Giant Magnetoresistanc of Dual Spin-Valves Using Antiferromagnetic α-Fe_2O_3 as a Pinning Layer
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概要
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We report the large magnetoresitance (MR) ratio of a dual spin-valve structure in α-Fe_2O_3(50 nm)/Co/Cu/Co/Cu/Co/α-Fe_2O_3(50 nm) films using the insulating antiferromagnetic α-Fe_2O_3 as a pinning layer. The MR ratio of a dual spin-valve is obtained as 27.8%, the highest value ever reported. This large MR ratio may indicate that the specular reflection of the conduction electrons occurs at the metal/insulator (Co/α-Fe_2O_3) interfaces.
- 社団法人応用物理学会の論文
- 1998-11-15
著者
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SAKAKIMA Hiroshi
Central Research Laboratories, Matsushita, Electric Industrial Co., Ltd.
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SATOMI Mitsuo
Central Research Laboratory Malaurita Dlatric Indurtion Co.Ltd.
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Satomi M
Matsushita Electric Industrial Co. Ltd. Kyoto Jpn
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Satomi Mitsuo
Central Research Laboratories Matsushita Electric Industrial Co. Ltd.
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Sakakima Hiroshi
Central Research Laboratories Matsushita Electric Industrial Co. Ltd.
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Sakakima Hiroshi
Central Research Laboratory Malaurita Dlatric Indurtion Co.ltd.
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Kawawake Yasuhiro
Central Research Laboratories Matsushita Electric Industrial Co. Ltd.
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Kawawake Yasuhiro
Department Of Metal Science And Technology Kyoto University:central Research Laboratory Matsushita E
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Kawawake Yasuhiro
Institute For Chemical Research Kyoto University
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Sugita Yasunari
Central Research Laboratories Matsushita Electric Industrial Co. Ltd.
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Sakakima H
Nara Inst. Sci. And Technol. Nara Jpn
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