Structure and Crystallization of Glasses in the MnNbOF5–BaF2–InF3 System


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Abstract

Glasses of the MnNbOF5–BaF2–InF3 system were prepared. The structure, thermal behavior, and crystallization of these glasses were studied by IR and Raman spectroscopy, differential scanning calorimetry (DSC), X-ray powder diffraction, and microscopy. The \(\rm{NbO}_2\rm{F}_4^{3-}\) and \(\rm{InF}_6^{3-}\) ions form a mixed glass network. Glass crystallization occurs in one or two steps depending on the component ratio. The major crystal phases are Ba3In2F12 and BaNbOF5. The obtainability of transparent crystal-glass samples in MnNbOF5–BaF2–InF3 glasses via heat treatment is shown.

About the authors

L. N. Ignat’eva

Institute of Chemistry, Far-East Branch

Author for correspondence.
Email: ignatieva@ich.dvo.ru
Russian Federation, Vladivostok, 690022

N. N. Savchenko

Institute of Chemistry, Far-East Branch

Email: ignatieva@ich.dvo.ru
Russian Federation, Vladivostok, 690022

Yu. V. Marchenko

Institute of Chemistry, Far-East Branch; Far-East Federal University

Email: ignatieva@ich.dvo.ru
Russian Federation, Vladivostok, 690022; Vladivostok, 690950

G. A. Zverev

Institute of Chemistry, Far-East Branch

Email: ignatieva@ich.dvo.ru
Russian Federation, Vladivostok, 690022

V. M. Buznik

All-Russia Research Institute for Aviation Materials

Email: ignatieva@ich.dvo.ru
Russian Federation, Moscow, 105005

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