Browsing International Journal of Nanoelectronics and Materials (IJNeaM) by Issue Date
Now showing items 1-20 of 454
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Electric field distribution in weakly absorbing monolayer at oblique incidence of light
(Universiti Malaysia Perlis, 2013)Calculation of the electric filed intensity of light incident obliquely on a single layer of SnO2 thin-film coating of weakly absorbing material is presented. The analysis utilizes matrix formulas based on Abele's formulas ... -
Studies on physical properties of nanocrystalline Cu₂S thin fims prepared by modified chemical bath deposition methos (M-CBD)
(Universiti Malaysia Perlis, 2013)Nanocrystalline Copper sulphide thin films evoked much attention due to their vast potential in various fields. The Cu₂S thin films have wide range of well perspective applications such as photovoltaic cells, tubular solar ... -
Z-Scan measurement of optical nonlinearities for (3GO) dye
(Universiti Malaysia Perlis, 2013)In this paper a sensitive single-beam technique for measuring both the nonlinear refractive index and nonlinear absorption coefficient for 3GO dye were reported. Descriptions for the experimental details and theoretical ... -
Mechanical properties and structure formation amorphous of Zr₅₉Ta₅Cu₁₈Ni₈Al₁₀ bulk metallic glass alloy
(Universiti Malaysia Perlis, 2013)In the present paper thermal stability and structure of Zr₅₉Ta₅Cu₁₈Ni₈Al₁₀ (numbers indicate at.%) glassy alloys were investigated. The structural studies revealed an amorphous structure for the rod with a diameter of 2 ... -
Evaluation of energy band gap of porous silicon using Newton-Raphson method
(Universiti Malaysia Perlis, 2013)Silicon thin films have been prepared on sapphire substrate using pulsed laser deposition (PLD) technique. The films were deposited in vacuum from a silicon target at a base pressure of 10-4 mbar within energy range from ... -
Low-power and high-performance 1-bit set Full-adder
(Universiti Malaysia Perlis, 2013)An adder is an important element of all arithmetic and logic units. The recent trend in Nanotechnology is moving towards the need of the devices, which consume low power. The Single Electron Transistor (SET), distinguish ... -
Effects of thermal annealing on Ti/Al Ohmic contacts on quarternary n-Al₀.₀₈In₀.₀₈Ga₀.₈₄N alloy film
(Universiti Malaysia Perlis, 2013)Ohmic contacts of Ti/Al have been fabricated on n-type Al₀.₀₈In₀.₀₈Ga₀.₈₄N to determine the specific contact resistivity (SCR) using transmission line method (TLM). The measurements are performed on Ti/Al contacts which ... -
Characterization and optical studies of pure and Sb doped ZnO nanoparticles
(Universiti Malaysia Perlis, 2013)In the present work, a direct precipitation method using wet chemical reaction was used to synthesize pure and Sb doped ZnO nanoparticles. The zinc nitrate and sodium hydroxide were used as staring materials or precursors ... -
Metal oxide nanoparticles suspension for optoelectronic devices fabrication
(Universiti Malaysia Perlis, 2013)In the present work, simple and single step method has been used to prepare metal oxide Nanoparticles suspension, this done by laser ablation of pure metal in liquid, While direct spraying of the prepared of the prepared ... -
The influence of aluminium doping and oxygenation on the porperties of YBa₂Cu₃-ₓAlₓO₆.₅+δ (0≤x≥0.045) HTSC
(Universiti Malaysia Perlis, 2013)The effect of Al₂O₃ particle addition on the crystal structure and superconducting properties of YBa₂Cu₃O₆.₅+δ (YBCO) ceramics is systematically studies. Samples were synthesized using a solid reaction to prepare YBa₂Cu₃O7-δ ... -
Surface conductivity of aligned carbon nanotubes in silica gel
(Universiti Malaysia Perlis, 2013)Carbon nanotubes (CNT) have attracted considerable attention since their discovery [1]. This is due to their unique physical properties and many potential applications. CNT have been investigated for possible application ... -
Current voltage characteristics modeling of polycrystalline CdTe-CdS solar cell different grain-sizes of CdTe
(Universiti Malaysia Perlis, 2013)A model is developed to explain the current-voltage (J-V) characteristics of polycrystalline CdTe-CdS solar cells with different grain sizes of CdTe. Analytical expressions are derived for J-V characteristics by solving ... -
Comparsion of the physical properties for Cds and Cds doved PVA thin prepared by spray pyrolysis
(Universiti Malaysia Perlis, 2013)Cadmium sulphide (CdS) and CdS doped with PVA semiconductor thin films were prepared by chemical pyrolysis technique. The thickness of the films was varied in the range (1.281, 1.367, 1.421, 1.485) μm and (1.722, 1.776, ... -
On the application of positron spectroscopy to heteronanostrutures
(Universiti Malaysia Perlis, 2013)The band structure calculations have been performed for the defect-free GaAS-AIAs superlattice and the electron-positron momentum density distributions have been computed. The comparison of data of calculations with the ... -
The response of a window glass to the frequencies of sound
(Universiti Malaysia Perlis, 2013)There are a several methods for detecting sound inside a building. In research a method of a bean splitter is used for detecting sound and therefore reflectance and transmittance of windows to the sound have been studied. ... -
Effect of device parameters on transmission coefficient of Al₀.₃Ga₀.₈N/GaN Resonant Tunneling Diode grown on silicon substrate
(Universiti Malaysia Perlis, 2013)AlGaN/GaN Resonant Tunneling Diodes (RTD) have increasingly become important since these are ideally suited for high power, high frequency performance and capable of providing negative differential resistance at room ... -
Mechanical and thermal behavior of hybrid nano composite
(Universiti Malaysia Perlis, 2014)The paper focused on the study to improve the mechanical and thermal stability of the composite material by adding fibre reinforced plastic and iron oxide nano fillers. The paper also on study of Nanocomposite material ... -
Thermal and photoluminescence propersties of Nd ³⁺ doped tellurite nanoglass
(Universiti Malaysia Perlis, 2014)Series of glass based on (75-x)TeO₂-15MgO-10Na₂O-xNd₂O₃, where x=0, 1.0, 2.0, and 3.0 are synthesized by conventional melt-quenching technique. The nanoglass particles are derived from heat treatment of this glass near ... -
Optical constact of the poly vinyl alcohol grafted Rhodamine B (PVA-g-Rh B)
(Universiti Malaysia Perlis, 2014)The optical constants of the prepared PVA-g-Rh B thin films have been studied. The real and imaginary part of the complex refractive index and dielectric constant of the copolymer were determined. The optical conductivity ... -
Structural and optical studies of Eu³⁺ doped nanocrystalline tellurite glass
(Universiti Malaysia Perlis, 2014)A series of transparent glasses with composition (80-x) TeO2 - 15 MgO - (x) Eu2O3, over the concentration region of 0 - 2.5 mol% were obtained using conventional melt-quenching technique. The nanocrystalline glass samples ...