Enhanced piezoelectric properties of Lu2O3 doped BCTS ceramics with orthorhombic-tetragonal coexisting phase

被引：4

作者：

Yin, Ming ^{[1
]}

Wang, Zhen-Jie ^{[1
]}

Li, Peng ^{[1
]}

Hao, Ji-Gong ^{[1
]}

Li, Wei ^{[1
]}

Du, Juan ^{[1
]}

Li, Guo-Rong ^{[2
]}

Wang, Chun-Ming ^{[3
]}

Fu, Peng ^{[1
,3
]}

机构：

[1] Liaocheng Univ, Sch Mat Sci & Engn, Liaocheng 252059, Shandong, Peoples R China

[2] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China

[3] Shandong Univ, Sch Phys, Jinan 250100, Peoples R China

来源：

MATERIALS LETTERS | 2022年 / 311卷

基金：

中国国家自然科学基金;

关键词：

Ceramics; Piezoelectric property; Ferroelectrics; Structural; OXYGEN PARTIAL-PRESSURE;

D O I：

10.1016/j.matlet.2021.131543

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

xLu(2)O(3)-(1-x)Ba0.98Ca0.02Ti0.96Sn0.04O3 ceramics were synthesized by a solid-phase reaction method. XRD phase analysis reveals that all samples have perovskite structures with orthorhombic-tetragonal coexisting phases. Grain sizes decrease and become more uniform with increasing Lu2O3 contents. Piezoelectric coefficient d(33) increases with appropriate Lu2O3 contents and attains a peak value of 598 pC/N at molar ratio (x = 0.0050) of Lu2O3, the high value of piezoelectric coefficient for BaTiO3 based ceramics reported in recent years. d(33) of xLu(2)O(3)-(1-x)Ba0.98Ca0.02Ti0.96Sn0.04O3 ceramics at x = 0.0050 is 111% higher than that of pure BCTS ceramics. The maximum value of residual polarization P-r (10.2 mu C/cm(2)) also occurs at x = 0.0050, remarkably improving d(33) with appropriate Lu2O3 contents.

引用

页数：4

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