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Proceedings Paper

Magneto-optical Kerr properties of Co-Ag-annealed granular films
Author(s): Weimin Zheng; H. Wang; Song-You Wang; Liang-Yao Chen; Junhao Chu
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Paper Abstract

A series of CoxAg100-x granular films was prepared by ion beam sputtering and annealed at 100 degree(s)C, 250 degree(s)C, 400 degree(s)C, 500 degree(s)C, respectively. The optical constants, the complex dielectric function and magneto- optical Kerr parameters were measured at room temperature. It was found that Kerr rotation and ellipticity with increasing of the Co content. For the samples Co17Ag83, the strong Kerr effect enhancement is observed around the Ag plasma edge. With the annealing temperature increasing, the enhancement peak shifted toward the low photon energy region. From the analysis of the numerical calculations, it is concluded that the magneto-optical Kerr effect enhancement is due to the presence of the steep plasma edge.

Paper Details

Date Published: 29 November 2000
PDF: 4 pages
Proc. SPIE 4086, Fourth International Conference on Thin Film Physics and Applications, (29 November 2000); doi: 10.1117/12.408307
Show Author Affiliations
Weimin Zheng, Shanghai Institute of Technical Physics (China)
H. Wang, Shanghai Jiao Tong Univ. (China)
Song-You Wang, Fudan Univ. (China)
Liang-Yao Chen, Fudan Univ. (China)
Junhao Chu, Shanghai Institute of Technical Physics (China)

Published in SPIE Proceedings Vol. 4086:
Fourth International Conference on Thin Film Physics and Applications
Junhao Chu; Pulin Liu; Yong Chang, Editor(s)

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