Article

Journal of Thermal Analysis and Calorimetry

, Volume 84, Issue 2, pp 409-412

Hysteresis in the β–α phase transition in silver iodide

  • Binner J. G. P. Affiliated withInstitute of Polymer Technology and Materials Engineering, Loughborough University
  • , Dimitrakis G. Affiliated withDepartment of Electrical and Electronic Engineering, Nottingham University
  • , Price D. M. Affiliated withInstitute of Polymer Technology and Materials Engineering, Loughborough University Email author 
  • , Reading M. Affiliated withDepartment of Chemical Sciences and Pharmacy, University of East Anglia
  • , Vaidhyanathan B. Affiliated withInstitute of Polymer Technology and Materials Engineering, Loughborough University

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Abstract

The nature of the β to α phase transition in silver iodide was investigated by conventional and modulated temperature DSC and dielectric property measurements. On cooling, the high temperature phase remained stable 2.5°C below its normal transition temperature even at a very slow cooling rate 0.2°C h–1. Dielectric property measurements under conventional and microwave heating suggested an anomalous effect of the latter on the β to α phase transition in this material.

Keywords

AgI dielectric properties microwave effect phase transition temperature