Browsing International Journal of Nanoelectronics and Materials (IJNeaM) by Title
Now showing items 212-231 of 454
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Impact of rain attenuation in Borneo using free space optics propagation
(Universiti Malaysia Perlis (UniMAP), 2021-12)In recent years, Free Space Optics (FSO) communication provides attractive bandwidth enhancement with unlicensed bands worldwide spectrum. However, the link capacity and availability are the major concern in the different ... -
The impact of working gas on heat transfer performance of tube banks heat exchanger in a thermoacoustic system
(Universiti Malaysia Perlis (UniMAP), 2022-03)Thermoacoustic system is a system introduced as an alternative technology for refrigerators or heat engine because it uses environmentally friendly gases as a working medium. Thermoacoustic system usually uses noble ... -
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, ... -
Implementing drone as flood inundation laboratory measurement tool
(Universiti Malaysia Perlis (UniMAP), 2021-08)Interest in flood inundation study keep increasing due to the increment in the flood hazard around the world. Although the main interest is numerical approach, hydraulic model experiment is still needed. This is because ... -
Improvement of the cement mortar properties using recycled waste materials
(Universiti Malaysia Perlis (UniMAP), 2022-04)Ceramic tiles as well as brick waste materials from building demolition and black tea waste have caused major environmental issues. As a result, one of the primary objectives of sustainable solid waste management is ... -
Improving event classification using Gammatone Filter for distributed acoustic sensing
(Universiti Malaysia Perlis (UniMAP), 2021-12)The phase optical time domain reflectometry (Φ-OTDR) system offers several advantages suitable for distributed acoustic sensing application. It has long sensing range, great antielectromagnetic interference, and high ... -
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 annealing temperature on some properties of TiO2/Au thin films prepared by rf and dc magnetron sputtering methods
(Universiti Malaysia Perlis (UniMAP), 2022-01)This paper uses RF and DC magnetron sputtering techniques to prepare TiO2/Au thin film on glass substrates. TiO2thin film was deposited under a power of 150 Watt for 90 min. by RF magnetron sputtering technique and achieved ... -
Influence of Ar gas on optical and morphology properties of films (CdS) prepared by pulse laser deposition (PLD) technique
(Universiti Malaysia Perlis (UniMAP), 2022-01)Cadmium sulfide thin films, formed by pulse laser deposition method, resulted in CdS thin films deposited on glass substrate with different Ar gas (5, 10 and 15) torr. Structural (X-ray) diffraction, morphological (atomic ... -
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 sintering temperature on density, hardness, shrinkage and microstructure of Alumina-Zirconia cutting tool
(Universiti Malaysia Perlis (UniMAP), 2021-08)The confederation of Alumina (Al2O3) and Zirconia (ZrO2) has emerged as a promising ceramic framework for advanced machine tool applications. The mechanical properties of the Al2O3-ZrO2 cutting tool are critically dependent ... -
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 ... -
Intelligent irrigation system using rain water harvesting system and fuzzy interface system
(Universiti Malaysia Perlis (UniMAP), 2021-12)Shortage of water has become a predominant problem all over the world as water plays an important role in agriculture, domestic and industry. In certain parts of the world, farmers face problems watering their crops ... -
Investigation of Pantai Punggur coastal erosion by using UAV Photogrammetry
(Universiti Malaysia Perlis (UniMAP), 2022-03)The shoreline is the line that marks the boundary between water and land. Monitoring and analysing shoreline changes is critical because it provides a greater understanding of the shoreline changes as well as the ... -
Investigation of plasma induced etch damage/changes in AlGaN/GaN HEMTs
(Universiti Malaysia Perlis (UniMAP), 2021-12)In this work, we report on the processing and device characteristics of AlGaN/GaN HEMT devices to investigate the effects of silicon dioxide (SiO2) etching using Fluoroform (CHF3) gas prior to gate metal deposition. Three ...