Spin transfer torque on magnetic insulators

Xingtao Jia, Kai Liu, Ke Xia, Gerrit E.W. Bauer

Research output: Contribution to journalArticlepeer-review

185 Citations (Scopus)


Recent experimental and theoretical studies focus on spin-mediated heat currents at interfaces between normal metals and magnetic insulators. We resolve conflicting estimates for the order of magnitude of the spin transfer torque by first-principles calculations. The spin mixing conductance G ↑↓ of the interface between silver and the insulating ferrimagnet Yttrium Iron Garnet (YIG) is dominated by its real part and of the order of 1014 Ω-1 m-2, i.e. close to the value for intermetallic interface, which can be explained by a local spin model.

Original languageEnglish
Article number17005
JournalEurophysics Letters
Issue number1
Publication statusPublished - 2011 Oct


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