Formation of glass ceramic composite in (ZrF4-BaF2)-NaPO3 system

•Glasses in ZrF4–BaF2–NaPO3 system were prepared by melting 60ZrF4–40BaF2 and NaPO3 glasses.•Glass networks are constructed from fluorozirconate and phosphate subsystems.•Nucleation of crystalline phases begins at the 20 mol.% NaPO3 content in the glass.•Fluorozirconate phases crystallize first and...

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Bibliographic Details
Published inJournal of non-crystalline solids Vol. 548; p. 120329
Main Authors Ignatieva, L.N., Marchenko, Yu.V., Mashchenko, V.A., Maslennikova, I.G., Goncharuk, V.K., Adishchev, S.V., Sarin, S.A.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 15.11.2020
Subjects
Crystallization
Glass ceramics
Glasses
Nanocrystallites
Structure
Nanocrystallites
Glasses
Structure
Glass ceramics
Crystallization
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Summary:•Glasses in ZrF4–BaF2–NaPO3 system were prepared by melting 60ZrF4–40BaF2 and NaPO3 glasses.•Glass networks are constructed from fluorozirconate and phosphate subsystems.•Nucleation of crystalline phases begins at the 20 mol.% NaPO3 content in the glass.•Fluorozirconate phases crystallize first and its can be centers of crystal formation.•Possibility of obtaining nanoceramics with nanocrystallites embedded in glass is shown. The glasses in the system of ZrF4-BaF2 and NaPO3 obtained by melting glasses of ZrF4-BaF2 and NaPO3 were studied by methods of IR and Raman spectroscopy, X-ray diffraction, SAXS and differential scanning calorimetry. An analysis of the data showed that the glasses are built of two sub-networks, in one of which crystallization centers are formed. It was shown possibility of obtaining mixed optical nanoceramics in which fluorozirconate nanocrystallites are embedded in a phosphate glass matrix.
ISSN:0022-3093
1873-4812
DOI:10.1016/j.jnoncrysol.2020.120329