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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 | Citation: | 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 |
Appears in Collections: | Staff Publications |
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