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Current-voltage cha...
Current-voltage characteristics of single molecular junction : Dimensionality of metal contacts
- Artikel/kapitelEngelska2003
Förlag, utgivningsår, omfång ...
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AIP Publishing,2003
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:kth-22747
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-22747URI
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https://doi.org/10.1063/1.1597197DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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QC 20100525
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Formalisms for current-voltage (I-V) characteristics of a single molecular junction with electrodes possessing one-, two-, and three-dimensional energy distributions are derived and compared in the framework of elastic scattering theory. Model calculations on a device constituted of 1,4 benzene-dithiolate molecule chemically bonded to two gold electrodes are carried out using hybrid density functional theory. It is shown that the dimensionality of metal contacts has a strong effect on the I-V characteristics of the molecular junction, in particular the shape of the conductance curves. Good agreement with experimental I-V curves has been found for the case of the three-dimensional electron system.
Ämnesord och genrebeteckningar
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transport-properties
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carbon nanotube
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conductance
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wires
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resistance
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formalism
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device
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model
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Luo, YiKTH,Bioteknologi(Swepub:kth)u126eitw
(författare)
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KTHBioteknologi
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Journal of Chemical Physics: AIP Publishing119:9, s. 4923-49280021-96061089-7690
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