Zobrazeno 51 - 60
of 209
pro vyhledávání: '"Zein K. Heiba"'
Publikováno v:
Optical Materials. 139:113764
Autor:
A.M. El-naggar, Zein K. Heiba, Mohamed Bakr Mohamed, A.M. Kamal, G. Lakshminarayana, Muhammad Ali Shar
Publikováno v:
Optik. 275:170248
Publikováno v:
Journal of Materials Science: Materials in Electronics. 32:12358-12370
5% Fe- and Mn-doped nano-ZnS (Zn0.95A0.05S, A = Fe or Mn) was prepared using the thermolysis technique. The effect of Fe and Mn doping on the lattice parameter, crystallite size, and lattice microstrain was examined applying the Rietveld refinement.
Publikováno v:
Journal of Materials Science: Materials in Electronics. 32:9517-9530
Samples of non-stoichiometric nano-CdS1−x were synthesized by a simple thermolysis method by lowering the ratio of thiourea relative to cadmium acetate as starting precursors: Cd(Ac):(1 − x) thiourea (x = 0.0, 0.03, 0.05, and 0.1). X’pert HighS
Autor:
Noura M. Farag, Jasper R. Plaisier, A.M. Aldhafiri, Zein K. Heiba, Mohamed Bakr Mohamed, A.M. El-Naggar
Publikováno v:
Ceramics International. 47:7888-7897
Nano CuCo2-xMxO4 (x = 0, 0.1, 0.2, M = Cr or Fe) samples were synthesized by hydrothermal method. Synchrotron x-ray diffraction data obtained for the samples were subjected to phase analysis and manifested a single-phase cubic spinel structure for Cr
Publikováno v:
Journal of Materials Research and Technology, Vol 11, Iss, Pp 1480-1489 (2021)
Nano (Mg1-xZnx)[Fe2-2x Mn2x]O4 solid solution was synthesized by a simple chemical route. The obtained samples were fully characterized utilizing Rietveld x-ray diffraction analysis, Fourier transform infrared (FTIR), high resolution transmission ele
Publikováno v:
Ceramics International. 47:7475-7486
Novel nano quaternary metals solid solutions from MgFe2O4 and ZnMn2O4 were synthesized using a sol-gel procedure. The development of a solid solution and the formed phase were examined by phase analysis utilizing the X'Pert High Score Plus program an
Publikováno v:
Applied Physics A. 128
Publikováno v:
Applied Physics A. 128
Autor:
A. M. El-naggar, M. M. Osman, Anwar Q. Alanazi, Mohamed Bakr Mohamed, M. A. Ebdah, A. M. Aldhafiri, Zein K. Heiba, H. A. Albrithen
Publikováno v:
Applied Physics A. 128