Phonon hydrodynamics in crystalline GeTe at low temperature

A first-principles density functional method along with the direct solution of linearized Boltzmann transport equations are employed to systematically analyze the low-temperature thermal transport in crystalline GeTe. The extensive thermal transport simulations, ranging from room temperature to cryo...

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Veröffentlicht in:	arXiv.org 2020-09
Hauptverfasser:	Ghosh, Kanka, Kusiak, Andrzej, Battaglia, Jean-Luc
Format:	Artikel
Sprache:	eng
Schlagworte:	Boltzmann transport equation Computational fluid dynamics Computer simulation Cryogenic temperature Crystal structure Crystallinity Diffusivity First principles Fluid flow Grain boundaries Grain size Heat conductivity Heat transfer Hydrodynamics Lattice vacancies Lattice vibration Low temperature Phonons Physics - Materials Science Room temperature Scattering Temperature Thermal conductivity Thermal diffusivity Thermal simulation Transport properties
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