Network structure of AlF 3 ‒BaF 2 ‒CaF 2 glass

T. Nanba; A. Osaka; J. Takada; Y. Miura; H. Inoue; Y. Akasaka; H. Hagihara; I. Yasui

doi:10.1016/S0022-3093(05)80780-X

Network structure of AlF 3 ‒BaF 2 ‒CaF 2 glass

T. Nanba, A. Osaka, J. Takada, Y. Miura, H. Inoue, Y. Akasaka, H. Hagihara, I. Yasui

Research output: Contribution to journal › Article

6 Citations (Scopus)

Abstract

Two types of glasses in the ternary Alf₃{single bond}BaF₂{single bond}CaF₂ system were prepared under different cooling rates to investigate their network structure. It is suggested that the network is constructed from (AlF₅)^2- chains and (AlF₆)^3- isolated units and many isolated units are present in the rapidly cooled glass from radial distribution analyses. Molecular dynamics simulations were carried out to reproduce the difference in the glass network. The models showed good agreement with the observed RDF and Raman spectrum, but an exact structural difference in the network could not be obtained. However, it is suggested that chains with branches may be formed when the melt is slowly cooled.

Original language	English
Pages (from-to)	269-274
Number of pages	6
Journal	Journal of Non-Crystalline Solids
Volume	140
Issue number	C
DOIs	https://doi.org/10.1016/S0022-3093(05)80780-X
Publication status	Published - 1992

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Materials Chemistry

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Nanba, T., Osaka, A., Takada, J., Miura, Y., Inoue, H., Akasaka, Y., Hagihara, H., & Yasui, I. (1992). Network structure of AlF 3 ‒BaF 2 ‒CaF 2 glass. Journal of Non-Crystalline Solids, 140(C), 269-274. https://doi.org/10.1016/S0022-3093(05)80780-X

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abstract = "Two types of glasses in the ternary Alf3{single bond}BaF2{single bond}CaF2 system were prepared under different cooling rates to investigate their network structure. It is suggested that the network is constructed from (AlF5)2- chains and (AlF6)3- isolated units and many isolated units are present in the rapidly cooled glass from radial distribution analyses. Molecular dynamics simulations were carried out to reproduce the difference in the glass network. The models showed good agreement with the observed RDF and Raman spectrum, but an exact structural difference in the network could not be obtained. However, it is suggested that chains with branches may be formed when the melt is slowly cooled.",

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AU - Nanba, T.

AU - Osaka, A.

AU - Takada, J.

AU - Miura, Y.

AU - Inoue, H.

AU - Akasaka, Y.

AU - Hagihara, H.

AU - Yasui, I.

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AB - Two types of glasses in the ternary Alf3{single bond}BaF2{single bond}CaF2 system were prepared under different cooling rates to investigate their network structure. It is suggested that the network is constructed from (AlF5)2- chains and (AlF6)3- isolated units and many isolated units are present in the rapidly cooled glass from radial distribution analyses. Molecular dynamics simulations were carried out to reproduce the difference in the glass network. The models showed good agreement with the observed RDF and Raman spectrum, but an exact structural difference in the network could not be obtained. However, it is suggested that chains with branches may be formed when the melt is slowly cooled.

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