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Absence of magnetic proximity effects in magnetoresistive Pt/CoFe2O4 hybrid interfaces

Absence of magnetic proximity effects in magnetoresistive Pt/CoFe2O4 hybrid interfaces

Scientific Highlights Materials for information science and electronics 28 June 2016 4544 hits jags

M. Valvidares, N. Dix, M. Isasa, K. Ollefs, F. Wilhelm, A. Rogalev, F. Sánchez, E. Pellegrin, A. Bedoya-Pinto, P. Gargiani, L. E. Hueso, F. Casanova, and J. Fontcuberta. Phys. Rev. B 93, 214415. DOI: Phys Rev B.93.214415

• Pure spin currents and spin accumulation and consequently  magnetism, can be induced in non magnetic materials just by a flow on a non spin-polarized charge  current (Spin Hall effect). However, magnetism in some non-magnetic materials can also been induced by proximity effect by neighboring magnetic layers.
• Here we show that in Pt/CoFe2O4 hybrid systems, spin currents are generated in absence of any proximity-induced magnetic moments in Platinum.

Related Topics: Materials for information science and electronics

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