Giant magnetoresistance without defect scattering

Kees M. Schep, Paul J. Kelly, Gerrit E.W. Bauer

研究成果: Article査読

152 被引用数 (Scopus)

抄録

The ballistic transport properties of magnetic metallic multilayers are studied using calculations based on the local-spin-density approximation in which the s electrons and the d electrons, usually held responsible for conduction and magnetism, respectively, are treated on an equal footing. A giant magnetoresistance of up to 120% is calculated for point contacts of Co/Cu multilayers. The effect can be explained as a slowing down of the s electrons by hybridization with d electrons which are strongly reflected and partially localized by the spin-dependent interface potentials. The method should be a useful instrument in a systematic search for new materials for magnetoresistive applications.

本文言語English
ページ(範囲)586-589
ページ数4
ジャーナルPhysical review letters
74
4
DOI
出版ステータスPublished - 1995
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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