Browsing School of Microelectronic Engineering (Articles) by Title

Now showing items 69-88 of 185

    • Ferroelectric and relaxor ferroelectric to paralectric transition based on Lead Magnesium Niobate (PMN) materials 

      Rozana Aina, Maulat Osman, Dr.; Mohd Sobri, Idris, Dr.; Zul Azhar, Zahid Jamal, Dato Prof. Dr.; Sanna, Taking, Dr.; Syarifah Norfaezah, Sabki, Dr.; Poopalan, Prabakaran, Dr.; Mohd Natashah, Norizan; Ili Salwani, Mohamad (Trans Tech Publications, 2013)
      First ferroelectric materials were found in Rochelle salt was in a perovskite structure. Lead Magnesium Niobate (PMN) is a perovskites with a formula of PbMg1/3Nb2/3O3 (PMN) and are typical representatives for most of all ...

    • Fibrous material density difference analysis using light reflectance 

      Ong, Tee Say; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah (Trans Tech Publications, 2014)
      The objective of this work is designed and fabricated a lab module tester to differentiate the different type of printing paper quality which available commercially was done. Laser light source was used to differentiate ...

    • Fibrous material surface reflectance analysis 

      Ong, Tee Say; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Nur Izza, Mohd Nor; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah (Trans Tech Publications, 2014)
      The light inspection on surface finishing of most product measurement is an important feature in the industries. In this study, a lab module tester for examination on the different type quality of tissue paper quality was ...

    • Film bulk acoustic wave resonator filter for Ku-band applications 

      Nurul Izza, Mohd Nor, Dr.; Kriyang, Shah; Singh, Jugdutt; Zaliman, Sauli, Dr. (Trans Tech Publications (TTP), 2013)
      The design and analysis of Ku-band ladder-type filters based on film bulk acoustic wave resonator (FBAR) is presented. The proposed FBAR filter has an insertion loss of -3dB, out-of-band rejection of -12dB, centre frequency ...

    • Finite element analysis of thermal distributions of solder ball in flip chip ball grid array using ABAQUS 

      Yap, Boon Kar, Dr.; Noor Azrina, Talik; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan (Emerald Group Publishing Limited, 2013)
      Purpose - The increased use recently of area-array technology in electronic packaging has similarly increased the importance of predicting the thermal distribution of area-array solder interconnection. As the interconnection ...

    • First principles study of the structural, elastic and electronic properties of Ti2InC and Ti2InN 

      Benayad, N.; Khenata, R.; Litimein, F.; Reshak, Ali Hussin; Rabah, M.; Baltache, H. (World Scientific Publishing Company, 2011-04-20)
      The structural, elastic and electronic properties of Ti2InC and Ti2InN compounds have been calculated using the full-potential linear muffin-tin orbital (FP-LMTO) method. The exchange and correlation potential is treated ...

    • First-principles calculations of structural, elastic, electronic, and optical properties of perovskite-type KMgH3 crystals: Novel hydrogen storage material 

      Ali Hussain, Reshak, Prof. Dr.; Mikhail Y., Shalaginov; Yasir, Saeed; Kityk, I. V.; Auluck, S. (American Chemical Society, 2011-03-31)
      We report a first-principles study of structural and phase stability in three different structures of perovskite-types KMgH3 according to H position. While electronic and optical properties were measured only for stable ...

    • First-principles study of spin-polarized electronic band structures in ferromagnetic Zn1-xTMxS (TM = Fe, Co and Ni) 

      Saeed, Y.; Nazir, S.; Ali H. Reshak, Al-Jaary; Shaukat, A. (Elsevier B. V., 2010-10-22)
      We report a first-principles study of structural, electronic and magnetic properties of crystalline alloys Zn1-x TMx S (TM = Fe, Co and Ni) at x = 0.25. Structural properties are computed from the total ground state ...

    • Foot plantar pressure measurement system: A review 

      Abdul Hadi, Abdul Razak; Zayegh, Aladin; Begg, Rezaul K.; Yufridin, Wahab (MDPI, Basel, Switzerland., 2012)
      Foot plantar pressure is the pressure field that acts between the foot and the support surface during everyday locomotor activities. Information derived from such pressure measures is important in gait and posture research ...

    • FP-APW + lo calculations of the elastic properties in zinc-blende III-P compounds under pressure effects 

      A., Bouhemadou; R., Khenata; M., Kharoubi; Yarub K.A, Al Douri; T., Seddik; Ali H., Reshak (Elsevier B.V., 2009-04)
      The effect of high-pressures on the structural and elastic properties of XP zinc-blende compounds, with X = B, Al, Ga and In, has been investigated using the full-potential augmented plane wave plus local orbitals method ...

    • FP-LAPW investigation of structural, electronic, linear and nonlinear optical properties of ZnIn2Te4 defect-chalcopyrite 

      Ayeb, Y.; Ouahrani, T.; Khenata, R.; Reshak, Ali H.; Rached, D.; Bouhemadou, A.; Arrar, A. (Elsevier B. V., 2010-12)
      A theoretical study of structural, electronic, linear and nonlinear optical properties of ZnIn2Te4 defect-chalcopyrite is presented using the full-potential linearized augmented plane-wave (FP-LAPW) method. The exchange ...

    • FPGA based SPWM Bridge Inverter 

      Mohd Nazrin, Md Isa; Muhammad Imran, Ahmad; Sohiful Anuar, Zainol Murad; Mohd Khairuddin, Md Arshad (Science Publications, 2007)
      This study presents methodology to generate sinusoidal pulse width modulation (SPWM) signal using Field Programmable Gate Array, FPGA technology. We discussed the unipolar switching scheme and the methodology to generate ...

    • FSS microchannel fluid flow profile investigation at high and low Re number 

      Nor Shakirina, Nadzri; Retnasamy, Vithyacharan; Zaliman, Sauli, Dr.; Tan, Hsio Mei; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
      The fundamental understanding of dynamic fluid flow behavior in different geometry channel is crucial due to transport phenomena influence on the key design and process control of the microfluidic systems. Recently, the ...

    • Full potential study of the elastic, electronic, and optical properties of spinels MgIn2S4 and CdIn2S4 under pressure effect 

      F., Semari; R., Khenata; M., Rabah; A., Bouhemadou; S., Omran; Ali H., Reshak; D., Rached (Elsevier Inc., 2010-12)
      The structural, elastic, electronic, and optical properties of cubic spinel MgIn2S4 and CdIn2S4 compounds have been calculated using a full relativistic version of the full-potential linearized-augmented plane wave with ...

    • GaN Schottky barrier photodiode on Si (1 1 1) with low-temperature-grown cap layer 

      Chuah, Lee Siang; Z., Hassan; H., Abu Hassan; Naser Mahmoud, Ahmed (Elsevier B.V., 2009-07)
      In this work, GaN films were grown on three-inch silicon substrates by plasma-assisted molecular beam epitaxy (PAMBE) with AlN (about 200 nm) as the buffer layer. Finally, a thin AlN cap layer (50 nm) was grown on the GaN ...

    • Growth of GaN quantum dots using [(C2H5)4]Si by plasma assisted MOCVD 

      Arsyad, F. S.; Subagio, A.; Sutanto, H.; Arifin, P.; Budiman, M.; Barmawi, M.; Husien, I.; Zul Azhar, Zahid Jamal (Institute of Electrical and Electronics Engineering (IEEE), 2006-07)
      Growth of GaN quantum dots on AlGaN layer using [(C2H 5)4]Si [TESi] by plasma assisted metal organic chemical vapor deposition (PA-MOCVD) is reported. The surface profile of the grown GaN quantum dot was determined by ...

    • Heat dissipation analysis under natural convection condition on high power LED 

      Vairavan, Rajendaran; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
      As the technology downscales with superior power and increased package density, the thermal effects of the high power LED are significant. Thus, the operating junction temperature of the high power light emitting diodes ...

    • Heat sink fin number variation analysis on single chip high power LED 

      Zaliman, Sauli, Dr.; Vairavan, Rajendaran; Retnasamy, Vithyacharan (Trans Tech Publications, 2014-01)
      Thermal management of high power LED is crucial the reliability and performance of the LED affected by the heat produced during photon emission. Heat sinks are utilized to dissipate the heat and to lower the operating ...

    • Height measurement based on fringe projection 

      Retnasamy, Vithyacharan; Zaliman, Sauli, Dr.; Nor Shakirina, Nadzri; Veriven, Christopher John (Trans Tech Publications, 2014)
      A three-dimensional surface measurement using fringe projection technique has received attention among the researches for the last few decades.However choosing the best method is the challenge because one needs to consider ...

    • High efficiency, good linearity, and excellent phase linearity of 3.1-4.8 GHz CMOS UWB PA with a current-reused technique 

      Sohiful Anuar, Zainol Murad; Pokharel, R. K.; Sapawi, R.; Kanaya, H.; Yoshida, K. (Institute of Electrical and Electronics Engineers (IEEE), 2010-08)
      This paper describes the design of 3.1 to 4.8 GHz CMOS power amplifier (PA) for ultra-wideband (UWB) applications using 0.18-m CMOS technology. The UWB PA proposed here employs cascode topology with a currentreused technique ...