Browsing Uda Hashim, Prof. Ts. Dr. by Subject "Nanotechnology"

Now showing items 1-9 of 9

    • Development of carbon nanotube based biosensor fabrication for medical diagnostics application 

      Syamsul, N. S. B. M.; Mohammad Nuzaihan, Md Noor; Uda, Hashim, Prof. Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2010-12-01)
      Carbon nanotubes are tiny hollow cylinders, made from a single grapheme sheet, that possess many amazing properties. Spurred by the Human Genome Project, deoxyribonucleic acid (DNA), carbon nanotube based biosensors are ...

    • Nano-silver microcavity enhanced UV GaN light emitter 

      Naser Mahmoud, Ahmed; Zaliman, Sauli; Uda, Hashim; Zul Azhar, Zahid Jamal (Inderscience Enterprises Limited, 2009)
      We report results of measurements that help to clarify the role of silver in the reflection of UV emission light from GaN. A GaN as an active layer was sandwiched between two silver metal reflectors. GaN layer on sapphire ...

    • Nanotechnology development in Malaysia: current status and implementation strategy 

      Uda, Hashim; Elley Nadia; Shahrir, Salleh (Universiti Malaysia Perlis, 2008-12-05)
      Nano-technology development needs all the support it could get to ensure the technology is being leveled up and benefits all mankind. Malaysia has started it own micro-technology and nano-technology development since the ...

    • Nanowire formation for single electron transistor using SEM based Electron Beam Lithography (EBL) technique: Positive tone vs negative tone e-beam resist 

      Mohammad Nuzaihan, Md Nor; Uda, Hashim; Nur Hamidah, Abdul Halim; Bajuri, S. N M (Nano Science and Technology Institute, 2006)
      Experimental studies of nanowires formation are carried out by using Scanning Electron Microscope Based Electron Beam Lithography (EBL) Technique with critical dimensions in less than 100nm. In order to complete the design ...

    • Polysilicon nanogap fabrication using a thermal oxidation process 

      Dhahi, T.S; Uda, Hashim, Prof. Dr.; Md. Eaqub, Ali; Nazwa, Taib (Emerald Group Publishing Limited., 2012)
      Purpose - Nanogap electrodes have important applications in power saving devices, electrochemical sensors and dielectric detections of biomolecules. The purpose of this paper is to report on the fabrication and characterization ...

    • A review on the label free nanowire based biosensor 

      Haarindra Prasad, s/o Rajintra Prasat; Uda, Hashim, Prof. Dr. (AENSI Publications, 2012)
      Advancement in nanotechnologies has encourage researchers to conduct studies related to nanowires formation. Studies regarding the types of nanowire based biosensors have been conducted and reported in this papers. Methods ...

    • 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 ...

    • 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. ...

    • A systematic dry etching process for profile control of quantum dots and nanoconstrictions 

      Madnarski, Sutikno; Uda, Hashim; Zul Azhar, Zahid Jamal (Elsevier B.V., 2007-08)
      In essence, quantum dot dimensions and others can be laterally and vertically defined by using either bottom up or top down methods respectively. In fabrication that uses top down method, etch process hold a chief role. ...