Now showing items 139-158 of 185

    • Photoinduced absorption and nonlinear optics of triglycine selenate single crystals under uniaxial pressure 

      Ozga, K.; Ali Hussein, Reshak, Prof. Dr.; Berdowski, J.; Tylczyński, Z.; Wojciechowski, A.; Ślȩzak, A.; Kityk, I. V. (Elsevier B.V., 2011-06-15)
      We studied an influence of uniaxial pressure on the triglycine selenate single crystals during simultaneous illumination by the continuous wave 532 laser at power about 300 mW. Simultaneously we have studied two-photon ...
    • Photoinduced effects in TiO2 nanocrystalline films with different morphology 

      Djaoued, Yahia; Ozga, K.; Wojciechowski, A.; Ali H. Reshak, Al-Jaary; Robichaud, J.; Kityk, I. V. (Elsevier B. V., 2010-10-22)
      The complex studies of photoinduced absorption, second harmonic generation and third harmonic generation were performed for TiO2 films of different morphology. In particular we have studied the influence of a bicolor laser ...
    • Photoinduced piezooptical changes caused by microsecond CO2 Infrared lasers in lead-germanate rare earth tridoped glasses 

      Pires Kassab, Luciana R.; Camilo, Mauricio Eiji; Ali Hussain, Reshak, Prof. Dr.; Plucinski, K. J. (Elsevier B.V., 2011-05-31)
      We have observed substantial influence of the illumination by 3.5 μs CO2 laser on the piezooptical coefficients of 59 PbO - 41 GeO 2 (in wt.%) glasses prepared with Tm2O3, Er2O3, Yb2O3 using the following concentrations ...
    • Photovoltaic characteristics of hybrid MEH-PPV-nanoparticles compound 

      Ali Hussain, Reshak, Prof. Dr.; Mukhzeer, Mohamad Shahimin, Dr.; Nurjuliana, Juhari; Vairavan, R. (Elsevier B.V., 2013)
      Organic solar cell research has vastly developed in recent years. These organic solar cells however are still limited to low power conversion efficiencies. This has led to the generation of photovoltaic cells based on ...
    • Physical characterization of BST with different (x') ratios 

      Nurhafizah, Ramli; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; They, Yee Chin; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah (Trans Tech Publications, 2014)
      Nowdays Barium strontium titanate (BST) can be applied into many fields of engineering. Its properties attracted more researchers to research and apply it into many fields of study. In this work, sol-gel method of preparing ...
    • The physics of Tsunami: basic understanding of the Indian Ocean disaster 

      Mohamad Nazri, Abdul Halif; Sharifah Norfaezah, Sabki (Science Publications, 2005)
      This study gives a simple physics explanation behind the Indian Ocean earthquake, called December 26th‘s Tsunami. The explanation based on physics energy conservation and wave properties have been used to understand this ...
    • Polymer core BGA stress analysis at minimal vertical loading 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Steven, Taniselass; Norazeani, Abdul Rahman; Muhamad Hafiz, Ab Aziz (Trans Tech Publications, 2012-12)
      Ball grid array is an interconnection method widely used in the electronic packaging industry. The reliability of the solder ball is being improved by introducing new materials for the solder ball. In this study, the stress ...
    • Prediction study of the structural and elastic properties for the cubic skutterudites LaFe4A12 (A = P, As and Sb) under pressure effect 

      Hachemaoui, M.; Khenata, R.; Bouhemadou, A.; S., Bin-Omran; Ali H. Reshak, Al-Jaary; Semari, F. (Elsevier Ltd., 2010-10)
      We have performed accurate ab initio total energy calculations using the full-potential linear augmented plane wave plus local orbitals method with the local density approximation for the exchangecorrelation potential ...
    • Relationship between controllable process parameters on bump height in ENIG 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Fairul Afzal, Ahmad Fuad; Ehkan, Phaklen, Dr.; Muhamad Hafiz,  Ab Aziz (Trans Tech Publications, 2013)
      This paper reports the factors that affect the bump height in electroless nickel immersion gold (ENIG) and their interrelation between each other. Bump height is a critical issue that needs to be investigated because a ...
    • Reproducibility of silicon single electron quantum dot transistor 

      Uda, Hashim; Sutikno, Madnarski (Nano Science and Technology Institute, 2006)
      In principle, based on the form of tunnel junction, single electron transistor (SET) can be classified into four types, i.e. nanowire SET, quantum dot SET, nanotube SET and point contact SET. Another classification is SET ...
    • The SEM & AFM images of MEH-PPV films below CLA region 

      Nurjuliana, Juhari; Wan Haliza, Abd Majid, Prof. Dr.; A. I., Zainol (Elsevier Ltd., 2013)
      Poly [2-methoxy-5--ethylhexyloxy)-1,4-phenylene vinylene] (MEH-PPV) is an example of conducting polymer that used to fabricate an organic light emitting diode (OLED). The surface roughness and homogeneity of MEH-PPV film ...
    • Shear ram height investigation for gold wire bond shear test 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Ahmad Husni, Mohd Shapri; Taniselass, Steven; Ong, T.S. (Trans Tech Publications, 2012-12)
      This paper presents the simulation of gold wire bond shear test. The stress and strain response of the gold ball bond during wire bond shear was examined. The simulation was done using a A 3D non-linear finite element ...
    • Shear ram speed characterization for copper wire bond shear test 

      Zaliman, Sauli, Prof. Madya Dr.; Retnasamy, Vithyacharan; Ahmad Husni, Mohd Shapri; Norazeani, Abdul Rahman; Wan Mokhzani, Wan Norhaimi; Taniselass, Steven; Abdul Halis, Abdul Aziz (Trans Tech Publications, Switzerland., 2012)
      This paper presents the evaluation of the stress and strain response of the copper ball bond during wire bond shear test using finite element analysis. A 3D non-linear finite element model was developed for the simulation. ...
    • Shear speed analysis on Sn-3.9Ag-0.6Cu Solder 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Fairul Afzal, Ahmad Fuad; Ehkan, Phaklen, Dr.; Ong, Tee Say; Vairavan, Rajendaran (Trans Tech Publications (TTP), 2013)
      Ball Grid Array (BGA) is a type of semiconductor interconnection used in Integrated Circuit (IC) which is being scaled down to micro and nano size. The reliability of BGA in IC becomes a concern as the size of IC reduces. ...
    • Shear strain analysis in FSS microchannel 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Nor Shakirina, Nadzri; Tan, Hsio Mei; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publications, 2013-10)
      Microfluidics has motivated the development of various fields in biological engineering due to its advantages. The favorable benefits of using microfluidicsare being easy to fabricate, requirement of minimal fluid volumes, ...
    • Silica microchannel fabrication using fluorine based rie with alas a mask 

      Wan Mokhzani, Wan Norhaimi; Retnasamy, Vithyacharan; Zaliman, Sauli, Assoc. Prof. Dr.; Taniselass, Steven; Ahmad Husni, Mohd Shapri; Norazeani, Abdul Rahman; Abdul Halis, Abdul Aziz (INSInet Publications, 2012-09)
      The silica microchannel fabrication process has been executed with Al thin films as the sacrificial layer during Reactive Ion Etching Process (RIE). CF4/Ar and SF6/Ar plasmas has been used to investigate etch rate of Al ...
    • A simple oxidation technique for quantum dot dimension shrinkage and tunnel barriers generation 

      Madnarski Sutikno; Uda, Hashim, Prof. Dr.; Zul Azhar, Zahid Jamal, Prof. Dr. (Elsevier B.V., 2007-05)
      The tunnel barriers generation and the quantum dot size shrinkage play a significant role in single-electron transistor (SET) fabrication. Because the numerically etch indicators were not found, the technical indicators, ...
    • 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 ...
    • Simulation of Brillouin and Rayleigh scattering in distributed fibre optic for temperature and strain sensing application 

      Ali Hussain, Reshak, Prof. Dr.; Mukhzeer, Mohamad Shahimin, Dr.; Sohiful Anuar, Zainol Murad, Dr.; S., Azizan (Elsevier B.V., 2013)
      This paper presents simulations of a distributed fibre optic sensor for temperature and strain sensing. The behaviours of Brillouin and Rayleigh scattering in optical fibres are studied through the backscatter signals. The ...
    • 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 ...