Characterization of graphene through anisotropy of constant-energy maps in angle-resolved photoemission

被引：136

作者：

Mucha-Kruczynski, M. ^{[1
]}

Tsyplyatyev, O. ^{[1
]}

Grishin, A. ^{[1
]}

McCann, E. ^{[1
]}

Fal'ko, Vladimir I. ^{[1
,2
]}

Bostwick, Aaron ^{[3
]}

Rotenberg, Eli ^{[3
]}

机构：

[1] Univ Lancaster, Dept Phys, Lancaster LA1 4YB, England

[2] Univ Orsay, LPS CNRS, F-91405 Orsay, France

[3] Lawrence Berkeley Natl Lab, Adv Light Source, Berkeley, CA 94720 USA

来源：

PHYSICAL REVIEW B | 2008年 / 77卷 / 19期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1103/PhysRevB.77.195403

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We theoretically show how constant-energy maps of the angle-resolved photoemission intensity can be used to test wave function symmetry in graphene. For monolayer graphene, we demonstrate that the observed anisotropy of angle-resolved photoelectron spectroscopy spectra is a manifestation of what has been recently branded as an electronic chirality. For bilayer graphene, we show that the anisotropy of the constant-energy maps may be used to extract information about the magnitude and sign of interlayer coupling parameters and about symmetry breaking inflicted on a bilayer by the underlying substrate.

引用

页数：12

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