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Evidence for temporary and local transition of sp2 graphite-type to sp3 diamond-type bonding induced by the tip of an atomic force microscope

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Hofmann, Thomas P. ; Ren, Xinguo ; Weymouth, Alfred J. ; Meuer, Daniel ; Liebig, Alexander ; Donarini, Andrea ; Giessibl, Franz J.
[img]License: Creative Commons: Attribution 3.0
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[img]License: Creative Commons Attribution 4.0
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Date of publication of this fulltext: 05 Aug 2022 04:09


Artificial diamond is created by exposing graphite to pressures on the order of 10 GPa and temperatures of about 2000 K. Here, we provide evidence that the pressure exerted by the tip of an atomic force microscope onto graphene over the carbon buffer layer of silicon carbide can lead to a temporary transition of graphite to diamond on the atomic scale. We perform atomic force microscopy with CO ...


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