Browsing Journal Articles by Subject "Nanotechnology"

Now showing items 1-10 of 10

    • 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; Shahrir, Salleh; Elley Nadia, Elliazir (Universiti Malaysia Perlis, 2008)
      Nanotechnology development offers the promise of advances within and connections across many disciplines-biology, chemistry, physics, materials science and engineering. Determination of the critical success factors in ...

    • 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 ...

    • Quantum Dot Cellular Automata: A New Paradigm for Digital Design 

      Bilal, Bisma; Ahmed, Suhaib; Kakkar, Vipan (Universiti Malaysia Perlis (UniMAP), 2018-01)
      Quantum Dot Cellular Automata (QCA) is a newly developed paradigm for digital design, which holds the potential as possible alternative to the present Complementary Metal Oxide Semi‐Conductor (CMOS) technology. After ...

    • 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 ...

    • 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. ...

    • Terahertz detection using nanorectifiers 

      Shahrir Rizal, Kasjoo, Dr.; Aimin, Song, Prof. (Institute of Electrical and Electronics Engineers (IEEE), 2013-12)
      We report on the low-temperature detection of free-space radiation at 1.5 THz using a unipolar nanodiode, known as the self-switching diode (SSD), coupled with a spiral microantenna. The SSD, based on an asymmetric ...

    • Three-dimensional uniaxially aligned nanofibre construct using secondary electrode assisted gap electrospinning 

      A. H., Nurfaizey; M. A., Salim; N., Tamaldin; R., Nadlene; A. A., Kamarolzaman; N., Tucker (Universiti Malaysia Perlis (UniMAP), 2020-05)
      Electrospinning is a simple, versatile, and scalable method of producing polymeric nanofibres from a solution or melt using electric charge. Due to their nanometre-scale diameters, electrospun fibres have been the subject ...