DOI: 10.1063/1.365431. Variation of multilayer magnetoresistance with ferromagnetic layer sequence: Spin-memory loss effects

Variation of multilayer magnetoresistance with ferromagnetic layer sequence: Spin-memory loss effects

10.1063/1.365431

Crossref journal-article

AIP Publishing

Journal of Applied Physics (317)

Abstract

We find the magnetoresistance (MR) with current flow perpendicular to the layer planes (CPP-MR) of multilayers made of the ferromagnetic metals Co and Py (permalloy=Ni84Fe16) and the nonmagnetic metal Ag to vary with the Co and Py layer sequencing. That is, [Co/Ag/Py/Ag]N (type I) multilayers have larger MRs than [Co/Ag]N[Py/Ag]N (type II) ones, and the difference grows with the number of repeats N. We ascribe the differences to an apparent short spin-diffusion length in Py. Interestingly, similar differences appear also in the current in plane MR, probably due to finite mean-free paths in all three metals, plus interface scattering.

Authors 5

W.-C. Chiang (first)
Q. Yang (additional)
W. P. Pratt (additional)
R. Loloee (additional)
J. Bass (additional)

References 15 Referenced 34

10.1103/PhysRevB.48.7099 / Phys. Rev. B (1993)
10.1103/PhysRevB.53.6554 / Phys. Rev. B (1996)
10.1103/PhysRevB.52.6513 / Phys. Rev. B (1995)
10.1016/0304-8853(93)90147-T / J. Magn. Magn. Mater. (1993)
10.1063/1.348229 / J. Appl. Phys. (1991)
10.1103/PhysRevB.51.3226 / Phys. Rev. B (1995)
{'key': '2024020218360599000_r6'}
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10.1103/PhysRevLett.66.3060 / Phys. Rev. Lett. (1991)
{'key': '2024020218360599000_r9', 'first-page': '15', 'volume': '52', 'year': '1995', 'journal-title': 'Phys. Rev. B'} / Phys. Rev. B (1995)
{'key': '2024020218360599000_r10'}
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10.1016/0304-8853(95)00882-9 / J. Magn. Magn. Mater. (1996)
10.1016/0304-8853(95)00511-0 / J. Magn. Magn. Mater. (1995)
{'key': '2024020218360599000_r13'}

Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 9:52 a.m.)
Deposited	1 year, 6 months ago (Feb. 2, 2024, 2:44 p.m.)
Indexed	1 year, 4 months ago (April 6, 2024, 1:56 p.m.)
Issued	28 years, 4 months ago (April 15, 1997)
Published	28 years, 4 months ago (April 15, 1997)
Published Print	28 years, 4 months ago (April 15, 1997)

Funders 0

None

BibTeX

@article{Chiang_1997, title={Variation of multilayer magnetoresistance with ferromagnetic layer sequence: Spin-memory loss effects}, volume={81}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.365431}, DOI={10.1063/1.365431}, number={8}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Chiang, W.-C. and Yang, Q. and Pratt, W. P. and Loloee, R. and Bass, J.}, year={1997}, month=apr, pages={4570–4572} }

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