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  • Nanowires grown on graphene have surprising structure

    Schematic representation of phase segregated InGaAs/InAs nanowires grown on graphene and single phase InGaAs nanowires grown on a different substrate

    Schematic representation of phase segregated InGaAs/InAs nanowires grown on graphene and single phase InGaAs nanowires grown on a different substrate

    Graphic by Parsian Mohseni

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      Schematic representation of phase segregated InGaAs/InAs nanowires grown on graphene and single phase InGaAs nanowires grown on a different substrate

      Graphic by Parsian Mohseni

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      A false-color microscope image of a single nanowire, showing the InAs core and InGaAs shell.

      Graphic by Parsian Mohseni

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      A dense array of vertical nanowires grown on graphene.

      Graphic by Parsian Mohseni

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      Xiuling Li led the study, which used a method called van der Waals epitaxy to grow nanowires from the bottom up on a flat substrate of semiconductor materials, such as silicon.

      Photo by Liz Ahlberg

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