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Electrical and optical properties of scandium nitride nanolayers on MgO (100) substrate

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    0509472 - FZÚ 2020 RIV US eng J - Journal Article
    More Chevalier, Joris - Cichoň, Stanislav - Bulíř, Jiří - Poupon, Morgane - Hubík, Pavel - Fekete, Ladislav - Lančok, Ján
    Electrical and optical properties of scandium nitride nanolayers on MgO (100) substrate.
    AIP Advances. Roč. 9, č. 1 (2019), s. 1-7, č. článku 015317. E-ISSN 2158-3226
    R&D Projects: GA MŠMT(CZ) LO1409; GA ČR GA17-05770S
    Institutional support: RVO:68378271
    Keywords : scandium nitride * nanolayer * epitaxial growth * optical properties
    OECD category: Condensed matter physics (including formerly solid state physics, supercond.)
    Impact factor: 1.337, year: 2019
    Method of publishing: Open access

    Scandium nitride (ScN) is a rocksalt-structure semiconductor that has attracted attention for its potential applications in thermoelectric energy conversion devices, as a semiconducting component in epitaxial metal/semiconductor superlattices. ScN nanolayers of 30 nm thickness were deposited on MgO (001) substrate by reactive sputtering. Epitaxial growth of ScN(002) was observed with a mosaicity between grains around the {002} growth axis. Both direct band gaps theoretically predicted were measured at 2.59 eV and 4.25 eV for the energy gaps between the valence band and the conductance band at the X point and the Gamma point respectively.
    Permanent Link: http://hdl.handle.net/11104/0300219

     
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