2010
DOI: 10.1016/j.jallcom.2009.11.120
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Frequency–temperature response of Pb(Zr0.65−xCexTi0.35)O3 ferroelectric ceramics: Impedance spectroscopic studies

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Cited by 72 publications
(22 citation statements)
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“…The decrement of Z with rise in the value of temperature and frequency may be due to increase in ac conductivity with temperature and frequency. The merger of real part of impedance (Z ) for all temperatures in the high frequency region suggests a possible release of space charge and a consequent lowering of the barrier properties in the materials [30,31]. This behavior is almost similar for the prepared ceramics with different BaTiO 3 concentrations, the difference being that merging of the pattern at different temperatures starts at a lower frequency for different BaTiO 3 concentrations.…”
Section: Impedance Studiesmentioning
confidence: 79%
“…The decrement of Z with rise in the value of temperature and frequency may be due to increase in ac conductivity with temperature and frequency. The merger of real part of impedance (Z ) for all temperatures in the high frequency region suggests a possible release of space charge and a consequent lowering of the barrier properties in the materials [30,31]. This behavior is almost similar for the prepared ceramics with different BaTiO 3 concentrations, the difference being that merging of the pattern at different temperatures starts at a lower frequency for different BaTiO 3 concentrations.…”
Section: Impedance Studiesmentioning
confidence: 79%
“…Moreover, it also indicates the conductivity relaxation in the composites. Shifting of peaks towards higher frequency regime with increase in temperature indicates a thermally activated relaxation process in which charge carrier hopping with small polarons is dominated intrinsically for all compounds [48].…”
Section: Figures 7(a)-(c) Show the Variation Of Imaginary Part Of Elementioning
confidence: 98%
“…All samples show a loss peak and the peak position shifts to high frequency side and the peak value decreases with increasing temperature. This type of impedance spectrum is probably due to the presence of space charge in the sample and ensures the temperature dependent relaxation process [29]. The appearance of peak in the loss spectrum is an indication of the beginning of electrical relaxation in the material [28].…”
Section: Complex Impedance Spectrummentioning
confidence: 99%