Thermodynamics and Energy

   

The ‘Generalized Skettrup Model’ and Specific Lattice Thermal Capacity of Non-Homogeneous and Low-Dimensional Semiconductors and Insulators

Authors: Valeri LIGATCHEV

The ‘Generalized Skettrup Model’ (GSM) links features of near-band gap and intra-gap electronic as well as corresponding optical spectra of polycrystalline and spatially non-homogeneous amorphous semiconductors and insulators to probabilities of equilibrium fluctuations in an energy of the individual quasi-particle, number of quasi-particles in a quantum grand canonical ensemble of confined acoustic phonons with static plane-wave basis (pure states), and in their aggregate energy. The essentially many-body GSM might be implemented as well at evaluations on harmonic and anharmonic contributions to the specific lattice thermal capacity of those semiconductors and insulators, as well as their low-dimensional counterparts. Herein predictions of the ‘refined’ GSM equations in these areas are compared with appropriate experimental results and outcomes of canonical Debye – Planck model.

Comments: 21 Pages. This paper is devoted to an extended discussion on some new aspects of the ‘Generalized Skettrup Model’ (GSM) described in details in the second chapter of my book ‘Polycrystalline and Spatially Non-Homogeneous Amorphous Semiconductors’ published in 2017.

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Submission history

[v1] 2019-10-14 04:35:46
[v2] 2019-11-13 02:34:52

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