Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Adel Maher Wahba"'
Publikováno v:
Journal of Materials Science: Materials in Electronics. 31:14645-14657
Cr-doped α-Al2O3 samples (Al2−xCrxO3, 0 ≤ x ≤ 0.25; step 0.05) were synthesized by citrate-precursor autocombustion method. The lattice parameters, bond distortion index, crystallite size, and lattice microstrain of the developed system were i
Publikováno v:
Journal of Materials Science: Materials in Electronics. 31:12482-12492
Nano Ba1-xSrxFe2O4 samples were prepared by sol-gel autocombustion procedure. The phases developed due to different annealing temperatures and Sr-substitution amounts were determined by X'Pert HighScore Plus software. The effect of composition and an
Publikováno v:
Journal of Engineering Research. 3:59-66
Cobalt-substituted barium monoferrite with theformula BaCoxFe2-xO4 (x = 0.0 – 0.4, step 0.1) has been preparedthrough the sol-gel autocombustion method. Phase purity forprepared samples sintered at 700 and 1050 C was analyzed byX-ray diffraction (X
Autor:
Adel Maher Wahba, Mohamed Bakr Mohamed
Publikováno v:
Applied Physics A. 126
Unprecedented analysis of the impact of high-level Al3+ substitution on the structural and magnetic properties of low-coercivity Co0.5Zn0.5AlxFe2−xO4 (0.3 ≤ x ≤ 0.8) nanoferrites prepared via autocombustion method is presented. Single-phase cub
Publikováno v:
Materials Science and Engineering: B. 269:115151
A single-phase nanoferrite ZnCoxFe1.7O4 (0.37≤ x ≤0.9) system has been prepared via the citrate autocombustion method. Nonstoichiometry has been progressively enhanced in the synthesized samples by increasing the cobalt content. Both XRD patterns
Publikováno v:
Journal of Molecular Structure. 1147:668-675
Nano CuFe 2− x Cr x O 4 ferrite has been prepared by citrate autocombustion method. The impact of heat treatment and Cr contents on the structural phases and parameters were studied by tracing X-ray diffraction (XRD) patterns. As-prepared samples w
Publikováno v:
Journal of Electronic Materials. 47:711-720
The effects of iron doping on the structural, optical, and electronic properties of doped alumina have been studied. Single-phase iron-doped alumina Al2−x Fe x O3 (x = 0.00 to 0.30) nanoparticles were synthesized via citrate-precursor method. Forma
Autor:
Adel Maher Wahba, Mohamed Bakr Mohamed
Publikováno v:
Journal of Magnetism and Magnetic Materials. 424:267-274
Detectable variations in structural, elastic and magnetic properties have been reported depending on the mass of the cobalt nanoferrite sample prepared by citrate autocombustion method. Heat released during the autocombustion process and its duration
Publikováno v:
Journal of Magnetism and Magnetic Materials. 408:51-59
Structural, magnetic, and luminescence properties have been investigated for Co 0.5 Zn 0.5+ x Fe 2− x O 4 nanoferrite (0.0≤ x ≤0.4, with a step increment of 0.1) prepared by citrate autocombustion method. X-ray diffraction (XRD) patterns and Fo
Publikováno v:
Journal of Molecular Structure. 1108:347-351
Nano ferrite ZnFe2-xMoxO4 (x = 0.0, 0.1, 0.2, and 0.3) samples were synthesized by using citrate method. The phase purity and the structure parameters were studied using X-ray diffraction, FT-IR spectroscopy, and magnetic measurements. Rietveld analy