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Threshold behaviour in the nonisothermal properties of Ge-Sb-Se glasses

Srinivasan, A and Madhusoodanan, KN and Ganesan, R and Gopal, ESR (1992) Threshold behaviour in the nonisothermal properties of Ge-Sb-Se glasses. In: Physics and Chemistry of Glasses, 33 (5). pp. 206-208.

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Official URL: http://www.ingentaconnect.com/content/sgt/pcg

Abstract

Differential scanning calorimetry studies have been performed on GexSb5Se95-x (12.5≤x≤35) and GexSb10Se90-x (10≤x≤32.5) glasses. The observed dependence of the glass transition temperature on the mean coordination number <r> up to <r>=2.60 and the maxima in the glass transition temperature and the activation energy of crystallisation at <r>=2.65 have been interpreted in terms of the mechanical and chemical thresholds occuring near these compositions.

Item Type: Editorials/Short Communications
Additional Information: Copyright of this article belongs to Society of Glass Technology.
Keywords: Glass;Chalcogenides;Differential scanning calorimetry; Property composition relationship;Glass transitiont temperature;Activation energy;Crystallization;Physical properties;Thermodynamic properties.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 30 May 2011 05:17
Last Modified: 30 May 2011 05:17
URI: http://eprints.iisc.ernet.in/id/eprint/37842

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