Nonlinear heat transport in superlattices with mobile defects
Jou i Mirabent, David, 1953- (Universitat Autònoma de Barcelona. Departament de Física)
Restuccia, Liliana (University of Messina. Department of Mathematical and Computer Sciences, Physical Sciences and Earth Sciences)
University of Messina

Date:	2019
Abstract:	We consider heat conduction in a superlattice with mobile defects, which reduce the thermal conductivity of the material. If the defects may be dragged by the heat flux, and if they are stopped at the interfaces of the superlattice, it is seen that the effective thermal resistance of the layers will depend on the heat flux. Thus, the concentration dependence of the transport coefficients plus the mobility of the defects lead to a strongly nonlinear behavior of heat transport, which may be used in some cases as a basis for thermal transistors.
Rights:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Language:	Anglès
Document:	Article ; recerca ; Versió publicada
Subject:	Heat transport ; Extended thermodynamics ; Mobile defects ; Defect engineering ; Thermal ; Transistor ; Superlattices
Published in:	Entropy, Vol. 21 (2019) , p. 1-13, ISSN 1099-4300

DOI: 10.3390/e21121200

13 p, 1.4 MB

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