Effect of Ti4+:Sn4+ ratio on the phase transition and electric properties of PLZST antiferroelectric ceramics
Source abstract
Abstract
PLZST antiferroelectric ceramics were synthesized by the modified coprecipitation method. Effect of variations in the Ti4+:Sn4+ ratio on phase and properties were evaluated. The XRD patterns show that with the increasing of Ti4+ content, the structure of ceramics changes from tetragonal phase to rhombohedral phase and this was certified by the P–E hysteresis loops. The temperature dependence of dielectric constant of the ceramics was measured. Low frequency dispersion at room temperature disappeared when the temperature increased and the variation of Tm is not linear with the content of Ti4+. These unusual behaviors had been interpreted.
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Research context
OpenAlex topics: Ferroelectric and Piezoelectric Materials · Acoustic Wave Resonator Technologies · Microwave Dielectric Ceramics Synthesis
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