Enhanced thermo-spin effects in iron-oxide/metal multilayers

R. Ramos, I. Lucas, P. A. Algarabel, L. Morellón, K. Uchida, E. Saitoh, M. R. Ibarra

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


Since the discovery of the spin Seebeck effect (SSE), much attention has been devoted to the study of the interaction between heat, spin, and charge in magnetic systems. The SSE refers to the generation of a spin current upon the application of a thermal gradient and detected by means of the inverse spin Hall effect. Conversely, the spin Peltier effect (SPE) refers to the generation of a heat current as a result of a spin current induced by the spin Hall effect. Here we report a strong enhancement of both the SSE and SPE in Fe3O4/Pt multilayered thin films at room temperature as a result of an increased thermo-spin conversion efficiency in the multilayers. These results open the possibility to design thin film heterostructures that may boost the application of thermal spin currents in spintronics.

Original languageEnglish
Article number224003
JournalJournal Physics D: Applied Physics
Issue number22
Publication statusPublished - 2018 May 9


  • magnetic multilayers
  • spin currents
  • thermospin effects


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