Effect of (Sr, Ba) substitution in La3Ga5SiO14 and La3M0.5Ga5.5O14 (M = Nb5+, Ta5+) crystals on their synthesis, structure and piezoelectricity

被引：27
作者：
Takeda, H [1 ]
Kato, T
Chani, VI
Morikoshi, H
Shimamura, K
Fukuda, T
机构：
[1] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
[2] Tohoku Univ, Interdisciplinary Res Ctr, Sendai, Miyagi 9808578, Japan
[3] TDK Corp, Mat Res Ctr, Chiba 2728558, Japan
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 1999年 / 290卷 / 1-2期
关键词：
lanthanum gallates; alkali-earth substitution; single crystal growth; cation distribution; piezoelectric;
D O I：
10.1016/S0925-8388(99)00203-0
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：
Alkali-earth ion (Sr, Ba) substituted La3Ga5SiO14, and La(3)M(0.5)G(5.5)O(14) (M=Nb5+,Ta5+) compounds were synthesized by solid state reaction. Sr-substituted La3Ta0.5Ga5.5O14 (Sr-LTG) single crystals were grown by the micro-pulling down and Czochralski techniques. The cation distribution in Sr-LTG has been determined by X-ray structure analysis. Some piezoelectric properties of Sr-LTG crystal are reported and compared with those of pure La3Ta0.5Ga5.5O14. (C) 1999 Elsevier Science S.A. All rights reserved.
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页码：79 / 84
页数：6
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