Elastic and Piezoelectric Properties of High-Quality Ferroelectric Bi4Ti3O12 Single Crystals

被引：0
作者：
Kitanaka, Yuuki [1 ]
Noguchi, Yuji [1 ]
Miyayama, Masaru [1 ]
Kagawa, Yutaka [1 ]
机构：
[1] Univ Tokyo, Res Ctr Adv Sci & Technol, Meguro Ku, Tokyo 1538904, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2012年 / 51卷 / 09期
关键词：
BISMUTH TITANATE; CERAMICS; GROWTH; ORIENTATION; FILMS;
D O I：
10.1143/JJAP.51.09LD08
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Piezoelectric properties of ferroelectric Bi4Ti3O12 (BiT) single crystals have been investigated by a resonance-antiresonance method. Large and high-quality single crystals of BiT were obtained via top-seeded solution growth under a high oxygen pressure of 0.9 MPa. The elastic and piezoelectric constants in the (11), (12), (13), and (26) modes for BiT single crystals have been determined for the first time. It is shown that BiT has a large d(26) constant of 79 pC/N and a large k(26) factor of 40%, indicating that BiT is a promising ferroelectric material for application to shear-mode piezoelectric devices. (c) 2012 The Japan Society of Applied Physics
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