Czochralski growth and characterization of piezoelectric single crystals with langasite structure:: La3Ga5SiO14 (LGS), La3Ga5.5Nb0.5O14 (LCN) and La3Ga5.5Ta0.5O14 (LGT) II.: Piezoelectric and elastic properties

被引：190

作者：

Bohm, J

Chilla, E

Flannery, C

Fröhlich, HJ

Hauke, T

Heimann, RB

Hengst, M

Straube, U

机构：

[1] Freiberg Univ Min & Technol, Dept Mineral, D-09596 Freiburg, Germany

[2] Paul Drude Inst Solid State Elect, Berlin, Germany

[3] Univ Halle Wittenberg, Dept Phys, Halle, Germany

来源：

JOURNAL OF CRYSTAL GROWTH | 2000年 / 216卷 / 1-4期

关键词：

D O I：

10.1016/S0022-0248(00)00440-1

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Mass densities, relative dielectric constants, and piczoelectric material parameters were determined on single crystals of LGS, LGN, and LGT grown with high structural perfection by the Czochralski technique. Optimized values of the elastic stiffnesses and elastic compliances were derived by measuring and critically comparing the propagation velocities of both bulk (BAW) and surface acoustic waves (SAW). (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：293 / 298

页数：6

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