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|Title:||Thermal rectification and negative differential thermal resistance in lattices with mass gradient|
|Authors:||Yang, N. |
|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|
|Appears in Collections:||Staff Publications|
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