Systematic study of ballistic GMR in magnetic multilayers through the 3d, 4d, and 5d transition metals

Sanvito, S. and Lambert, C. J. and Jefferson, J. H. (1999) Systematic study of ballistic GMR in magnetic multilayers through the 3d, 4d, and 5d transition metals. Journal of Magnetism and Magnetic Materials, 203 (1-3). pp. 105-107. ISSN 0304-8853

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Abstract

We present an extensive numerical study of the ballistic current perpendicular to the plane (CPP) GMR. Using an original technique to calculate the spin conductance in the ballistic regime we studied A/B superlattices attached to pure crystalline semi-infinite leads, with A either Ni or Co, and B various 3d, 4d and 5d transition metals, with an FCC structure. From this analysis the Co/Ag and Co/Cu systems possess the larger GMR ratios, and this is mainly due to (i) a large off-set between the Cu (Ag) band and the minority spin sub-band of Co, and (ii) strong interband scattering at the interfaces in the minority spin sub-band.

Item Type:
Journal Article
Journal or Publication Title:
Journal of Magnetism and Magnetic Materials
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/qc
Subjects:
ID Code:
58091
Deposited By:
Deposited On:
23 Oct 2012 09:04
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 08:07