Group-theory analysis of electrons and phonons in N-layer graphene systems

被引：145

作者：

Malard, L. M. ^{[1
]}

Guimaraes, M. H. D. ^{[1
]}

Mafra, D. L. ^{[1
]}

Mazzoni, M. S. C. ^{[1
]}

Jorio, A. ^{[1
]}

机构：

[1] Univ Fed Minas Gerais, Dept Fis, BR-31270901 Belo Horizonte, MG, Brazil

来源：

PHYSICAL REVIEW B | 2009年 / 79卷 / 12期

关键词：

Brillouin zones; carbon; electron-phonon interactions; group theory; nanostructured materials; Raman spectra; RAMAN-SCATTERING; BAND-STRUCTURE;

D O I：

10.1103/PhysRevB.79.125426

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this work we study the symmetry properties of electrons and phonons in graphene systems as a function of the number of layers. We derive the selection rules for the electron-radiation interactions and for the electron-phonon interactions at all points in the Brillouin zone. By considering these selection rules, we address the double-resonance Raman-scattering process. The monolayer and bilayer graphenes in the presence of an applied electric field are also discussed.

引用

页数：8

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