Complex-band structure: a method to determine the off-resonant electron transport in oligomers

DOI zum Zitieren dieses Dokuments:: 10.5283/epub.1326

Fagas, Giorgos ; Kambili, Agapi ; Elstner, Marcus

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Veröffentlichungsdatum dieses Volltextes: 05 Aug 2009 13:27

Alternative Links zum Volltext:DOI Verlag

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We validate that off-resonant electron transport across {\it ultra-short} oligomer molecular junctions is characterised by a conductance which decays exponentially with length, and we discuss a method to determine the damping factor via the energy spectrum of a periodic structure as a function of complex wavevector. An exact mapping to the complex wavevector is demonstrated by ...