Luminescence of Defect-Induced Localized Excition States in PbI_2
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概要
- 論文の詳細を見る
Luminescence spectra of Pbl) grown from the vapor phase have been investigatedat 2 K. A broad emission is observed in the energy region below the exciton absorp-lion edge where an absorption tail spreads toward lower energy. Measurements of theluminescence decay reveal that the decay curve consists of a fast and a slow cornponents. The slow component is supposed to be the recombination of donor-acceptorpairs. The fast component is attributed, from its spectral profile and the dependenceof the decay time on the emission energy, to radiative decay of excitons localized bypotential fluctuations caused by lattice imperfections. The sample dependence of theluminescence is briefly discussed in relation to the reflection spectra.
- 社団法人日本物理学会の論文
- 1990-12-15
著者
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Kato Riso
Department Of Physics Faci4ty Of Science Kyoto University
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Watanabe Masayuki
Department Of Botany National Science Museum
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HAYASHI Tetsusuke
College of General Education,Kyoto University
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Hayashi Tetsusuke
Colledge Of General Education Kyoto University
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Watanabe Masayuki
Department Of Biology Graduate School Of Natural Science Konan University
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Watanabe Masayuki
Department Of Physics Kyoto University
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