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Institut f. Physik
FG Nanostrukturierte Materialien
Martin-Luther-Universitat
Halle-Wittenberg
Von-Danckelmann-Platz 3,
D-06120 Halle, Germany

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Abstract

Wahler, Martin; Homonnay, Nico; Richter, Tim; Müller, Alexander; Eisenschmidt, Christian; Fuhrmann, Bodo; Schmidt, Georg
Inverse spin Hall effect in a complex ferromagnetic oxide heterostructure
Scientific Reports 6 (2017-04-14 13:17:13), 28727
DOI: doi:10.1038/srep28727


We present spin pumping and inverse spin Hall effect (ISHE) in an epitaxial complex oxide heterostructure. Ferromagnetic La0.7Sr0.3MnO3 (LSMO) is used as a source of spin pumping while the spin sink exhibiting the ISHE consists of SrRuO3 (SRO). SRO is a ferromagnetic oxide with metallic conductivity, however, with a Curie temperature (TC) of 155?K, thus well below room temperature. This choice allows to perform the experiment above and below TC of the SRO and to demonstrate that SRO not only shows an ISHE of a magnitude comparable to Pt (though with opposite sign) in its non magnetic state but also exhibits a finite ISHE even 50?K below TC.

https://www.nature.com/articles/srep28727
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