Abstract
The spin Peltier effect (SPE), heat-current generation as a result of spin-current injection, has been investigated in alternately stacked Pt/ multilayer films. The temperature modulation induced by the SPE in the films was found to be significantly enhanced with increasing the number of Pt/ bilayers . This SPE enhancement is much greater than that expected for a simple stack of independent Pt/ bilayers. The observed dependence of the SPE can be explained by introducing spin-current redistribution in the multilayer films in the thickness direction, in a manner similar to the enhancement of the spin Seebeck effect in multilayers.
- Received 26 March 2017
- Revised 8 May 2017
DOI:https://doi.org/10.1103/PhysRevB.95.184437
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