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Related papers: Non-local spin Seebeck effect in the bulk easy-pla…

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We investigate the antiferromagnetic spin Seebeck effect across the spin-flop transition in a numerical simulation based on the time-dependent Ginzburg-Landau equation for a bilayer of a uniaxial insulating antiferromagnet and an adjacent…

Mesoscale and Nanoscale Physics · Physics 2022-03-23 Yutaka Yamamoto , Masanori Ichioka , Hiroto Adachi

We present a theory of the non-linearities of the spin Seebeck effect (SSE) in a ferromagnetic nanowire at cryogenic temperatures. We adopt a microscopic quantum noise model based on a collection of two-level systems. At certain positions…

Mesoscale and Nanoscale Physics · Physics 2021-03-03 Mehrdad Elyasi , Gerrit E. W. Bauer

The nonlocal transport of thermally generated magnons not only unveils the underlying mechanism of the spin Seebeck effect, but also allows for the extraction of the magnon relaxation length ($\lambda_m$) in a magnetic material, the average…

Materials Science · Physics 2017-11-29 J. Shan , L. J. Cornelissen , J. Liu , J. Ben Youssef , L. Liang , B. J. van Wees

Thermoelectric modules are a promising approach to energy harvesting and efficient cooling. In addition to the longitudinal Seebeck effect, recently transverse devices utilizing the anomalous Nernst effect (ANE) have attracted interest. For…

We present a theory of the spin Seebeck effect driven by subthermal non-local phonon heat transfer and spectral non-uniform temperature distribution. The theory explains the non-local behavior of the effect arising from the fact that…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 K. S. Tikhonov , J. Sinova , A. M. Finkel'stein

We report the observation of longitudinal spin Seebeck effects (LSSE) in an all-oxide bilayer system comprising an IrO$_2$ film and an Y$_3$Fe$_5$O$_{12}$ film. Spin currents generated by a temperature gradient across the…

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

Understanding the transfer of spin angular momentum is essential in modern magnetism research. A model case is the generation of magnons in magnetic insulators by heating an adjacent metal film. Here, we reveal the initial steps of this…

We studied the transient behavior of the spin current generated by the longitudinal spin Seebeck effect (LSSE) in a set of platinum-coated yttrium iron garnet (YIG) films of different thicknesses. The LSSE was induced by means of pulsed…

As electrical control of N\'eel order opens the door to reliable antiferromagnetic spintronic devices, understanding the microscopic mechanisms of antiferromagnetic switching is crucial. Spatially-resolved studies are necessary to…

Electron-magnon coupling at the interface between a normal metal and a magnetically ordered insulator modifies the electrical conductivity of the normal metal, an effect known as spin-Hall magnetoresistance. It can also facilitate…

Mesoscale and Nanoscale Physics · Physics 2026-01-21 Oliver Franke , Duje Akrap , Piet W. Brouwer

We have developed a vectorial type of measurement for the spin Seebeck effect (SSE) in epitaxial NiFe$_2$O$_4$ thin films which have been grown by pulsed laser deposition on MgGa$_2$O$_4$ (MGO) with (001) and (011) orientation as well as…

We present the theory of the longitudinal spin Seebeck effect between a Heisenberg spin-1/2 chain and a conductor. The effect consists of the generation of a spin current across the spin chain-conductor interface in response to the…

Strongly Correlated Electrons · Physics 2025-08-12 Ren-Bo Wang , Naveen Nishad , Anna Keselman , Leon Balents , Oleg A. Starykh

We consider a spin-orbit-coupled two-dimensional electron system under the influence of a thermal gradient externally applied to two attached reservoirs. We discuss the generated voltage bias (charge Seebeck effect), spin bias (spin Seebeck…

Mesoscale and Nanoscale Physics · Physics 2015-03-05 M. I. Alomar , Llorenç Serra , David Sanchez

Magnon based spintronic devices require the modulation of magnon spin transport for their operations. We provide a proof-of-principle of an unconventional two-terminal non-local magnon transport device where the same contact is…

Mesoscale and Nanoscale Physics · Physics 2024-12-02 Dennis K. de Wal , Raul Luna Mena , Muhammad Zohaib , Bart J. van Wees

We report on spin Hall magnetoresistance (SMR) measurements of Pt Hall bars on the antiferromagnetic NiO(111) single crystal. An SMR with a sign opposite of conventional SMR is observed over a wide range of temperatures as well as magnetic…

Mesoscale and Nanoscale Physics · Physics 2017-08-08 Geert R. Hoogeboom , Aisha Aqeel , Timo Kuschel , Thomas T. M. Palstra , Bart J. van Wees

We investigate the spin-dependent thermoelectric effects in magnetic graphene in both diffusive and ballistic regimes. Employing the Boltzmann and Landauer formalisms we calculate the spin and charge Seebeck coefficients (thermopower) in…

Mesoscale and Nanoscale Physics · Physics 2015-04-10 Babak Zare Rameshti , Ali G. Moghaddam

In this paper we investigate the spin-resolved thermoelectric properties of strongly correlated molecular junctions in the linear response regime. The magnetic molecule is modeled by a single orbital level to which the molecular core spin…

Mesoscale and Nanoscale Physics · Physics 2021-05-25 Anand Manaparambil , Ireneusz Weymann

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…

The longitudinal spin Seebeck effect is measured on the ferromagnetic insulator Fe$_3$O$_4$ with the ferromagnetic metal Co$_{0.2}$Fe$_{0.6}$B$_{0.2}$ (CoFeB) as the spin detector. By using a non-magnetic spacer material between the two…

Mesoscale and Nanoscale Physics · Physics 2014-09-09 Stephen M. Wu , Jason Hoffman , John E. Pearson , Anand Bhattacharya

The quantum excitations of the collective magnetization dynamics in a ferromagnet (F) - magnons - enable spin transport without an associated charge current. This pure spin current can be transferred to electrons in an adjacent non-magnetic…

Mesoscale and Nanoscale Physics · Physics 2016-07-20 Akashdeep Kamra , Wolfgang Belzig