Luminescence Lines Due to the n=2 Free Exciton State of Wannier Series in KI Crystals
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- Nishimura Hitoshi
- Department of Applied Physics, Osaka City University
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- Miyazaki Hisashi
- Department of Applied Physics, Osaka City University
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- Tanaka Yuuji
- Department of Applied Physics, Osaka City University
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- Uchida Kenji
- Department of Applied Physics, Osaka City University
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- Tomura Masao
- Department of Applied Physics, Osaka City University
書誌事項
- タイトル別名
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- Luminescence Lines Due to the <I>n</I>=2 Free Exciton State of Wannier Series in KI Crystals
- Luminescence Lines Due to the n 2 Free
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A resonance luminescence line and its LO phonon side bands due to n=2 free excitons in KI are studied. Main results of measurements; (1) the resonance luminescence line is located at 6.186 eV which corresponds closely to the peak position of the zero phonon absorption line due to n=2 excitons, (2) the shape of the line is symmetric Lorentzian with 1.6 meV width, (3) the quantum yield is 1×10−5, (4) the height of the potential barrier between the n=2 free exciton state and self-trapped exciton states is 3.0 meV, (5) the self-trapping probability by a tunnel process through the potential barrier is 2×1011 sec−1 and (6) the scattering probability from the n=2 free exciton state to the n=1 free exciton state is 2×1011 sec−1. Furthermore, it is concluded that so called σ(4.12 eV) luminescence and π(3.31 eV) luminescence are emitted from the self-trapped exciton states due to the n=2 exciton state.
収録刊行物
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 47 (6), 1829-1835, 1979
一般社団法人 日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1390282679160207488
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- NII論文ID
- 110001964539
- 130003896201
- 210000088192
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- NII書誌ID
- AA00704814
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- BIBCODE
- 1979JPSJ...47.1829N
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- COI
- 1:CAS:528:DyaL3cXmslagsA%3D%3D
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 2070343
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可