Connectivity dependence of Fano resonances in single molecules

Ismael, Ali and Grace, Iain Mark and Lambert, Colin John (2017) Connectivity dependence of Fano resonances in single molecules. Physical Chemistry Chemical Physics, 19 (9). pp. 6416-6421. ISSN 1463-9076

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Using a first principles approach combined with analysis of heuristic tight-binding models, we examine the connectivity dependence of two forms of quantum interference in single molecules. Based on general arguments, Fano resonances are shown to be insensitive to connectivity, while Mach–Zehnder-type interference features are shown to be connectivity dependent. This behaviour is found to occur in molecular wires containing anthraquinone units, in which the pendant carbonyl groups create Fano resonances, which coexist with multiple-path quantum interference features.

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Journal Article
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Physical Chemistry Chemical Physics
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13 May 2017 02:35
Last Modified:
19 Apr 2022 02:01