Abstract:
In this paper, transport properties of Osmium
(Os)-passivated armchair graphene nanoribbons (AGNRs)
have been explored for applications in nanoscale
interconnects. Os has been used for passivation in place of
Hydrogen (H). In general, H-passivation is used to reduce the
edge scattering in AGNRs. However, this increases the
bandgap of the structure. In our study, it is found that Ospassivation reduces the edge scattering with improvement in
metallicity of AGNRs, which makes it suitable for future
nanoscale interconnects. We have extracted key parameters,
such as transmission spectrum, I-V characteristics, number of
conduction channels, Fermi velocity, kinetic inductance and
quantum capacitance. We have compared our results with Fepassivated AGNRs. In case of Os-passivated AGNRs, up to
eight conduction channels are seen that result in higher
currents of up to 4x as compared to Fe-passivated AGNRs.
