Structure of silicene grown on Ag(111)

Chun Liang Lin, Ryuichi Arafune, Kazuaki Kawahara, Noriyuki Tsukahara, Emi Minamitani, Yousoo Kim, Noriaki Takagi, Maki Kawai

    Research output: Contribution to journalArticlepeer-review

    567 Citations (Scopus)


    The structure of silicene, the two-dimensional honeycomb sheet of Si, grown on Ag(111) was investigated by scanning tunneling microscopy (STM) and low-energy electron diffraction (LEED) combined with density functional theory (DFT) calculation. Two atomic arrangements of honeycomb configuration were found by STM, which are confirmed by LEED and DFT calculations; one is 4×4 and the other is √13 × √ 13R13.9° In the 4×4 structure, the honeycomb lattice remains with six atoms displaced vertically, whereas the √13 × 13R13.9° takes the regularly buckled honeycomb geometry.

    Original languageEnglish
    Article number45802
    JournalApplied Physics Express
    Issue number4
    Publication statusPublished - 2012 Apr

    ASJC Scopus subject areas

    • Engineering(all)
    • Physics and Astronomy(all)


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