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
收藏
页码：434 / 438
页数：5
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