Composition design rule for energy harvesting devices in piezoelectric perovskite ceramics

被引：16

作者：

Ahn, Cheol-Woo ^{[1
]}

Choi, Jong-Jin ^{[1
]}

Ryu, Jungho ^{[1
]}

Yoon, Woon-Ha ^{[1
]}

Hahn, Byung-Dong ^{[1
]}

Kim, Jong-Woo ^{[1
]}

Choi, Joon-Hwan ^{[1
]}

Park, Dong-Soo ^{[1
]}

机构：

[1] KIMS, Powder & Ceram Div, Funct Ceram Dept, Chang Won 641831, Gyeongnam, South Korea

来源：

MATERIALS LETTERS | 2015年 / 141卷

关键词：

Ceramics; Piezoelectric materials; MICROSTRUCTURE; TEMPERATURE; TITANATE;

D O I：

10.1016/j.matlet.2014.11.097

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A composition design rule is proposed for energy harvesting devices in piezoelectric perovskite ceramics. For energy harvesting devices, a piezoelectric voltage coefficient (g(33)) as well as a piezoelectric distortion constant (d(33)) must be considered, because a high d(3)3xg(33) value indicates a high energy density. It is suggested that a large d(33)xg(33) value can be obtained by tuning the magnitude of atomic weight ratio between A and B site (R-w=W-A/W-B) in ABO(3) perovskite ceramics in this study. In addition, the various compositions were prepared in order to confirm the effect of crystal structure and Rw on d(33)xg(33) value in piezoelectric perovskite materials. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：323 / 326

页数：4

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