Browsing International Journal of Nanoelectronics and Materials (IJNeaM) by Title
Now showing items 276-295 of 454
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Niobium Pentoxide Thin Film Prepared using Simple Colloidal Suspension for Optoelectronic Application
(Universiti Malaysia Perlis (UniMAP), 2018-04)In this study, thin‐film microstructures of polymorphous niobium pentoxide were successfully prepared at a low temperature. Spin coating was employed to deposit the colloidal suspension before and after ultrasonic ... -
Noise properties of unipolar nanodiodes at elevated temperatures
(Universiti Malaysia Perlis (UniMAP), 2021-12)A unipolar nanodiode known as the self-switching diode has been demonstrated as a room-temperature terahertz detector, with its noise-equivalent-power value comparable to those of the state-of-the-art Schottky diodes. Here, ... -
Novel 8-3 encoder using single electron tunneling technology
(Universiti Malaysia Perlis, 2014)Single Electron Tunneling (SET) technology introduces more potential for feature size decrease compared to well-established silicon-based CMOS technology. The SET technology offers the ability to control the motion of ... -
Nualgi Nano Biotechnology Approach to Remediate Eco-Symbiosis for The Conservation of Catchment Lake
(Universiti Malaysia Perlis (UniMAP), 2020-05)Nualgi nano biotechnology, a natural biological treatment with the idea of eco-symbiosis is proposed in this research study for an in-situ treatment of the catchment lake. Nualgi nano nutrient was dosed into a catchment ... -
Numerical analysis of GNP/Ag Die-Attach adhesives with different thermal conductivity
(Universiti Malaysia Perlis (UniMAP), 2022-03)The thermal conductivities of a multilayer model of GNP/Ag hybrid die-attach material are explored using steady-state thermal modeling. The heat flux in multilayer GNP/Ag hybrid structures is shown to be highly layer ... -
Numerical Analysis of the Chemical Reactions Effects on NOx Conversion under Various Reduced Electric Fields
(Universiti Malaysia Perlis (UniMAP), 2018-07)The purpose of this work is to investigate the contribution of different chemical reactions that participate in NOx creation or reduction in N2/O2/H2O/CO2 mixed gas induced by negative corona discharge under different ... -
Numerical analysis of the effect graded Zn (O,S) on the performance of the graded CIGS based solar cells by SCAPS-1D
(Universiti Malaysia Perlis, 2016)We used a one-dimensional simulation program solar cell Capacitance Simulator in 1 Dimension (SCAPS-1D) to investigate Copper-Indium-Gallium-Diselenide- (CIGS-) based solar cells properties. CIGS Solar cells, constituted ... -
Numerical simulation and characterization of silicon based OR logic gate operation using self-switching device
(Universiti Malaysia Perlis (UniMAP), 2021-12)Logic gates are the main components inside the integrated circuit used for almost every technological application. Nowadays, in order to enhance the performance of the smart device, while targeting in cut down of the ... -
Numerical Simulation and Comparative Assessment of DG-HEMT Device for High-frequency Application
(Universiti Malaysia Perlis (UniMAP), 2019-01)The main objective of this paper is to investigate the DC and AC performances of GaN/InGaN/GaN Double Gate High Electron Mobility Transistor (DG-HEMT) based on innovative materials III-V in particular III-N materials ... -
Numerical Thermal Model of Diode Double-End-Pumped Solid State Lasers
(Universiti Malaysia Perlis (UniMAP), 2018-10)In this work, a numerical analysis based on finite element method (FEM) has been used to predict both the temperature distribution and focal length in CW Nd:YAG laser rod. The double end-pumped utilizing two different ... -
Observation of blue shift absorption for surface plasmon resonance in Gold Nano-Islands
(Universiti Malaysia Perlis (UniMAP), 2019-07)Controllable and predefined absorption are essential in the synthesis of new optoelectronic devices. In this work, an ion coater unit with a modified chamber is used to sputter the gold nano-islands onto glass substrates. ... -
Ohmic contacts optimisation for High-Power InGaAs/AlAs double-barrier resonant tunnelling diodes based on a dual-exposure e-beam lithography approach
(Universiti Malaysia Perlis (UniMAP), 2021-12)In this paper, we report on a simple test structure which can be used to accurately extract the specific contact resistivity ρc associated with metal-n++ InGaAs-based low-resistance Ohmic contacts through the transfer ... -
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 ... -
Optical and Structural Properties of ZnO:Au Nanocomposite Thin films
(Universiti Malaysia Perlis (UniMAP), 2018-07)Zinc Oxide (ZnO) nanoparticles were mixed carefully with gold (Au) nanoparticles. These chemical-compounds were used to make nanocomposite thin films by using the technique of spray pyrolysis. This work studies the XRD ... -
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 ... -
Optical fibre sensor using frequency beating technique
(Universiti Malaysia Perlis (UniMAP), 2020-04)In this paper, a new method to realize the optical fibre sensor using an optical heterodyne technique (OHT) is proposed and numerically demonstrated. In this method, the bandpass filter (BPF) was utilized as a reference ... -
Optical Gain and Confinement in Gaas/Algaas Structure Quantum Well Lasers
(Universiti Malaysia Perlis (UniMAP), 2018-01)In this paper we investigate the optical gain seen by the polarization modes for each of Transverse Electric (TE) and Transverse Magnetic(TM) of GaAs/Al0.32Ga0.68As quantumwell lasers. The factor confinement and modal ... -
Optical investigations of GaN deposited nano films using pulsed laser ablation in ethanol
(Universiti Malaysia Perlis (UniMAP), 2022-04)We provide an optical study on GaN thin film testing created by pulsed laser (ablation) in liquid. This study applied six different energies for ablated GaN nanoparticles in the liquid. According to the XRD test, the ... -
Optical modulator with ZnO bulk single crystals
(Universiti Malaysia Perlis (UniMAP), 2017)An optical modulator was fabricated with semiconductor ZnO by associating a nematic liquid crystal layer with indium–tin oxide. This device revealed the height variation in the phase and refractive index of irradiation ... -
Optical properties of manganese chiral single ring by glancing angle deposition technique
(Universiti Malaysia Perlis (UniMAP), 2017)Embracing physical vapor deposition system, GLAD method defines the deposition angle, α, in terms of vapor flux and normal substrate. The substrate rotation angle, φ, defines the azimuthal substrate position relative to ...