Dielectric Properties and Impedance Spectroscopy of Pb(Mg1/3Nb2/3)O3 Ceramics Prepared by Ultrahigh Pressure Sintering
Journal of Materials Engineering and Performance(2023)
Abstract
Perovskite Pb(Mg1/3Nb2/3)O3 (PMN) powder was synthesized by a hydrothermal route, and then, dense PMN ceramics with sub-micrometer grains were prepared by ultrahigh pressure sintering. The dielectric response and impedance spectroscopy was investigated in the temperature range of − 50-200 °C and the frequency range of 100 Hz-1 MHz. The sintered PMN ceramics had an average size of 0.4 μm and a relative density of greater than 98
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Key words
dielectric properties,impedance spectroscopy,PMN ceramics,relaxation characteristics,ultrahigh pressure sintering
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