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Manifestation of electrode surface states in molecular conduction
Author(s) -
Fagas Giorgos,
Gutierrez Rafael,
Richter Klaus,
Grossmann Frank,
Schmidt Rüdiger
Publication year - 2004
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.200450810
Subject(s) - conductance , thermal conduction , electrode , bridging (networking) , molecule , molecular orbital , chemical physics , materials science , atomic orbital , carbon nanotube , molecular physics , condensed matter physics , nanotechnology , chemistry , physics , electron , quantum mechanics , composite material , computer network , computer science
We present a conduction mechanism across molecular junctions which derives from conductance resonances that are not associated with particular molecular orbitals. Instead, the resonances are induced by states localized at the surface of the electrodes. To this end, we studied the conductance of a C 60 molecule bridging two carbon nanotubes. A simple tight‐binding model is employed to investigate analytically the basic features of the effect.