Correlation between the Magnetoresistance Ratio and the Interface Structure, and Local Strain of Co/Cu Superlattices Investigated by ^<59>Co NMR
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概要
- 論文の詳細を見る
Co/Cu superlattices were prepared by changing the Ar acceleration voltage (V_B) in ion beam sputtering. V_B dependence on the nanostructure of the interface alloy regions has been deduced from the ^<59>Co nuclear magnetic resonance (NMR) spin-echo spectrum, and the correlation between the magnetoresistance (MR) ratio and interface structure was investigated. The results have shown that there is a correlation between the interlayer interaction and the interface chemical structure. The Co average fractions in the interface alloy regions are nearly uniform and equal to 50 at. % for superlattices having small Δρ, and distributed for superlattices having large Δp. Moreover, the local strain from the shift in the hyperfine field has been found to be correlated with the Co uniaxial anisotropy constant due to the strain from the epitaxial growth on Cu.
- 社団法人日本物理学会の論文
- 1993-05-15
著者
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YASUOKA Hiroshi
Institute for Solid State Physics,University of Tokyo
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GOTO Atsushi
National Institute for Materials Science
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Goto Atsushi
Institute for Solid State Physics, University of Tokyo
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Yasuoka Hiroshi
Institute For Chemistry Research Kyoto University
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Saito Yoshiaki
Toshiba Research and Development Center
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Goto Atsushi
Institute For Solid State Physics University Of Tokyo
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Goto A
National Research Laboratory For Metal
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INOMATA Koichiro
Toshiba Research and Development Center, Toshiba Corporation
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Inomata K
Toshiba Corp. Kawasaki
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Inomata Koichiro
Toshiba Research And Development Center
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Goto Atsushi
Institute For Chemical Research Kyoto Univeristy
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Yasuoka Hiroshi
Institute Fo Solid State Physics University Of Tokyo
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Saito Yoshiaki
Toshiba Corporation Advanced Research Laboratory Research And Development Center
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Inomata Koichiro
Toshiba Corporation Advanced Research Laboratory Research And Development Center
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Goto Atsushi
National Institute for Materials Science (NIMS)
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