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作者:Salah Daoud
来源:[J].International Journal of Physical Research, 2017, Vol.5 (2), pp.79-82SPC
摘要:The object of this work is to study the correction between the optical, mechanical and thermal properties of boron arsenide (BAs) material and its experimental optical energy gap. The index of refraction, the high-frequency dielectric constant, the optical electronegativity, the ...
作者:Salah Daoud , Abdelhakim Latreche
来源:[J].International Journal of Physical Research, 2017, Vol.5 (2), pp.43-45SPC
摘要:The high-frequency and static dielectric constants, the reflex index, the total optical electronegativity difference, the bulk modulus, the micro-hardness, the plasmon energy and the electronic polarizability of cubic zincblende boron-antimonide semiconductor have been estimated ...
作者:Salah Daoud
来源:[J].International Journal of Physical Research, 2017, Vol.5 (1), pp.14-16SPC
摘要:The thermal properties of cubic zincblende (B3) thallium - phosphide (TlP) compound under high pressure up to 12 GPa have been studied using the quasi-harmonic Debye model approximation. The relative unit cell volume, the isothermal bulk modulus, the first order derivative i...
作者:Salah Daoud , Nadhira Bioud ...
来源:[J].International Journal of Physical Research, 2014, Vol.2 (2), pp.27-31SPC
摘要:In the present work, we report ?rst principles calculations of the near-neighbor distance (bond length) and the average energy gap using the pseudopotential plane wave method, in the framework of the density functional theory (DFT) within the local density approximation (LDA) and...
作者:Salah Daoud
来源:[J].International Journal of Scientific World, 2015, Vol.3 (2), pp.275-279SPC
摘要:Simple empirical expressions between the Debye temperature and the bond length and also between the melting point and the bond length have been proposed. These formulas have been established for two groups of ANB8-N type binary semiconductors (groups: II-VI and III-V). A good cor...
作者:Salah Daoud , Nadhira Bioud
来源:[J].International Journal of Physical Research, 2014, Vol.2 (2), pp.50-55SPC
摘要:We present an Ab-initio study of the pressure effect on the structural properties of thallium phosphide (TlP) compound. The plane-wave pseudopotential approach to the density functional theory (DFT) within the local density approximation (LDA) implemented in Abinit code was used....
作者:Salah Daoud
来源:[J].International Journal of Scientific World, 2015, Vol.3 (1), pp.37-42SPC
摘要:The principal goal of this work is the prediction of elastic properties of Boron-Arsenide (BAs) and Boron- Antimonide (BSb) materials by means of some emperical formulas and with the help of two experimental physical quantities (the bond length and the bulk modulus which are take...
作者:Salah Daoud
来源:[J].International Journal of Scientific World, 2015, Vol.3 (1), pp.43-48SPC
摘要:The sound velocities and thermal properties of Boron-Arsenide (BAs) and Boron- Antimonide (BSb) materials have been predicted with the help of the empirical elastic constants which are taken from our previous work which is accepted to publication in International Journal of ...
作者:Salah Daoud
来源:[J].International Journal of Scientific World, 2015, Vol.3 (1), pp.69-75SPC
摘要:In several research activities, the ab-initio calculations have become a vital tool for many research scientists (especially the physicists and the chemists). Pseudopotential plane wave method based on density functional perturbation theory within the Teter and Pade exchange...
作者:Salah Daoud , Nadhira Bioud
来源:[J].International Journal of Physical Research, 2014, Vol.2 (2), pp.72-77SPC
摘要:The principal goal of this work is the prediction only by means of some emperical formulas and two other physical quantities (the bond length and the bulk modulus calculated initially from first-principle calculations) of the refractive index, the exciton Bohr parameter, the elec...

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