Development of a system for measuring the complex impedance of borosilicate glasses at high pressures and temperatures

Application to the study of Li- and Na-doped borosilicate glasses

Simon M. Clark*, Raymond L. Jones, Mark Jackson, C. Michael B Henderson, Steven Parry, Berwyn Varney

*Corresponding author for this work

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

An apparatus for measuring the complex impedance of samples with high impedances is described. Complex impedance spectra were collected from a range of borosilicate glasses of composition (B2O3)4(Li2O)(LiBr)x(NaBr)1-x at pressures and temperatures ranging from 1 to 5 GPa and 350 to 450 °C, respectively. These data were used to determine AC conductivities and activation energies in order to test the Modified Random Network model of glass structure. Our results are in line with the predictions of this theory.

Original languageEnglish
Pages (from-to)2168-2171
Number of pages4
JournalJournal of Physics and Chemistry of Solids
Volume69
Issue number9
DOIs
Publication statusPublished - Sep 2008
Externally publishedYes

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