Piezoelectric Property of PZT-based Relaxor-ferroelectric Ceramics Enhanced by Sm Doping

Chang DONG; Ruihong LIANG; Zhiyong ZHOU; Xianlin DONG

doi:10.15541/jim20210146

Journals >Journal of Inorganic Materials >Volume 36 >Issue 12 >Page 1270 > Article

Journal of Inorganic Materials
Vol. 36, Issue 12, 1270 (2021)

Piezoelectric Property of PZT-based Relaxor-ferroelectric Ceramics Enhanced by Sm Doping

Chang DONG^*, Ruihong LIANG, Zhiyong ZHOU, and Xianlin DONG

DOI: 10.15541/jim20210146 Cite this Article

Chang DONG, Ruihong LIANG, Zhiyong ZHOU, Xianlin DONG. Piezoelectric Property of PZT-based Relaxor-ferroelectric Ceramics Enhanced by Sm Doping[J]. Journal of Inorganic Materials, 2021, 36(12): 1270 Copy Citation Text

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. Surface and cross sectional SEM images and grain size distributions of ySm-0.25PMN-0.75PZT ceramics

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. XRD patterns of ySm-0.25PMN-0.75PZT ceramics

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. PFM phase images (2 μm×2 μm) of ySm-0.25PMN-0.75PZT ceramics

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. Temperature dependence of dielectric constant and dielectric loss of ySm-0.25PMN-0.75PZT ceramics (a) y=0, (b) y=0.4%, (c) y=0.8%, (d) y=1.2% @100 Hz-1 MHz; (e) y=0, 0.4%, 0.8%, 1.2%@1 kHz

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. P-E loops of ySm-0.25PMN-0.75PZT ceramics

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. Temperature dependences of dielectric constant of ySm-0.25PMN-0.75PZT@1 kHz from cryogenic temperature to room temperature

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. Temperature dependence of properties for 0.4%Sm- 0.25PMN-0.75PZT ceramics

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y	d₃₃/(pC·N^-1)	g₃₃/(×10^-3, m²·C^-1)	ε_r	tanδ	E_c/(kV·mm^-1)	P_r/(μC·cm^-2)	T_c@1kHz/℃	k_p	k_t	k₃₃
0	543	24.8	2475	0.028	0.77	42.5	199	0.58	0.41	0.67
0.4%	824	27.1	3434	0.032	0.80	38.7	178	0.67	0.52	0.77
0.8%	678	20.5	3744	0.039	0.88	27.2	156	0.59	0.46	0.70
1.2%	522	13.9	4239	0.041	0.76	24.9	144	0.43	0.33	0.52

Table 1. Comprehensive property of ySm-0.25PMN-0.75PZT ceramics

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Ceramic	d₃₃/(pC·N^-1)	g₃₃/(×10^-3, m²·C^-1)	ε_r	T_c@1kHz/℃	Ref.
Sm-PMN-PT	1510	13.1	13000	89	[16]
PMN-PT	663	14.2	5260	159	[14]
PZT5H	590	19.6	3400	193	[36]
0.4%Sm-0.25PMN-0.75PZT	824	27.1	3434	177	This work

Table 2. Comparison of properties between ceramics in this work and literature

Chang DONG, Ruihong LIANG, Zhiyong ZHOU, Xianlin DONG. Piezoelectric Property of PZT-based Relaxor-ferroelectric Ceramics Enhanced by Sm Doping[J]. Journal of Inorganic Materials, 2021, 36(12): 1270

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