Dielectric Relaxation in Oxide Glasses
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概要
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Dielectric relaxation spectra of lithia-containing silicate glasses and V<SUB>2</SUB>O<SUB>5</SUB>–P<SUB>2</SUB>O<SUB>5</SUB> glasses respectively have been analysed using a heterophase conductor model developed recently. The model considers the glass as comprising diagonal layers of phases having widely different electrical conductivities. The conducting phase is assumed to have a local conductivity varying sinusoidally with the spatial co-ordinate. Excellent agreement between the experimental data and the theoretical values have been obtained over a broad frequency spectrum. The Kohlrausch-Williams-Watts (KWW) exponent has also been estimated for all the glasses. The exponent appears to be related to the conductivity fluctuation—a higher value of the latter leading a lower value of and vice versa.
- 公益社団法人 応用物理学会の論文
公益社団法人 応用物理学会 | 論文
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