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Mechanical Stabilization of Nanoscale Conductors by Plasmon Oscillations.

ABSTRACT: External driving of the Fermion reservoirs interacting with a nanoscale charge-conductor is shown to enhance its mechanical stability during resonant tunneling. This counterintuitive cooling effect is predicted despite the net energy flow into the device. Field-induced plasmon oscillations stir the energy distribution of charge carriers near the reservoir's chemical potentials into a nonequilibrium state with favored transport of low-energy electrons. Consequently, excess heating of mechanical degrees of freedom in the conductor is suppressed. We demonstrate and analyze this effect for a generic model of mechanical instability in nanoelectronic devices, covering a broad range of parameters. Plasmon-induced stabilization is suggested as a feasible strategy to confront a major problem of current-induced heating and breakdown of nanoscale systems operating far from equilibrium.

SUBMITTER: Kuperman M

PROVIDER: S-EPMC7467764 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature

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Mechanical Stabilization of Nanoscale Conductors by Plasmon Oscillations.

Kuperman Maayan M Nagar Linoy L Peskin Uri U

Nano letters 20200623 7

External driving of the Fermion reservoirs interacting with a nanoscale charge-conductor is shown to enhance its mechanical stability during resonant tunneling. This counterintuitive cooling effect is predicted despite the net energy flow into the device. Field-induced plasmon oscillations stir the energy distribution of charge carriers near the reservoir's chemical potentials into a nonequilibrium state with favored transport of low-energy electrons. Consequently, excess heating of mechanical d ...[more]

PMID: 32538634

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