Browsing International Journal of Nanoelectronics and Materials (IJNeaM) by Title
Now showing items 155-174 of 344
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High-Yield and stepwise synthesis of graphene oxide by modified Hummers’ method
(Universiti Malaysia Perlis (UniMAP), 2019-10)Graphene is a carbon-based material that has attracted tremendous attention due to its eccentric chemical and physical properties. Additionally, graphene can be converted into graphene oxide (GO) or reduced graphene oxide ... -
High‐k Gate Dielectric Selection for Germanium based CMOS Devices
(Universiti Malaysia Perlis (UniMAP), 2018-04)This paper presents a systematic approach of material selection for gate oxide material in Germanium (Ge) based CMOS Devices. Various possible high‐k gate dielectrics that can be stacked with Ge substrates are Al2O3, ... -
The impact of a mismatch on the interfacial stresses in NanoComposite
(Universiti Malaysia Perlis, 2014)The study investigates the influence of the mismatch on the interfacial stresses in a nanofiber reinforced composite using finite element analysis (FEA). It is assumed that the mismatch exists between the nanofiber and the ... -
Impact of interface traps and parasitic capacitance on gate capacitance of In0.53Ga0.47As-FinFET for sub 14nm technology node
(Universiti Malaysia Perlis (UniMAP), 2019-07)FinFET technology has emerged to be one of the advanced nanoscale devices for Moore’s Law. The presence of several parasitic components in FinFET has significant effect on the device performance for the channel length of ... -
Implementation of Sawtooth Wavelet Thresholding for Noise Cancellation in One Dimensional Signal
(Universiti Malaysia Perlis (UniMAP), 2019-01)Wavelet families have different statistical characteristics and specifications which give them a different response against the same signal or image when they are used for a certain task such as signal denoising. Therefore, ... -
Improvement in processing of micro and nano structure fabrication using O₂ plasma
(Universiti Malaysia Perlis, 2011)Plasma has frequently been used by the industry as a last step surface preparation technique in an otherwise wet-etched process. Recent research of the chemistry of plasma led to a great understanding of plasma processes. ... -
Improving the optical properties of porphyrin ring with different substitutions: As candidate using in photosensitizer
(Universiti Malaysia Perlis (UniMAP), 2020-07)In this research, different donor and acceptor substitutions were employed in attachment with porphyrin molecule and the optical properties improvement of it was studied. It was shown that the substituted porphyrin formation ... -
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 ... -
Influence of Ca/P concentration on hydroxyapatite (HAp) from asian moon scallop shell (amusium pleuronectes)
(Universiti Malaysia Perlis (UniMAP), 2019-07)Hydroxyapatite (HAp) derived from the scallop shell was successfully prepared using a precipitation method and varying the Ca/P concentration. Scallop shells were calcined at 1000°C to produce CaO. The precursors were a ... -
Influence of co-doping on the structural, optical and magnetic properties of ZnO nanoparticles
(Universiti Malaysia Perlis, 2016)In this study, undoped ZnO and Co-doped ZnO (Zn₁-ₓCoₓO (x=0, 0.01, 0.03 and 0.05)) diluted magnetic semiconductor (DMS) nanoparticles were synthesized using coprecipitation method. The structural, optical and magnetic ... -
Influence of gamma irradiation on the electrical conductivity and dielectric properties of polypyrrole conducting polymer composite films
(Universiti Malaysia Perlis (UniMAP), 2019-10)Electrical conductivity and dielectric properties of polypyrrole conducting polymer composite films were investigated using gamma irradiation from 0 kGy up to 25 kGy. The AC conductivity is directly proportional to the ... -
The Influence of Nitrogen Pressure on the Structure of a-CNx Thin Films Prepared by PLD Method
(Universiti Malaysia Perlis (UniMAP), 2019-01)The structure of amorphous CNX thin films have a variety of chemical bond, and studies on these bonds ratios is very important because these ratios determine the appropriate technical use of these films. Therefore, this ... -
Influence of rapid thermal oxidation process on the optoelectronic characteristics of PSI devices
(Universiti Malaysia Perlis, 2009)The morphological properties of the freshly and oxidized porous silicon at oxidation time (60, 90) sec were studied. Eyes, can see a blue emission from PSi after thermal oxidation, we can obvious increasing energy gab, ... -
Influence of Ru3+ ions at Al/GaAs interface on Schottky diodes
(Universiti Malaysia Perlis, 2009)The current-voltage (I-V) and capacitance voltage (C-V) characteristics of Al/n-GaAs and Al/p-GaAs diodes on GaAs substrate treated by Ru3+ ions are investigated and compared with characteristics of GaAs diodes on GaAs ... -
Innovation with The use of probiotics as an eco-friendly tool for sewage and palm oil mill effluent treatment
(Universiti Malaysia Perlis (UniMAP), 2020-05)This research study is aimed to explore the potential of using probiotic, active microorganisms for both sewage and palm oil mill effluent (POME) treatment. Probiotic strain contains 10 types of Bacillus strains including ... -
An Innovative Method for Measuring the Optical Band Gap of Oxidized Surface Layer of Aluminum Tablets based on Absorption Spectra
(Universiti Malaysia Perlis (UniMAP), 2018-01)This research highlight an innovative method for calculating the optical band gap of thin layers of aluminum oxide resulting from the surface oxidation of non‐transparent samples of aluminum. The aluminum samples were ... -
InS semiconductor-metal hybrid structure (SMH) as a magnetic sensor prepared by flash evaporation
(Universiti Malaysia Perlis, 2010)n-type indium-Au van der Pauw (vdP) shape hybrid macro-structure were successfully fabricated by flash evaporation technique. The elemental composition of the prepared films was confirmed by energy dispersive X-ray ... -
Investigation of Al₃Ti₀.₅V₀.₅ Alloy
(Universiti Malaysia Perlis, 2010)The FP-LAPW method is employed and the gradient generalized approximation (GGA) is used to treat the exchange-correlation potential. In this study we considered the A₃Ti₀.₅V₀.₅ alloy case. In which we investigated the ... -
Investigation of low frequency dependence of output conductance in GaAs MESFET
(Universiti Malaysia Perlis, 2010)In this work, we experimentally investigate the effects of the extension of depletion regions in a GaAs MESFET on the frequency variation of the output conductance, gd, as well as the maximal relative variation, Δgdmax, ... -
An investigation of Structural Properties of Monometallic (Ag, Pd) and Bimetallic (Ag@Pd) Nanoparticles Growth on Macro Porous Silicon
(Universiti Malaysia Perlis (UniMAP), 2018-10)Monometallic nanoparticle Ag, Pd and bimetallic nanoparticles Ag@Pd with well-controlled morphology, uniform size, and regular alloy structure were produced by an ion reduction process with dangling bonds of porous layer ...