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

doi:10.1016/S0304-8853(97)00061-9

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

^*此作品的通信作者

電子物理學系

研究成果: Article › 同行評審

109 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 -l^Py_sf = 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
卷	170
發行號	1-2
DOIs	https://doi.org/10.1016/S0304-8853(97)00061-9
出版狀態	Published - 1 1月 1997

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10.1016/S0304-8853(97)00061-9

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keywords = "Giant magnetoresistance - CPP, Permalloy, Spin-diffusion length, Spin-switch, Spin-valve",

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T1 - Perpendicular-current exchange-biased spin-valve evidence for a short spin-diffusion length in permalloy

AU - Steenwyk, S. D.

AU - Hsu, Shih-Ying

AU - Loloee, R.

AU - Bass, J.

AU - Pratt, W. P.

PY - 1997/1/1

Y1 - 1997/1/1

N2 - 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.

AB - 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.

KW - Giant magnetoresistance - CPP

KW - Permalloy

KW - Spin-diffusion length

KW - Spin-switch

KW - Spin-valve

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DO - 10.1016/S0304-8853(97)00061-9

M3 - Article

AN - SCOPUS:0031165790

SN - 0304-8853

VL - 170

JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

IS - 1-2

ER -

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

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