Minimum fragility in GexSe80-xPb20 glasses

Rabinal, M. K. ; Sangunni, K. S. ; Gopal, E. S. R. ; Subramanyam, S. V. (1995) Minimum fragility in GexSe80-xPb20 glasses Physica B: Condensed Matter, 205 (3-4). pp. 403-407. ISSN 0921-4526

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Bulk GexSe80-xPb20 glasses, which show a change from p- to n-type conduction around x=21 at %, have been prepared by quenching the melt. The specific heat at constant pressure (Cp) has been measured for these glasses using a DSC. These glasses exhibit minima in a jump in specific heat (ΔCp) and the area under the peak at Tg at x=19 at %, where they show a minimum fragility. These results are discussed in the light of a chemical threshold in these glasses.

Item Type:Article
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ID Code:51453
Deposited On:28 Jul 2011 11:40
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