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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 1997.6
- 수록면
- 46 - 49 (4page)
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초록· 키워드
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This paper reports the first success in enhancement of the magneto-optic figure of merit of garnet films in blue wavelengths by La substitution. This has been achieved through the increase of the Faraday rotation and the reduction of optical absorption in the wavelengths. The maximum of the absolute value of the Faraday rotation angle observed at about 500 ㎚ for the films with no La substitution shifted toward shorter wavelength as La content increased, that leads the increase of the absolute value of the Faraday rotation angle in the wavelengths shorter than about 480 ㎚. The optical absorption coefficient at the wavelengths shorter than 500 ㎚ decreased as La content increased. As a result the magneto-optic figure of merit increased in the wavelengths shorter than 470 ㎚ as La content increased and was about two times larger for the film with La content of 0.6 in formular unit compared to that of the film without La substitution. This might be attributed to the shift of the centers of the charge transfer and crystal field transitions by La substitution.
목차
Abstract
Ⅰ. Introduction
Ⅱ. Experiments
Ⅲ. Results and Discussion
Ⅳ. Conclusions
References
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