Investigating the physical meanings of diffused phase transition models

Cheng Shong Hong, Sheng Yuan Chu, Cheng Che Tsai, Wen Chang Su

研究成果: Article

5 引文 斯高帕斯(Scopus)

摘要

The empirical laws, ε = εm/[1 + (T - T m)γ/2σ2] and ε = εm/{1 + [(T - Tm)/Δ]ξ}, proposed by Burfoot et al. and Eiras et al. are usually used to describe the dielectric diffused characteristics of relaxor ferroelectric materials. In this study, we continue our previous work to present the physical and mathematical meanings of the parameters in these laws. Based on the experimental results in the (1 - x)Pb(Fe2/3W1/3)O3-xPbTiO3 relaxor system and theoretical modelling analysis, it is shown that the law proposed by Eiras is more suitable to explain the behaviour of both more complete relaxor systems and incomplete relaxor systems.

原文English
頁(從 - 到)2216-2220
頁數5
期刊Journal of Alloys and Compounds
509
發行號5
DOIs
出版狀態Published - 2011 二月 3

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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