Raman spectroscopy of magneto-phonon resonances in graphene and graphite

被引：26

作者：

Goler, Sarah ^{[1
,2
]}

Yan, Jun ^{[3
]}

Pellegrini, Vittorio ^{[1
,2
]}

Pinczuk, Aron ^{[4
,5
]}

机构：

[1] NEST CNR Ist Nanosci, Rome, Italy

[2] Scuola Normale Super Pisa, Pisa, Italy

[3] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

[4] Columbia Univ, Dept Phys, New York, NY 10027 USA

[5] Columbia Univ, Dept Appl Phys & Appl Math, New York, NY USA

来源：

SOLID STATE COMMUNICATIONS | 2012年 / 152卷 / 15期

基金：

美国国家科学基金会;

关键词：

Graphene; Graphite; Raman spectroscopy; Magneto-phonon resonance; FIELD; DOPANTS;

D O I：

10.1016/j.ssc.2012.04.020

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The magneto-phonon resonance or MPR occurs in semiconductor materials when the energy spacing between Landau levels is continuously tuned to cross the energy of an optical phonon mode. MPRs have been largely explored in bulk semiconductors, in two-dimensional systems and in quantum dots. Recently there has been significant interest in the MPR interactions of the Dirac fermion magnetoexcitons in graphene, and a rich splitting and anti-crossing phenomena of the even parity E-2g long wavelength optical phonon mode have been theoretically proposed and experimentally observed. The MPR has been found to crucially depend on disorder in the graphene layer. This is a feature that creates new venues for the study of interplays between disorder and interactions in the atomic layers. We review here the fundamentals of MRP in graphene and the experimental Raman scattering works that have led to the observation of these phenomena in graphene and graphite. (c) 2012 Elsevier Ltd. All rights reserved.

引用

页码：1289 / 1293

页数：5

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