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Dielectric properties of 1:1 ordered Pb(Mg1/3Ta2/3)O3ceramics

Authors
Journal
Journal of the European Ceramic Society
0955-2219
Publisher
Elsevier
Publication Date
Volume
25
Issue
12
Identifiers
DOI: 10.1016/j.jeurceramsoc.2005.03.094
Keywords
  • Dielectric Properties
  • Ferroelectric Properties
  • Perovskites
Disciplines
  • Chemistry

Abstract

Abstract Thermally induced coarsening of the chemically ordered domains in Pb(Mg 1/3Ta 2/3)O 3 (PMT) ceramics promotes the studying of dielectric behavior of the 1:1 B-cations ordered PMN-style complex perovskites. In this work, PMT ceramics with different degrees of chemical order were prepared, and their dielectric, and ferroelectric properties of disordered and ordered ceramics were studied as a function of temperature, frequency, and electrical field. It was found that the weak field relaxor nature is insensitive to the chemical order, whereas some non-linear behaviors showed ordering-degree dependence at the low temperature range.

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