Search
Now showing items 1-9 of 9
Investigated stiffness of high performance superconductivity with nanoceria incorporated into polycrystalline magnesium diboride
(The Institution of Engineering and Technology, 2012-08)
Polycrystalline MgB 2 was prepared with different amounts of nano-sized CeO 2 inclusions, subjected to X-ray diffraction, scanning electron microscopy and atomic force microscopy characterisation. The nano-CeO 2 inclusions ...
Further optical properties of CdX (X¼ S, Te) compounds under quantum dot diameter effect: Ab initio method
(Elsevier Ltd., 2012-09)
For energy band calculations, the indirect energy gap (G X) is calculated using density functional theory
(DFT) of the full potential-linearized augmented plane wave (FP-LAPW) method as implemented in
WIEN2K code. The ...
Density functional study of optical properties of beryllium chalcogenides compounds in nickel arsenide B8 structure
(Elsevier B.V., 2012-02-01)
The structural, electronic and optical properties of beryllium chalcogenides BeS, BeSe and BeTe using the full-potential linear augmented plane wave (FP-LAPW) method are investigated. The exchangecorrelation energy within ...
Optical properties of Si quantum dot potential under pressure effect
(Trans Tech Publications, Switzerland., 2012)
Further study of the quantum dot potential under hydrostatic pressure for Si is presented. This potential has been calculated by means of our recent empirical model. The indirect energy gap (Γ-X) is calculated using the ...
First-principles calculations to investigate optical properties of B yAl xIn 1-x-yN alloys for optoelectronic devices
(Elsevier Ltd., 2012-03)
First-principles density-functional theory of Full-Potential Linear Augmented Plane Wave (FP-LAPW) within local density approximation (LDA) of the optical properties of B yAl xIn 1- x-yN systems (with x = 0.187 and y = ...
Investigation of the optical properties of Mg(OH)2 and MgO nanostructures obtained by microwave-assisted methods
(Elsevier B.V., 2012-04)
Two simple methods for the synthesis of Mg(OH)2 nanostructures, MgO nanoflakes and MgO/Mg(OH)2 nanocomposite using a conventional microwave oven are reported. The first method includes the preparation of Mg(OH)2 by a simple ...
Confirmation of bulk modulus model of III-V compounds under pressure effect using tight-binding method
(Elsevier GmbH, 2012-06)
The electronic band structure for GaAs, GaSb and GaP is studied using semi-empirical tight-binding sp 3s* method for tetrahedrally coordinated cubic materials. By means of our empirical model, the structural property of ...
Current dependence growth of ZnO nanostructures by electrochemical deposition technique
(Electrochemical Science Group (ESG), 2012)
Zinc oxide (ZnO) nanostructure with a hexagonal structure is deposited on Si (100) substrates through electrochemical deposition (ECD) using a current density of 2, 3, and 4 mA/cm 2 for 1.5 h. The photoluminescence (PL) ...
First-principles calculations of the structural, electronic and optical properties of cubic BxGa1−xAs alloys
(Elsevier B.V., 2012-04-15)
Density functional calculations are performed to study the structural, electronic and optical properties of technologically important BxGa1−xAs ternary alloys. The calculations are based on the total-energy calculations ...