The formation, annealing and self-compression of carbon onions under electron irradiation

被引：157
|
作者：
Banhart, F
Fuller, T
Redlich, P
Ajayan, PM
机构：
[1] Max-Planck-Inst. fur Metallforschung, D-70569 Stuttgart
[2] Rensselear Polytechnic Institute, Troy
来源：
CHEMICAL PHYSICS LETTERS | 1997年 / 269卷 / 3-4期
关键词：
D O I：
10.1016/S0009-2614(97)00269-8
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：
Electron irradiation-induced basal plane disordering in single- and multi-shell carbon nanotubes and onions is found to be inhibited at irradiation temperatures above 300 degrees C. Irradiation-induced defects anneal out due to the thermally activated migration of interstitials at elevated temperatures and leave behind perfectly coherent shells of high tensile stability. Continuous loss of atoms as a result of sputtering induces a surface tension which can be identified as the origin of the formation and self-compression of spherical concentric-shell carbon onions.
引用
收藏
页码：349 / 355
页数：7
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