Uniaxial deformation of graphene Dirac cone on a vicinal SiC substrate

Kan Nakatsuji, Tsuguo Yoshimura, Fumio Komori, Kouhei Morita, Satoru Tanaka

研究成果: ジャーナルへの寄稿記事

13 引用 (Scopus)

抄録

Uniaxial deformation of the conical conduction band of single-layer graphene is investigated on a SiC(0001) substrate vicinal to the [11̄00] direction using angle-resolved photoemission spectroscopy. The substrate surface consists of highly anisotropic terraces with sub-10 nm width in the [11̄00] direction as confirmed by scanning tunneling microscopy and atomic force microscopy. Graphene covers all the substrate surface including the substrate steps. The substrate provides a unidirectional potential for the graphene on that. The group velocities of the conduction band at K points are reduced in the direction parallel to the strong potential modulation while they are unchanged in the perpendicular direction.

元の言語英語
記事番号195416
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
85
発行部数19
DOI
出版物ステータス出版済み - 5 9 2012

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Graphite
Graphene
Cones
cones
graphene
Substrates
Conduction bands
conduction bands
Scanning tunneling microscopy
Photoelectron spectroscopy
group velocity
scanning tunneling microscopy
Atomic force microscopy
photoelectric emission
Modulation
atomic force microscopy
modulation
Direction compound
spectroscopy

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

これを引用

Uniaxial deformation of graphene Dirac cone on a vicinal SiC substrate. / Nakatsuji, Kan; Yoshimura, Tsuguo; Komori, Fumio; Morita, Kouhei; Tanaka, Satoru.

:: Physical Review B - Condensed Matter and Materials Physics, 巻 85, 番号 19, 195416, 09.05.2012.

研究成果: ジャーナルへの寄稿記事

Nakatsuji, Kan ; Yoshimura, Tsuguo ; Komori, Fumio ; Morita, Kouhei ; Tanaka, Satoru. / Uniaxial deformation of graphene Dirac cone on a vicinal SiC substrate. :: Physical Review B - Condensed Matter and Materials Physics. 2012 ; 巻 85, 番号 19.
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