Control of electron transport through Fano resonances in molecular wires.

Papadopoulos, T. A. and Grace, I. M. and Lambert, C. J. (2006) Control of electron transport through Fano resonances in molecular wires. Physical review B, 74 (19). p. 193306. ISSN 1098-0121

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Abstract

Using a first principles approach, we study the electron transport properties of two molecules of length 2.5 nm, which are the building blocks for a new class of molecular wires containing fluorenone units. We show that the presence of side groups attached to these units leads to Fano resonances close to the Fermi energy. As a consequence electron transport through the molecule can be controlled either by chemically modifying the side group, or by changing the conformation of the side group. This sensitivity, which is not present in Breit-Wigner resonances, opens up new possibilities for novel single-molecule sensors.

Item Type:
Journal Article
Journal or Publication Title:
Physical review B
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/qc
Subjects:
?? organic compoundselectron spin polarisationab initio calculationsmolecular configurationsmolecular electronicsqc physics ??
ID Code:
554
Deposited By:
Deposited On:
20 Jun 2007
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Jul 2024 11:25