%0 Journal Article
%T The phonon and thermal properties of a ladder nanostructure
%J Iranian Journal of Physics Research
%I Isfahan University of Technology,
The Physics Society of Iran
%Z 1682-6957
%A Mardaani, M
%A Mardaani, M
%A Rabani, H
%A Keshavarz, M
%D 2019
%\ 11/26/2019
%V 11
%N 3
%P 287-292
%! The phonon and thermal properties of a ladder nanostructure
%K ladder nanostructure
%K phonon spectrum
%K density of states/modes
%K thermal conductance
%K transfer matrix
%R
%X 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.
%U https://ijpr.iut.ac.ir/article_933_9958a528a18778d9528e02eb158874d6.pdf