A problem of Raman backscattering of laser beam propagating in a transversely wiggler magnetized plasma is considered in the presence of density ripples. Required dispersion relation of excited upper hybrid wave is derived by using the fluid model and taking into account the coupling between primary upper hybrid wave and density ripples. Using wave equation […]
Zirconium carbide (ZrC) is promising candidate materials in advanced nuclear reactors as fuel cladding and plasma facing materials. It can employ to increase ductility and fracture toughness of tungsten as prominent candidate of plasma facing materials in ITER and DEMO future fusion reactors. In this study, ZrC thin films were deposited through DC magnetron sputtering […]
We present the results of experimental studies of the barrier negative corona of constant voltage excited by a metal tip over a metal plane covered by a thin film of polytetrafluoroethylene. It is shown that bright surface discharges – streamers – form on the dielectric surface as the voltage increases. The change in the surface […]
Cadmium selenide films were prepared at different volumes of dopant (Europium) concentration by electrostaticspray-pyrolysis technique. Optical results reveal low absorption and reflection with a corresponding high transmission in the visible region. Strong blue-shift is observed for the band gap energy in all cases of growth, indicating quantum confinement effect. Scanning electron studies reveal relatively smooth […]
[{[(TeO2)0.8 (B2O3)0.2]0.8 (SiO2)0.2}0.99 (Ag2O)0.01]1−y – (Er2O3 NPs)y, and y=0.01,0.02,0.03,0.04 and 0.05 mole% were fabricated by the melt quenching technique. X-ray diffraction (XRD) was used to verify and confirm the glasses’ non-crystallinity. X-ray fluorescence (XRF) proved the achievement of silicate of 98.6% quality from rice husk. Fourier transform infrared d (FTIR) results exposed the basic structural […]
In this work a spatial phase modulation and four-wave mixing in Graphene/ tungsten disulfide (WS2) heterostructure have been demonstrated, which is excited by plasmons of nano-plasmonic donate shape rings. For this purpose, a laser writing system was used to fabricate nanohole arrays and cover them with the plasmonic gold thin film via a sputtering machine […]
In this work, the dynamics and chaotic behavior of ion-acoustic (IA) traveling waves in a collisional plasma consisting of cold ions, superthermal electrons, and immobile neutral particles are studied. The effect of ion-neutral collisions is also considered here. Using the reductive perturbation technique, a forced modified Korteweg-de Vries (FMK-dV) equation is obtained in the presence […]
The present work scrutinizes the radiation protection features and mechanical characteristics of neodymium zinc-tellurite of composition [(TeO2)70-(ZnO)30]1-x –(Nd2O3)x: x= 0-5 mol% in steps of 1 (TZNd1 – 5). The Makishima–Mackenzie’s model was adopted for the computation of the Poisson’s ratio (PR) and elastic moduli. WinXcom and EXABCal software’s were performed to evaluate the radiation shielding […]
The E*B plasma systems play an important role in the technologies like electric space propulsion and magnetized plasma sources used in plasma material interaction / surface processing. However, due to the gradient in plasma density, collisions and external fields such systems become prone to the instabilities and also dust particles are generated during the plasma […]
Thin-layered materials from transition-metal dichalcogenides family and their preforms such as molybdenum three oxides (MoO3) exhibit great potential as active material in optoelectronics. Stable materials of few atoms thick have shown emerging capabilities in this area. In this article, we report the synthesis of MoO3 nanostructures by spray pyrolysis method. We will, perhaps for the […]
