Observations of the D-band feature in the Raman spectra of carbon nanotubes -: art. no. 073403

被引：205

作者：

Brown, SDM

Jorio, A

Dresselhaus, MS

Dresselhaus, G

机构：

[1] MIT, Dept Phys, Cambridge, MA 02139 USA

[2] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA

[3] MIT, Francis Bitter Natl Magnet Lab, Cambridge, MA 02139 USA

来源：

PHYSICAL REVIEW B | 2001年 / 64卷 / 07期

关键词：

D O I：

10.1103/PhysRevB.64.073403

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We examine the behavior of the D-band feature in the Raman spectra of single-walled carbon nanotube (SWNT) bundles, observed between 1250 and 1450 cm(-1), as a function of the laser excitation energy. We used three SWNT samples with different diameters, and show that the D-band behavior of SWNTs differs from sp(2) carbons, depending on whether the SWNTs are metallic or semiconducting, and shows a frequency omega (D) that is dependent on nanotube diameter.

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页数：4

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