Browsing Uda Hashim, Prof. Ts. Dr. by Title
Now showing items 197-216 of 244
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A simple one-step anodising method for the synthesis of ordered porous anodic alumina
(Taylor & Francis, 2014)Porous anodic alumina (PAA) has been produced on aluminium substrate by single-step anodising at 50 V in 0.3 M oxalic acid at 15°C for 60 min. The highly ordered pore and cell structure was achieved by subjecting the PAA ... -
A simple oxidation technique for quantum dot dimension shrinkage and tunnel barriers generation
(Elsevier B.V., 2007-05)The tunnel barriers generation and the quantum dot size shrinkage play a significant role in single-electron transistor (SET) fabrication. Because the numerically etch indicators were not found, the technical indicators, ... -
Simulation of 1GHz center frequency SAW using CST software for biosensor application
(IDOSI Publications, 2013)Surface Acoustic Wave (SAW) is a one of the essential components that used for sensor application to detect in various fields. The high center frequencywill improve the sensitivity of SAW biosensor. Therefore, it's very ... -
SOI Single-Electron Transistors (SET) design and process development
(Kolej Universiti Kejuruteraan Utara Malaysia, 2005-05-18)Single-electron transistor (SET) is attractive devices to use for large-scale integration. SET can be made very small, dissipate little power, and can measure quantities of charge much faster than MOSFETs. This makes SET ... -
Sol-gel derived ZnO nanoparticulate films for ultraviolet photodetector (UV) applications
(Elsevier GmbH, 2013-11)Zinc oxide nanoparticles based UV detector was fabricated on thermally oxidized silicon substrate. ZnO nanoparticle films were deposited using sol-gel route. The seed solution was prepared using two different solvents ... -
Sol-gel synthesis of Pd doped ZnO nanorods for room temperature hydrogen sensing applications
(Elsevier Ltd and Techna Group S.r.l., 2013-08)A sol-gel spin coating technique was described for the synthesis of Pd doped ZnO nanorods for hydrogen sensing applications. The nanorods were hexagonal in shape, 50-100 nm in diameter and uniform in distribution. They ... -
Sol-gel synthesis of ZnO nanorods for ultrasensitive detection of acetone
(American Scientific Publishers, 2013-12)ZnO nanorods were synthesized on low cost thermally oxidized silicon substrate using a simple and easily performable sol-gel spin coating technique followed by hydrothermal growth. C-axis orientation, good crystalline ... -
Species authentication methods in foods and feeds: The present, past, and future of halal forensics
(Springer Science+Business Media, LLC., 2012-09)We extensively reviewed the existing as well as the potentials of the molecular biology and nanotechnology methods for the identification of animal-derived materials in foods and feeds. The verification of animal-derived ... -
The state of the arts: Simulation of nanostructures using COMSOL multiphysics
(Trans Tech Publications, 2014)Currently, Computer simulation has become an essential part of nanotechnology and engineering and science. Digital analysis of components, in particular, is important when developing new products or optimizing designs. ... -
Structural and impedance spectroscopy study of Al-doped ZnO nanorods grown by sol-gel method
(Emerald Group Publishing Limited, 2012)Purpose – The purpose of this paper is to investigate the electrical transport mechanism of the Al-doped ZnO nanorods at different temperatures by employing impedance spectroscopy. Design/methodology/approach – Al-doped ... -
Structural and morphological studies of cadmium sulfide nanostructures
(Trans Tech Publications, 2013)Cadmium sulfide (CdS) nanostructures were prepared with different spin coating speed 1000 and 3000 rpm and molarities of Cd:S to be 1.2 to 0.01 mol/L using sol-gel spin coating technique. It is found that the average grain ... -
Structural and optical investigations of cadmium sulfide nanostructures for optoelectronic applications
(Elsevier Ltd., 2012-11)Cadmium sulfide (CdS) nanostructures were deposited on glass substrates by sol–gel spin coating technique. X-Ray Diffraction (XRD) results have indicated that the formation of CdS has hexagonal structure. The lattice constants ... -
Structural and optical properties of PbI2 nanostructures obtained using the thermal evaporation method
(NRC Research Press, 2013-10)Lead iodide (PbI2) nanostructures were successfully prepared using the thermal evaporation method on a glass substrate at room temperature. The structural properties were analyzed using X-ray diffraction, which revealed ... -
Structural properties of PbI₂ thin film
(Trans Tech Publications, 2014-01)Lead iodide (PbI₂) thin films were successfully prepared by thermal evaporation method on a glass substrate at room temperature. The structural analysis of these films was done by XRD. The results revealed that the crystallite ... -
Structural, analysis and optical studies of cadmium sulfide nanostructured
(Malaysian Technical Universities Network (MTUN), 2012-11-20)Cadmium sulfide (CdS) thin films of nanostructure were prepared and deposited on glass substrates with Cd:S (1.2 to 0.05 mol/L) annealed at 400ºC and different spin coating speed (1000 and 5000 rpm) using sol-gel spin ... -
Structural, analysis and optical studies of cadmium sulfide nanostructured
(Elsevier Ltd., 2013)Cadmium sulfide (CdS) thin films of nanostructure were prepared and deposited on glass substrates with Cd:S (1.2 to 0.05 mol/L) annealed at 400ºC and different spin coating speed (1000 and 5000 rpm) using sol-gel spin ... -
Structural, morphological and optical studies of CdS nanostructures
(Universiti Malaysia Perlis (UniMAP), 2012-06-18)Cadmium sulfide (CdS) thin films of nanostructure were prepared with Cd:S (1.2 to 0.05 mol/L) and different spin coating speed (1000 and 5000 rpm) using sol-gel spin coating technique. Structural, morphological and ... -
Structural, Optical, Electrical, and Photoresponse Properties of Postannealed Sn-Doped ZnO Nanorods
(Hindawi Limited, 2013)Tin (Sn) doped ZnO nanorods were synthesized on glass substrate using a sol-gel method. The synthesized nanorods were postannealed at 150, 350, and 500∘ C. The surface morphologies of Sn-doped ZnO nanorods at different ... -
A study for optimum productivity yield in 0.16μm mixed of wafer fabrication facility
(Institute of Electrical and Electronics Engineers (IEEE), 2010-06-28)This research is to study the opportunity to achieve optimum productivity yield in 0.16μm product mixed through understanding the impact of loading utilization towards the capacity. The study is important to model the ... -
Study of frequency dependent electrical properties of ZnO nanorods
(Universiti Malaysia Perlis (UniMAP), 2012-06-18)Impedance spectroscopy is used to study the frequency dependent electrical parameters such as impedance, dielectric constant and conductivity of ZnO nanorods MSM structure in the range of 1 Hz to 10MHz under atmospheric ...