Two contributions to the ac conductivity of alkali oxide glasses

David L. Sidebottom, P. F. Green, R. K. Brow

Research output: Contribution to journalArticle

109 Citations (Scopus)

Abstract

Although the frequency dependent conductivity of ion-containing glasses often displays scale invariant power law dispersion at high temperatures, the exponent increases to unity at lower temperatures. We report measurements of the conductivity of a series of alkali metaphosphate glasses including a mixed alkali composition and demonstrate that this temperature dependence results from the superposition of two power law dispersions originating from separate mechanism, and does not indicate any intrinsic change in scaling of the process which dominates at high temperatures.

Original languageEnglish
Pages (from-to)5068-5071
Number of pages4
JournalPhysical Review Letters
Volume74
Issue number25
DOIs
StatePublished - 1995

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alkalies
conductivity
oxides
glass
unity
exponents
scaling
temperature dependence
ions

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Two contributions to the ac conductivity of alkali oxide glasses. / Sidebottom, David L.; Green, P. F.; Brow, R. K.

In: Physical Review Letters, Vol. 74, No. 25, 1995, p. 5068-5071.

Research output: Contribution to journalArticle

Sidebottom, David L. ; Green, P. F. ; Brow, R. K. / Two contributions to the ac conductivity of alkali oxide glasses. In: Physical Review Letters. 1995 ; Vol. 74, No. 25. pp. 5068-5071.
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