Spin pumping and inverse spin Hall effects - Insights for future spin-orbitronics (invited)

Wei Zhang, Matthias B. Jungfleisch, Wanjun Jiang, Joseph Sklenar, Frank Y. Fradin, John E. Pearson, John B. Ketterson, Axel Hoffmann

Research output: Contribution to journalArticlepeer-review

35 Scopus citations

Abstract

Quantification of spin-charge interconversion has become increasingly important in the fast-developing field of spin-orbitronics. Pure spin current generated by spin pumping acts as a sensitive probe for many bulk and interface spin-orbit effects, which has been indispensable for the discovery of many promising new spin-orbit materials. We apply spin pumping and inverse spin Hall effect experiments, as a useful metrology, and study spin-orbit effects in a variety of metals and metal interfaces. We quantify the spin Hall effects in Ir and W using the conventional bilayer structures and discuss the self-induced voltage in a single layer of ferromagnetic permalloy. Finally, we extend our discussions to multilayer structures and quantitatively reveal the spin current flow in two consecutive normal metal layers.

Original languageEnglish (US)
Article number172610
JournalJournal of Applied Physics
Volume117
Issue number17
DOIs
StatePublished - May 7 2015

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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