Chirality-selective Raman scattering of the D mode in carbon nanotubes -: art. no. 121407

被引：120

作者：

Maultzsch, J ^{[1
]}

Reich, S ^{[1
]}

Thomsen, C ^{[1
]}

机构：

[1] Tech Univ Berlin, Inst Festkorperphys, D-10623 Berlin, Germany

来源：

PHYSICAL REVIEW B | 2001年 / 64卷 / 12期

关键词：

D O I：

10.1103/PhysRevB.64.121407

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We show that D-mode Raman scattering in single-walled carbon nanotubes is due to a double-resonant Raman process. The unusual shift of the D-mode frequency with excitation energy is even expected for a single nanotube. The magnitude of the shift and the D-mode frequency depend strongly on the tube's diameter and chirality. Only tubes with (n(1)-n(2))/3n integer contribute to the D-mode spectrum because of the particular electronic structure of carbon nanotubes.

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