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Spin-transfer torque in magnetic multilayer nanopillars

J. Peguiron·M. -S. Choi·C. Bruder
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Abstract

We consider a quasi one-dimensional configuration consisting of two small pieces of ferromagnetic material separated by a metallic one and contacted by two metallic leads. A spin-polarized current is injected from one lead. Our goal is to investigate the correlation induced between the magnetizations of the two ferromagnets by spin-transfer torque. This torque results from the interaction between the magnetizations and the spin polarization of the current. We discuss the dynamics of a single ferromagnet, the extension to the case of two ferromagnets, and give some estimates for the parameters based on experiments.

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J. Peguiron, M. -S. Choi, C. Bruder. 2006-10-31. Spin-transfer torque in magnetic multilayer nanopillars. https://doi.org/10.1088/1742-6596%2F61%2F1%2F181

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