Scientists
at Aalto University and Utrecht University have created single-atom contacts
between gold and graphene nanoribbons.
The most
significant discovery is that a single chemical bond forms an electronically
transparent contact with the graphene nanoribbon — without affecting its
overall electronic structure. This may be the key to using graphene
nanostructures in future electronic devices, as the contact does not change the
intrinsic ribbon properties.
“Combined
AFM and STM allows us to characterize the graphene nanostructures atom-by-atom,
which is critical in understanding how the structure, the bonds with the
contacts and their electrical properties are related,”
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