Case study on phonon spectrum and mechanical properties of quantum solids and superconductors at high pressure
Case study on phonon spectrum and mechanical properties of quantum solids and superconductors at high pressure
Mohammad hossein sahafi1 Erfan cholaki2
1) Department of Physics, Faculty of Science, University of Mazandaran, Babolsar, Iran
2) 1. Department of Physics, Faculty of Science, Islamic Azad University of Kermanshah Branch, Kermanshah, Iran
Publication :
1st conference on engineering & innovation - University of Tabriz(ncoei.ir)
Abstract :
We report the aftereffects of a stomach ab − initio investigation of electronic, and definite cross section dynamical properties of superconducting materials, Sr(GaGe) and Sr(GaSi) under high tension. The phonon scattering bends along the high-evenness bearings and phonon frequencies boundaries at the Brillouin zone focus are processed by utilizing thickness practical irritation hypothesis while the versatile constants are determined in metric-tensor definition. The Vickers hardness having a place with the mixes is likewise assessed unmistakably. Simultaneously, we advance inside and out comprehension of the connection between the properties decided and superconducting trademark. The change temperatures for the mixes have been recognized. The position of the title in this section is 120 mm from the top of the page or upper edge.
Keywords :
DFT
DFPT
Phonon dispersion
Elastic constants
Lattice dynamics