Magnetic properties of Tb-Fe giant magnetostrictive thin films by oblique deposition

Tomoko O. Yamaki; Hirohisa Uchida; Yoshihito Matsumura

doi:10.1117/12.469176

13 November 2002 Magnetic properties of Tb-Fe giant magnetostrictive thin films by oblique deposition

Tomoko O. Yamaki, Hirohisa Uchida, Yoshihito Matsumura

Proceedings Volume 4934, Smart Materials II; (2002) https://doi.org/10.1117/12.469176
Event: SPIE's International Symposium on Smart Materials, Nano-, and Micro- Smart Systems, 2002, Melbourne, Australia

Abstract

In this study, the preparation of giant magnetostrictive Tb-Fe thin films by ion plating process was investigated to induce high magnetostrictive susceptibility and high magnetostriction, especially in respect to the effects of incidence of the vapor flux by geometrical arrangement of the tilted substrate. With increasing substrate angle of Tb-Fe films, the in-plane magnetization at 15 kOe was strongly increased. This indicates that the easy direction of magnetization of Tb-Fe film changed from perpendicular to in-plane by obliquely deposition. The magnetic and magnetostrictive characteristics of the obliquely deposited Tb-Fe films were affected by an oblique anisotropy. The oblique anisotropy of Tb-Fe film may be induced by the shape anisotropy connected with columnar grain.

Citation Download Citation

Tomoko O. Yamaki, Hirohisa Uchida, and Yoshihito Matsumura "Magnetic properties of Tb-Fe giant magnetostrictive thin films by oblique deposition", Proc. SPIE 4934, Smart Materials II, (13 November 2002); https://doi.org/10.1117/12.469176

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