Local Charge and Spin Currents in Magnetothermal Landscapes
Mathias Weiler,Matthias Althammer,Franz D. Czeschka,Hans Huebl,Martin Wagner,Matthias Opel,Inga-Mareen Imort,Günter Reiss,Andy Thomas,Rudolf Gross,Sebastian T. B. Goennenwein +10 more
TLDR
These findings establish local thermal spin and charge current generation as well as spin caloritronic domain imaging and detect the voltage in the Co2FeAl thin film plane as a function of the laser-spot position and external magnetic field magnitude and orientation.Abstract:
A scannable laser beam is used to generate local thermal gradients in metallic (Co2FeAl) or insulating (Y3Fe5O12) ferromagnetic thin films. We study the resulting local charge and spin currents that arise due to the anomalous Nernst effect (ANE) and the spin Seebeck effect (SSE), respectively. In the local ANE experiments, we detect the voltage in the Co2FeAl thin film plane as a function of the laser-spot position and external magnetic field magnitude and orientation. The local SSE effect is detected in a similar fashion by exploiting the inverse spin Hall effect in a Pt layer deposited on top of the Y3Fe5O12. Our findings establish local thermal spin and charge current generation as well as spin caloritronic domain imaging.read more
Citations
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Journal ArticleDOI
Spin Hall effects
TL;DR: In solid-state materials with strong relativistic spin-orbit coupling, charge currents generate transverse spin currents as discussed by the authors and the associated spin Hall and inverse spin Hall effects distinguish between charge and spin current where electron charge is a conserved quantity but its spin direction is not.
Journal ArticleDOI
Spin Caloritronics
TL;DR: A brief overview of the state of the art of spin caloritronics can be found in this article, where the authors describe the science and technology of controlling heat currents by the electron spin degree of freedom (and vice versa).
Journal ArticleDOI
Spin Hall Effects in Metals
TL;DR: In this article, the experimental characterization of spin Hall effects in metallic systems is presented, and the advantages and disadvantages of complimentary measurement techniques are discussed and in addition an outlook of the possible impact on applications is presented.
Journal ArticleDOI
Quantitative study of the spin Hall magnetoresistance in ferromagnetic insulator/normal metal hybrids
Matthias Althammer,Sibylle Meyer,Hiroyasu Nakayama,Michael Schreier,Stephan Altmannshofer,Mathias Weiler,Hans Huebl,Stephan Geprägs,Matthias Opel,Rudolf Gross,Daniel Meier,Christoph Klewe,Timo Kuschel,Jan-Michael Schmalhorst,Günter Reiss,Liming Shen,Arunava Gupta,Yan Ting Chen,Gerrit E. W. Bauer,Gerrit E. W. Bauer,Eiji Saitoh,Sebastian T. B. Goennenwein +21 more
TL;DR: In this article, the spin Hall magnetoresistance effect in ferromagnetic insulator/platinum and non-ferromagnet hybrid structures was investigated and quantitatively analyzed.
Journal ArticleDOI
Transport magnetic proximity effects in platinum.
Ssu-Yen Huang,Ssu-Yen Huang,Xin Fan,D. Qu,Y. P. Chen,Weigang Wang,Jun Wu,Tingyong Chen,John Q. Xiao,Chia-Ling Chien +9 more
TL;DR: The spin-orbit coupling interaction has been central in detecting the pure spin current and establishing most of the recent spin-based phenomena, including the inverse spin Hall and the spin Seebeck effects as mentioned in this paper.
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