| 非均匀晶化Bi和Ba代替DyIG膜的法拉第效应研究 |
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| 引用本文： | 张怀武.非均匀晶化Bi和Ba代替DyIG膜的法拉第效应研究[J].应用光学,1994,15(1):42-47. |
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| 作者姓名： | 张怀武 |
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| 作者单位： | 中国电子科技大学!成都，610054 |
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| 摘 要： | 报道了快速循环晶化Ｂｉ和Ｂａ代替ＤｙＩＧ磁光膜的实验结果，发现在累加退火时间小于３分钟时（温度６５０～６８０℃）膜内部存在非晶区域和沿厚度晶化不均匀现象。导出晶相与非晶相界面法拉第角计算公式。计算结果表明，界面效应导致膜整体法拉第效应减弱。
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| 关 键 词： | 磁光膜 晶化 法拉第效应 |
FARADAY EFFECT STUDY FOR NONUNIFORMLY CRYSTALIZED Bi AND Ba INSTEAD OF DyIG FILM |
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| Zhang Huaiwu.FARADAY EFFECT STUDY FOR NONUNIFORMLY CRYSTALIZED Bi AND Ba INSTEAD OF DyIG FILM[J].Journal of Applied Optics,1994,15(1):42-47. |
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| Authors: | Zhang Huaiwu |
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| Abstract: | The experimental results of fast circular crystalized Bi and Ba instead of DyIG are given.It is found that the noncrystallizable area and the crystallization inside the film as the accumulated annealing time is less than 3 min (at 650C~680C). Farady angle formulas of crystalline phase and noncrystalline phase interfaces are derived. The caculating results show that the interface effect leads the weakening of overall Faraday effect of film. |
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| Keywords: | magneto-optical film orystallization Faraday effect |
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