Annealing behaviors of quench-deposited (CsCl)1-x(PbCl2)x films studied by optical absorption spectroscopy

Material type: 文書・図像類

Author: KONDO, Sほか

Publisher: Elsevier Ltd

Publication date: 2002-01

Material Format: Digital

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Note (General)：: All the films of the (CsCl)1-x(PbCl2)x system prepared by quench deposition exhibit a similar fundamental absorption spectrum over the full mixing ran...

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Material Type: 文書・図像類
Title: Annealing behaviors of quench-deposited (CsCl)1-x(PbCl2)x films studied by optical absorption spectroscopy
Author/Editor: KONDO, S
AMAYA, K
SAITO, T
Author Heading: KONDO, S
AMAYA, K
SAITO, T
Publication, Distribution, etc.: Elsevier Ltd
Publication Date: 2002-01
Publication Date (W3CDTF): 2002-01
Periodical title: Materials Science and Engineering B
No. or year of volume/issue: 88 1
Volume: 88
Issue: 1
Pages: 85-90
Text Language Code: eng
Subject Heading: Film
Optical absorption
Quench deposition
Cs4PbCl6
CsPbCl3
Target Audience: 一般
Note (General): All the films of the (CsCl)1-x(PbCl2)x system prepared by quench deposition exhibit a similar fundamental absorption spectrum over the full mixing range. On annealing the films, drastic changes occur in the spectra showing three characteristic types of spectral features depending on the mixing ratio. Type 1 (x=<0.7) suggests the formation of mixed crystals of a PbCl2 base. Type 2 (0.5=<x=<0.3) exhibits the spectrum of CsPbCl3 crystal. Type 3 (x=0.1, 0.05), the most characteristic, is the spectrum of Cs4PbCl6 crystal, which was observed for the first time. The spectrum of the Cs4PbCl6 crystal exhibits novel structures. Despite the crystalline entity of the compound, it shows oscillator-like fundamental absorption and a wide (~1 eV) window just above the first absorption peak, suggesting the peculiarity of the associated energy band structure. To a first approximation, the spectrum is explainable in terms of Pb2+-ion excitation of the Pb2+(Cl-)6 quasi-complexes.
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