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Questions related from Mohammed M. Obeid
Dear respected RG members, Recently, we tried to prepare Ni doped MgO nanoparticles using co-precipitation method. The XRD pattern of pure MgO-NPs is going well with five peaks (20-80 degree). We...
21 January 2019 6,141 7 View
Dear respected RG members, I am doing Mulliken population analysis of Cobalt (Co) doped MgO lattice (rocksalt) using CASTEP code (ultrasoft pseudopotential). I found some strange data as...
16 June 2018 7,624 7 View
Dear Experts, I am trying to get information about stacking fault and dislocation based on TEM image. In the attached figure, I process the image using FFT implemented in digital micrograph DM....
19 February 2018 1,356 6 View
dear experts, in the attachment you will find pictures of two materials powder. first picture is wollastonite, where most of the peaks have a V shape in the tip and also the noise of background...
25 July 2017 6,182 7 View
I have a ceramic material with a cylindrical shape sintered at high Temp. , I am trying to minimize the preferred orientation of this specimen during x-ray diffraction. unfortunately, we do not...
02 June 2017 2,901 3 View
I am looking for coupling agent that give a good dispersion of the filler in polymeric matrix and a good bonding strength between the filler and the matrix
30 December 2016 8,909 3 View
I would like to synthesize acicular wollastonite by solid state method, please if you have suggestions about using this method and how I can use it, and if there is any kind of mineralizer that...
27 September 2014 1,451 3 View