Synthesis, structural, electrical and magnetic properties of Bi2Fe4-xGaxO9 (0 ≤ x ≤ 1.6)

Effect of Al substitution on the magnetization reversal and complex magnetic properties of NiCr2O4 ceramics

“…Moreover, a similar decrease of T C with the non-magnetic cation substitution is also observed in many oxide systems. 22,23 In a series of NiCr 2Àx Al x O 4 samples, the replacement of Cr 3+ at the B site is not random by Al 3+ . According to the model proposed by Tomiyasu and Kagomiya, 14 there are two different positions for Cr 3+ which can be called Cr 3+ (1) and Cr 3+ (2) at the B site and the corresponding schematic diagram is presented in Fig.…”

Enhancing the Magnetization, Dielectric Loss and Photocatalytic Activity of Co-cu Ferrite Nanoparticles Via the Substitution of Rare Earth Ions

“…The other cause for tanδ behavior is the CCL crystallite size by it's inversely proportion with it [42]. notice a broad absorption band positioned nearly at 500 nm; as shown in Fig.…”