Magnetotransport properties of CoFeB and Co∕Ru interfaces in the current-perpendicular-to-plane geometry

Magnetotransport properties of CoFeB and Co∕Ru interfaces in the current-perpendicular-to-plane geometry

We have investigated magnetotransport properties of CoFeB and Co∕Ru interfaces by measuring the magnetoresistances of sputtered CoFeB-based exchange-biased spin valves and Co∕Ru multilayers on the first antiferromagnetic coupling peak at 4.2K in the current-perpendicular-to-plane geometry. The spin...

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Veröffentlicht in:Applied physics letters 2008-03, Vol.92 (10)
Hauptverfasser: Ahn, Chiyui, Shin, Kyung-Ho, Pratt, William P.
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Shin, Kyung-Ho
Pratt, William P.
description We have investigated magnetotransport properties of CoFeB and Co∕Ru interfaces by measuring the magnetoresistances of sputtered CoFeB-based exchange-biased spin valves and Co∕Ru multilayers on the first antiferromagnetic coupling peak at 4.2K in the current-perpendicular-to-plane geometry. The spin diffusion length lsf and the spin-scattering asymmetry β of Co40Fe40B20 and Co56Fe24B20 are estimated, and the interface specific resistance 2AR* and the interfacial spin-scattering anisotropy γ of Co∕Ru interfaces are constrained.
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source American Institute of Physics (AIP) Journals; AIP Digital Archive; Alma/SFX Local Collection
title Magnetotransport properties of CoFeB and Co∕Ru interfaces in the current-perpendicular-to-plane geometry
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