Luminescence Spectra of Sm^<3+> in BaTiO_3 Host Lattice
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概要
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Luminescence spectra of Sm^<3+> at a Ti^<4+> site in BaTiO_3 host lattice were investigated in a wide range of temperatures including those above the Curie point. Any shifts of emission lines were not observed between -196℃ and 145℃. The ferro-to-paraelectric transition is considered not to influence the strength of the electrostatic field surrounding Sm^<3+> so much as to induce a detectable shift of the 4f electron levels. Some singlet lines were found to split into doublets associated with the transitions of the crystal structure from the cubic to tetragonal and also from the rhombohedral to orthorhombic phase. These facts are accounted for by considering the change of the site symmetry around Sm^<3+>.
- 社団法人日本物理学会の論文
- 1965-12-05
著者
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Shionoya Shigeo
The Institute for Solid State Physics, The University of Tokyo
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Shionoya Shigeo
The Institute For Solid State Physics The University Of Tokyo
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Yamamoto Hajime
The Institute For Solid State Physics The University Of Tokyo:(present)hitachi Central Research Labo
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MAKISHIMA Shoji
The Institute for Solid State Physics, The University of Tokyo
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TOMOTSU Takeshi
The Institute for Solid State physics, The University of Tokyo
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Makishima Shoji
The Institute For Solid State Physics The University Of Tokyo
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Tomotsu Takeshi
The Institute For Solid State Physics The University Of Tokyo
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