Now showing items 194-213 of 249

    • Silicon nanowire sensor by mix and match lithography process: Fabrication and characterization 

      Uda, Hashim, Prof. Dr. (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 

      Uda, Hashim, Prof. Dr.; Mohammad Nuzaihan, Md Nor; Nur Hamidah, Abdul Halim (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 

      Uda, Hashim, Prof. Dr.; Mohammad Nuzaihan, Md Nor; Nur Hamidah, Abdul Halim (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 

      Uda, Hashim, Prof. Dr.; Siti Fatimah, Abdul Rahman; Muhammad Emi Azri, Shohini (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 

      Noor, N. H. M.; Uda, Hashim, Prof. Dr.; Muhamad Emi Azry, Shohini; Nuri, A. M. M. (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 

      Voon, Chun Hong; Mohd Nazree, Derman, Dr.; Uda, Hashim, Prof. Dr.; Khairel Rafezi Ahmad, Dr.; Ho, Li Ngee (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 

      Madnarski Sutikno; Uda, Hashim, Prof. Dr.; Zul Azhar, Zahid Jamal, Prof. Dr. (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, ...
    • Simulasi Fabrikasi Simpangan Cetek Ultra menggunakan Resapan Dopan daripada SOD (Spin On Dopant) 

      Uda, Hashim; Nik Hazura, Nik Hamat; Fauziyah, Salehuddin; Ibrahim, Ahmad; Sutikno Madnasri (Universiti Malaysia Perlis, 2006)
      Pembentukan simpangan cetek ultra merupakan suatu proses yang kritikal dalam fabrikasi peranti-peranti submikron bagi teknologi litar terkamil pada masa hadapan. Di dalam penulisan ini, simulasi proses pembentukan simpangan ...
    • Simulation of 1GHz center frequency SAW using CST software for biosensor application 

      Mohd Rosydi, Zakaria; Uda, Hashim, Prof. Dr.; M. H. I., Mohd Amin; Tijjani Adam, Shuwa; M. Wesam, Al-Mufti (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 ...
    • Single-Electron Transistors (SET): literature review 

      Amiza, Rasmi; Uda, Hashim (Kolej Universiti Kejuruteraan Utara Malaysia, 2005)
      Single-electron transistor (SET) is a key element in our research field where device operation is based on one-by-one electron through the channel utilizing the Coulomb blockade effect. The SET are often discussed as ...
    • SOI Single-Electron Transistors (SET) design and process development 

      Amiza, Rasmi; Mohammad Nuzaihan, Md Nor; Uda, Hashim (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 

      Foo, Kai Loong; Muhammad Kashif, Muhammad Faroow; Uda, Hashim, Prof. Dr.; Md Eaqub, Ali, Dr. (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 

      Muhammad Kashif, Muhammad Faroow; Md. Eaqub, Ali, Dr.; Syed Muhammad Usman, Ali Shah, Dr.; Uda, Hashim, Prof. Dr. (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 

      Muhammad Kashif, Muhammad Faroow; Md. Eaqub, Ali, Dr.; Syed Muhammad Usman, Ali Shah, Dr.; Foo, Kai Loong; Uda, Hashim, Prof. Dr.; Willander, Magnus (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 

      Md. Eaqub, Ali; Muhammad, Kashif; Md. Kamal, Uddin; Uda, Hashim, Prof. Dr.; Shuhaimi, Mustafa, Prof. Madya Dr.; Yaacob, Che Man, Prof. Datuk Dr. (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 

      Uda, Hashim, Prof. Dr.; Tijjani Adam, Shuwa; Mohamen Wesam, Al-Mufti (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 

      Muhammad, Kashif; Uda, Hashim, Prof. Dr.; Md. Eaqub, Ali; Ala'eddin Ahmad Jaber, Saif, Dr.; Syed Muhammad Usman, Ali; Willander, Magnus, Prof (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 

      Abdulwahab, S. Z. Lahewil; Yarub, Al-Douri, Assoc. Prof. Dr.; Uda, Hashim, Prof. Dr.; Naser Mahmoud, Ahmed, Dr. (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 

      Abdulwahab, S.Z. Lahewil; Yarub, Al-Douri, Assoc. Prof. Dr.; Uda, Hashim, Prof. Dr.; Naser Mahmoud, Ahmed, Dr. (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 

      Safaa I. Mohammed; Yarub, Al-Douri, Assoc. Prof. Dr.; Uda, Hashim, Prof. Dr.; Naser Mahmoud, Ahmed, Dr.; R., Al-Gaashani (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 ...