• 文献标题:   Unravelling the role of inelastic tunneling into pristine and defected graphene
  • 文献类型:   Article
  • 作  者:   PALSGAARD MLN, ANDERSEN NP, BRANDBYGE M
  • 作者关键词:  
  • 出版物名称:   PHYSICAL REVIEW B
  • ISSN:   2469-9950 EI 2469-9969
  • 通讯作者地址:   Tech Univ Denmark
  • 被引频次:   14
  • DOI:   10.1103/PhysRevB.91.121403
  • 出版年:   2015

▎ 摘  要

We present a first principles method for calculating the inelastic electron tunneling spectroscopy (IETS) on gated graphene. We reproduce experiments on pristine graphene and point out the importance of including several phonon modes to correctly estimate the local doping from IETS. We demonstrate how the IETS of typical imperfections in graphene can yield characteristic fingerprints revealing, e.g., adsorbate species or local buckling. Our results show how care is needed when interpreting scanning tunneling microscopy images of defects due to suppression of the elastic tunneling on graphene.