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The spin Seebeck effect (SSE) is observed in magnetic insulator|heavy metal bilayers as an inverse spin Hall effect voltage under a temperature gradient. The SSE can be detected nonlocally as well, viz. in terms of the voltage in a second…

Mesoscale and Nanoscale Physics · Physics 2017-10-04 L. J. Cornelissen , K. Oyanagi , T. Kikkawa , Z. Qiu , T. Kuschel , G. E. W. Bauer , B. J. van Wees , E. Saitoh

We study the spin-Seebeck effect in a strongly interacting, two-component Fermi gas and propose an experiment to measure this effect by relatively displacing spin up and spin down atomic clouds in a trap using spin-dependent temperature…

Quantum Gases · Physics 2012-08-10 C. H. Wong , H. T. C. Stoof , R. A. Duine

Thin film YIG (Y$_3$Fe$_5$O$_{12}$) is a prototypical material for experiments on thermally generated pure spin currents and the spin Seebeck effect. The 3-omega method is an established technique to measure the cross-plane thermal…

Materials Science · Physics 2015-09-09 C. Euler , P. Hołuj , T. Langner , A. Kehlberger , V. I. Vasyuchka , M. Kläui , G. Jakob

We evaluated the thermoelectric properties of longitudinal spin Seebeck devices by using ten different transition metals (TMs). Both the intensity and sign of spin Seebeck coefficients were noticeably dependent on the degree of the inverse…

Materials Science · Physics 2014-08-14 M. Ishida , A. Kirihara , H. Someya , K. Uchida , S. Kohmoto , E. Saitoh , T. Murakami

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…

Materials Science · Physics 2019-05-14 Junxue Li , Zhong Shi , Victor H. Ortiz , Mohammed Aldosary , Cliff Chen , Vivek Aji , Peng Wei , Jing Shi

A micro-patterned spin Seebeck device is fabricated using an on-chip heater. Current is driven through a Au heater layer electrically isolated from a bilayer consisting of Fe$_3$O$_4$ (insulating ferrimagnet) and a spin detector layer. It…

Mesoscale and Nanoscale Physics · Physics 2015-06-23 Stephen M. Wu , Frank Y. Fradin , Jason Hoffman , Axel Hoffmann , Anand Bhattacharya

In this work, we experimentally investigate the propagation of pulsed magnetostatic surface spin-wave (magnon) signals in an yttrium iron garnet (YIG) waveguide at millikelvin temperatures. Our measurements are performed in a dilution…

Mesoscale and Nanoscale Physics · Physics 2019-04-08 A. F. van Loo , R. G. E. Morris , A. D. Karenowska

Spin current injection from sputtered yttrium iron garnet (YIG) films into an adjacent platinum layer has been investigated by means of the spin pumping and the spin Seebeck effects. Films with a thickness of 83 and 96 nanometers were…

Mesoscale and Nanoscale Physics · Physics 2014-10-23 J. Lustikova , Y. Shiomi , Z. Qiu , T. Kikkawa , R. Iguchi , K. Uchida , E. Saitoh

The magnetic insulator yttrium iron garnet (YIG) with a ferrimagnetic transition temperature of $\sim$560 K has been widely used in microwave and spintronic devices. Anomalous features in the spin Seeback effect (SSE) voltages have been…

Strongly Correlated Electrons · Physics 2017-10-04 Haoran Man , Zhong Shi , Guangyong Xu , Yadong Xu , Xi Chen , Sean Sullivan , Jianshi Zhou , Ke Xia , Jing Shi , Pengcheng Dai

The irreversible thermodynamics of a continuous medium with magnetic dipoles predicts that a temperature gradient in the presence of magnetisation waves induces a magnetic induction field, which is the magnetic analog of the Seebeck effect.…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 Sylvain D. Brechet , Francesco A. Vetro , Elisa Papa , Stewart E. Barnes , Jean-Philippe Ansermet

Searching for novel spin caloric effects in antiferromagnets we study the properties of thermally activated magnons in the presence of an external spin current and temperature gradient. We predict the spin Peltier effect -- generation of a…

Mesoscale and Nanoscale Physics · Physics 2018-07-04 Olena Gomonay , Kei Yamamoto , Jairo Sinova

The interplay between charge, spin, and heat currents in magnetic nano systems subjected to a temperature gradient has lead to a variety of novel effects and promising applications studied in the fast-growing field of spincaloritronics.…

Mesoscale and Nanoscale Physics · Physics 2015-10-07 Patryk Krzysteczko , Xiukun Hu , Niklas Liebing , Sibylle Sievers , Hans W. Schumacher

How magnetism affects the Seebeck effect is an important issue widely concerned in the thermoelectric community yet remaining elusive. Based on a thermodynamic analysis of spin degrees of freedom on varied $d$-electron based ferro- and…

Materials Science · Physics 2021-06-15 Peijie Sun , K. Ramesh Kumar , Meng Lyu , Zhen Wang , Junsen Xiang , Wenqing Zhang

Magnetic monopoles, elusive in high-energy physics, have been realised as emergent quasiparticles in solid-state systems, where their unique properties hold promise for novel spintronic applications. Magnetic monopoles have been invoked in…

This paper presents the frequency dependence of the spin current emission in a hybrid ferrimagnetic insulator/normal metal system. The system is based on a ferrimagnetic insulating thin film of Yttrium Iron Garnet (YIG, 200 nm) grown by…

Materials Science · Physics 2015-06-05 Vincent Castel , Jamal Ben Youssef , Nynke Vlietstra , Bart van Wees

In the framework of the kinetic approach based on the Boltzmann equation for the phonon distribution function, we analyze phonon heat transfer in a heterostructure containing a layer of a normal metal ($ N $) and a layer of a ferromagnetic…

Materials Science · Physics 2019-07-17 A. I. Bezuglyj , V. A. Shklovskij , V. V. Kruglyak , R. V. Vovk

Atomically-thin van der Waals magnetic materials offer exceptional opportunities to mechanically and electrically manipulate magnetic states and spin textures. The possibility of efficient spin transport in these materials makes them…

Materials Science · Physics 2024-05-17 Verena Brehm , Stefan Stagraczynski , Jozef Barnas , Anna Dyrdal , Alireza Qaiumzadeh

The longitudinal spin-Seebeck effect (LSSE) has been investigated for Pt/yttrium iron garnet (YIG) bilayer systems. The magnitude of the voltage induced by the LSSE is found to be sensitive to the Pt/YIG interface condition. We observed…

Materials Science · Physics 2016-08-04 Z. Qiu , D. Hou , K. Uchida , E. Saitoh

Considering screeening of electron scattering interactions in terms of the finite-temperature STLS theory and solving the linearized Boltzmann equation (with no appeal to a relaxation time approximation), we present a theoretical analysis…

Materials Science · Physics 2011-06-08 S. Y. Liu , X. L. Lei , Norman J. M. Horing

We report unconventional thermoelectric power (Seebeck coefficient, S) in L10 structured FePt films. The temperature dependence of S can be well fitted by a phenomenological expression consisting of electron diffusion and magnon-drag…