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|Title:||Vibrational spectra and thermal rectification in three-dimensional anharmonic lattices||Authors:||Lan, J.
|Issue Date:||13-Jun-2007||Citation:||Lan, J., Li, B. (2007-06-13). Vibrational spectra and thermal rectification in three-dimensional anharmonic lattices. Physical Review B - Condensed Matter and Materials Physics 75 (21) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevB.75.214302||Abstract:||We study thermal rectification in a three-dimensional model consisting of two segments of anharmonic lattices. One segment consists of layers of harmonic oscillator arrays coupled to a substrate potential, which is a three-dimensional Frenkel-Kontorova model, and the other segment is a three-dimensional Fermi-Pasta-Ulam model. We study the vibrational bands of the two lattices analytically and numerically, and find that, by choosing the system parameters properly, the rectification can be as high as a few thousands, which is high enough to be observed in experiment. Possible experiments in nanostructures are discussed. © 2007 The American Physical Society.||Source Title:||Physical Review B - Condensed Matter and Materials Physics||URI:||http://scholarbank.nus.edu.sg/handle/10635/98558||ISSN:||10980121||DOI:||10.1103/PhysRevB.75.214302|
|Appears in Collections:||Staff Publications|
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