Effect of SiO2/Al2O3 Ratio on Crystallization and Dielectric Properties of Barium Strontium Titanate Glass-Ceramics

被引：15

作者：

Wang, X. ^{[1
]}

Zhang, Y. ^{[1
]}

Cui, L. ^{[1
]}

Baturin, I. S. ^{[2
]}

机构：

[1] Tsinghua Univ, Beijing Fine Ceram Lab, State Key Lab New Ceram & Fine Proc, Inst Nucl & New Energy Technol, Beijing 100084, Peoples R China

[2] Ural Fed Univ, Ferroelect Lab, Inst Nat Sci, Ekaterinburg 620000, Russia

来源：

FERROELECTRICS | 2013年 / 442卷 / 01期

基金：

中国国家自然科学基金; 俄罗斯基础研究基金会;

关键词：

Barium strontium titanate; network former; network modifier; dielectric properties; glass ceramics;

D O I：

10.1080/00150193.2013.778182

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effect of (SiO2Al2O3)-Al-/ ratio on crystallization and dielectric properties of barium strontium titanate (BST) glass-ceramics has been investigated by differential scanning calorimetry (DSC), X-ray diffractometry (XRD), Raman spectrometry, and dielectric measurements. The experimental results showed that appropriate SiO2/Al2O3 ratio promoted the crystallization of a ferroelectric BST phase and improved the dielectric properties of the BST glass-ceramics. These studies revealed that the Al2O3 not only served as a network former, but also acted as a network modifier, weakening the network. Additionally, the variation of the SiO2/Al2O3 ratio significantly influenced the dielectric properties of the BST glass-ceramics.

引用

页码：109 / 114

页数：6

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