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

页码：156104 / 1

页数：4

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