Researchers at Japan Advanced Institute of Science and
Technology (JAIST) have successfully measured the current-voltage
curve of graphene nanoribbons (GNRs) that were suspended between
two electrodes. Measurements were performed using transmission
electron microscopy (TEM). The results revealed that, in contrast
to the findings of previous reports, the electrical conductance of
GNRs with a zigzag edge structure (zigzag GNRs) abruptly increased
above the critical bias voltage. This finding is worth noting
because the abrupt change in these GNRs can be applied to switching
devices, which are the smallest devices in the world.
Current-voltage curve of graphene nanoribbons measured, with
implications for graphene switches
