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1. Charge migration in Pb(Zr,Ti)[O.sub.3] ceramics and its relation to ageing, hardening, and softening

Author

Morozov, M.I. and Damjanovic, D.

Subjects
Niobium -- Electric properties, Semiconductor doping -- Analysis, Titanium -- Electric properties, Dielectrics -- Structure, Iron -- Electric properties, Physics
Abstract

A wide range of temperatures and frequencies at subswitching conditions were used to explore the dielectric response of hard (Fe-doped) and soft (Nb-doped) rhombohedral Pb[([Zr.sub.0.58][Ti.sub.0.42]).sub.1-x][Me.sub.x][O.sub.3] (Me = Fe or Nb) ceramics are reported. Strong ionic conductivity observed in hard samples which is absent in soft samples are in agreement with the dipolar mechanism of aging in hard materials and the absence of significant aging in soft materials.

Published
2010

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