期刊
JOURNAL OF NON-CRYSTALLINE SOLIDS
卷 435, 期 -, 页码 40-47出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jnoncrysol.2015.12.020
关键词
Glass; Structure; 2D network; Oxide thin film; Silica; Amorphous
资金
- Alexander von Humboldt foundation
The random network theory has been the long-accepted structural model for silica glasses. Now, a large bilayer silica sheet that was recently imaged with STM in atomic resolution provides the opportunity for real space structure analysis. General patterns in the formation of amorphous structures may be identified by looking at larger building blocks beyond single rings. Assessments of ring arrangements around each Si atom and ring neighborhoods are compared against uncorrelated structure predictions. A theoretical model of a two-dimensional silica network is investigated in parallel. Significant deviations of the observed structures from the uncorrelated prediction correspond qualitatively with a simple geometric approximation for bond angle frustration. (C) 2016 Elsevier B.V. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据