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Structural and magnetic studies of Mg(1−x)ZnxFe2O4 nanoparticles prepared by a solution combustion method

“…The increase in the lattice constant affects the Fe 3+_ O 2 ⎯ stretching vibrations and is a major cause for change in band positions [12]. In the present study the absorption band ν 1 does not exhibit any splitting, consequently the possibility of Fe 2+ ions being located at the A-sites is ruled out [13,14]. The splitting in the absorption band at approximately 400 cm -1 suggests the occupancy of B sites by Mg 2+ ions [15].…”

Structural, electrical and magnetic properties of cadmium substituted nickel–copper ferrites

“…The powder samples of ferrites were characterized by using Xray diffractometer (Philips model PW-1710) with Cu-K␣ radiation ( = 1.5405Å) and the lattice parameter of the synthesized samples were estimated using the relation [13] …”

“…The lattice parameter increases due to the increase of cadmium content in the ferrites because of its higher ionic radius compared to other ions in the ferrites. Several researchers have studied the structural, electrical and magnetic properties of substituted ferrites like Ni-Co-Cu [1], Ni-Cd-Zn [12], Ni-Cd [11,[13][14][15], Ni-Cu [16], Mg-Cd [17] and Ni-Mn-Mg [18] mixed ferrites by different methods. However, the literature survey on Ni-Cd-Cu ferrites indicates that not much work has been done on these ferrites.…”

Structural and electrical properties of nickel cadmium ferrites prepared through self-propagating auto combustion method

“…Most of co-precipitation methods are pH sensitive and sol-gel methods require alkoxide precursors and stringent process of gel product [8]. The combustion process uses inexpensive precursors and low external energy consumption.…”