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5. The Thermophysical Properties of Primary Phase in Lithium Germanium Phosphate Glass

Author

Matijašević, Srdjan D., Topalović, Vladimir S., Grujić, Snežana, Savić, Veljko V., Nikolić, Jelena D., Labus, Nebojsa J., Zildzović, Snezana N., Matijašević, Srdjan D., Topalović, Vladimir S., Grujić, Snežana, Savić, Veljko V., Nikolić, Jelena D., Labus, Nebojsa J., and Zildzović, Snezana N.

Abstract

The selected lithium germanium-phosphate glass was prepared by a conventional melt-quenching technique. The XRD method was employed to confirm the glass was obtained and to reveal crystalline phases during heat treatment. The dilatometry (DIL), differential thermal analysis (DTA), and differential scanning calorimetry (DSC) were used to determine the characteristic temperatures and enthalpies of crystallization and melting of the crystalline phase. The DTA and DIL were used to obtain the viscosity curves by applying the VogelFulcher-Tammann (VFT) equation.

Published
2021

6. The Analysis of the Nucleation Process of the Lithium Germanium Phosphate Glass.

Author

Matijašević, Srdjan D., Grujić, Snežana R., Nikolić, Jelena D., Topalović, Vladimir S., Savić, Veljko V., Zildžović, Snežana N., and Labus, Nebojša J.

Subjects
GERMANATE glasses, NUCLEATION, RATE of nucleation, HOMOGENEOUS nucleation, DIFFERENTIAL thermal analysis, PHOSPHATE glass, PHOSPHATE removal (Water purification)
Abstract

The nucleation process of lithium germanium-phosphate glass was studied to determine the temperature range of nucleation and the temperature of the maximum nucleation rate. The differential thermal analysis (DTA), and scanning electron microscope (SEM) were used to reveal the nonisothermal and isothermal process of nucleation, respectively. The crystallization process occurred at a high homogeneous nucleation rate and the spherulitic crystal growth morphology. Nanostructured samples were obtained. [ABSTRACT FROM AUTHOR]

Published
2022
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