Domain size effect in Pb(Mg1/3Nb2/3)O3-0.30PbTiO3 crystals: An autocorrelation transform approach

被引：0
作者：
Liu, Manman [1 ]
Fan, Jinhui [2 ]
Dong, Yanzhe [1 ]
Zhang, Rui [2 ]
Yang, Bin [2 ]
Cao, Wenwu [2 ,3 ]
Lu, Xiaoyan [1 ]
机构：
[1] Harbin Inst Technol, Sch Civil Engn, Harbin 150001, Peoples R China
[2] Harbin Inst Technol, Funct Mat & Acousto Opt Instruments Inst, Sch Instrumentat Sci & Engn, Harbin 150080, Peoples R China
[3] Penn State Univ, Mat Res Inst, University Pk, PA 16802 USA
来源：
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2025年 / 45卷 / 13期
基金：
美国国家科学基金会;
关键词：
Domain size; Autocorrelation transform approach; Alternating current poling (ACP); Piezoelectric performance; SINGLE-CRYSTALS; VOLTAGE;
D O I：
10.1016/j.jeurceramsoc.2025.117449
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Piezoelectric performance of relaxor ferroelectric crystals is closely related to the domain size and microstructure. This work uses autocorrelation analysis to study the domain size of direct current poling (DCP) and alternating current poling (ACP) PMN-0.30PT crystals with [001]-oriented rhombohedral (R) strip domain structures. The average horizontal domain size (HDS) shows good agreement with the short-range correlation lengths <xi> for the polarizing light microscopy (PLM) images. Domain size was controlled by ACP frequency, with the optimal conditions determined from the scaling relationship extracted from the dynamic hysteresis loops. The piezoelectric coefficient d(33) of the [001]-poled PMN-0.30PT crystals under an optimal ACP (5 kV(rms)/cm, 10 Hz, 10 cycles) was 2740 pC/N with < xi> of 760 ( +/- 20) nm, which was 65 % higher than DCP (5 kV/cm, 5 min) with < xi> of 1170 ( +/- 50) nm, respectively. The new analysis method offers a quantitative assessment of domain sizes and its effect on the macro-performance.
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页数：9
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