Chirality assignment of single-walled carbon nanotubes with strain

被引：63
|
作者：
Li, LJ [1 ]
Nicholas, RJ [1 ]
Deacon, RS [1 ]
Shields, PA [1 ]
机构：
[1] Univ Oxford, Dept Phys, Clarendon Lab, Oxford OX1 3PU, England
来源：
PHYSICAL REVIEW LETTERS | 2004年 / 93卷 / 15期
关键词：
D O I：
10.1103/PhysRevLett.93.156104
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Strain-induced band gap shifts that depend strongly on the chiral angle have been observed by optical spectroscopy in single-walled carbon nanotubes (SWCNTs). Uniaxial and torsional strains are generated by changing the environment surrounding the SWCNTs, using the surrounding D2O ice temperature or the hydration state of a wrapping polymer. These methods are used as diagnostic tools to determine the quantum number q and examine chiral vector indices for specific nanotubes.
引用
收藏
页码：156104 / 1
页数：4
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