Crystalline-Vitreous Interface in Two Dimensional Silica

被引：87
|
作者：
Lichtenstein, Leonid [1 ]
Heyde, Markus [1 ]
Freund, Hans-Joachim [1 ]
机构：
[1] Max Planck Gesell, Fritz Haber Inst, D-14195 Berlin, Germany
来源：
PHYSICAL REVIEW LETTERS | 2012年 / 109卷 / 10期
关键词：
TRANSMISSION ELECTRON-MICROSCOPY; MOLECULAR-DYNAMICS; SI-SIO2; INTERFACE; ATOMIC-STRUCTURE; MODEL; OXIDE; TRANSITION; SIMULATION; IMAGES; QUARTZ;
D O I：
10.1103/PhysRevLett.109.106101
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The interface between a crystalline and a vitreous phase of a thin metal supported silica film was studied by low temperature scanning tunneling microscopy. The locally resolved evolution of Si-Si nearest neighbor distances and characteristic angles was evaluated across the border. Furthermore, we investigated the behavior of the ring size distribution close to the crystalline-vitreous transition. The crystalline order was found to decay gradually within about 1.6 nm into the vitreous state.
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页数：5
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