Thermal properties and Raman spectra of crystalline and vitreous BaZrF6, PbZrF6, and SrZrF6.

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概要

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• Differential thermal analysis and Raman spectroscopic studies have been performed of crystalline and vitreous BaZrF<SUB>6</SUB>, PbZrF<SUB>6</SUB>, and SrZrF<SUB>6</SUB> compounds in order to examine the thermal properties and the F coordination of Zr. The differential thermal analyses clarified the definite phase transformation characteristics of crystalline BaZrF<SUB>6</SUB>, and SrZrF<SUB>6</SUB> and also suggested that the low- and high-temperature modifications are present in PbZrF<SUB>6</SUB> as well as in BaZrF<SUB>6</SUB> and SrZrF<SUB>6</SUB>. The Raman spectra of crystalline BaZrF<SUB>6</SUB>, PbZrF<SUB>6</SUB>, and SrZrF<SUB>6</SUB> were discussed in relation to the F coordination of Zr in fluorozirconate compounds. The crystallization behaviors and Raman spectra of vitreous BaZrF<SUB>6</SUB>, PbZrF<SUB>6</SUB> and SrZrF<SUB>6</SUB> revealed that Zr in the vitreous compounds is eight-coordinated by F although small amounts of seven-coordinated Zr may exist in vitreous BaZrF<SUB>6</SUB>.

• 公益社団法人 日本化学会の論文

著者

• SAKAGUCHI Fumiko

  Department of Internal Medicine, Yokohama Keiyu Hospital

• Kawamoto Yoji

  Department Of Chemistry Faculty Of Science Kobe University

• Sakaguchi Fumiko

  Department of Chemistry, Faculty of Science, Kobe University

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• Thermal properties and Raman spectra of crystalline and vitreous BaZrF6, PbZrF6, and SrZrF6.

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