Now showing items 158-177 of 185

    • Smart Rash Driver System via Internet of Things (IoT) 

      Kong, Sheau Tong; Mohd Natashah, Norizan; Ili Salwani, Mohamad (EDP Sciences, 2017)
      Nearly half a million accidents on Malaysians road occur in 2015. The aim of this research is to detect car speed, capture the photo of the speeding car and then transfer the data like car speed, date and time, location ...
    • Sol-gel synthesis and characterization of Ba1-xGdxTiO3+δ thin films on SiO2/Si substrates using spin-coating technique 

      Teh, Yen Chin; Ala’eddin, A. Saif; Prabakaran, Poopalan (Kaunas University of Technology (Lithuania), 2017)
      Ba1-xGdxTiO3+δ, at x = 0, 0.05, 0.1, 0.15, 0.2, (BGT) thin films have been fabricated on SiO2/Si substrate using sol-gel method. The microstructure and surface morphology of the fabricated films have been investigated ...
    • Structural and electronic properties of bulk GaP and AlP and their (GaP)n / (AlP)n superlattices 

      M., Merabet; S., Benalia; D., Rached; A., Bouhemadou; S., Omran; Ali H., Reshak; M., Rabah (Elsevier Ltd., 2011-02)
      The structural and the electronic properties of binary GaP and AlP compounds and their superlattices are investigated using the recent version of the first-principles full potential linear muffin-tin orbitals method ...
    • 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, elastic, electronic, optical and thermal properties of c-SiGe2N4 

      Bouhemadou, A.; Yarub K.A, Al-Douri; Khenata, R.; Haddadi, K. (Springer Verlag, 2009-09)
      We have investigated the structural, elastic, electronic, optical and thermal properties of c-SiGe2N4 by using the ultrasoft pseudopotential density functional method within the generalized gradient approximation. The ...
    • Structure refinement strategy of Li-based complex oxides using GSAS-EXPGUI software package 

      Mohd Sobri, Idris, Dr.; Rozana Aina, Maulat Osman, Dr.  (Trans Tech Publications, 2013)
      This paper discussed refinement strategy that been used to reveal crystallographic properties of lithium-based complex oxides with layered rock salt structure. Rietveld analysis using XRD data was used to determine the ...
    • The surface characteristics of under bump metallurgy (UBM) in electroless nickel immersion gold (ENIG) deposition 

      Mohd Khairuddin, Md Arshad; Ibrahim, Ahmad; Azman, Jalar; Ghazali, Omar (Elsevier Science, 2006)
      This paper discusses on the surface characteristics of each of the seven set-up process steps prior completion of under bump metallurgy (UBM) deposition. The Atomic Force Microscopy (AFM) and Scanning Electron Microscopy ...
    • Surface modification via wet chemical etching of single-crystalline silicon for photovoltaic application 

      Ali Hussain, Reshak, Prof. Dr.; Mukhzeer, Mohamad Shahimin, Dr.; Safizan, Shaari; N., Johan (Elsevier Ltd., 2013-11)
      The potential of solar cells have not been fully tapped due to the lack of energy conversion efficiency. There are three important mechanisms in producing high efficiency cells to harvest solar energy; reduction of light ...
    • The surface morphology characterization of electroless nickel immersion gold under bump metallurgy (UBM) using SEM 

      Mohd Khairuddin, Md Arshad; Mohd Nazrin, Md Isa; Sohiful Anuar, Zainol Murad (American Institute of Physics, 2007-05-09)
      This paper presents the surface morphology characterization at each process step in electroless nickel immersion gold (ENIG) deposition using Scanning Electron Microscope (SEM). The characterization start at initial bond ...
    • Surface roughness analysis on reactive ion etched aluminium deposited wafer 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Aaron, Koay Terr Yeow (Trans Tech Publications, 2014)
      This paper investigates the factors that affect the surface roughness on an Aluminium deposited wafer after reactive ion etching (RIE) using a combination of Tetrafluoromethane (CF₄) and Oxygen (O₂) gaseous. A total of ...
    • Surface roughness and wettability correlation on etched platinum using reactive ion ecthing 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Aaron, Koay Terr Yeow; Goh, Siew Chui; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah (Trans Tech Publications, 2014-01)
      As the world of semiconductor is moving towards smaller and high-end applications, the quality of the bonding adhesion for wire bonding is very critical. Although aluminium has been the metallization of choice in integrated ...
    • Surface roughness scrutinizaton with RIE CF₄+Argon gaseous on platinum deposited wafer 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Aaron, Koay Terr Yeow; Siew Chui, Goh; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah (Trans Tech Publications, 2014)
      Aluminium metallization has a disadvantage when it comes to high-end applications as it cannot withstand the high temperature and pressure. This paper studies the factors that affect the surface roughness on a Platinum ...
    • Surface state on first-order ferroelectrics 

      Junaidah, Osman; Tilley, David Reginald; Rosy, Teh; Ishibashi, Y.; Mohamad Nazri, Abdul Halif; Khian, Hooi Chew (Springer Berlin / Heidelberg, 2006)
      In the presence of a surface the Landau-Devonshire equations of ferroelectricity must be extended to include a boundary condition. For a ferroelectric with a second-order transition in the case when the polarization p(z) ...
    • Symmetry energy of nuclear matter at low densities and clustering at the nuclear surface 

      Zaliman, Sauli, Dr.; Nooraihan, Abdullah; Khairul Anwar, Mohamad Khazali; Qamar Nasir, Usmani, Prof. Dr. (IOP Publishing Ltd, 2012)
      We present a density functional theory which connects nuclear matter equation of state, which incorporates clustering at low densities, with clustering in medium and heavy nuclei at the nuclear surface. This explains the ...
    • Temperature cycling analysis for ball grid array package using finite element analysis 

      Muhammad Nubli, Zulkifli; Zul Azhar, Zahid Jamal, Prof. Dr.; Ghulam, Abdul Quadir (Emerald Group Publishing Limited, 2011)
      Purpose – The purpose of this paper is to discuss the capability of finite element analysis (FEA) in performing the virtual thermal cycling reliability test to evaluate the reliability of solder joints in a ball grid array ...
    • 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 ...
    • Ultra-thin body and thin-BOX SOI CMOS technology analog figures of merit 

      Kilchytska, Valeria I.; Mohd Khairuddin, Md Arshad; Makovejev, Sergej; Olsen, Sarah H.; Andrieu, Francois; Poiroux, Thierry; Faynot, Olivier; Raskin, Jean Pierre; Flandre, Denis (Elsevier Ltd., 2012-04)
      In this paper, we analyze, for the first time to our best knowledge, the perspectives of ultra-thin body and ultra-thin BOX (UTBB) SOI CMOS technology for analog applications. We show that UTBB is a promising contender ...
    • Under Bump Metallurgy (UBM)-a technology review for flip chip packaging 

      Mohd Khairuddin Md Arshad; Uda Hashim; Muzamir Isa (Department of Mechanical Engineering, University Malaya, 2007)
      Flip chip packaging technology has been utilized more than 40 years ago and it still experiencing an explosives growth. This growth is driven by the need for high performance, high volume, better reliability, smaller size ...
    • Uninterruptible power supply monitoring system with Visual Basic 

      Sohiful Anuar, Zainol Murad; Mohd Nazrin, Md Isa; Norazeani, Abdul Rahman (Universiti Malaysia PerlisSchool of Microelectronic Engineering, 2006-12-29)
      In industrial process today, reliability of equipment is very important. Power supply must be able to cater the need of industrial process. In case of power failure, backup power supply system must be able to support the ...
    • UTBB SOI MOSFETs analog figures of merit: Effects of ground plane and asymmetric double-gate regime 

      Mohd Khairuddin, Md. Arshad; Makovejev, Sergej; Olsen, Sarah H.; Andrieu, F.; Raskin, Jean Pierre; Flandre, Denis; Kilchytska, Valeriya I. (Elsevier Ltd., 2013)
      In this work we investigate the effect of ground plane (GP) on analog figures of merit (FoM) of ultra-thin body and thin buried oxide (UTBB) SOI MOSFETs. Based on experimental devices, both n- and p-type GP configurations ...