Insight into the Zn structural role in a series of glasses of composition (Na2O)1−x · CaO · (ZnO)x · 2SiO2 (x = 0, 0.2, 0.6 and 1) has been obtained by density measurements, analysis of the crystals separated from the glasses, micro-Raman spectra and molecular dynamics simulations. We found that Zn acts as a weak tetrahedral network former independent of the glass Na content.
A COMBINED EXPERIMENTAL AND COMPUTATIONAL APPROACH TO (Na2O)1-x CaO (ZnO)x 2SiO GLASSES CHARACTERIZATION
CARNASCIALI, MARIA;
2004-01-01
Abstract
Insight into the Zn structural role in a series of glasses of composition (Na2O)1−x · CaO · (ZnO)x · 2SiO2 (x = 0, 0.2, 0.6 and 1) has been obtained by density measurements, analysis of the crystals separated from the glasses, micro-Raman spectra and molecular dynamics simulations. We found that Zn acts as a weak tetrahedral network former independent of the glass Na content.
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