High and low frequency Jonscher behaviour of an ionically conducting glass |
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| Authors: | P.G. Bruce |
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| Affiliation: | Inorganic Chemistry Laboratory, University of Oxford, South Parks Road, Oxford OX1 3QR, UK |
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| Abstract: | The ac conductivity of an ionically conducting glass, 0.4Ca(NO3)2:0.6KNO3, is reexamined. The data is seen to exhibit a Jonscher, power-law dependence on frequency; however, two power-law expressions are required to describe the ac response σ=G0+A1ωn1+A2ωn2. An explanation is advanced involving the formation of clusters within the glass on cooling. |
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