RP-Department of Physics: Recent submissions
Now showing items 21-40 of 102
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Determination of Planck’s Constant using Light Emitting Diodes
(Publishing Center Dialog, 2017)Planck’s constant is named after Max Planck, a nineteenth-century physicist who first described it by relating it as E=husual meanings. It is a relationship used when comparing a quantum of energy absorbed to that emitted ... -
Studies on Cd1Se0.6Te0.4 Thin Films by Spectroscopic and Diffractometer Characterization
(Publishing Center Dialog, 2017)Cadmium selenide tellurium is a compound containing cadmium, tellurium and selenium elements forming a combined solid. Hall measurements suggest that it is an ntype semiconductor. Related optical studies indicate that ... -
Auger electron spectroscopy study and depth profile analyses of the CaS:Eu2+ pulsed laser deposited thin luminescent films
(Springer Science+Business Media, 2016)This paper presents the results of a study of the chemical composition, depth profile analyses of pulsed laser deposited CaS:Eu2? thin films grown at different substrate temperatures. Using Auger electron spectroscopy, we ... -
Current-voltage characteristics of p-CuO/n-ZnO:Sn Solar cell
(Natural sciences publishing corporation, 2013)Abstract: A p-CuO/n-ZnO:Sn heterojunction solar cell has been fabricated on glass substrate in steps using Edwards AUTO 306 vacuum coater system. Copper oxide has energy band gap of the range 1.21-2.1 eV while tin doped ... -
PC 3,4 magnetic pulsations observed simultaneously in the magnetosphere and at multiple ground stations
(Reviews of Geophysics, 1991-09)Periods of magnetic conjugacy between ISEE and the magnetometer array of the Institute for Geological Sciences have been examined to search for the simultaneous occurrence of Pc 3,4 magnetic pulsations. When compressional ... -
Solar wind controlled pulsations: A review
(Reviews of Geophysics, 1986-02)Abstract Studies of the solar wind controlled Pc 3, 4 pulsations by early and recent researchers are highlighted. The review focuses on the recent observations, which cover the time during the International Magnetospheric ... -
Synthesis procedures for silver nanoparticles
(2015)This article gives some proposals on how to grow silver nanoparticles using different methods. Dilute silver salts are recommended as the metal precursor starting solutions. The formation of the silver nanoparticles is ... -
Optical and electrical characterization of ZnS:Sn thin films for solar cell application
(2016)Tin Doped Zinc Sulphide (ZnS:Sn) thin films are a special kind of material that exhibit electrical conductivity and at the same time, high transmittance in visible region making it suitable for Solar Cell applications. ... -
Electrical behaviour of Zinc Sulphide (ZnS)thin films grown by chemical bath deposited
(2014-12)At room temperature, thin films of Zinc Sulphide were grown on microscope glass slides. Precursor solution from aqueous solutions of Zinc chloride in which ammonia solution as a source of Zn 2+ ; Triethanalomine (TEA) ... -
Optical and electrical properties of CdO: Sn thin films for solar cell applications
(Scientific & Academic Publishing, 2014)Tin doped Cadmium Oxide (CdO:Sn) thin films were successfully deposited by thermal evaporation in the Edward’s Auto 306 Magnetron Sputtering System. Their optical and electrical properties were studied using Solid Spec-3700 ... -
Modeling transfer of electrons between energy states of an electrolyte and CdS thin films using Gerischer Model
(ABC Journals, 2015)A number of models have been developed to describe electron transfer between electrolytes and group II–VI binary semiconductors. In this report, a study was conducted to describe and model electron transfer between ... -
Design and fabrication of a simple four point probe system for electrical characterization of thin films
(2011-07)The electrical characteristics of semiconductor thin films are of great practical interest in microelectronics industry hence the need to measure these parameters in a cheaper and faster manner possible. In this study, ... -
Crystallization kinetics of In40Se60 thin films for phase change random access memory (PRAM) applications
(2015-06)Chalcogenide based semiconductors have attracted much attention recently due to their applications in solid state devices (SSD). Chalcogenide phase change memory is considered as a potential replacement of flash memory due ... -
Crystallization kinetics of sputter-deposited amorphous AgInSbTe films
(American Institute of Physics (AIP), 2001-10)AgInSbTe films have recently attracted considerable interest as advanced materials for phase change recording. For this application the determination of crystallization kinetics is of crucial importance. In this work the ... -
Optical and electrical properties of Snse thin films for solar cell applications.
(Institute for Condensed Matter Physics, 2014)Tin Selenide (SnSe) thin films were optimised for thin film solar cell applications. The thin films were successfully deposited by thermal evaporation using Edward’s Auto 306 Magnetron Sputtering System. Their optical and ... -
Characterization of Aluminum Doped Zinc Oxide (Azo) Thin Films Prepared by Reactive Thermal Evaporation for Solar Cell Applications
(OMICS International, 2015)Aluminium doped Zinc Oxide (AZO) thin films have been deposited using reactive thermal evaporation technique using an Edward Auto 306 Magnetron Sputtering System. Transmittance and reflectance data in the range 300 nm-2500 ... -
Thermal and Diffusion Characterization of High Density Polyethylene/Cellulose Blend Inoculated with Aspergillus niger Fungus
(IJST Publications UK, 2014)Wider applications of plastics in packaging and agriculture have raised serious issue of waste disposal and pollution. The synthetic plastics normally resist microbial degradation and persist in the environment for longer ... -
Review of Fluoride Removal from Water by Adsorption using Soil Adsorbents – An Evaluation of the Status
(IWA publishing, 2015)The fate of excessive fluoride in water is cause for serious public health concerns worldwide. Water defluoridation using various technologies therefore continues to attract disproportionate research interest from around ... -
Optical and Electrical Properties of Pbs Thin Films Grown by Chemically Bath Deposition [CBD] at Different Lead Concentrations
(Academicians Research Center, 2014)Lead sulphide [PbS] thin films were deposited on glass slide substrates using the chemical bath deposition [CBD] technique at room temperature for 120 minutes. Optical properties of the thin films were measured by ... -
Effect of Annealing and Surface Passivation on Doped SnO2 Thin Films Prepared by Spray Pyrolysis Technique
(Science Publishing Group, 2015)In this study doped SnO2 thin films have been prepared by spray pyrolysis technique using an alcoholic precursor solution consisting of stannic chloride (SnCl4.5H2O), ammonium fluoride (NH4F) and palladium chloride (PdCl2). ...
