Observation of the spin Seebeck effect in epitaxial Fe3O 4 thin films

R. Ramos, T. Kikkawa, K. Uchida, H. Adachi, I. Lucas, M. H. Aguirre, P. Algarabel, L. Morellón, S. Maekawa, E. Saitoh, M. R. Ibarra

研究成果: Article

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We report the experimental observation of the spin Seebeck effect in magnetite thin films. The signal observed at temperatures above the Verwey transition is a contribution from both the anomalous Nernst (ANE) and spin Seebeck (SSE) effects. The contribution from the ANE of the Fe3O 4 layer to the SSE is found to be negligible due to the resistivity difference between Fe3O4 and Pt layers. Below the Verwey transition, the SSE is free from the ANE of the ferromagnetic layer and it is also found to dominate over the ANE due to magnetic proximity effect on the Pt layer.

元の言語English
記事番号072413
ジャーナルApplied Physics Letters
102
発行部数7
DOI
出版物ステータスPublished - 2013 2 18

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Ramos, R., Kikkawa, T., Uchida, K., Adachi, H., Lucas, I., Aguirre, M. H., Algarabel, P., Morellón, L., Maekawa, S., Saitoh, E., & Ibarra, M. R. (2013). Observation of the spin Seebeck effect in epitaxial Fe3O 4 thin films. Applied Physics Letters, 102(7), [072413]. https://doi.org/10.1063/1.4793486