High Temperature Relaxation of the Uniaxial Anisotropy of Eu_<2.2> Gd_<0.8> Al_<4.4> O_<12> Garnet
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概要
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Heat treatment relaxation of the growth-induced uniaxial anisotropy of the mixed garnet (Eu_<2.2> Gd_<0.8> Al_<0.6> Fe_<4.4> O_<12>) was investigated by means of annealing the specimen at high temperature in various atmospheres. The relaxation of the anisotropy constant of this garnet consists of two processes. At 1000℃, these relaxation times are 12 minutes and 35.0 hours for the two processes, respectively. It is supposed that the diffusion of rare earth ions is mediated by the oxygen vacancies.
- 社団法人日本物理学会の論文
- 1975-08-15
著者
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Iida Shuichi
Department Of Physics Faculty Of Science The University Of Tokyo
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Nomura Kazushige
Department Of Physics Faculty Of Science University Of Tokyo
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MADA Junji
Department of Physics, Faculty of Science, University of Tokyo
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Mada Junji
Department Of Physics Faculty Of Science University Of Tokyo
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Iida Shuichi
Department Of Physics Faculity Of Science University Of Tokyo
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Nomura Kazushige
Department of Condensed Matter Physics, Graduate School of Science, Hokkaido University, Sapporo 060-0810, Japan
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Iida Shuichi
Department of Applied Physics, Tokyo Institute of Technology
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