PHOTOINDUCED DISACCOMMODATION OF MAGNETIC-PERMEABILITY IN SINGLE CRYSTALLINE YTTRIUM-IRON-GARNET

被引：4
|
作者：
MATSUBARA, I
HISATAKE, K
MAEDA, K
KAWAI, Y
UEMATSU, K
机构：
[1] GAKUSHUIN UNIV, FAC SCI, TOKYO 171, JAPAN
[2] WASEDA UNIV, SCI ENGN LAB, TOKYO 162, JAPAN
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1992年 / 104卷
关键词：
D O I：
10.1016/0304-8853(92)90864-K
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Disaccommodation (DA), or the temporal decrease in permeability after demagnetization, in yttrium iron garnet single crystals has been investigated as a function of temperature (77-300 K). On warming the sample illuminated with white light at 77 K, DA is observed to occur around 125 K. On the other hand, no DA is observable in an unilluminated sample over this temperature range. A model, consistent with the experimental results, is proposed in which the migration of oxygen vacancy and the photoexcited electron is emphasized.
引用
收藏
页码：427 / 428
页数：2
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