Effects of Chromium(III) Ion Doping on Structural, Optical, and Magnetic Properties of Nickel–Cobalt Ferrite Nanoparticle

Figure 1

(a–c) The XRD pattern of Ni_0.5Co_0.5Cr_xFe_2−xO₄ sample for (a) x = 0.0, (b) x = 0.10, (c) x = 0.20, and (d) the XRD merged intense peak corresponding to (311) plane of reflection.

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(b)

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(d)