Elastic, piezoelectric, and dielectric properties of high-quality KTa0.53Nb0.47O3 single crystal with tetragonal phase

被引：10

作者：

Meng, Xiangda ^{[1
]}

Tian, Hao ^{[1
]}

Hu, Chengpeng ^{[1
]}

Yang, Jingkai ^{[1
]}

Li, Li ^{[2
]}

Yang, Bin ^{[3
]}

Zhou, Zhongxiang ^{[1
]}

机构：

[1] Harbin Inst Technol, Dept Phys, Harbin 150001, Heilongjiang, Peoples R China

[2] Harbin Engn Univ, Coll Sci, Minist Educ, Key Lab In Fiber Integrated Opt, Harbin 150001, Heilongjiang, Peoples R China

[3] Harbin Inst Technol, Condensed Matter Sci & Technol Inst, Harbin 150001, Heilongjiang, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2019年 / 773卷

基金：

中国国家自然科学基金;

关键词：

KTN single crystals; Piezoelectric materials; Complete set of properties; Extrinsic contributions; POTASSIUM-TANTALATE-NIOBATE; TEMPERATURE-STABILITY; GROWTH; PERFORMANCE;

D O I：

10.1016/j.jallcom.2018.09.137

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this study, a large high-quality tetragonal KTa0.53Nb0.47O3 (KTN) single crystal of 18 x 18 x 35 mm(3) was grown by the top-seeded solution growth method. The complete sets of elastic, dielectric, and piezoelectric constants for the [001](C)-poled KTN single crystal with a macroscopic 4-mm system were confirmed via the combined resonance and pulse-echo ultrasonic methods. The values of the electromechanical coupling factors k(33) and k(t) were 0.690 and 0.618, respectively, similar to those of PZT5A. In addition, the orientation dependence of those properties was calculated via the tensor transformation method, and it was found that the maximum d(33) = 132 pC/N, S-3(3)E = 9.5 x 10(-12) m(2)/N, and k(33) = 0.69 occurred with the new z-axis oriented along [001](C). (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：21 / 26

页数：6

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