Correlation between basicity and coordination structure in borosilicate glasses

Y. Tanaka; Y. Benino; T. Nanba; S. Sakida; Y. Mima

Correlation between basicity and coordination structure in borosilicate glasses

Y. Tanaka, Y. Benino, T. Nanba, S. Sakida, Y. Mima

Research output: Contribution to journal › Article › peer-review

Abstract

Various quaternary borosilicate glasses in the general system M ₂O-M'O-Al₂O₃-B₂O₃- SiO₂ (M=Li, Naor K; M'=Ca, Sr or Ba) were prepared, and the concentration of four-fold coordinated boron (B4) atoms was determined using¹¹B magic angle spinning NMR. Regression analyses were performed to predict the B4 fraction, in which B4 fraction and glass basicity were used as dependent and independent variables, respectively. Except for Al ₂O₃-containing glasses, regression formulae giving high correlation coefficients were successfully obtained by using B4/(B+Si×f) (where f is a tunable coefficient) as the dependent variable. As for the glasses containing Al₂O₃, however, the necessity of a different dependent variable was indicated.

Original language	English
Pages (from-to)	289-293
Number of pages	5
Journal	Physics and Chemistry of Glasses: European Journal of Glass Science and Technology Part B
Volume	50
Issue number	5
Publication status	Published - Oct 2009

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Physical and Theoretical Chemistry
Materials Chemistry

Cite this

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abstract = "Various quaternary borosilicate glasses in the general system M 2O-M'O-Al2O3-B2O3- SiO2 (M=Li, Naor K; M'=Ca, Sr or Ba) were prepared, and the concentration of four-fold coordinated boron (B4) atoms was determined using11B magic angle spinning NMR. Regression analyses were performed to predict the B4 fraction, in which B4 fraction and glass basicity were used as dependent and independent variables, respectively. Except for Al 2O3-containing glasses, regression formulae giving high correlation coefficients were successfully obtained by using B4/(B+Si×f) (where f is a tunable coefficient) as the dependent variable. As for the glasses containing Al2O3, however, the necessity of a different dependent variable was indicated.",

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T1 - Correlation between basicity and coordination structure in borosilicate glasses

AU - Tanaka, Y.

AU - Benino, Y.

AU - Nanba, T.

AU - Sakida, S.

AU - Mima, Y.

PY - 2009/10

Y1 - 2009/10

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AB - Various quaternary borosilicate glasses in the general system M 2O-M'O-Al2O3-B2O3- SiO2 (M=Li, Naor K; M'=Ca, Sr or Ba) were prepared, and the concentration of four-fold coordinated boron (B4) atoms was determined using11B magic angle spinning NMR. Regression analyses were performed to predict the B4 fraction, in which B4 fraction and glass basicity were used as dependent and independent variables, respectively. Except for Al 2O3-containing glasses, regression formulae giving high correlation coefficients were successfully obtained by using B4/(B+Si×f) (where f is a tunable coefficient) as the dependent variable. As for the glasses containing Al2O3, however, the necessity of a different dependent variable was indicated.

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Correlation between basicity and coordination structure in borosilicate glasses

Abstract

ASJC Scopus subject areas

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