Specific features of the electrical properties upon smeared phase transitions in multicomponent ferropiezoelectric ceramics based on lead zirconate titanate |
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| Authors: | A I Burkhanov A V Shil’nikov Yu N Mamakov G M Akbaeva |
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| Institution: | (1) Volgograd State Architecture and Building Academy, Akademicheskaya ul. 1, Volgograd, 400074, Russia;(2) Research Institute of Physics, Rostov State University, pr. Stachki 194, Rostov-on-Don, 344090, Russia |
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| Abstract: | The reverse dependences of the permittivity ? r ′ (E =) and the polarization and depolarization currents in multicomponent ferropiezoelectric ceramics based on lead zirconate titanate (PZT) are investigated over a wide range of temperatures. The results obtained make it possible to separate the effects associated with the phase transformation and the effects predominantly caused by the switching of the domain structure in the studied material. The assumption is made that two smeared phase transitions occur in the system under consideration. |
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