2 article(s) from Aslibeiki, Bagher
(a) XRD patterns of the CoxFe3−xO4 (0 ≤ x ≤1) nanoparticles. (b) Shift of the (440) reflection.
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Rietveld-refined XRD pattern of the x = 0.2 sample.
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FE-SEM images of CoxFe3−xO4 nanoparticles: (a) x = 0.0; (b) x = 0.2; (c) x = 0.4; (d) x = 0.6; (e) x...
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EDX spectra of CoxFe3−xO4 nanoparticles: (a) x = 0.2; (b) x = 0.6; and (c) x = 1.0. (d) Comparison ...
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FTIR spectra of CoxFe3−xO4 nanoparticles with x = 0.0, 0.2, 0.4, 0.6, 0.8 and 1.0. The inset is the...
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Polyhedral model showing the cubic spinel crystal structure of CoFe2O4. Green and blue shaded areas...
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TGA curve of the CoFe2O4 sample.
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Room-temperature magnetization curves of the CoxFe3−xO4 samples measured. The inset shows the magne...
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The M–1/H2 dependence of the CoxFe3−xO4 samples at high field strengths. Experimental data are mark...
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Effective anisotropy constant (Keff) and coercivity (Hc) of the CoxFe3−xO4 samples.
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IRM and DCD magnetization curves of (a) all CoxFe3−xO4 samples and separately for (b) x = 0.2, (c) x...
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δm as a function of the magnetic field strength measured at room temperature. The inset shows the H...
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Temperature rise in CoxFe3−xO4 suspensions in an ac magnetic field (27 Oe, 92 kHz) as a function of...
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Beilstein J. Nanotechnol. 2019, 10, 1348–1359, doi:10.3762/bjnano.10.133
Room temperature X-ray diffraction patterns of all samples. All diffraction peaks are compatible wi...
As an example of the size, shape and crystalline quality of the samples, TEM images of C0 (a) and C...
(a) Comparison of ZFC curve during cooling (blue circles) and subsequent warming up (red circles). ...
Mössbauer spectra recorded at 300 K for all samples. Only sample C0 is fully superparamagnetic at r...
(a) Magnetization vs field curves and (b) switching field distribution measured at 5 K for sample C...
(a) ΔM plot curves measured at 5 K for sample C0 (black squares), C25 (red circles), C50 (blue tria...
Beilstein J. Nanotechnol. 2019, 10, 856–865, doi:10.3762/bjnano.10.86
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