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  1. Structural and dielectric properties of barium strontium titanate (Ba(1_א)SrאTiO3) ceramics
    Julie Andrianny Murshidi, Siti Mariam Mohamad, Choo, Thye Foo, Nurazila Mat Zali, Che Seman Mahmood
    Journal of Nuclear and Related Technologies, 2016;13(1):1-5.
    MyJurnal
    Structural and dielectric properties of barium strontium, titanate (Ba(ÿ)SrxTiO$) ceramics with x—
    0.25, 0.5 and 0.75 were investigated. The Ba(i-xjSrxTiOs ceramics were synthesised by solid state
    reaction method. Microstructure, surface morphology and dielectric properties of the synthesised
    ceramics were examined using XRD, SEM and Impedance Spectroscopy respectively. XRD results
    revealed that all samples contained BaTiOg as primary phase with tetragonal perovskite crystal
    structure. The crystallite size slightly increased with the increasing of Sr contents. SEM micrographs
    showed that the microstructure become denser when Sr contents increased. Impedance spectroscopy
    showed dielectric constant for all samples were decreased with increasing temperature up to 200°C.
  2. Fulltext Characterization of alumina using small angle neutron scattering (sans)
    Megat Harun Al Rashid Megat Ahmad, Abdul Aziz Mohamed, Azmi Ibrahim, Che Seman Mahmood, Putra, Edy Giri Rachman, Muhammad Rawi Muhammad Zin, et al.
    Journal of Nuclear and Related Technologies, 2007;2005(1):19-23.
    MyJurnal
    Alumina powder was synthesized from an aluminum precursor and studied using small angle neutron scattering (SANS) technique and complemented with transmission electron microscope (TEM). XRD measurement confirmed that the alumina produced was of high purity and highly crystalline D-phase. SANS examination indicates the formation of mass fractals microstructures with fractal dimension of about 2.8 on the alumina powder.
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