Perpendicular-current exchange-biased spin-valve evidence for a short spin-diffusion length in permalloy

S. D. Steenwyk, Shih-Ying Hsu, R. Loloee, J. Bass*, W. P. Pratt

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103 引文 斯高帕斯(Scopus)

摘要

We present the first measurements of giant magnetoresistance with current perpendicular to the layer planes (CPP-MR) of an exchange-biased spin-valve (EBSV) - a controllable spin-switch. Interpreted with the theory of Valet and Fert, data on EBSVs of permalloy (Py) with Cu yield an unexpectedly short spin-diffusion length in Py -lPysf = 5.5 ± 1 nm. Such a short length has implications for the interpretation of Johnson's data on a Py/Au/Py spin-switch.

原文English
期刊Journal of Magnetism and Magnetic Materials
170
發行號1-2
DOIs
出版狀態Published - 1 一月 1997

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