Structure of bismuth borate glasses

被引：0

作者：

Stone, CE ^{[1
]}

Wright, AC

Sinclair, RN

Feller, SA

Affatigato, M

Hogan, DL

Nelson, ND

Vira, C

Dimitriev, YB

Gattef, EM

Ehrt, D

机构：

[1] Univ Reading, JJ Thomson Phys Lab, Reading RG6 6AF, Berks, England

[2] Coe Coll, Dept Phys, Cedar Rapids, IA 52402 USA

[3] Univ Chem Technol & Met, BU-1756 Sofia, Bulgaria

[4] Univ Jena, Otto Schott Inst, D-07743 Jena, Germany

来源：

PHYSICS AND CHEMISTRY OF GLASSES | 2000年 / 41卷 / 06期

关键词：

D O I：

暂无

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A neutron diffraction investigation of glasses in the Bi2O3-B2O3 system has been performed as a function of composition which confirms an earlier infrared study suggesting that BO4 tetrahedra are present throughout the glass formation range. The B-O bond length distribution is asymmetric and the fraction of fourfold coordinated boron atoms x(4), does not vary greatly (0.38 -0.48+/-0.07) over the range 31-67 mol% Bi2O3. There are indications that superstructural units may be present even at high Bi2O3 contents.

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页码：409 / 412

页数：4

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