Experimental test of the spin mixing interface conductivity concept

Mathias Weiler, Matthias Althammer, Michael Schreier, Johannes Lotze, Matthias Pernpeintner, Sibylle Meyer, Hans Huebl, Rudolf Gross, Akashdeep Kamra, Jiang Xiao, Yan Ting Chen, Hujun Jiao, Gerrit E.W. Bauer, Sebastian T.B. Goennenwein

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191 Citations (Scopus)

Abstract

We perform a quantitative, comparative study of the spin pumping, spin Seebeck, and spin Hall magnetoresistance effects, all detected via the inverse spin Hall effect in a series of over 20 yttrium  ⠀Širon garnet/Pt samples. Our experimental results fully support present, exclusively spin current-based, theoretical models using a single set of plausible parameters for spin mixing conductance, spin Hall angle, and spin diffusion length. Our findings establish the purely spintronic nature of the aforementioned effects and provide a quantitative description, in particular, of the spin Seebeck effect.

Original languageEnglish
Article number176601
JournalPhysical review letters
Volume111
Issue number17
DOIs
Publication statusPublished - 2013 Oct 23

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Weiler, M., Althammer, M., Schreier, M., Lotze, J., Pernpeintner, M., Meyer, S., Huebl, H., Gross, R., Kamra, A., Xiao, J., Chen, Y. T., Jiao, H., Bauer, G. E. W., & Goennenwein, S. T. B. (2013). Experimental test of the spin mixing interface conductivity concept. Physical review letters, 111(17), [176601]. https://doi.org/10.1103/PhysRevLett.111.176601