Now showing items 213-232 of 249

    • Structural and optical properties of PbI2 nanostructures obtained using the thermal evaporation method 

      Safaa I. Mohammed; Yarub, Al-Douri, Assoc. Prof. Dr.; Uda, Hashim, Prof. Dr.; Naser Mahmoud, Ahmed, Dr.; R., Al-Gaashani (NRC Research Press, 2013-10)
      Lead iodide (PbI2) nanostructures were successfully prepared using the thermal evaporation method on a glass substrate at room temperature. The structural properties were analyzed using X-ray diffraction, which revealed ...
    • Structural properties of PbI₂ thin film 

      Safaa, I. Mohammed; Naser, M. Ahmed; Yarub, Al-Douri, Assoc. Prof. Dr.; Uda, Hashim, Prof. Dr. (Trans Tech Publications, 2014-01)
      Lead iodide (PbI₂) thin films were successfully prepared by thermal evaporation method on a glass substrate at room temperature. The structural analysis of these films was done by XRD. The results revealed that the crystallite ...
    • Structural, analysis and optical studies of cadmium sulfide nanostructured 

      Abdulwahab, S.Z. Lahewil; Yarub, Al-Douri, Assoc. Prof. Dr.; Uda, Hashim, Prof. Dr.; Naser Mahmoud, Ahmed, Dr. (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      Cadmium sulfide (CdS) thin films of nanostructure were prepared and deposited on glass substrates with Cd:S (1.2 to 0.05 mol/L) annealed at 400ºC and different spin coating speed (1000 and 5000 rpm) using sol-gel spin ...
    • Structural, analysis and optical studies of cadmium sulfide nanostructured 

      Abdulwahab, S. Z. Lahewil; Yarub, Al-Douri, Assoc. Prof. Dr.; Uda, Hashim, Prof. Dr.; Naser Mahmoud, Ahmed, Dr. (Elsevier Ltd., 2013)
      Cadmium sulfide (CdS) thin films of nanostructure were prepared and deposited on glass substrates with Cd:S (1.2 to 0.05 mol/L) annealed at 400ºC and different spin coating speed (1000 and 5000 rpm) using sol-gel spin ...
    • Structural, morphological and optical studies of CdS nanostructures 

      Abdulwahab, S. Z. Lahewil; Yarub Al-Douri, Dr.; Uda, Hashim, Prof. Dr.; Ahmed, N. M. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      Cadmium sulfide (CdS) thin films of nanostructure were prepared with Cd:S (1.2 to 0.05 mol/L) and different spin coating speed (1000 and 5000 rpm) using sol-gel spin coating technique. Structural, morphological and ...
    • Structural, Optical, Electrical, and Photoresponse Properties of Postannealed Sn-Doped ZnO Nanorods 

      Qazi, Muhammad Humayun; Muhammad Khasif; Uda, Hashim (Hindawi Limited, 2013)
      Tin (Sn) doped ZnO nanorods were synthesized on glass substrate using a sol-gel method. The synthesized nanorods were postannealed at 150, 350, and 500∘ C. The surface morphologies of Sn-doped ZnO nanorods at different ...
    • A study for optimum productivity yield in 0.16μm mixed of wafer fabrication facility 

      Mohd Azizi, Chik; Ve, Chun Yung; Balakrishna, Puvaneswaran; Uda, Hashim, Prof. Dr.; Ibrahim, Ahmad; Bashir, Mohamad (Institute of Electrical and Electronics Engineers (IEEE), 2010-06-28)
      This research is to study the opportunity to achieve optimum productivity yield in 0.16μm product mixed through understanding the impact of loading utilization towards the capacity. The study is important to model the ...
    • Study of frequency dependent electrical properties of ZnO nanorods 

      Muhammad Kashif, Muhammad Faroow; Uda, Hashim, Prof. Dr.; Syed Muhammad Usman, Ali Shah, Dr.; Zafar Hussain, Ibupoto; Willander, Magnus, Prof. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      Impedance spectroscopy is used to study the frequency dependent electrical parameters such as impedance, dielectric constant and conductivity of ZnO nanorods MSM structure in the range of 1 Hz to 10MHz under atmospheric ...
    • Study of frequency dependent electrical properties of ZnO nanorods 

      Muhammad Kashif, Muhammad Faroow; Uda, Hashim, Prof. Dr. (Emerald Group Publishing Limited, 2013)
      Purpose - The purpose of the current research is to use impedance spectroscopy to study the AC parameters that varied with frequency such as impedance, dielectric constant and conductivity of ZnO nanorods MSM structure in ...
    • Study of the cycle time behavior for product scaling 0.16um and smaller in foundry 

      Mohd Azizi, Chik; Uda, Hashim, Prof. Dr. (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      This research is to study the cycle time behavior for 0.16um and smaller geometry for wafer product once its started in wafer manufacturing facility. The overall configuration of the process, product, manufacturing and ...
    • Study of zinc oxide films on SiO2/Si substrate by sol-gel spin coating method for pH measurement 

      Foo, Kai Loong; Muhammad Kashif, Muhammad Faroow; Uda, Hashim, Prof. Dr. (Trans Tech Publications, 2013)
      This In this work, zinc oxide film was deposited onto the SiO2/Si substrate with low-cost sol-gel spin coating method. Zinc oxide thin film was deposited on the silver interdigit elctrodes for the pH measurement. The surface ...
    • Study of ZnO thin film on silicon substrate by sol-gel spin coating method for bio-medical application 

      Foo, Kai Loong; Mohammad, Kashif; Uda, Hashim, Prof. Dr.; Syed Muhammad Usman, Ali Shah, Dr.; Willander, M., Prof. (Institute of Electrical and Electronics Engineers (IEEE), 2012-02-27)
      Transparent semiconductor ZnO thin films deposited on p-Si (100) substrates with different solvent (Methanol and Ethanol) were obtained by sol-gel method. The coated ZnO films were annealed in furnace at 500°C for 2 hours. ...
    • A study on the effect of calcination temperature on the graphitization of carbon nanotubes synthesized by the decomposition of methane 

      Liu, Wei Wen, Dr.; Tijjani Adam, Shuwa; Azizan, Aziz, Assoc. Prof. Dr.; Chai, Siang Piao; Abdul Rahman, Mohamed, Prof. Dr.; Uda, Hashim, Prof. Dr. (Trans Tech Publications, 2014)
      The effect of calcination temperature for Fe2O3/MgO catalysts on the formation of carbon nanotubes (CNTs) was examined. CNTs were synthesized over Fe2O3/MgO catalysts calcined at different temperatures by catalytic ...
    • Study the optical characteristic of ZnO nanostructure through annealing at various time period 

      Haarindra Prasad, s/o Rajintra Prasat; Uda, Hashim, Prof. Dr.; Foo, Kai Loong; Tijjani Adam, Shuwa; Mohd Shafiq (Trans Tech Publications, 2014)
      Main purpose of this research is to study the optical and electrical characteristic of zinc oxide material after undergoing annealing process at various time period. Hypothesis of this research have proved that the physical ...
    • Subnanometer poly-silicon gap structure formation: Comparison study between size expansion and size reduction 

      Uda, Hashim, Prof. Dr.; Nazwa, Taib; Thikra, S. Dhahi (American Institute of Physics., 2012)
      This study describes the comparison among the three fabrication methods of an array of poly-silicon nanogap structures. The three different methods are size expansion technique (SET), size reduction technique (SRT) and ...
    • Superior performance and reliability of copper wire ball bonding in laminate substrate based ball grid array 

      Chong, Leong Gan; Classe, Francis; Uda, Hashim, Prof. Dr. (Emerald Group Publishing Limited, 2013)
      Purpose - The purpose of this paper is to provide a systematic method to perform long-term reliability assessment of gold (Au) and copper (Cu) ball bonds in fineline ball grid array package. Also with the aim to study the ...
    • Surface modification of titanium dioxide thin film for ss-DNA detection 

      Sharipah Nadzirah; Uda, Hashim, Prof. Dr. (Trans Tech Publications, 2014)
      This paper studies the Capacitance-Frequency of titanium dioxide (TiO₂) thin film-based interdigitated electrodes (IDEs) for ss-DNA immobilization. TiO₂ thin film was deposited on P-type silicon dioxide (SiO₂) (1 0 0) ...
    • Surface tension analysis of cost-effective paraffin wax and water flow simulation for microfluidic device 

      Nurulazirah, Md Salih; Uda, Hashim, Prof. Dr.; Nafarizal, Nayan, Prof. Madya Dr.; Chin, Fhong Soon; Mohd Zainizan, Sahdan, Dr. (Trans Tech Publications, 2014)
      In microfluidic devices, the most important aspect has to be considered for the manufacturing process is the material suitability and geometric design. Among the materials studied, paraffin wax has never been tested and ...
    • Swine-Specific PCR-RFLP Assay Targeting Mitochondrial Cytochrome B Gene for Semiquantitative Detection of Pork in Commercial Meat Products 

      M. Eaqub, Ali; Uda, Hashim, Prof. Dr.; S., Mustafa; Yaakob, Che Man (Springerlink, 2011)
      Verification of pork adulteration in commercial meat products is increasingly important for the authentication of Halal labels in processed foods. Here, we documented a PCR-restriction fragment length polymorphism (RFLP) ...
    • Synthesis and film investigation of titania 

      Sharipah Nadzirah; Uda, Hashim, Prof. Dr. (Trans Tech Publications, 2014)
      Titania or titanium dioxide (TiO2) thin film has been synthesized via sol-gel method with monoethanolamine (MEA) as a catalyst. The mixing of titanium butoxide as a precursor, ethanol as a solvent and MEA were stirred using ...