Spin hall noise

Akashdeep Kamra, Friedrich P. Witek, Sibylle Meyer, Hans Huebl, Stephan Geprägs, Rudolf Gross, Gerrit E.W. Bauer, Sebastian T.B. Goennenwein

Research output: Contribution to journalArticlepeer-review

22 Citations (Scopus)


We measure the low-frequency thermal fluctuations of pure spin current in a platinum film deposited on yttrium iron garnet via the inverse spin Hall effect (ISHE)-mediated voltage noise as a function of the angle α between the magnetization and the transport direction. The results are consistent with the fluctuation-dissipation theorem in terms of the recently discovered spin Hall magnetoresistance (SMR). We present a microscopic description of the α dependence of the voltage noise in terms of spin-current fluctuations and ISHE.

Original languageEnglish
Article number214419
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number21
Publication statusPublished - 2014 Dec 8


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