首页|Structural and Dielectrics Properties of (1-x)Pb(Fe_(2/3)W_(1/3))O_3-xPbTiO_3 Ceramics
Structural and Dielectrics Properties of (1-x)Pb(Fe_(2/3)W_(1/3))O_3-xPbTiO_3 Ceramics
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Trans Tech Publications Ltd
Electric and dielectric properties of (1-x)Pb(Fe2/3W(1/3)O_3-xPbTiO_3 solid solutions were investigated as a function of the frequency and temperature. Dielectric measurements over the temperature showed the presence three contributions, which were related to the ferro-paraelectric phase transition (around 180K) and to conductive contributions (in the range 200K- 700 k). The FE phase transition of Pb(Fe_(2/3)W_(1/3))O_3 (PFW) is shifted to higher temperatures by PbTiO_3 (PT) additions. Conductive contributions were associated to an electronic conductivity with activation energy around 0.45 - 0.55 eV.
multiferroicsferroelectricsPFW
Jose Antonio Eiras、Barbara M. Fraygola、Ducinei Garcia
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Grupo de Ceramicas Ferroeletricas, Departamento de fisica, Universidade Federal de Sao Carlos
NETL
NSTL
Trans Tech Publications Ltd
