Raman spectra of out-of-plane phonons in bilayer graphene

被引：60

作者：

Sato, Kentaro ^{[1
]}

Park, Jin Sung ^{[2
]}

Saito, Riichiro ^{[1
]}

Cong, Chunxiao ^{[3
]}

Yu, Ting ^{[3
,4
]}

Lui, Chun Hung ^{[5
]}

Heinz, Tony F. ^{[5
]}

Dresselhaus, Gene ^{[6
]}

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

机构：

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

[2] Shinshu Univ, Fac Engn, Nagano 3808553, Japan

[3] Nanyang Technol Univ, Div Phys & Appl Phys, Sch Phys & Math Sci, Singapore 637371, Singapore

[4] Natl Univ Singapore, Dept Phys, Fac Sci, Singapore 117542, Singapore

[5] Columbia Univ, Dept Phys & Elect Engn, New York, NY 10027 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 | 2011年 / 84卷 / 03期

关键词：

WALL CARBON NANOTUBES; OPTICAL-ABSORPTION; GRAPHITE;

D O I：

10.1103/PhysRevB.84.035419

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The double resonance Raman spectra of the overtone of the out-of-plane tangential optical (oTO) phonon and of combinations of the LO, ZO, and ZA phonons with one another are calculated for bilayer graphene. In the case of the bilayer graphene, these Raman peaks are observed in the energy region between 1600 and 1800 cm(-1). We obtain results for both the fixed q = 0 and the dispersive q = 2k peaks of the overtones of the oTO phonon of bilayer graphene. We calculate the double resonance Raman spectra of the combination modes coming from the LO, iTO, LA, and iTA phonons in bilayer graphene. The calculated Raman peaks are compared with the experimental results.

引用

页数：5

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