Magnetic Structure of Y-shaped Permalloy Arrays Fabricated Using Damascene Technique
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概要
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In this paper, we report on the observed magnetic spin structure and the micromagnetic simulation of Y-shaped permalloy (Ni80Fe20) arrays. The arrays were fabricated using the damascene technique, with electron-beam lithography. For a widely separated linear arrangement, magnetic poles are observed on the ends of two of three arms of the Y-shaped array and multidomains on the remaining arm. For a closely separated honeycomb arrangement and a pair of antisymmetrical dots (termed mirror dots), regularly aligned magnetic poles are observed. It is suggested that the honeycomb array or mirror dots have a strong magnetostatic interaction. The calculated spin distributions approximately correspond to the magnetic force microscopy (MFM) images, in good agreement with the experimental results.
- 2006-03-25
著者
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Sato Katsuaki
Faculty Of Technology Tokyo University Of Agriculture & Techonology
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YAMAMOTO Takahiro
Faculty of Technology, Tokyo University of Agriculture and Technology
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YAMAOKA Takehiro
Application Engineering, SII NanoTechnology, Inc.
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Ishibashi Takayuki
Faculty Of Technology Tokyo University Of Agriculture And Technology
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Machida Kenji
Materials Science Science & Technical Research Laboratories Nhk
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Yamaoka Takehiro
Application Engineering, SII NanoTechnology, Inc., 2-15-5 Shintomi, Chuo-ku, Tokyo 104-0041, Japan
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Ishibashi Takayuki
Faculty of Technology, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
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Yamamoto Takahiro
Faculty of Technology, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
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Yamamoto Takahiro
Faculty of Engineering, Tokyo University of Science, Chiyoda, Tokyo 102-0073, Japan
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