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Proceedings Paper

Giant magnetostrictive iron-based alloy thin film for optical scanner
Author(s): Atsushi Kadowaki; Yoshitake Nishi; Mitsuaki Takeuchi; Yoshihito Matsumura
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Paper Abstract

To develop an optical scanning device, the magnetostrictive alloy thin films were prepared on silicon wafer and polyimide substrate by d.c. magnetoron sputtering process. The TbFe1.8 film shows a giant positive magnetostriction of about 1200 ppm at 5 kOe, whereas the SmFe2.5 shows a giant negative magnetostriction of about 1200 ppm. The magnetostrictive alloy thin films device showed reproducibility below 5 kOe of magnetic field.

Paper Details

Date Published: 16 February 2004
PDF: 8 pages
Proc. SPIE 5648, Smart Materials III, (16 February 2004); doi: 10.1117/12.582330
Show Author Affiliations
Atsushi Kadowaki, Tokai Univ. (Japan)
Yoshitake Nishi, Tokai Univ. (Japan)
Mitsuaki Takeuchi, Tokai Univ. (Japan)
Yoshihito Matsumura, Tokai Univ. (Japan)

Published in SPIE Proceedings Vol. 5648:
Smart Materials III
Alan R. Wilson, Editor(s)

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