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Percolation-like approach to resistivity behaviour of glassforming ionic melts

Author

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  • Machavariani, V.Sh
  • Voronel, A

Abstract

The Vogel–Fulcher equation (and percolation approach) predicts an infinite resistivity below the “ideal” glassification point T0 (correspondingly- percolation threshold). However, the ions still preserve a noticeable mobility within the real glasses even below T0. To model the finite resistivity in glass a resistance Rmax of a broken bond is introduced. The ratio of Rmax/Rmin in real glasses is about 1014 and 1/Rmax might be identified with a probability of tunnelling process. The comparison of calculations’ result (with Rmax/Rmin=107 or 109) with our data on CKN is encouraging.

Suggested Citation

  • Machavariani, V.Sh & Voronel, A, 1999. "Percolation-like approach to resistivity behaviour of glassforming ionic melts," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 266(1), pages 430-433.
    • Handle: RePEc:eee:phsmap:v:266:y:1999:i:1:p:430-433
    DOI: 10.1016/S0378-4371(98)00626-8
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