Abstract

Inhomogeneity is an inherent nature of glass, which is the density and concentration fluctuation frozen at glass transition temperature. The inhomogeneity of the glass plays significant role in so called superionic conductor glasses (SIG), since the mobile ions seek to move through energetically favorable paths. The localization of mobile ions in SIG near the 2nd glass transition is a remaining issue, where the trapping, percolation and many‐body interactions are playing the roles. In order to investigate the trapping process in SIG, the authors have applied 109Ag NMR Hole‐Burning technique to AgI containing SIG glasses. By using this technique, the slowing down process of the site‐exchange rates between different sites were evaluated.

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