Single-atom control of the optoelectronic response in sub-nanometric cavities

Garcia-Gonzalez, P.; Varas, A.; Garcia-Vidal, F. J.; Rubio, A.

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Single-atom control of the optoelectronic response in sub-nanometric cavities

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Rubio, A.
Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Nano-Bio Spectroscopy Group and ETSF, Universidad del País Vasco UPV/EHU;
Center for Free-Electron Laser Science;
Department of Physics, University of Hamburg;
Center for Computational Quantum Physics, Flatiron Institute;

Externe Ressourcen

https://arxiv.org/abs/1903.08443
(Preprint)

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1903.08443.pdf
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Zitation

Garcia-Gonzalez, P., Varas, A., Garcia-Vidal, F. J., & Rubio, A. (2019). Single-atom control of the optoelectronic response in sub-nanometric cavities.

Zitierlink: https://hdl.handle.net/21.11116/0000-0005-45A9-F

Zusammenfassung

By means of ab-initio time dependent density functional theory calculations carried out on an prototypical hybrid plasmonic device (two metallic nanoparticles bridged by a one-atom junction), we demonstrate the strong interplay between photoinduced excitation of localized surface plasmons and electron transport through the single atom. Such an interplay is remarkably sensitive to the atomic orbitals of the junction. Therefore, we show the possibility of a twofold tuning (plasmonic response and photoinduced current across the juntion) just by changing a single atom in the device.