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Effect of Nano‐Sized Y 2 O 3 Doping on the Electrical Properties of (Ba 0.90 Ca 0.10 )(Ti 0.9 Sn 0.1 )O 3 Ceramics
Author(s) -
Chen Zhihui,
Li Zhiwei,
Qiu Jianhua,
Zhao Tianxiang,
Zhu Keqin,
Ding Jianning,
Zhu Weiqin,
Xu Jiujun
Publication year - 2018
Publication title -
physica status solidi (a)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.532
H-Index - 104
eISSN - 1862-6319
pISSN - 1862-6300
DOI - 10.1002/pssa.201700417
Subject(s) - materials science , piezoelectricity , dielectric , sintering , nano , doping , ceramic , perovskite (structure) , analytical chemistry (journal) , mineralogy , diffraction , precipitation , crystallography , composite material , chemistry , physics , optoelectronics , chromatography , meteorology , optics
Well dispersed Y 2 O 3 nanoparticles are prepared by azeotropic co‐precipitation method. (Ba 0.90 Ca 0.10 )(Ti 0.9 Sn 0.1 )O 3 lead‐free piezoelectric ceramics doped with the nano‐sized Y 2 O 3 (BCTZY, x = 0.01–0.09%) are synthesized at 1460 °C for 2 h via solid‐state sintering method. X‐ray diffraction suggests typical perovskite structure of all the compositions. The addition of the nano‐Y 2 O 3 results in the improvement in dielectric and piezoelectric properties. The optimized piezoelectric properties is obtained at x = 0.01 with d 33 of 596 pC/N and K p of 57.1%, respectively.
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