Nitrogen-doped ultrananocrystalline diamond/hydrogenated amorphous carbon composite films prepared by pulsed laser deposition

Sausan Al-Riyami, Shinya Ohmagari, Tsuyoshi Yoshitake

    Research output: Contribution to journal › Article

    33 Citations (Scopus)

    Abstract

    Nitrogen-doped ultrananocrystalline diamond/hydrogenated amorphous carbon composite (UNCD/a-C:H) films were deposited by pulsed laser deposition. The film doped with a nitrogen content of 7.9 at.% possessed n-type conduction with an electrical conductivity of 18-1.cm-1 at 300 K. A heterojunction with p-type Si exhibited typical rectifying action. The UNCD grain size was estimated to be 2.5nm from X-ray diffraction measurement. Near-edge X-ray absorption fine-structure and Fourier transform infrared spectroscopies revealed the preferential formations of C=N and C-N bonds and an enhanced amount of sp2 bonds in the films.

    Original languageEnglish
    Article number115102
    JournalApplied Physics Express
    Volume3
    Issue number11
    DOIs
    Publication statusPublished - Nov 1 2010

    Fingerprint

    Carbon films
    Amorphous carbon
    Composite films
    Pulsed laser deposition
    pulsed laser deposition
    Diamonds
    diamonds
    Nitrogen
    nitrogen
    composite materials
    carbon
    X ray absorption
    Fourier transform infrared spectroscopy
    Heterojunctions
    heterojunctions
    x rays
    grain size
    fine structure
    infrared spectroscopy
    conduction

    All Science Journal Classification (ASJC) codes

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

    Cite this

    Nitrogen-doped ultrananocrystalline diamond/hydrogenated amorphous carbon composite films prepared by pulsed laser deposition. / Al-Riyami, Sausan; Ohmagari, Shinya; Yoshitake, Tsuyoshi.

    In: Applied Physics Express, Vol. 3, No. 11, 115102, 01.11.2010.

    Research output: Contribution to journal › Article

    Al-Riyami, S, Ohmagari, S & Yoshitake, T 2010, 'Nitrogen-doped ultrananocrystalline diamond/hydrogenated amorphous carbon composite films prepared by pulsed laser deposition', Applied Physics Express, vol. 3, no. 11, 115102. https://doi.org/10.1143/APEX.3.115102
    Al-Riyami S, Ohmagari S, Yoshitake T. Nitrogen-doped ultrananocrystalline diamond/hydrogenated amorphous carbon composite films prepared by pulsed laser deposition. Applied Physics Express. 2010 Nov 1;3(11). 115102. https://doi.org/10.1143/APEX.3.115102
    Al-Riyami, Sausan ; Ohmagari, Shinya ; Yoshitake, Tsuyoshi. / Nitrogen-doped ultrananocrystalline diamond/hydrogenated amorphous carbon composite films prepared by pulsed laser deposition. In: Applied Physics Express. 2010 ; Vol. 3, No. 11.
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