Luminescence of Lead Ion Centers in Cadmium Iodide Single Crystals
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概要
- 論文の詳細を見る
Emission and excitation spectra of the luminescence associated with Pb^<2+> centers in CdI_2 layered crystals have been investigated. Excitation in the absorption band of the center induces an emission band with fine vibrational structures at the energy near the absorption band, and a broad emission band with large Stokes shift. Measurements of the decay time and time-resolved emission spectra reveal that the former band consists of two parts originating from (^3E_u, ^3A_<2u>) and ^3A_<1u> states of Pb^<2+> with D_<3d> symmetry. The low energy broad band is ascribed to the emission from a relaxed state of excitons of CdI_2 perturbed by Pb^<2+>. Thermally activated transfer of energy is found to take place from the excited states of Pb^<2+> into the perturbed exciton state.
- 社団法人日本物理学会の論文
- 1994-12-15
著者
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Hayashi Tetsusuke
Department Of Fundamental Sciences Faculty Of Integrated Human Studies Kyoto University
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KOSHINO Shigeharu
School of General Education,Kyoto University
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Ohata T
Kyoto Univ. Kyoto
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Koshino S
Department Of Fundamental Sciences Faculty Of Integrated Human Studies Kyoto University
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Koshino Shigeharu
Department Of Physics Faculty Of Science Niigata University
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Watanabe Masayuki
Department Of Biology Graduate School Of Natural Science Konan University
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Ohata Tokiko
Department of Fundamental Sciences, Faculty of Integrated Human Studies, Kyoto University
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Koshino Shigeharu
Department of Fundamental Sciences, Faculty of Integrated Human Studies, Kyoto University
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