MAGNETO-OPTICAL KERR EFFECT IN AMORPHOUS RE-Co-Fe FILMS.

被引:0
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作者
Togami, Yuji [1 ]
Sato, Ryuji [1 ]
Saito, Nobuo [1 ]
Shibayama, Masao [1 ]
机构
[1] NHK, Broadcasting Science &, Technical Research Lab, Tokyo, Jpn, NHK, Broadcasting Science & Technical Research Lab, Tokyo, Jpn
关键词
COBALT IRON ALLOYS - Amorphous - DATA STORAGE; OPTICAL - Materials - FILMS - Metallic - RARE EARTH ELEMENTS - Amorphous;
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摘要
This paper presents experimental results on the dependence of phi //k in RE-(Co//1// minus //yFe//y) (y less than 0. 4) films on the Fe content and negative bias voltage. The study showed that phi //k in RE-Co films is increased by the addition of a small amount of Fe. The maximum value of phi //k obtained was 0. 48 degree , which is the largest current value for RE-TM films. It was also found that phi //k increase with increase of the negative bias voltage between minus 40 V and minus 100 V. The dependence of phi //k on V//b is probably due to the dependence on V//b of the distribution of the direction of magnetization.
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页码:106 / 107
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