Recent topics on theoretical studies for the nano-scale structures connected between the electrodes are presented. The first-principles recursion transfer matrix method and non-equilibrium Green's function technique are utilized for the analyses of atom wires and molecular bridges. A very large effect of the terminal structures is demonstrated for both the systems. If the transport is caused by the resonant tunneling, a large loop current inside the molecule is induced near the degenerate levels. Its relationship with the magnetically induced intra-molecular current is discussed for the case of triangular graphene.
Theoretical bases of nano-scale devices
2005-01-01
2258207 byte
Conference paper
Electronic Resource
English
Theoretical Bases of Nano-Scale Devices (Invited)
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