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Now showing items 21-30 of 150
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 ...
Optically enhanced N doped ZnO amorphous nanostructures grown by low cost ultrasonicated sol–gel route
(Universiti Malaysia Perlis (UniMAP), 2022-07)
N doped ZnO amorphous nanostructures with excellent optical properties were grown by the ultrasonicated sol-gel route. The samples were characterized using structural, morphological and optical studies. XRD patterns confirmed ...
Correlation between surface texturing on pre-plated leadframe and delamination phenomenon in automotive packaging
(Universiti Malaysia Perlis (UniMAP), 2022-07)
Poor adhesion between mold compound and leadframe in integrated circuit packaging for automotive devices can cause serious reliability issue and degrade the package quality. This study aims to evaluate and understand the ...
Effect of yeast content as pores forming agent on porous alumina ceramic
(Universiti Malaysia Perlis (UniMAP), 2022-01)
This research is carried out to determine the effect of yeast content on the physical, mechanical and macrostructure properties of porous alumina ceramic material. The porous ceramic material was fabricated through the ...
Preparation and investigation of gold nanoparticles by the technique of laser ablation for biological application
(Universiti Malaysia Perlis (UniMAP), 2022-07)
This paper utilises environmentally friendly and cost-effective methods for the synthesis of gold nanoparticles (AuNPs) using distilled water (DW) solution via liquid pulse laser ablation (PLAL) technique with wavelength ...
Fabrication of cobalt ferrite nanoparticles with a facile approach: Variations in structural, dielectric and morphological properties by influence of annealing temperature
(Universiti Malaysia Perlis (UniMAP), 2022-01)
Spinel ferrites have a significant impact due to its physical and chemical properties. The sol-gel route has been employed in the present work, for achieving single phase nano-crystalline cobalt ferrites. All these samples ...
Structural, optical properties and Raman Spectroscopy of In2O3 Doped LiTaO3 thin films
(Universiti Malaysia Perlis (UniMAP), 2022-01)
In this experiment, undoped, 2 wt.%, 4 wt.% and 6 wt.% In2O3 doped LiTaO3 thin films were successfully prepared by utilizing a spin coater to carry out chemical solution deposition on the substrate surface (CSD method). ...
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 ...
Experimental assessment of flaxseed gel on mechanical and physical properties of mortar
(Universiti Malaysia Perlis (UniMAP), 2022-01)
Based on all previous researches on using natural biomaterials to develop physical and mechanical properties of mortar, the extracted gel from the flaxseed as bio-admixture is examined and tested as a sustainable chemical ...
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 ...