Probing the electronic structure of graphene near and far from the Fermi level via planar tunneling spectroscopy
Probing the electronic structure of graphene near and far from the Fermi level via planar tunneling spectroscopy
Scanning tunneling spectroscopy (STS) has yielded significant insight into the electronic structure of graphene and other two-dimensional (2D) materials. STS directly measures a fundamental and directly calculable quantity: single particle density of states (SPDOS). Due to experimental setup limitations, however, STS has been unable to explore 2D materials in ultrahigh …