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  1. No Access

    Article

    Thermally Stimulated Current Study and Relaxation Behaviour of Annealed Copolymer P(VDF-TrFE) Films for Potential Pyroelectric Energy Harvesting

    The effects of annealing treatment on the polarization of copolymer P(VDF-TrFE) free-standing films were thoroughly studied by the thermally stimulated current (TSC) method using decomposition analysis and fir...

    N. Ahmad, W. H. Abd. Majid, N. A. Halim in Journal of Electronic Materials (2020)

  2. No Access

    Article

    A review on colorimetric methods for determination of organophosphate pesticides using gold and silver nanoparticles

    This review (with 99 refs.) summarizes the progress that has been made in colorimetric (i.e. spectrophotometric) determination of organophosphate pesticides (OPPs) using gold and silver nanoparticles (NPs). Fo...

    I. S. Che Sulaiman, B. W. Chieng, M. J. Osman, K. K. Ong… in Microchimica Acta (2020)

  3. Article

    Ferroelectric, pyroelectric and piezoelectric properties of CeO2-doped Na0.5Bi0.5TiO3 ceramics

    Lead-free sodium–bismuth titanate (Na0.5Bi0.5TiO3, NBT) nanoceramics synthesized by sol–gel method were doped with CeO2 by using solid-state method from 0.0 to 5.0 wt%. The effects of CeO2-doped NBT on structure ...

    N. A. Halim, W. H. Abd. Majid, T. S. Velayutham in SN Applied Sciences (2019)

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    Article

    Active and passive controls of the Williamson stagnation nanofluid flow over a stretching/shrinking surface

    A steady stagnation point flow of an incompressible Williamson nanofluid towards a horizontal linearly stretching/shrinking sheet with active and passive controls on the wall mass flux is numerically studied. ...

    N. A. Halim, S. Sivasankaran, N. F. M. Noor in Neural Computing and Applications (2017)

  5. No Access

    Article

    Active and passive controls of nanoparticles in Maxwell stagnation point flow over a slipped stretched surface

    A steady stagnation-point flow of an incompressible Maxwell fluid towards a linearly stretching sheet with active and passive controls of nanoparticles is studied numerically. The momentum equation of the Maxw...

    N. A. Halim, Rizwan Ul Haq, N. F. M. Noor in Meccanica (2017)

  6. No Access

    Article

    Thermal analysis of organically modified Ca2+-montmorillonite using DSC and TSC techniques

    Thermal analysis on organically modified Ca2+-montmorillonite (OMON) and its source materials—octadecylamine (ODA) and Ca2+-montmorillonite (Ca2+-Mon)—was studied using thermally stimulated current (TSC) techniqu...

    N. A. Halim, Aidy Ali, Z. H. Z. Abidin… in Journal of Thermal Analysis and Calorimetry (2017)

  7. No Access

    Article

    Intercalation of water and guest molecules within Ca2+–Montmorillonite

    The high potential for intercalations by water and various guest molecules is induced by the exchangeable cation inside Ca2+–Montmorillonite gallery. XRD peak for Mon at 2θ = 6.04° (d 001 ...

    N. A. Halim, Z. A. Ibrahim, A. B. Ahmad in Journal of Thermal Analysis and Calorimetry (2010)

  8. No Access

    Article

    Study of ion beam induced mixing in Sn/Si system using electrical resistivity measurements

    The ion-beam mixing of Sn thin film evaporated on silicon has been investigated by continuously measuring the electrical resistivity of the sample during irradiation by Kr ions. The resistivity results exhibit...

    A. J. Abu El-Haija, K. A. Al-Saleh… in Journal of Radioanalytical and Nuclear Che… (1988)