Characterization of locally modified diamond surface using Kelvin probe force microscope

Minoru Tachiki, Yu Kaibara, Yu Sumikawa, Masatsugu Shigeno, Hirohumi Kanazawa, Tokishige Banno, Kwang Soup Song, Hitoshi Umezawa, Hiroshi Kawarada

    Research output: Contribution to journalArticle

    42 Citations (Scopus)

    Abstract

    The surface potential difference between an H-terminated surface and a locally oxidized diamond surface produced by an atomic force microprobe was investigated using a Kelvin probe force microscope. The potential of the H-terminated diamond surface was observed to be ∼0.1 V higher than that of the oxidized diamond surface. The surface potential difference can be interpreted in terms of the positions of the vacuum level, the Fermi level, and the conduction and valence band edges, when negative electron affinity and p-type surface conduction are assumed on the H-terminated diamond surface. The surface dipole induced by the electronegativity differences between the surface atoms of the diamond affects the difference in the surface potential between the two surfaces.

    Original languageEnglish
    Pages (from-to)207-212
    Number of pages6
    JournalSurface Science
    Volume581
    Issue number2-3
    DOIs
    Publication statusPublished - 2005 May 1

    Fingerprint

    Diamond
    Diamonds
    Microscopes
    diamonds
    microscopes
    probes
    Surface potential
    Electron affinity
    Electronegativity
    Valence bands
    Fermi level
    Conduction bands
    negative electron affinity
    Vacuum
    Atoms
    conduction bands

    Keywords

    • AFM
    • Diamond
    • Hydrogen termination
    • KFM
    • Local oxidation
    • Surface charge
    • Surface conduction

    ASJC Scopus subject areas

    • Physical and Theoretical Chemistry
    • Condensed Matter Physics
    • Surfaces and Interfaces

    Cite this

    Characterization of locally modified diamond surface using Kelvin probe force microscope. / Tachiki, Minoru; Kaibara, Yu; Sumikawa, Yu; Shigeno, Masatsugu; Kanazawa, Hirohumi; Banno, Tokishige; Song, Kwang Soup; Umezawa, Hitoshi; Kawarada, Hiroshi.

    In: Surface Science, Vol. 581, No. 2-3, 01.05.2005, p. 207-212.

    Research output: Contribution to journalArticle

    Tachiki, M, Kaibara, Y, Sumikawa, Y, Shigeno, M, Kanazawa, H, Banno, T, Song, KS, Umezawa, H & Kawarada, H 2005, 'Characterization of locally modified diamond surface using Kelvin probe force microscope', Surface Science, vol. 581, no. 2-3, pp. 207-212. https://doi.org/10.1016/j.susc.2005.02.054
    Tachiki M, Kaibara Y, Sumikawa Y, Shigeno M, Kanazawa H, Banno T et al. Characterization of locally modified diamond surface using Kelvin probe force microscope. Surface Science. 2005 May 1;581(2-3):207-212. https://doi.org/10.1016/j.susc.2005.02.054
    Tachiki, Minoru ; Kaibara, Yu ; Sumikawa, Yu ; Shigeno, Masatsugu ; Kanazawa, Hirohumi ; Banno, Tokishige ; Song, Kwang Soup ; Umezawa, Hitoshi ; Kawarada, Hiroshi. / Characterization of locally modified diamond surface using Kelvin probe force microscope. In: Surface Science. 2005 ; Vol. 581, No. 2-3. pp. 207-212.
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    abstract = "The surface potential difference between an H-terminated surface and a locally oxidized diamond surface produced by an atomic force microprobe was investigated using a Kelvin probe force microscope. The potential of the H-terminated diamond surface was observed to be ∼0.1 V higher than that of the oxidized diamond surface. The surface potential difference can be interpreted in terms of the positions of the vacuum level, the Fermi level, and the conduction and valence band edges, when negative electron affinity and p-type surface conduction are assumed on the H-terminated diamond surface. The surface dipole induced by the electronegativity differences between the surface atoms of the diamond affects the difference in the surface potential between the two surfaces.",
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    AU - Kaibara, Yu

    AU - Sumikawa, Yu

    AU - Shigeno, Masatsugu

    AU - Kanazawa, Hirohumi

    AU - Banno, Tokishige

    AU - Song, Kwang Soup

    AU - Umezawa, Hitoshi

    AU - Kawarada, Hiroshi

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    AB - The surface potential difference between an H-terminated surface and a locally oxidized diamond surface produced by an atomic force microprobe was investigated using a Kelvin probe force microscope. The potential of the H-terminated diamond surface was observed to be ∼0.1 V higher than that of the oxidized diamond surface. The surface potential difference can be interpreted in terms of the positions of the vacuum level, the Fermi level, and the conduction and valence band edges, when negative electron affinity and p-type surface conduction are assumed on the H-terminated diamond surface. The surface dipole induced by the electronegativity differences between the surface atoms of the diamond affects the difference in the surface potential between the two surfaces.

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    KW - KFM

    KW - Local oxidation

    KW - Surface charge

    KW - Surface conduction

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