Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevB.76.020301
Title: Thermal rectification and negative differential thermal resistance in lattices with mass gradient
Authors: Yang, N. 
Li, N. 
Wang, L. 
Li, B. 
Issue Date: 24-Jul-2007
Source: Yang, N., Li, N., Wang, L., Li, B. (2007-07-24). Thermal rectification and negative differential thermal resistance in lattices with mass gradient. Physical Review B - Condensed Matter and Materials Physics 76 (2) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevB.76.020301
Abstract: We study thermal properties of one-dimensional (1D) harmonic and anharmonic lattices with a mass gradient. It is found that a temperature gradient can be built up in the 1D harmonic lattice with a mass gradient due to the existence of gradons. The heat flow is asymmetric in anharmonic lattices with a mass gradient. Moreover, in a certain temperature region, negative differential thermal resistance is observed. Possible applications in constructing thermal rectifiers and thermal transistors by using the graded material are discussed. © 2007 The American Physical Society.
Source Title: Physical Review B - Condensed Matter and Materials Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/98362
ISSN: 10980121
DOI: 10.1103/PhysRevB.76.020301
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