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Andreev reflection through Fano resonances in molecular wires

A. Kormányos, I. Grace, C. J. Lambert

DOI 10.1103/PhysRevB.79.075119 · Physical Review B

T1

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Abstract

We study Andreev reflection in a normal conductor-molecule-superconductor junction using a first-principles approach. In particular, we focus on a family of molecules consisting of a molecular backbone and a weakly coupled side group. We show that the presence of the side group can lead to a Fano resonance in the Andreev reflection. We use a simple theoretical model to explain the results of the numerical calculations and to make predictions about the possible subgap resonance structures in the Andreev reflection coefficient.

Source-reported materials — not catalogue approval

FormulaReported Tc (K)Pressure (GPa)Type
Au

Archive — visibility unverified

Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.

—Pressure not reportedunknown
Al

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Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.

—Pressure not reportedunknown
Nb

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Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.

—Pressure not reportedunknown

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