Lattice Thermal Conductivity of GaAs
作者： M. Ataullah Ansari , V. Ashokan , B.D. Indu , R. Kumar
DOI: 10.12693/APHYSPOLA.121.639
关键词: Relaxation (physics) 、 Thermal transport 、 Electron phonon scattering 、 Impurity 、 Materials science 、 Phonon 、 Lattice thermal conductivity 、 Condensed matter physics 、 Scattering 、 Phonon scattering
摘要: A new approach to evaluate the relaxation times of various collision events responsible for thermal transport has been reported through which de ciencies earlier models lattice conductivity have resolved. These investigations involve evaluation phonon Green functions via a non-perturbative approach. The expressions scattering phonons by boundaries, atomic impurities, scattering, electron are features theory. three samples GaAs analyzed on basis modi ed Callaway model and fairly good agreement between theory experimental observations reported.
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