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2004 | 2 | 3 | 524-533
Tytuł artykułu

The role of quantum interference in determining transport properties of molecular bridges

Autorzy
Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
An analytical approach to the electron transport phenomena in molecular devices is presented. The analyzed devices are composed of various molecular bridges attached to two semi-infinite electrodes. Molecular system is described within the tight-binding model, while the coupling to the electrodes is analyzed through the use of Newns-Anderson chemisorption theory. The current-voltage (I-V) characteristics are calculated through the integration of transmission function in the standard Landauer formulation. The essential question of quantum interference effect of electron waves is diseussed in three aspects: (i) the geometry of a molecular bridge, (ii) the presence of an external magnetic field and (iii) the location of chemical substituent.
Wydawca

Czasopismo
Rocznik
Tom
2
Numer
3
Strony
524-533
Opis fizyczny
Daty
wydano
2004-09-01
online
2004-09-01
Twórcy
  • Insitute of Physics, Adam Mickiewicz University, Umultowska 85, 61-614, Poznań, Poland, walczak@amu.edu.pl
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_BF02476205
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