Sound velocities and thermal properties of BeX (X=S, Se and Te) alkaline-earth chalcogenides

  • Authors

    • Salah Daoud Laboratory of Materials and Electronic Systems (LMSE), Faculty of Sciences and Technology, Mohamed Elbachir El Ibrahimi, Bordj Bou Arreridj University, Bordj Bou Arreridj (34000), Algeria
    2016-12-15
    https://doi.org/10.14419/ijsw.v5i1.6929
  • Elastic Wave Velocity, Thermal Properties, Beryllium-Chalcogenides Large Band Gaps Semiconductors.

  • The sound velocities and some thermal properties of BeX (X=S, Se and Te) beryllium-chalcogenides large band gaps semiconductors have been estimated by employing some usual theoretical and emperical formulas. The lattice parameters and the elastic stiffness constants used here are taken from the literature. The longitudinal, transverse and average elastic wave velocities, the Debye temperature, the melting temperature, the thermal conductivity and the Grüneisen parameter are successfully predicted and analyzed in comparison with the available experimental and theoretical data. In general, our obtained results of these quantities agree well with the experimental and other theoretical data of the literature.

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    Daoud, S. (2016). Sound velocities and thermal properties of BeX (X=S, Se and Te) alkaline-earth chalcogenides. International Journal of Scientific World, 5(1), 9-12. https://doi.org/10.14419/ijsw.v5i1.6929