Volume 108, Number 3, November 2014
|Number of page(s)||5|
|Section||Condensed Matter: Structural, Mechanical and Thermal Properties|
|Published online||03 November 2014|
Ion dynamics in glassy ionic conductors: Scaling of mean square displacement of mobile ions
Department of Solid State Physics, Indian Association for the Cultivation of Science Jadavpur, Kolkata 700032, India
Received: 23 July 2014
Accepted: 12 October 2014
In this letter, we present for the first time a new scaling for the mean square displacement of mobile ions in glasses. We have obtained time-dependent mean square displacement of mobile ions by mapping the frequency-dependent conductivity into time domain. We have obtained a universal scaling for the mean square displacement of mobile ions for silver phosphate glasses. The present scaling for the mean square displacement is consistent with the scaling of the conductivity spectra and is supported by the structural features.
PACS: 66.30.hh – Glasses / 66.30.H- – Self-diffusion and ionic conduction in nonmetals
© EPLA, 2014
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