Impact of surface conditions changes on changes in thermodynamic properties of quasi 2D crystals

Jovan P. Šetrajčić, Dušan I. Ilić, Stevo K. Jaćimovski and Siniša M. Vučenović

Physica A: Statistical Mechanics and its Applications, 2021, vol. 566, issue C

Abstract: In continuation of our research regarding the phonon-induced properties of the low dimensional structures, we are investigating the impact of changes in boundary parameters onto the thermodynamic properties of the quasi 2D crystals (ultrathin films). Internal energy and thermal capacitance of the ultrathin film are theoretically analyzed and numerically and graphically presented for the various combinations of boundary surface parameters. This research is motivated by efforts to explain many unusual thermal properties of novel two-dimensional materials. The obtained results are also of great significance for the heat removal and other important physical properties and processes in ultrathin films, with special emphasis to the improvement of the superconducting properties towards the high TC superconductivity.

Keywords: Phonons; Ultrathin films; Green’s function; Boundary parameters; Thermodynamical analysis; Specific heat (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:566:y:2021:i:c:s0378437120309481

DOI: 10.1016/j.physa.2020.125650

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