Joule heating-induced coexisted spin Seebeck effect and spin Hall magnetoresistance in the platinum/Y3Fe5O12 structure

W. X. Wang, S. H. Wang, L. K. Zou, J. W. Cai, Z. G. Sun, J. R. Sun

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19 Scopus citations

Abstract

Spin Seebeck effect (SSE) and spin Hall magnetoresistance (SMR) are observed simultaneously in the Pt/Y3Fe5O12 hybrid structure when thermal gradient is produced by Joule heating. According to their dependences on applied current, these two effects can be separated. Their dependence on heating power and magnetic field is systematically studied. With the increase of heating power, the SSE enhances linearly, whereas the SMR decreases slowly. The origin of the spin currents is further analyzed. The heating power dependences of the spin currents associated with the SSE and the SMR are found to be different.

Original languageEnglish
Article number182403
JournalApplied Physics Letters
Volume105
Issue number18
DOIs
StatePublished - 3 Nov 2014
Externally publishedYes

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