http://www.cnr.it/ontology/cnr/individuo/prodotto/ID39938
I/V characteristics of a molecular switch (Articolo in rivista)
- Type
- Label
- I/V characteristics of a molecular switch (Articolo in rivista) (literal)
- Anno
- 2007-01-01T00:00:00+01:00 (literal)
- Alternative label
Cacelli I., Ferretti A., Girlanda M., Macucci M. (2007)
I/V characteristics of a molecular switch
in Chemical physics (Print)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Cacelli I., Ferretti A., Girlanda M., Macucci M. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- DCCI Univ Pisa, IET Univ. Pisa (literal)
- Titolo
- I/V characteristics of a molecular switch (literal)
- Abstract
- We present a study of the conduction properties of a class of aromatic compounds, whose conformation can be modulated with a
transverse electric field, with strong effects on the molecular transport properties. The theoretical method includes the moleculeelectrode
interaction in a simple, although effective way: the coupling matrix elements are considered independent from the energy of the continuum
spectrum of the lead. This results in a simple expression for the molecular Greens function with a significant simplification in the
expression of the transmission function. The effects of the voltage bias on the electronic molecular density is included through a uniform
effective electric field. A simplified but accurate method for the evaluation of the molecular response to the field, which spares lengthy
computations for each value of the voltage, is presented. The proposed method is calibrated on the widely studied benzene-1,4-dithiol
molecule. (literal)
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