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The spin Seebeck effect is useful for probing the spin correlations and magnetic order in magnetic insulators. Here, we report a strong longitudinal spin Seebeck effect (LSSE) in antiferromagnetic V2O3 thin films. The LSSE response at…

介观与纳米尺度物理 · 物理学 2026-01-06 Renjie Luo , Tanner J. Legvold , Gage Eichman , Henry Navarro , Ali C. Basaran , Erbin Qiu , Ivan K. Schuller , Douglas Natelson

We report the observation of magnon spin currents generated by the Spin Seebeck effect (SSE) in a bulk single crystal of the easy-plane antiferromagnet NiO. A magnetic field induces a non-degeneracy and thereby an imbalance in the…

介观与纳米尺度物理 · 物理学 2021-01-04 Geert R. Hoogeboom , Bart J. van Wees

One of the most important discoveries in spintronics is the spin Seebeck effect (SSE) recently observed in both insulating and (semi-)conducting magnets. However, the very existence of the effect in transverse configuration is still a…

介观与纳米尺度物理 · 物理学 2018-10-17 C. Wang , Yunshan Cao , X. R. Wang , Peng Yan

Sharp structures in magnetic field-dependent spin Seebeck effect (SSE) voltages of Pt/Y$_{3}$Fe$_{5}$O$_{12}$ (YIG) at low temperatures are attributed to the magnon-phonon interaction. Experimental results are well reproduced by a Boltzmann…

We develop a low-temperature, long-wavelength theory for the interfacial spin Seebeck effect (SSE) in easy-axis antiferromagnets. The field-induced spin-flop (SF) transition of N\'eel order is associated with a qualitative change in SSE…

介观与纳米尺度物理 · 物理学 2020-07-29 Derek Reitz , Junxue Li , Wei Yuan , Jing Shi , Yaroslav Tserkovnyak

The spin Seebeck effect (SSE) refers to the generation of a spin current as a result of a temperature gradient in a magnetic material, which can be detected electrically via the inverse spin Hall effect in a metallic contact. Since the…

材料科学 · 物理学 2023-03-14 Takashi Kikkawa , Eiji Saitoh

Spin Seebeck effect (SSE) refers to the creation of spin currents due to a temperature gradient in the magnetic materials or across magnet-normal metal interfaces, which can be electrically detected through the inverse spin Hall effect…

The longitudinal spin Seebeck effect (LSSE) in Pt/Y$_3$Fe$_5$O$_{12}$ (YIG) junction systems has been investigated at various magnetic fields and temperatures. We found that the LSSE voltage in a Pt/YIG-slab system is suppressed by applying…

材料科学 · 物理学 2015-08-19 Takashi Kikkawa , Ken-ichi Uchida , Shunsuke Daimon , Zhiyong Qiu , Yuki Shiomi , Eiji Saitoh

The spin Seebeck effect is a spin-motive force generated by a temperature gradient in a ferromagnet that can be detected via normal metal contacts through the inverse spin Hall effect [K. Uchida {\it et al.}, Nature {\bf 455}, 778-781…

材料科学 · 物理学 2010-09-07 Jiang Xiao , Gerrit E. W. Bauer , Ken-ichi Uchida , Eiji Saitoh , Sadamichi Maekawa

The interaction between the itinerant spins in metals and localized spins in magnetic insulators thus far has only been explored in collinear spin systems, such as garnets. Here, we report the spin-Hall magnetoresistance (SMR) sensitive to…

材料科学 · 物理学 2016-10-17 A. Aqeel , N. Vlietstra , A. Roy , M. Mostovoy , B. J. van Wees , T. T. M. Palstra

The spin Seebeck effect (SSE) signal of magnon polarons in bulk-Y3Fe5O12 (YIG)/Pt heterostructures is found to drastically change as a function of temperature. It appears as a dip in the total SSE signal at low temperatures, but as the…

材料科学 · 物理学 2022-01-12 Zhong Shi , Qing Xi , Junxue Li , Yufei Li , Mohammed Aldosary , Yadong Xu , Jun Zhou , Shi-Ming Zhou , Jing Shi

We investigate the spin Seebeck effect and spin pumping in a junction between a ferromagnetic insulator and a magnetic impurity deposited on a normal metal. By the numerical renormalization group calculation, we show that spin current is…

介观与纳米尺度物理 · 物理学 2021-09-15 Tsuyoshi Yamamoto , Takeo Kato , Mamoru Matsuo

We develop a theory of the spin Seebeck effect (SSE) in paramagnets as well as in antiferromagnets at elevated temperatures where the classical limit of the fluctuation-dissipation theorem is applicable. Employing dissipative stochastic…

介观与纳米尺度物理 · 物理学 2019-08-27 Yutaka Yamamoto , Masanori Ichioka , Hiroto Adachi

We report on the spin-Hall magnetoresistance (SMR) and spin Seebeck effect (SSE) in multiferroic CoCr2O4 (CCO) spinel thin films with Pt contacts. We observe a large enhancement of both signals below the spin-spiral (Ts = 28 K) and the spin…

We investigate Seebeck effect in REFeAsO (RE=rare earth)compounds as a function of temperature and magnetic field up to 30T. The Seebeck curves are characterized by a broad negative bump around 50K, which is sample dependent and strongly…

Resonant enhancement of spin Seebeck effect (SSE) due to phonons was recently discovered in Y3Fe5O12 (YIG). This effect is explained by hybridization between the magnon and phonon dispersions. However, this effect was observed at low…

We report a longitudinal spin Seebeck effect (SSE) study in epitaxially grown FeF2(110) antiferromagnetic (AFM) thin films with strong uniaxial anisotropy over the temperature range of 3.8 - 250 K. Both the magnetic field- and…

材料科学 · 物理学 2019-05-14 Junxue Li , Zhong Shi , Victor H. Ortiz , Mohammed Aldosary , Cliff Chen , Vivek Aji , Peng Wei , Jing Shi

Spin Seebeck effect (SSE), the generation of spin current from heat, has been extensively studied in a large variety of magnetic materials, including ferromagnets, antiferromagnets, paramagnets, and quantum spin liquids. In this paper, we…

We propose a new type of the spin Seebeck effect (SSE) emerging from the Rashba spin-orbit coupling in asymmetric four-terminal electron systems. This system generates spin currents or spin voltages along the longitudinal direction parallel…

介观与纳米尺度物理 · 物理学 2016-02-11 Jun Zhou , Biao Wang , Mengjie Li , Tsuneyoshi Nakayama , Baowen Li

The spin Seebeck effect (SSE) in ferrimagnetic insulators (FMI) provides a simple method of using heat to manipulate magnons, which could be used as carriers of information and energy conversion. However, a theory that can quantitively…

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