Comparison of electronic structure between monolayer silicenes on Ag (111)

Chun-Liang Lin*, Ryuichi Arafune, Maki Kawai, Noriaki Takagi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

The electronic structures of monolayer silicenes (4 × 4 and √13 × √13R13.9°) grown on Ag (111) surface are studied by scanning tunneling spectroscopy (STS) and density functional theory (DFT) calculations. While both phases have similar electronic structures around the Fermi level, significant differences are observed in the higher energy unoccupied states. The DFT calculations show that the contributions of Si 3pz orbitals to the unoccupied states are different because of their different buckled configurations.

Original languageEnglish
Article number087307
JournalChinese Physics B
Volume24
Issue number8
DOIs
StatePublished - 1 Aug 2015

Keywords

  • DFT
  • electronic structure
  • silicene
  • STM

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