Local Structural Analyses of Molten Thorium Fluoride in Mono- and Divalent Cationic Fluorides

Material type: 図書

Author: 沼倉, 正彦ほか

Publisher: John Wiley & Sons, Inc.

Publication date: 2014-05

Material Format: Paper

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Note (General)：: Structural analyses of molten thorium fluoride in alkali and alkaline-earth fluorides were performed by extended X-ray absorption fine structure spect...

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Paper

Material Type: 図書
Title: Local Structural Analyses of Molten Thorium Fluoride in Mono- and Divalent Cationic Fluorides
Author/Editor: 沼倉, 正彦
Numakura, Masahiko
根津, 篤
Nezu, Atsushi
赤塚, 洋
AKATSUKA, HIROSHI
松浦, 治明
MATSUURA, HARUAKI
Author Heading: 沼倉, 正彦
Numakura, Masahiko
根津, 篤
Nezu, Atsushi
赤塚, 洋
AKATSUKA, HIROSHI
松浦, 治明
MATSUURA, HARUAKI
Publication, Distribution, etc.: John Wiley & Sons, Inc.
Publication Date: 2014-05
Publication Date (W3CDTF): 2014-05
Periodical title: Molten Salts Chemistry and Technology
Text Language Code: eng
Subject Heading: divalent cationic fluoride, local structural analyses, molten thorium fluoride, monovalent cationic fluoride
Target Audience: 一般
Note (General): Structural analyses of molten thorium fluoride in alkali and alkaline-earth fluorides were performed by extended X-ray absorption fine structure spectroscopy and molecular dynamics simulation. The Debye–Waller factor and C3 cumulant parameter derived from EXAFS depending on the cationic species and composition of mixtures were found to be well related to the tendency of distribution of coordination number and the diminish rate of the cage correlation factor focussing on the first coordination sphere of the thorium cation by MD. That is, the values of the Debye–Waller factor and C3 cumulant can be used for identification of ‘how stabilised is the local structure around Th4+’. It is conjectured that the local structure around thorium depends on not only the balance of the coulombic interaction between Th4+-F− and the solvent cation F− but also the atomic number density of F−. This variation of local structure around thorium by the addition of calcium fluoride would be also applicable to control the electrochemical condition of the melt in order to develop a novel process of pyrochemistry.
identifier:oai:t2r2.star.titech.ac.jp:50277270
Related Material (DOI): 10.1002/9781118448847.ch6g
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): 東京工業大学 : 東京工業大学リサーチリポジトリ