Scanning tunneling microscopy study of the (3 × 1) reconstruction induced by Li adsorption on the Si(111) surface

Raouf Z. Bakhtizin, Chan Park, Tomihiro Hashizume, Toshio Sakurai

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    11 Citations (Scopus)

    Abstract

    Lithium adsorption on a clean Si(111) surface at 300°C has been studied with scanning tunneling microscopy (STM) and low-energy electron diffraction (LEED). The (3 × 1) reconstruction of the Si(111)-7 × 7 surface is observed at submonolayer Li coverage and post deposition anneal. It has been found that there is a threshold depending on the Li coverage and annealing temperature for the (3 × 1) structure formation process. However, there is no evidence of any 3× 3 reconstruction of the Si(111) surface induced by lithium adsorption under the experimental conditions that we used. By comparing the number of Li adatoms on the definite area of the Si(111) surface after deposition and annealing at 400°C it has been proven that the (3 × 1) islands are not only consisting of Si atoms.

    Original languageEnglish
    Pages (from-to)347-352
    Number of pages6
    JournalApplied Surface Science
    Volume87-88
    Issue numberC
    DOIs
    Publication statusPublished - 1995 Mar 2

    ASJC Scopus subject areas

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

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