PbBr2薄膜を蒸着したCsBr結晶における固体化学反応の分光学的その場観測

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Author: 松永, 敏宏ほか

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Publication date: 2002-03

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Note (General)：: The effect of annealing on PbBr2 films vacuum-evaporated onto 77K CsBr crystals has been investigated by in situ optical absorption and reflection spe...

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Material Type: 文書・図像類
Title: PbBr2薄膜を蒸着したCsBr結晶における固体化学反応の分光学的その場観測
Author/Editor: 松永, 敏宏
樋口, 聖
斎藤, 忠昭
近藤, 新一
浅田, 拡志
石金, 益夫
Author Heading: 松永, 敏宏
樋口, 聖
斎藤, 忠昭
近藤, 新一
浅田, 拡志
石金, 益夫
Publication Date: 2002-03
Publication Date (W3CDTF): 2002-03
Alternative Title: In Situ Optical Absorption and Reflection Spectroscopy of Solied State Chemical Reactions in PbBr2-Deposited CsBr Crystals
Periodical title: 遠赤外領域開発研究
No. or year of volume/issue: 3
Volume: 3
Pages: 204-214
Text Language Code: jpn
Target Audience: 一般
Note (General): The effect of annealing on PbBr2 films vacuum-evaporated onto 77K CsBr crystals has been investigated by in situ optical absorption and reflection spectroscopy. In the early stages of the annealing, the Pb2+ ions take part in the formation of Cs4PbBr6 crystallites, near the surface of the CsBr crystals, via the formation of CsPbBr3 by the chemical between PbBr2 and CsBr. The crystallites exhibit a novel absorption spectrum suggesting that the 6s and 6p states of the Pb2+ ions are strongly localized. On heavy annealing at a high temperature (680K) followed by a rapid cooling to room temperature, the Pb2+ -ion centers. Thus we have succeeded in obtaining CsBr crystals heavily doped with Pb2+ ions by using such a novel method.
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ