Scanning tunneling microscopy of charge transfer on the Si(111)7 × 7 surface

D. Jeon, T. Hashizume, T. Sakurai

    Research output: Contribution to journalArticlepeer-review

    9 Citations (Scopus)


    The sodium-adsorbed Si(111)7 × 7 surface has been imaged using a scanning tunneling microscope. Center adatoms initially reacted with sodium atoms and appeared dark in the filled state image. When the sodium coverage reached about 0.04 monolayer, the empty state image showed bright maxima at the rest atom sites. We suggest that this image is due to the charge transfer from the rest atom to the adatom induced by sodium adsorbates.

    Original languageEnglish
    Pages (from-to)493-496
    Number of pages4
    JournalApplied Surface Science
    Publication statusPublished - 1996 Mar

    ASJC Scopus subject areas

    • Chemistry(all)
    • Condensed Matter Physics
    • Physics and Astronomy(all)
    • Surfaces and Interfaces
    • Surfaces, Coatings and Films


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