Effects of CaO on crystallization properties in BaO-SrO-TiO2-SiO2 glass-ceramics

被引：9

作者：

Duan, Fei ^{[1
]}

机构：

[1] Nanyang Technol Univ, Div Thermal & Fluids Engn, Sch Mech & Aerosp Engn, Singapore 639798, Singapore

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2011年 / 357卷 / 05期

关键词：

Glass-ceramics; Optical properties; Piezoelectric properties; Grain growth; CRYSTAL ORIENTATION DEPENDENCE; PIEZOELECTRIC PROPERTIES; COORDINATION; BA2TISI2O8; BA2TIGE2O8;

D O I：

10.1016/j.jnoncrysol.2011.01.011

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：

The role of calcium oxide (CaO) was investigated in the crystallization of BaO-SrO-TiO2-SiO2 glass. The CaO dopant altered the oriented growth facets cif crystal unit cells in the glass-ceramics. The crystallites are acicular in micron scale in the samples having as small as 1% CaO dopant, but are long granular in the nanometer scale in the sample without CaO. The glass-ceramics which have nano crystallites are observed with a less crystallization density qualitatively, a higher transmissivity in the wavelength range of 200-2600 nm, and 30% lower piezoelectric coefficient, d(33), at 9.5 +/- 0.3 pC/N than those glass-ceramics having CaO in the study. (C) 2011 Elsevier BM. All rights reserved.

引用

页码：1494 / 1497

页数：4

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