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Debye model
About: Debye model is a research topic. Over the lifetime, 7462 publications have been published within this topic receiving 133987 citations.
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TL;DR: In this paper, the authors investigated the temperature dependence of the linear thermal expansion along the hexagonal c axis, in-plane resistivity, and specific heat of Sb$_2$Te$_3$ single crystal.
Abstract: We have investigated the temperature dependence of the linear thermal expansion along the hexagonal c axis ($\Delta L$), in-plane resistivity ($\rho$), and specific heat ($C_p$) of the topological insulator Sb$_2$Te$_3$ single crystal. $\Delta L$ exhibits a clear anomaly in the temperature region 204-236 K. The coefficient of linear thermal expansion $\alpha$ decreases rapidly above 204 K, passes through a deep minimum at around 225 K and then increases abruptly in the region 225-236 K. $\alpha$ is negative in the interval 221-228 K. The temperature dependence of both $\alpha$ and $C_p$ can be described well by the Debye model from 2 to 290 K, excluding the region around the anomaly in $\alpha$.
38 citations
TL;DR: In this paper, the influence of transition metals on the mechanical and thermodynamic properties of the cubic Pt3Al was systematically investigated by means of ab-initio calculations, and the results showed that those dopant elements prefer to occupy the Al site in comparison to the Pt site because of the valence electronic density.
38 citations
TL;DR: In this article, the structural and electronic properties as well as elastic constants of cubic SrCl2 have been analyzed and the compound is found to be an insulator with an indirect band gap of 5.18 eV.
38 citations
38 citations
38 citations