First-principles study on lattice thermal conductivity of thermoelectrics HgTe in different phases

Accurate description of thermal conductivity of high pressure phase of materials is a key for predicting the thermoelectric performance. In this paper, by combining first-principle calculation and phonon Boltzmann transport equation, we investigate the lattice thermal conductivity of HgTe in low pre...

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Veröffentlicht in:	Journal of applied physics 2015-06, Vol.117 (24)
Hauptverfasser:	Ouyang, Tao, Hu, Ming
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied physics Boltzmann transport equation Figure of merit First principles Group velocity Heat conductivity Heat transfer Low pressure Mathematical analysis Performance prediction Phases Relaxation time Thermal conductivity Thermoelectricity Zincblende
Online-Zugang:	Volltext
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