Volume 11, Issue 3 (Iranian Journal of Physics Research, Fall 2011)                   IJPR 2011, 11(3): 287-292 | Back to browse issues page

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Mardaani M, Rabani H, Keshavarz M. The phonon and thermal properties of a ladder nanostructure. IJPR. 2011; 11 (3) :287-292
URL: http://ijpr.iut.ac.ir/article-1-829-en.html
Shahrekord University
Abstract:   (15138 Views)

 In this paper, we study the phonon thermal properties of a ladder nanostructure in harmonic approximation. We present a model consisting of two infinite chains with different masses. Then, we investigate the effect of different masses on the phonon spectrum. Moreover, as a specific case, in the absence of the second neighbor interaction, we calculate the phonon density of states/modes. Finally, we consider the thermal conductivity of the system. The results show that the phonon spectrum shifts down to the lower frequencies by increasing the masses. Furthermore, a frequency gap appears in the phonon spectrum. By increasing the springs constants, the thermal conductance decreases.

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Type of Study: Research | Subject: General

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