Comment on "Spontaneous heat current and ultra-high thermal rectification in asymmetric graphene: a molecular dynamics simulation"
Year: 2025
Type: article
Abstract: Recently, Yousefi et al (2025 Nanotechnology 36, 135401) report simulations of a graphene thermal rectifier which apparently predict ultra-high thermal rectification and a spontaneous heat current. We show that these results originate from an off-set in the predicted dependence of heat current on temperature difference which contravenes accepted laws of thermodynamics and so is presumably an artefact of the modelling procedure employed in the study.
Source: Apollo (University of Cambridge)
DOI: 10.17863/cam.123531
Author: Blamire, Mark
Language: English
Subfield: Materials Chemistry
Field: Materials Science
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W7107944483
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