Issue |
EPL
Volume 95, Number 2, July 2011
|
|
---|---|---|
Article Number | 26002 | |
Number of page(s) | 5 | |
Section | Condensed Matter: Structural, Mechanical and Thermal Properties | |
DOI | https://doi.org/10.1209/0295-5075/95/26002 | |
Published online | 04 July 2011 |
Crystallization kinetics in selenium molybdate molecular glasses
Department of Solid State Physics, Indian Association for the Cultivation of Science Jadavpur, Kolkata 700032, India
Received:
3
May
2011
Accepted:
8
June
2011
We have investigated the isothermal and non-isothermal crystallization kinetics in molecular glasses in the system Ag2O-SeO2-MoO3 with different modifier (Ag2O) contents. We have observed a change from two-dimensional to three-dimensional crystallization with the increase of the modifier content. We have shown that John-Mehl-Avrami and Sestak-Berggren models give the best description of the isothermal and non-isothermal crystallization kinetics respectively for the glass-crystal transformation.
PACS: 64.70.kj – Glasses / 65.60.+a – Thermal properties of amorphous solids and glasses: heat capacity, thermal expansion, etc. / 61.43.Fs – Glasses
© EPLA, 2011
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