Annealing Behavior of Heavily Pb2+ -Doped CsCl Films studied by in situ Absorption Spectroscopy

Material type: 文書・図像類

Author: 天谷, 和広ほか

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Publication date: 2000-03

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Note (General)：: We have applied absorption spectroscopy to the study of annealing behavior of heavily pb2+ -doped CsCl films prepared by coevaporation of the mixture ...

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Material Type: 文書・図像類
Title: Annealing Behavior of Heavily Pb2+ -Doped CsCl Films studied by in situ Absorption Spectroscopy
Author/Editor: 天谷, 和広
斎藤, 忠昭
近藤, 新一
Author Heading: 天谷, 和広
斎藤, 忠昭
近藤, 新一
Publication Date: 2000-03
Publication Date (W3CDTF): 2000-03
Alternative Title: Pb2+を多重にドープしたCsCl薄膜におけるアニール効果の分光学的その場観測
Periodical title: 遠赤外領域開発研究
No. or year of volume/issue: 1
Volume: 1
Pages: 109-115
Text Language Code: eng
Target Audience: 一般
Note (General): We have applied absorption spectroscopy to the study of annealing behavior of heavily pb2+ -doped CsCl films prepared by coevaporation of the mixture of CsCl and PbCl2 onto low temperature (77K) silica-glass substrates. The as-prepared films exhibit localized optical absorption due to Pb2+ ions for the full range of PbCl2 concentration suggesting that the Pb2+ ions are embedded in the amorphous surroundings. When the films are annealed at 500K, the amorphous surroundings are crystallized, with the Pb2+ ions still localized forming impurity centers. On annealing the films of higher PbCl2 concentrations, the Pb2+ ions migrate to form CsPbCl3 (PbCl2 concentration, 30 to 60 mol%) or PbCl2 (60 to 100 mol%) crystals, both exhibiting a sharp exciton peal in their absorption spectrum. These results are also confirmed by the measurements of spectral change due to annealing of thin PbCl2 films quench deposited onto thick CsCl films.
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