Recent Submissions

  • Effect of alignment mark depth on alignment signal behavior in advanced lithography 

    Normah, Ahmad; Uda, Hashim; Mohd Jeffery, Manaf; Kader Ibrahim, Abdul Wahab (Universiti Malaysia Perlis, 2008)
    Finding a robust alignment strategy is one of the key evaluations in defining photolithography process. Alignment is a process to determine how the current pattern is placed on the wafer. Alignment is done by an optical ...
  • Application of gold nanoparticles for electrochemical DNA biosensor 

    Ahmed Mishaal, Mohammed; Ruslinda, Abdul Rahim, Dr.; Ibraheem Jaleel, Ibraheem; Foo, Kai Loong; Hasrul Hisham, Che Ahmad; Uda, Hashim, Prof. Dr.; Yarub, Al-Douri, Assoc. Prof. Dr. (Hindawi Publishing Corporation, 2014)
    An electrochemical DNA biosensor was successfully fabricated by using (3-aminopropyl)triethoxysilane (APTES) as a linker molecule combined with the gold nanoparticles (GNPs) on thermally oxidized SiOthin films. The SiOthin ...
  • Preparation of ZnO nanodisks using hydrothermal method and sensing to reductive gases 

    Shahid, Hussain; Liu, Tianmoa; Muhammad Kashif, Muhammad Faroow; Miao, Bin; Lin, Liyang; Zeng, Wen; Muhammad, Rashad; Peng, Xianghe; Pan, Fushang (Springer Science+Business Media New York, 2014-10)
    ZnO nanodisks exhibiting regular hexagonal structures were successfully synthesized using two surfactants via a hydrothermal method. The surfactants, namely, cetyltrimethylammonium bromide and sodium dodecyl sulfate, had ...
  • Influence of shear strength on long term biased humidity reliability of Cu ball bonds 

    Chong, Leong Gan; Uda, Hashim, Prof. Dr. (Springer Science+Business Media New York, 2014-10)
    This paper compares and discusses the influence of shear strength (in terms of shear-per mils-square) of Au and Cu ball bonds on the biased humidity reliability performance in SOIC 8LD leaded package. Biased (HAST) highly ...
  • Design development of acoustic waves based sensitive sensors for Escherichia coli O157:H7 detection 

    Seng Teik, Ten; Uda, Hashim, Prof. Dr.; Ahmad, Sudin; Wei Wen, Liu; Kai Loong, Foo; N.H.M., Salleh; Hasrul, Hisham; Nazwa, T. (Trans Tech Publications Inc., 2014-04)
    Food contamination has become critical issue and is being worse due to the insensitive detection devices. One of the dangerous food contaminations is by Escherichia coli (E.coli) O157:H7, one of the harmful bacterial ...
  • Study of titanium dioxide thin film by sol-gel method 

    Sharipah Nadzirah; Uda, Hashim, Prof. Dr.; N. Malihah (Trans Tech Publications Inc., 2014-04)
    Titanium dioxide (TiO2) thin films based interdigitated electrodes (IDEs) have been synthesized using sol-gel method with hydrochloric acid (HCl) as catalyst. The prepared TiO2 solution has been deposited onto silicon ...
  • Structural Properties of Zn-PbI₂ Nanostructures 

    Safaa, I. Mohammed; Yarub, Al-Douri, Assoc. Prof. Dr (Trans Tech Publications Inc., 2014-04)
    The structural properties of Zn-doped and undoped lead iodide ( PbI2 ) nanostructures have been investigated. Zn-doped and undoped of ( PbI2 ) have been grown by chemical technique. Different doped and undoped PbI2 when ...
  • Characterization of nanostructured heterojunction solar cells of CdS/Cd₂ₓ(CuIn)₁₋ₓS₂ grown by chemical spray Pyrolysis 

    Hamid S., Al-Jumaili; Mohammed Z., Al-Rawi; Yarub, Al-Douri, Prof. Dr. (Trans Tech Publications Inc., 2014-04)
    A nanostructured heterojunction of CdS/Cd2x(CuIn)1-xS2 with x=0.2 was prepared by chemical spray pyrolysis on ITO/glass substrate at 350 °C. The X-ray diffraction pattern obtained from CdS/Cd2x(CuIn)1-xS2 solar cell confirmed ...
  • Modeling development of a high-sensitivity escherichia coli O157:H7 detection based on SH SAW sensor 

    Seng Teik, Ten; Uda, Hashim, Prof. Dr.; Ahmad Sudin; Wei Wen, Liu; Kai Loong, Foo; N.H.M. Salleh; Hasrul, Hisham; Nazwa, T. (Trans Tech Publications, 2014-04)
    Surface acoustic waves based devices were initially developed for the telecommunication purpose such as signal filters and resonators. The acoustic energy is strongly confined on the surface of the surface acoustic waves ...
  • Structural and electrical properties of titania thin films 

    Sharipah Nadzirah; Uda, Hashim; N. Malihah (Trans Tech Publications, 2014-04)
    This research studies the properties of titanium dioxide (TiO2) nanoparticles synthesized by two different stabilizers via sol-gel method. Acetic and hydrochloric acids have been used as stabilizers to form two different ...
  • 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 ...
  • The effect of electrolyte temperature on formation of porous aluminium oxide films in anodising process 

    Juyana, A Wahab         ; Mohd Nazree, Derman, Dr.; Zuraidawani, Che Daud (AENSI Publisher All rights reserved, 2013-10)
    A porous aluminium oxide film formed on aluminium was prepared in a mixed electrolyte of phosphoric acid and acetic acid solution. The morphology, growth and thickness of the film were investigated. The anodising process ...
  • Nanoelectrode chrome photomask design and specification for biosensor fabrication 

    Balakrishnan, Sharma Rao; Uda, Hashim, Prof. Dr. (Trans Tech Publications, 2013)
    This paper explains the most crucial part of any microchip fabrication, which is the mask design for photolithography process. The design is initially sketched roughly to meet the design specification and later on designed ...
  • Microfluidic photomask design using CAD software for application in lab-on-chip biomedical nano diagnostics 

    Balakrishnan, Sharma Rao; Uda, Hashim, Prof. Dr. (Trans Tech Publications, 2013)
    Photomasks are used as stencil to print images on semiconductor material. This study represents design and specifications of photomask for microfluidic fabrication. For a precise pattern transfer, the photomask should meet ...
  • ZnO nanorod ultraviolet photodetector on porous silicon substrate 

    Reza, Shabannia; Haslan, Abu Hassan, Prof. Dr.; Hadi Mahmodi, Sheikh Sarmast; Nima, Naderi; Husnen R., Abd (IOP Publishing Ltd, 2013)
    Vertically high-density ZnO nanorods were successfully synthesized on a porous silicon (PS) substrate by chemical bath deposition method. The structural and optical investigations revealed that the ZnO nanorods grown on ...
  • Structural, elastic, electronic and optical properties of the newly synthesized monoclinic Zintl phase BaIn₂P₂ 

    Guechi, N.; Abdelmadjid, Bouhemadou; S., Bin-Omran; M., Chegaar; Yarub, Al-Douri, Assoc. Prof. Dr.; Rabah, Khenata, Prof. Dr.; A., Bourzami (Elsevier, 2014-03)
    The present study explores the structural, elastic, electronic and optical properties of the newly synthesized monoclinic Zintl phase BaIn₂P₂ using a pseudopotential plane-wave method in the framework of density functional ...
  • Synthesis and characterization of In₂O₃nanoparticles 

    Ayeshamariam, A.; Muhammad Kashif, Muhammad Faroow; Muthu Raja, S.; Sivaranjani, S.; Sanjeeviraja, C.; Bououdina, M. (The Korean Physical Society, 2014-01)
    Metal-oxide nanostructures have elicited increasing interest in both fundamental and applied sciences. Among metal oxide nanostructures, In₂O₃ has the potential for use asa semiconductor material. This article provides ...
  • Effects of reaction time on the morphological, structural, and gas sensing properties of ZnO nanostructures 

    Shahid, Hussain; Tianmo, Liu; Muhammad Kashif, Muhammad Faroow; Lin, Liyang; Wu, Shufang; Weiwei, Guo; Wen, Zeng; Uda, Hashim, Prof. Dr. (Elsevier, 2014-02)
    Morphological transformation was achieved from ZnO hexagonal needle-like rods to hexagonal flower-like rods by varying the reaction growth time using the hydrothermal method. Optical bandgap energies were calculated from ...
  • Selective growth of ZnO nanorods on microgap electrodes and their applications in UV sensors 

    Qazi Muhammad, Humayun; Muhammad Kashif, Muhammad Faroow; Uda, Hashim, Prof. Dr.; Ahsanulhaq, Qurashi (Springer, 2014-01)
    Selective area growth of ZnO nanorods is accomplished on microgap electrodes (spacing of 6μm) by using a facile wet chemical etching process. The growth of ZnO nanorods on a selected area of microgap electrode is carried ...
  • External temperature and pressure effects on thermodynamic properties and mechanical stability of yttrium chalcogenides YX(X=S, Se and Te) 

    Seddik, T.; Rabah, Khenata, Prof. Dr.; Abdelmadjid, Bouhemadou; Guechi, N.; Sayede, Adlane D.; Varshney, Dinesh; Yarub, Al-Douri, Assoc. Prof. Dr.; Ali Hussain, Reshak, Prof. Dr.; Bin-Omran, S. (Elsevier B.V., 2013)
    The full potential linearized augmented plane wave method within the framework of density functional theory is employed to investigate the structural, thermodynamic and elastic properties of the yttrium chalcogenides (YX: ...

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