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Showing 1–4 of 4 results
Advanced filters: Author: Soon-Dong Park Clear advanced filters

  • Graphene holds promise as a protective coating; however, lattice defects may hinder its practical applicability. Here, the authors investigate the oxidation behavior of graphene-coated copper foils and unveil the interplay between structural defects and oxygen radicals from water molecules in ambient air.

    • Jinsung Kwak
    • Yongsu Jo
    • Soon-Yong Kwon
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-12

  • Materials with a negative Poisson’s ratio are rare and have been observed in bulk materials. Here, the authors report that a negative value can be seen in nanoscale metal plates under a finite stress, caused by a surface effect and a phase transformation.

    • Duc Tam Ho
    • Soon-Dong Park
    • Sung Youb Kim
    Research
    Nature Communications
    Volume: 5, P: 1-8

  • Current methods for fabricating graphene rely on its transfer from metal surfaces to substrates suitable for device applications. This study demonstrates a transfer-free approach for growing graphene on substrates such as thermally oxidized silicon and plastic that forms the material underneath a nickel film, at the nickel–substrate interface.

    • Jinsung Kwak
    • Jae Hwan Chu
    • Soon-Yong Kwon
    Research
    Nature Communications
    Volume: 3, P: 1-7

  • Fabrication of large-scale monolithic graphene oxide is desirable in realising future devices. Here, the authors report a physical process for synthesizing monolithic graphene oxide sheets on copper foil from solid carbon.

    • Jae Hwan Chu
    • Jinsung Kwak
    • Soon-Yong Kwon
    Research
    Nature Communications
    Volume: 5, P: 1-10