The effect of rare earth substitution on the magnetic properties of Ni0.5Zn0.5MxFe2−xO4 (M: rare earth)

ZnFe2−xLaxO4 nanostructure: synthesis, characterization, and its magnetic properties

“…Some researchers have investigated that the addition of lowmelting nonmagnetic oxides [14] reduces sintering temperature and improves microstructure. Other researchers have studied about doping La, Gd [15][16][17], Y, Eu [18,19], and Ce [20] to analyze the effect of rare earth elements on the magnetic properties of ferrites. It is well known that rare-earth oxides are good electrical insulators and have high resistivity.…”

Effect of La doping on structural, magnetic and microstructural properties of Ba1 − x La x Fe12O19 ceramics prepared by citrate combustion process

“…The microwave behavior of spinel ferrites was improved by substitution of Ru and Gd for Fe 3+ ion sites [20]. Insertion of Gd or Pr into Fe lattices inhibited grain growth, reduced grain size and controlled the coercive force for wide practical applications [21].…”

Magnetic and dielectric behavior of terbium substituted Mg1−xTbxFe2O4 ferrites

“…The minimum loss factor has been observed for the compositions Mg 0.86 Tb 0.14 Fe 2 O 4 and Mg 0.82 Tb 0.18 Fe 2 O 4 as compared to all other compositions. The previously reported results indicate that [19] the partial substitution of rare earth ions (Eu, Ru, and Gd) in Ni-Zn ferrites significantly lowers the relative loss factor over a wide frequency range. All Tb substituted magnesium ferrites show smaller values of the loss factor over a wide frequency range.…”