Browsing Uda Hashim, Prof. Ts. Dr. by Title
Now showing items 189-208 of 244
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Sensitivity of A-549 human lung cancer cells to nanoporous zinc oxide conjugated with Photofrin
(Springer-Verlag London Ltd., 2012-05)In the present study, we demonstrated the use of nanoporous zinc oxide (ZnO NPs) in photodynamic therapy. The ZnO NPs structure possesses a high surface to volume ratio due to its porosity and ZnO NPs can be used as an ... -
Shallow junction formation: A simulation based study of thermal diffusion by spin-on-dopants technique
(AENSI Publications, 2012)Ultra shallow junction fabrication in large scaled integrated (ULSI) technology is one of the difficult challenges in device manufacturing. Low energy ion implantation is the most widely used technique at present to form ... -
Si-quantum Dots (QD) and SiO2 tunnel barriers
(Universiti Malaysia Perlis (UniMAP)Pejabat Timbalan Naib Canselor (Penyelidikan dan Inovasi), 2008-07)Oxidation of Si for nanostructures on silicon-on-insulator (SOI) substrates is a key process in the fabrication of Si single electron transistor (SET). The most di cult aspect of the fabrication process is the formation ... -
Silicon nanowire sensor by mix and match lithography process: Fabrication and characterization
(American Institute of Physics, 2012-06-06)Silicon nanowires (SiNWs) have attracted significant interest in the study because of their potential to impact applications from nanoscale electronics to biomedical engineering. E-Beam Lithography couple with standard ... -
Silicon Nanowires
(Malaysian Invention and Design Society (MINDS), 2007-05-18)Silicon Nanowires is a new class of materials that have attracted attention and great research interest in the last few years because of their great potential applications in nanotechnology such as: - nanoelectronic ... -
Silicon Nanowires
(AFAG Messen & Ausstellungen GmbH, 2007-11-01)Silicon Nanowires with diameter or width of the order of a nanometer or 10o meter and length of the order of microns propel for a novel research in the construction of atomically controlled periodic systems with reduced ... -
Silicon Nanowires Based DNA Biosensor
(Malaysia Association of Research Scientists (MARS), 2010-02-04)This research describes the fabrication of silicon nanowire for DNA hybridization detection in biosensor application. The SiNWs are fabricated by electron beam lithography and followed by deposition of contact metals. Aurum ... -
A silicon-oxide-silicon vertically separated electrode nanogap device structure
(American Institute of Physics, 2009-06-01)In this study, we present a simple method to form a nanogap between two silicon contacts separated by a thin oxide gap. We also demonstrate the validity of dielectric spectroscopy results of two wafer samples (different ... -
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 ...