A very high demand and limited stock of fossil fuels, renewable energy in very particular solar energy is the mainly focused area for research these days. This review paper presents the nondestructive optical testing techniques for the solar cells. The impacts of microcracks in s...
Open access
Research Article10.9734/PSIJ/2014/8754
Our previous study showed that the thickness of the cathode fall region in magnetized DC argon plasma was about 3.3mm has been investigated using two different methods, namely: the axial potential distribution and the current density distribution along the glow discharge regions....
Open access
Research Article10.9734/PSIJ/2014/9605
A fine NiO powders were prepared by a homogeneous precipitation method with an aqueous solution of nickel nitrate hexahydrate and citric acid. The microstructure, surface morphology of NiO were characterized by thermo gravimetric (TGA) analysis and differential scanning calorimet...
Open access
Research Article10.9734/PSIJ/2014/11068
In design of experiment, researchers have formulated various methods for obtaining D-optimal design. The aim of this study therefore is to obtain an N-point exact D-optimal design for a feasibleregion defined on a polynomial model. The weighted variance approach and a continuous...
Open access
Research Article10.9734/PSIJ/2014/9141
In this paper, we solve numerically the rate equations governing the semiconductor spin with un-polarized and polarized laser field based on quantum dot active region in which Schottky tunnel barrier treats as the spin injector. We demonstrate simultaneously the effects of elect...
Open access
Research Article10.9734/PSIJ/2014/9676
Thermal properties of porous thin films formed by anodization of thin aluminum films in sulfuric acid. The obtained pores at the surface are filled by sprayed graphite which the role is to improving its optical and thermal absorption giving a structure of an assembly of three dif...
Open access
Research Article10.9734/PSIJ/2014/9648
Two coupled oscillators provide a mathematical instrument for solving many problems in modern physics, including squeezed states of light and Lorentz transformations of quantum bound states. The concept of entanglement can also be studied within this mathematical framework. For t...
Open access
Research Article10.9734/PSIJ/2014/10336
The AC current instability mechanisms are investigated in high-Tc superconductor and superconducting tape at conduction-cooled conditions when the electric field and applied current may essentially exceed the critical values of a superconductor. It is shown that there exist the c...
Open access
Research Article10.9734/PSIJ/2014/11069
Commercial transistors have been irradiated with photon of 6 MeV and15 MeV energies and the device characteristics were studied during irradiation process. Along with expected reduction in current gain due to charge carrier trapping and other effects, considerable amount of noise...
Open access
Research Article10.9734/PSIJ/2014/8904
In the present paper, existence of spin glass state using Ising spin model with Edwards-Anderson type of interactions has been investigated by employing numerical simulation (Monte Carlo) technique. The study shows a phase transition from paramagnetic state to spin glass state wh...
Open access
Research Article10.9734/PSIJ/2014/9933