Electron transport in thin graphite films: Influence of microfabrication processes

Takuya Moriki, Akinobu Kanda, Takashi Sato, Hisao Miyazaki, Shunsuke Odaka, Youiti Ootuka, Yoshinobu Aoyagi, Kazuhito Tsukagoshi

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

We experimentally investigated electron transport in thin graphite films including tens of graphene layers. The samples were fabricated by mechanical peeling of graphite, e-beam lithography, metal deposition and lift-off. For some samples, Ar-ion bombardment was carried out prior to the metal deposition to enhance the electrical transparency of the contacts. We found that the Ar-ion bombardment significantly deteriorate the samples; the electron transport changes from the semimetallic behavior to the weak-localization behavior.

Original languageEnglish
Pages (from-to)241-244
Number of pages4
JournalPhysica E: Low-Dimensional Systems and Nanostructures
Volume40
Issue number2
DOIs
Publication statusPublished - 2007 Dec
Externally publishedYes

Keywords

  • Graphene
  • Graphite
  • Universal conductance fluctuation
  • Weak localization

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics

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