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Related papers: Longitudinal Spin Seebeck Effect Free from the Pro…

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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…

Materials Science · Physics 2023-03-14 Takashi Kikkawa , Eiji Saitoh

We have investigated the influence of the interface quality on the spin Seebeck effect (SSE) of the bilayer system yttrium iron garnet (YIG) - platinum (Pt). The magnitude and shape of the SSE is strongly influenced by mechanical treatment…

Materials Science · Physics 2014-12-25 Aisha Aqeel , Ivan J. Vera-Marun , Bart J. van Wees , Thomas T. M. Palstra

Interfacing an organic semiconductor C60 with a non-magnetic metallic thin film (Cu or Pt) has created a novel heterostructure that is ferromagnetic at ambient temperature, while its interface with a magnetic metal (Fe or Co) can tune the…

Applied Physics · Physics 2019-05-14 V. Kalappattil , R. Geng , R. Das , H. Luong , M. Pham , T. Nguyen , A. Popescu , L. M. Woods , M. Kläui , H. Srikanth , M. H. Phan

Noncollinear antiferromagnets have recently been attracting considerable interest partly due to recent surprising discoveries of the anomalous Hall effect (AHE) in them and partly because they have promising applications in…

Materials Science · Physics 2019-10-22 Guang-Yu Guo , Tzu-Cheng Wang

The longitudinal spin-Seebeck effect (SSE) in magnetic insulator$|$non-magnetic metal heterostructures has been theoretically studied primarily with the assumption of an isotropic interfacial exchange coupling. Here, we present a general…

Mesoscale and Nanoscale Physics · Physics 2020-01-15 Bowen Ma , Benedetta Flebus , Gregory A. Fiete

The spin diffusion length for thermally excited magnon spins is measured by utilizing a non-local spin-Seebeck effect measurement. In a bulk single crystal of yttrium iron garnet (YIG) a focused laser thermally excites magnon spins. The…

Materials Science · Physics 2015-12-15 Brandon L. Giles , Zihao Yang , John Jamison , Roberto C. Myers

The anomalous Nernst effect (ANE) - the generation of a transverse electric voltage by a longitudinal heat current in conducting ferromagnets or antiferromagnets - is an appealing approach for thermoelectric power generation in spin…

Materials Science · Physics 2020-02-17 Xiaodong Zhou , Jan-Philipp Hanke , Wanxiang Feng , Stefan Blügel , Yuriy Mokrousov , Yugui Yao

We studied the nonlocal transport behavior of both electrically and thermally excited magnons in yttrium iron garnet (YIG) as a function of its thickness. For electrically injected magnons, the nonlocal signals decrease monotonically as the…

Mesoscale and Nanoscale Physics · Physics 2016-11-30 Juan Shan , Ludo J. Cornelissen , Nynke Vlietstra , Jamal Ben Youssef , Timo Kuschel , Rembert A. Duine , Bart J. van Wees

The spin polarization of Pt in Pt/NiFe2O4 and Pt/Fe bilayers is studied by interface-sensitive x-ray resonant magnetic reflectivity to investigate static magnetic proximity effects. The asymmetry ratio of the reflectivity was measured at…

The thermodynamics of irreversible processes in continuous media predicts the existence of a Magnetic Nernst effect that results from a magnetic analog to the Seebeck effect in a ferromagnet and magnetophoresis occurring in a paramagnetic…

Mesoscale and Nanoscale Physics · Physics 2016-01-20 Sylvain D. Brechet , Jean-Philippe Ansermet

Spintronic phenomena to date have been established in magnets with collinear moments, where the spin injection through the spin Seebeck effect (SSE) is always along the out-of-plane direction. Here, we report the observation of a vector SSE…

Materials Science · Physics 2022-10-14 Jinsong Xu , Jiaming He , J. -S. Zhou , Danru Qu , Ssu-Yen Huang , C. L. Chien

The temperature and yttrium-iron-garnet (YIG) thickness dependences of the spin Peltier effect (SPE) have been investigated using a Pt/YIG junction system at temperatures ranging from room temperature to the Curie temperature of YIG by the…

Mesoscale and Nanoscale Physics · Physics 2022-10-26 Atsushi Takahagi , Takamasa Hirai , Ryo Iguchi , Keita Nakagawara , Hosei Nagano , Ken-ichi Uchida

The negative sign of the anomalous Nernst thermopower ($S_\text{ANE}$) observed in Mn-Ga ordered alloys is an attractive property for thermoelectric applications exploiting the anomalous Nernst effect (ANE); however, its origin has not been…

Materials Science · Physics 2021-04-15 Weinan Zhou , Keisuke Masuda , Yuya Sakuraba

Temperature-dependent spin-Seebeck effect data on Pt|YIG (Y$_3$Fe$_5$O$_{12}$)|GGG (Gd$_3$Ga$_5$O$_{12}$) are reported for YIG films of various thicknesses. The effect is reported as a spin-Seebeck resistivity (SSR), the inverse spin-Hall…

In ferromagnetic solids, even in absence of magnetic field, a transverse voltage can be generated by a longitudinal temperature gradient. This thermoelectric counterpart of the Anomalous Hall effect (AHE) is dubbed the Anomalous Nernst…

Materials Science · Physics 2020-04-02 Haiyang Yang , Wei You , Jialu Wang , Junwu Huang , Chuanying Xi , Chao Cao , Mingliang Tian , Zhu-An Xu , Jianhui Dai , Yuke Li

The nonlinear Nernst and Seebeck effects (NNE and NSE) offer promising routes for thermoelectric energy conversion in non-magnetic systems. While intrinsic mechanisms such as the nonlinear Drude and Berry-curvature-dipole terms are well…

Mesoscale and Nanoscale Physics · Physics 2026-01-27 Harsh Varshney , Amit Agarwal

This work demonstrates high-throughput screening of flexible magnetic materials for efficient transverse thermoelectric conversion based on the anomalous Nernst effect (ANE). The approach integrates automated annealing and contactless…

Anomalous Nernst effect (ANE), the generation of a transverse electric voltage by a longitudinal temperature gradient, has attracted increasing interests of researchers recently, due to its potential in the thermoelectric power conversion…

Materials Science · Physics 2022-01-17 Yunfeng You , Wenxuan Zhu , Hua Bai , Yongjian Zhou , Lei Han , Leilei Qiao , Tongjin Chen , Feng Pan , Cheng Song

We propose theoretically a new effect, i.e. nonlinear planar Nernst effect (NPNE), in nonmagnetic topological insulator (TI) Bi2Te3 in the presence of an in-plane magnetic field. We find that the Nernst current scales quadratically with…

Mesoscale and Nanoscale Physics · Physics 2021-02-03 Xiao-Qin Yu , Zhen-Gang Zhu , Gang Su

The anomalous Nernst effect (ANE) has been investigated in alternately-stacked multilayer films comprising paramagnetic and ferromagnetic metals. We found that the ANE is enhanced with increasing the number of the paramagnet/ferromagnet…