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Piezoelectric parameters and impedance analysis of sol gel processed Ce-doped BaTi0.97Y0.03O3 ceramics

Journal of Ceramic Processing Research
약어 : J. Ceram. Process. Res.
2020 vol.21, no.2, pp.233 - 239
DOI : 10.36410/jcpr.2020.21.2.233
발행기관 : 한양대학교 청정에너지연구소
연구분야 : 재료공학
Copyright © 한양대학교 청정에너지연구소
176 회 열람

A series of Ce-doped BaTi0.97Y0.03O3 powder samples with the composition (Ba1-xCex)(Ti(0.97-x/4)Y0.03)O3 (x = 0.00, 0.01, 0.03, 0.05,0.07 and 0.09) were prepared using the sol gel process and calcined at a relatively low temperature (950°C/4h) and theirstructural and piezoelectric properties investigated. From structural investigations, it was observed that the samples crystallizein the pseudo cubic phase with the presence of secondary phases for concentrations such as x > 0.03. Piezoelectric parameterswere determined and their thermal behavior investigated. The impedance study indicated the dominance of the resistance ofthe grain boundaries compared to that of grains in BaTi0.97Y0.03O3 sample.

Sol gel process, Ce-doped BaTi0.97Y0.03O3, Piezoelectric properties, Complex impedance.

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