Spin-Lattice Relaxation Time of Co^<2+> Ion in Yttrium Aluminum Garnet
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概要
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Spin-lattice relaxation times of Co" spins in yttrium aluminum garnet (YAG) areinvestigated below 100 K. Co" impurities in YAG have the octahedral, tetrahedraland interstitial sites and these spins have considerably different local crystalline elec-tric field symmetries and intensities. The observed relaxation times well reflect thelocal fields and it is found that the octahedral and interstitial spins show the Orbachrelaxation process with the etaergy gap A / k of 280K and 95 K, respectively, while thetetrahedral spin shows simple direct- and Raman-processes.
- 社団法人日本物理学会の論文
- 1988-04-15
著者
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Date Muneyuki
Department Of Physics Faculty Of Science Osaka University
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Chiba Yoshiaki
Department Of Biology Miyagi College Of Education
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Date Muneyuki
Department Of Physics Faculity Of Science Osaka University
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CHKBA Yoshiaki
Department of Physics,Miyagi University of Education
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KONTANI Naoto
Department of Physics,Faculty of Science,Osaka University
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Kontani Naoto
Department Of Physics Faculty Of Science Osaka University
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Chkba Yoshiaki
Department Of Physics Miyagi University Of Education
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CHIBA Yoshiaki
Department of Applied Physics, Tokyo Science University
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