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A. M. Zahra Centre de Thermodynamique et de Microcalorimetrie du Cnrs 26, Rue du 141Eme Ria F-13003 Marseille France

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C. Y. Zahra Centre de Thermodynamique et de Microcalorimetrie du Cnrs 26, Rue du 141Eme Ria F-13003 Marseille France

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M. Ganteaume Centre de Thermodynamique et de Microcalorimetrie du Cnrs 26, Rue du 141Eme Ria F-13003 Marseille France

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S. Rossignol Laboratoire de Chimie du Solide du Cnrs 351, Cours de la Liberation F-33405 Talence Cedex France

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B. Tanguy Laboratoire de Chimie du Solide du Cnrs 351, Cours de la Liberation F-33405 Talence Cedex France

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J. J. Videau Laboratoire de Chimie du Solide du Cnrs 351, Cours de la Liberation F-33405 Talence Cedex France

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J. Portier Laboratoire de Chimie du Solide du Cnrs 351, Cours de la Liberation F-33405 Talence Cedex France

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The glass forming ranges in the TeO2-AgO0.5 and TeO2-AgO0.5-AgI systems have been assessed for two cooling rates; results based on heat capacity and electrical conductivity measurements as well as derived from infrared spectroscopy are presented. The ternary glasses are excellent conductors due to the presence of Ag+ ions mainly supplied by AgI. The decrease in ΔCP with increasing AgI-content suggests the presence of AgI microdomains which are finely distributed and do not contribute to the configurational heat capacity change. Fast motion of Ag+ ions (low activation energy) occurs in the glassy matrix which shows slow structural relaxation (high activation barrier).

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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