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Crystallization kinetics of bulk amorphous Se80−xSbxTe20

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Abstract

Crystallization kinetics of the Se80−xSbxTe20 (0⩽x⩽9) alloys have been studied using differential scanning calorimetry. The activation energies for the glass transition and that for crystallization have been determined from the heating rate dependence of the glass transition temperature and the peak crystallization temperature. The results have been analysed using the modified Kissinger's and Matusita's equations for the non-isothermal crystallization of materials. The variation of glass transition temperature with composition suggests that a small amount of Sb (⩽ 4 at %) leads to an increase in the chain length of Se-Te, whereas further increase in Sb atomic per cent increases the number of Se-Te chains in the alloys.

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  1. Department of Electronic Science, University of Delhi South Campus, Benito Juarez Road, 110021, New Delhi, India

    R. M. Mehra, G. Kaur & P. C. Mathur

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  1. R. M. Mehra
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  2. G. Kaur
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  3. P. C. Mathur
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Mehra, R.M., Kaur, G. & Mathur, P.C. Crystallization kinetics of bulk amorphous Se80−xSbxTe20 . J Mater Sci 26, 3433–3437 (1991). https://doi.org/10.1007/BF00557128

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