Scanning-tunneling-microscope observation of the homoepitaxial diamond (001) 2×1 reconstruction observed under atmospheric pressure

Hiroshi Kawarada, Hidehiro Sasaki, Atsuhiro Sato

    Research output: Contribution to journalArticle

    124 Citations (Scopus)

    Abstract

    The 2×1/1×2 surface reconstruction of a homoepitaxial diamond (001) surface has been examined using a scanning tunneling microscope at an atomic scale and reflection electron microscopy at a macroscopic scale. The monohydride dimer, which is a unit of the surface reconstruction, has a symmetric structure. These monohydride structures contribute to the surface p-type conduction in undoped films. The surface is composed of elongated dimer rows. Antiphase boundaries have been observed, which is indicative of low-temperature epitaxy where surface migration is limited. Macroscopic surface flatness has been improved during the growth stage in the presence of oxygen and boron which enhance migration.

    Original languageEnglish
    Pages (from-to)11351-11358
    Number of pages8
    JournalPhysical Review B
    Volume52
    Issue number15
    DOIs
    Publication statusPublished - 1995

    Fingerprint

    Reconstruction (structural)
    Diamond
    Atmospheric pressure
    Diamonds
    atmospheric pressure
    Microscopes
    diamonds
    microscopes
    Scanning
    scanning
    Surface reconstruction
    Dimers
    Boron
    dimers
    Epitaxial growth
    Electron microscopy
    antiphase boundaries
    flatness
    Oxygen
    epitaxy

    ASJC Scopus subject areas

    • Condensed Matter Physics

    Cite this

    Scanning-tunneling-microscope observation of the homoepitaxial diamond (001) 2×1 reconstruction observed under atmospheric pressure. / Kawarada, Hiroshi; Sasaki, Hidehiro; Sato, Atsuhiro.

    In: Physical Review B, Vol. 52, No. 15, 1995, p. 11351-11358.

    Research output: Contribution to journalArticle

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