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Phase transitions in superionics as an example of a modified Pott's model

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Zeitschrift für Physik B Condensed Matter

Abstract

We proposed a theory of superionic conductors based on the properties of theq-state Pott's model. The strong first order transition of this model for largeq gives an explanation for the sudden release of the cations at the superionic transition. Using modified versions of the model, in which we destroy its symmetry, we find that depending on the parameters, we can have no transition, one first order transition or a first order transition followed (if the temperature increases) by a second order transition.

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Authors and Affiliations

  1. Laboratoire de Diélectriques, Faculté des Sciences, Batiment Mirande, F-21100, Dijon, France

    L. Godefroy

  2. Solid State Institute, Technion-Israel Institute of Technology, Haifa, Israel

    L. Benguigui

Authors
  1. L. Godefroy
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  2. L. Benguigui
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Godefroy, L., Benguigui, L. Phase transitions in superionics as an example of a modified Pott's model. Z. Physik B - Condensed Matter 42, 113–117 (1981). https://doi.org/10.1007/BF01319544

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  • DOI: https://doi.org/10.1007/BF01319544

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