Volume 104, Number 5, December 2013
|Number of page(s)||6|
|Section||Condensed Matter: Structural, Mechanical and Thermal Properties|
|Published online||24 December 2013|
Glass-crystal transition in silver-iodide–doped silver selenomolybdate glasses
Department of Solid State Physics, Indian Association for the Cultivation of Science Jadavpur, Kolkata 700032, India
(b) email@example.com (corresponding author)
Received: 12 September 2013
Accepted: 1 December 2013
In this paper, we have studied the isothermal and non-isothermal glass-crystal transition in AgI-doped silver selenomolybdate glasses using differential scanning calorimetry. We have observed a strong dependence of AgI on the glass-crystal transition of these glasses. The activation energy for the crystallization and the dimensionality of the crystal growth for the isothermal and non-isothermal crystallization processes have been determined. The dimensionality of the crystal growth depends strongly on the AgI content and intriguingly shows different behavior when compared for isothermal and non-isothermal cases. For the present glass system the John-Mehl-Avrami model describes well the isothermal crystallization kinetics, while the Sestak-Berggren model is more suitable to describe the non-isothermal crystallization kinetics for glass-crystal transformation.
PACS: 61.43.Fs – Glasses / 64.70.kj – Glasses / 65.60.+a – Thermal properties of amorphous solids and glasses: heat capacity, thermal expansion, etc.
© EPLA, 2013
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