Fabrication and characterization of PZT-PMnN-PSbN ceramics doped with ZnO
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Keywords

perovskite
ceramics
PZT–PMnN–PSbN
diffuse phase transition
ColeCole analyses

How to Cite

1.
Tho NT, Vuong LD. Fabrication and characterization of PZT-PMnN-PSbN ceramics doped with ZnO. HueUni-JNS [Internet]. 2020Jun.30 [cited 2021Mar.9];129(1D):5-13. Available from: http://jos.hueuni.edu.vn/index.php/HUJOS-NS/article/view/5771

Abstract

The effect of the ZnO addition to the pure perovskite PZT-PMnN-PSbN ceramics sintered at 950–1200 °C was investigated. The phase structure of ceramics changes from rhombohedral to tetragonal, and the sintering temperature decreases with the increase of the ZnO content. The limited Zn2+ concentration for its solubility in PZT–PMnN–PSbN systems is about 0.25% wt. At this concentration, the ceramic exhibits a density of 8.20 g/cm3 and dielectric constants of 1,555 for εr and 32,900 for εmax. The highest value of εmax (about 22,000) was found at 1 kHz at Tm around 575 K. The diffuse phase transition was determined by using the extended Curie-Weiss law. Cole-Cole analyses show the non-Debye-type relaxation in the system.

https://doi.org/10.26459/hueuni-jns.v129i1D.5771
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