Effects of manganese addition on piezoelectric properties of the (K, Na, Li) (Nb, Ta, Sb)O3 lead-free ceramics

被引：39

作者：

Li, Enzhu ^{[1
]}

Kakemoto, Hirofumi ^{[1
]}

Wada, Satoshi ^{[1
]}

Tsurumi, Takaaki ^{[1
]}

机构：

[1] Tokyo Inst Technol, Fac Engn, Dept Inorgan Mat, Meguro Ku, Tokyo 1528552, Japan

来源：

JOURNAL OF THE CERAMIC SOCIETY OF JAPAN | 2007年 / 115卷 / 1340期

关键词：

lead-free; piezoelectric; ceramic; LF4; manganese; mechanical quality factor Q(m); SYSTEM;

D O I：

10.2109/jcersj.115.250

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：

Recently, it was reported that the alkaline niobate-based (K, Na, Li) (Nb, Ta, Sb) O-3 (LF4) perovskite ceramics showed excellent piezoelectric properties and has been regarded as a new candidate of lead-free piezoelectric materials. However, the effects of additives on the piezoelectric property of LF4 have not been studied intensively so far. In this study, the effect of MnCO3 addition to the LF4 was investigated. The sample showed a tetragonal phase at room temperature. The MnCO3-doping changed the LF4 to "hard" piezoelectric ceramics with an improvement of Q(m) from 26 to 73.

引用

页码：250 / 253

页数：4

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