ORIGIN OF THE 1ST-SHARP DIFFRACTION PEAK IN THE STRUCTURE FACTOR OF COVALENT GLASSES

被引：351

作者：

ELLIOTT, SR

机构：

[1] Department of Chemistry, University of Cambridge, Cambridge

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 67卷 / 06期

关键词：

D O I：

10.1103/PhysRevLett.67.711

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A model is proposed for the "first sharp diffraction peak" (FSDP) in glasses. The FSDP is a chemical-order prepeak due to interstitial volume around cation-centered structural units. Calculated FSDP positions of some covalent glasses agree well with experiment, and the anomalous temperature and pressure dependences of the FSDP can be understood in terms of density effects.

引用

页码：711 / 714

页数：4

共 44 条

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