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Studies of Long Term Aging Effects on the Magneto-Optic Properties of Amorphous Tb-Fe Films

Published online by Cambridge University Press:  21 February 2011

N. Watanabe ,
K. Tsushima ,
R. Malmhal  and
K. V. Rao
N. Watanabe
Affiliation:
Royal Institute of Technology, Dept. of Solid State Physics, S-100 44 Stockholm, Sweden
K. Tsushima
Affiliation:
Royal Institute of Technology, Dept. of Solid State Physics, S-100 44 Stockholm, Sweden
R. Malmhal
Affiliation:
Institute of Optical Research, S-100 44 Stockholm, Sweden
K. V. Rao
Affiliation:
Royal Institute of Technology, Dept. of Solid State Physics, S-100 44 Stockholm, Sweden
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Abstract

The real long term aging phenomena at ambient temperatures, over 8 years, of amorphous TbFe thin films protected with a SiOx layer has been investigated, using Kerr magneto-optic effect. Our data indicate significant changes in the coercivity values for films with less than 500A thickness. In thicker films structure/stress relaxation effects appear to be significant. Studies of the stability of these films under accelerated aging are also presented.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 150: Symposium F – Materials for Magneto-Optic Data Storage , 1989 , 239
Copyright
Copyright © Materials Research Society 1989

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References

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