Structural changes induced by Fe2O3 addition to 4Bi2O3•PbO glass matrix

被引：12
|
作者：
Simon, V [1 ]
Pop, R
Chiuzbaian, SG
Neumann, M
Coldea, M
Simon, S
机构：
[1] Univ Babes Bolyai, Fac Phys, R-3400 Cluj Napoca, Romania
[2] Tech Univ Construct, Bucharest, Romania
[3] Univ Osnabruck, Dept Phys, D-49069 Osnabruck, Germany
来源：
MATERIALS LETTERS | 2003年 / 57卷 / 13-14期
关键词：
structural change; 4Bi(2)O(3)center dot PbO glass matrix; Fe2O3; addition;
D O I：
10.1016/S0167-577X(02)00711-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Density measurements, molar volume data, DTA analyses and XPS results on xFe(2)O(3).(100-x)[4Bi(2)O(3).PbO] samples are presented in order to point out the effect of Fe2O3 addition to the lead-bismuthate matrix on the local order of this system. Fe2O3 acts as network modifier and determines by progressive addition the increase of the Structural volume difference between the hypothetical crystalline compounds and the quenched samples. The glass transition temperature also increases with Fe2O3 content. The XPS data indicate the migration of the metallic elements to the interior of the bulk-investigated samples. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：2044 / 2048
页数：5
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