Abstract
Electric conduction in structures containing fullerenes was simulated. The electric current was calculated as a function of the bias voltage using the Landauer approach, thereby connecting charge transport with the transmission of electrons. To obtain the transmission matrix components, the supplementary problem of the electron scattering by the model potential was solved. Three types of structures were considered: a single fullerene molecule, a dimer of fullerenes, and a cluster of eight fullerenes. The current-voltage characteristics of these structures may have negative-conductance regions which make it possible to use them as active components of nanoelectronic devices.
Highlights
The problem of the single molecule conductance measurement and calculation attracts much attention due to its possible use in the molecular electronics. Another promising line of research is connected with consideration of carbon nanostructures, in particular graphene and nanotubes, as possible elements of nanoelectronic devices
Our simulation has shown that the current - voltage characteristics of systems including fullerenes have negativeconductance regions that makes it possible to use them as active elements of nanoelectronic devices
Estimations show that application of nanoparticles of the alloys with intensive electron-electron scattering can improve an efficiency of the laser radiation energy-to-heat conversion
Summary
Numerical analysis of the electrical conduction in carbon nanostructures The problem of the single molecule conductance measurement and calculation attracts much attention due to its possible use in the molecular electronics. Another promising line of research is connected with consideration of carbon nanostructures, in particular graphene and nanotubes, as possible elements of nanoelectronic devices.
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