High-heat-flux rectification due to a localized thermal diode

Physical Review. E
Tristram J Alexander

Abstract

A theoretical implementation of a localized thermal diode with a rectification factor greater than 10^{6} is demonstrated. In reverse thermal bias, extremely low thermal conductivity is achieved through phononic Rayleigh scattering from a finite-depth defect. In forward bias, the diode oscillator escapes the defect and thermal conductivity becomes up to four orders of magnitude higher. The setup provides a minimal model of a localized thermal diode between two identical oscillator chains and opens up a pathway for thermal diode implementations.

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Citations

Feb 20, 2021·Physical Review. E·M A SimónJ G Muga
Apr 18, 2021·Physical Review. E·Liujun XuXiaoping Ouyang
Jun 18, 2021·Physical Review. E·Na'im KalantarDvira Segal

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