Physical Properties of Fluoride Glasses for Ionics

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The ionic conductivity and permittivity of glasses based on ZrF4, BaF2, LaF3, AlF3 and NaF (ZBLAN) or PbF2, InF3, BaF2, AlF3 and LaF3 (PIBAL) are studied. The influence of the glass composition on the glass transition temperature (Tg) and on the crystallization temperature (Tx) is reported. For all ZBLAN glasses the temperature dependencies of the ionic conductivity are close one to another (s500 = 8(2)·10-6 S/cm) and their conduction activation enthalpies are equal to 0.82(1)eV. From the point of view of the ionic conductivity, the best glass compositions are the PIBAL50 (50 m/o PbF2) and PIB45 ( 45 m/o PbF2).

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Periodical:

Materials Science Forum (Volumes 480-481)

Edited by:

A. Méndez-Vilas

Pages:

299-304

DOI:

10.4028/www.scientific.net/MSF.480-481.299

Citation:

V. Trnovcová et al., "Physical Properties of Fluoride Glasses for Ionics", Materials Science Forum, Vols. 480-481, pp. 299-304, 2005

Online since:

March 2005

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$38.00

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