Synthesis of nanocomposites based on MO-Bi2O3-B2O3 (M = Ca, Sr, Ba) glasses

被引：5

作者：

Egorysheva, A. V. ^{[1
]}

Volodin, V. D. ^{[1
]}

Skorikov, V. M. ^{[1
]}

Yurkov, G. Yu. ^{[2
]}

Sorokin, N. I. ^{[3
]}

机构：

[1] Russian Acad Sci, NS Kurnakov Gen & Inorgan Chem Inst, Moscow 119991, Russia

[2] Russian Acad Sci, Baikov Inst Met & Mat Sci, Moscow 119991, Russia

[3] Russian Acad Sci, AV Shubnikov Crystallog Inst, Moscow 119333, Russia

来源：

INORGANIC MATERIALS | 2010年 / 46卷 / 04期

关键词：

CRYSTALS; SYSTEM; CONDUCTIVITY; CERAMICS; PHASE;

D O I：

10.1134/S0020168510040205

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

This work examines the effect of KBF4 additions on the crystallization behavior of glasses based on the multicomponent systems MO-Bi2O3-B2O3 with M = Ca, Sr, and Ba. The glass-ceramic composites obtained contain a delta-Bi2O3-based crystalline phase with a crystallite size of a parts per thousand integral 7 nm, evenly distributed over the glass matrix. The 400A degrees C electrical conductivity of the nanocomposites reaches 2 x 10(-4) S/cm, and the activation energy is 1.1 eV, typical of anion conduction. These values are comparable to those reported for delta-Bi2O3 ceramics.

引用

页码：434 / 438

页数：5

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