Dynamical Aspects of Self-Trapping of 1s Excitons in RbI and KI
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概要
- 論文の詳細を見る
Previously direct measurements of the self-trapping time of l.s' excitons in Klwas reported. In this paper, measurements for Rbl are described. Picosecondpulses of the fifth harmonic (212.8nm) of a Nd": YAG laser, which candirectly generate the 1.5 excitons are used as the excitation source. The risetime of the E. luminescence is measured at 4.2 K. From the observed risetime, the self-trapping time is estimated to be 2.0.[0.5 ns. The height of theadiabatic potential barrier separating the free and self-trapped exciton states ismeasured to be 18 and 30 meV for Rbl and Kl, respectively. The self-trapping timeand the barrier height in Rbl and Kl are compared, and their changes with chang-ing material are discussed on the basis of the theoretical calculation.
- 社団法人日本物理学会の論文
- 1983-12-15
著者
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Masumoto Yasuaki
Institute For Solid State Physics The University Of Tokyo
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NISHIMURA Hitoshi
Departments of Oral Surgery, Nihon University School of Dentistry at Matsudo
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Nishimura H
Department Of Physics Faculty Of Science Osaka City University
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Shionoya Shigeo
Institute For Solid State Physics The University Of Tokyo
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UNUMA Yutaka
Institute for Solid State Physics,The University of Tokyo
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Unuma Yutaka
Institute For Solid State Physics The University Of Tokyo:tokyo Research Laboratory Sharp Corporatio
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Nishimura Hitoshi
Department Of Applied Physics Osaka City University
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Nishimura H
Kasugai Branch Of The Gaseous Electronics Institute
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Nishimura Hitoshi
Department Of Analytical And Bioinorganic Chemistry Kyoto Pharmaceutical University
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Nishimura Hiroshi
Department Of Physics Faculty Of Science Osaka University
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