Giant magnetoresistance effect of [bcc-Fe(M)/Cu] (M=Co,Ni) multilayers

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J Mater Sci Technol ›› 2000, Vol. 16 ›› Issue (02): 186-190.

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Giant magnetoresistance effect of [bcc-Fe(M)/Cu] (M=Co,Ni) multilayers

M.Matsui, M.Doi, N.Shimizu

Department of Crystalline Materials Science and Engineering, Nagoya University, Chikusa-ku, Nagoya 464-8603, Japan

Received:1999-07-12 Revised:1999-08-25 Online:2000-03-28 Published:2009-10-10
Contact: M.Matsui

Abstract

Abstract: GMR effect of multilayers of bcc-Fe(M)(M=Co, Ni) alloy and Cu layers has been investigated. The maximum MR ratio is found at 1.1 nm Fe(Co) and 1.3 similar to 1.4 nm Cu layer thickness in [Fe(Co)/Cu], and at 1.6 nm Fe(Ni) and 1.4 nm Cu layer thickness in [Fe(Ni)/Cu]. Under the optimum annealing condition, the MR ratio increases up to 50% and 38% for Fe(Co) and Fe(Ni) systems, respectively. The origin of the increase of GMR is discussed, taking the progress of preferred orientation of Fe(Co)[100] or Fe(Ni)[100] by annealing into account.

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M.Matsui, M.Doi, N.Shimizu. Giant magnetoresistance effect of [bcc-Fe(M)/Cu] (M=Co,Ni) multilayers[J]. J Mater Sci Technol, 2000, 16(02): 186-190.

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Giant magnetoresistance effect of [bcc-Fe(M)/Cu] (M=Co,Ni) multilayers

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