Fermi energy dependence of the G-band resonance Raman spectra of single-wall carbon nanotubes

被引：43

作者：

Park, J. S. ^{[1
,2
]}

Sasaki, K. ^{[3
]}

Saito, R. ^{[1
,2
]}

Izumida, W. ^{[1
,2
]}

Kalbac, M. ^{[4
]}

Farhat, H. ^{[5
]}

Dresselhaus, G. ^{[6
]}

Dresselhaus, M. S. ^{[7
,8
]}

机构：

[1] Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan

[2] CREST, Sendai, Miyagi 9808578, Japan

[3] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050044, Japan

[4] Acad Sci Czech Republic, J Heyrovsky Inst Phys Chem, CZ-18223 Prague 8, Czech Republic

[5] MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA

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

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

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

来源：

PHYSICAL REVIEW B | 2009年 / 80卷 / 08期

关键词：

carbon nanotubes; chirality; Fermi level; phonons; Raman spectra; SCATTERING;

D O I：

10.1103/PhysRevB.80.081402

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The Fermi energy dependence of the G-band resonance Raman spectra of single-wall carbon nanotubes (SWNTs) is calculated, including the Kohn anomaly effect for metallic tubes. The gate voltage dependence of the G-band Raman spectra for SWNTs shows chirality-dependent G(+)/G(-) spectra, reflecting their dependence on the eigenvector direction of the optical (LO and TO) phonon modes and the nanotube chirality.

引用

页数：4

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