsager reciprocal relations between…

Materials Science · Physics 2015-06-25 T. Kimura , Y. Otani , T. Sato , S. Takahashi , S. Maekawa

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 describe a new means for electrically creating spin polarization in semiconductors. In contrast to spin injection of electrons by tunneling through a reverse-biased Schottky barrier, we observe spin accumulation at the…

Materials Science · Physics 2009-11-10 J. Stephens , J. Berezovsky , J. P. McGuire , L. J. Sham , A. C. Gossard , D. D. Awschalom

Central focus of spintronics is concentrated on generation of pure spin current and associated spin torque. Pure spin current can be generated by spin Hall effect in heavy metals by passing charge current. By spin Seebeck effect pure spin…

Mesoscale and Nanoscale Physics · Physics 2018-11-16 Arnab Bose , Swapnil Bhuktare , Hanuman Singh , Venu Gopal Achanta , Ashwin Tulapurkar

Magnon excitations in antiferromagnetic materials and their physical implications enable novel device concepts not available in ferromagnets, emerging as a new area of active research. A unique characteristic of antiferromagnetic magnons is…

Mesoscale and Nanoscale Physics · Physics 2022-03-14 Hantao Zhang , Ran Cheng

Using mapping between topological defects in an easy-plane magnet and electrical charges, we study interplay between vorticity and spin currents. We demonstrate that the flow of vorticity is accompanied by the transverse spin current…

Mesoscale and Nanoscale Physics · Physics 2022-12-16 Edward Schwartz , Hamed Vakili , Moaz Ali , Alexey A. Kovalev

Spin-rotation coupling, which is responsible for angular momentum conversion between the electron spin and rotational deformations of elastic media, is exploited for generating spin current. This method requires neither magnetic moments nor…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 Mamoru Matsuo , Jun'ichi Ieda , Kazuya Harii , Eiji Saitoh , Sadamichi Maekawa

We investigate theoretically the Seebeck effect in materials close to a ferromagnetic quantum critical point to explain anomalous behaviour at low temperatures. It is found that the main effect of spin fluctuations is to enhance the…

Strongly Correlated Electrons · Physics 2015-05-13 Takuya Okabe

We study the spin Hall effect taking into account the impurity scattering effect as general as possible with the focus on the definition of the spin current. The conserved bulk spin current (Shi et al. [Phys. Rev. Lett. 96, 076604 (2006)])…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Naoyuki Sugimoto , Shigeki Onoda , Shuichi Murakami , Naoto Nagaosa

We study transport in normal metals in an external magnetic field. This system exhibits an interplay between a transverse spin imbalance (spin Hall effect) caused by the spin-orbit interaction, a Hall effect via the Lorentz force, and spin…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 R. V. Shchelushkin , Arne Brataas

It is well known that a current driven through a two-dimensional electron gas with Rashba spin-orbit coupling induces a spin polarization in the perpendicular direction (Edelstein effect). This phenomenon has been extensively studied in the…

Mesoscale and Nanoscale Physics · Physics 2015-06-30 Giovanni Vignale , I. V. Tokatly

The spin phenomena observed at a clean metall-insulator interface are typically reduced to Rashba-Edelstein effect, that leads to spin accumulation over a few monolayers. We demonstrate that the presence of interface disorder significantly…

Mesoscale and Nanoscale Physics · Physics 2023-09-08 A. V. Shumilin , V. V. Kabanov

The semiclassical Boltzmann transport equation of charged, massive fermions in a rotating frame of reference, in the presence of external electromagnetic fields is solved in the relaxation time approach to establish the distribution…

Mathematical Physics · Physics 2018-03-02 O. F. Dayi , E. Yunt

We study the Nernst effect due to vortex motion in two-dimensional granular superconductors using simulations with Langevin or resistively shunted Josephson-junction dynamics. In particular, we show that the geometric frustration of both…

Superconductivity · Physics 2010-02-25 Andreas Andersson , Jack Lidmar

Using the wave nature of the electrons, we demonstrate that a transverse spin current can be generated simply by the diffraction through a single slit in the spin-orbital coupling system of the two-dimensional electron gas. The diffracted…

Mesoscale and Nanoscale Physics · Physics 2010-11-19 Chyh-Hong Chern , Cheng-Ju Lin

The spin Hall effect is a phenomenon that an electric field induces a spin Hall current. In this Letter, we examine the inverse effect that, in a ferromagnetic conductor, a charge Hall current is induced by a spin motive force, or a…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Junya Shibata , Hiroshi Kohno

Nernst effect is the transverse electric field due to a longitudinal thermal gradient in presence of magnetic field. Its magnitude was recently studied up to 33 T in a bismuth single crystal with a magnetic field oriented along the trigonal…

Strongly Correlated Electrons · Physics 2015-05-14 Kamran Behnia

We consider the influence of a spin accumulation in a normal metal on the magnetic statics and dynamics in an adjacent magnetic insulator. In particular, we focus on arbitary angles between the spin accumulation and the easy-axis of the…

Mesoscale and Nanoscale Physics · Physics 2020-07-01 Dion M. F. Hartmann , Andreas Rückriegel , Rembert A. Duine

Using a macroscopic approach, we studied theoretically the heat generation due to spin transport in a typical spin valve with nonmagnetic spacer layer of finite thickness. Our analysis shows that the spin-dependent heat generation can also…

Materials Science · Physics 2017-01-17 Xiao-Xue Zhang , Pei-Song He , Bao-He Li , Yao-Hui Zhu

Based on the spinor Boltzmann equation, we obtain a temperature dependent thermal spin-orbit torque in terms of the local equilibrium distribution function in a two dimensional ferromagnet with Dresselhaus spin-orbit coupling. We also…

Mesoscale and Nanoscale Physics · Physics 2023-11-28 Chun Yi Xue , Ya Ru Wang , Zheng Chuan Wang