Glass formation and structure in the V2O5Bi2O3Fe2O3 glasses

Glass formation V2O5Bi2O3Fe2O3 system was investigated by the roller-quenching method and low melting V2O5- and Bi2O3-rich glasses were obtained. Glasses were characterized by X-ray diffraction, differential thermal analysis (DTA), IR and Mössbauer spectroscopy. The glass transformation temperatur...

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Bibliographic Details
Published in:Journal of non-crystalline solids 1996-09, Vol.204 (2), p.141-150
Main Authors: Iordanova, R., Dimitriev, Y., Dimitrov, V., Kassabov, S., Klissurski, D.
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Disordered solids
Exact sciences and technology
Glasses
Physics
Structure of solids and liquids
crystallography
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Summary:Glass formation V2O5Bi2O3Fe2O3 system was investigated by the roller-quenching method and low melting V2O5- and Bi2O3-rich glasses were obtained. Glasses were characterized by X-ray diffraction, differential thermal analysis (DTA), IR and Mössbauer spectroscopy. The glass transformation temperature, Tg, varied between 270 and 442°C, and the crystallization temperature, Tx, was in the range of 342–550°C. Structural models for glasses of the V2O5Bi2O3Fe2O3 system are suggested on the basis of IR and Mössbauer spectral investigations. It was shown that the glasses posses [VO5], [VO4], [BiO6], [FeO6] and [FeO4] groups as basic structural units.
ISSN:0022-3093
1873-4812
DOI:10.1016/S0022-3093(96)00416-4