Rahul C. Kambale

TL;DR: A series of cobalt-doped nickel ferrite with composition of Ni (1− x ) Co x Fe 2 O 4 with x ranges from 0.0 to 0.8 (in steps of 0.2) was prepared by using standard ceramic technique as discussed by the authors.

Abstract: In the present work, the effect of Dy3+ substitution on the structural and magnetic properties of CoFe2-xDyxO4 (x = 0.00 to 0.1 in step of 0.025) system synthesized by solution combustion method were investigated. The thermal decomposition process was investigated by means of differential and thermal gravimetric analysis that showed that the precursor could yield the final product after calcination above 600 °C. The phase purity and crystal lattice symmetry were estimated from X-ray diffraction studies. The microstructural features were observed by scanning electron microscopy that demonstrates the fine clustered particles with an increase of average grain size with Dy3+ content. The existence of constituent’s, i.e., Co, Fe, and Dy were authenticated by energy dispersive X-ray analysis. An infrared spectroscopy study shows the presence of two absorption bands in the frequency range around 590 cm−1 (ν1) and around 480 cm−1 (ν2); which indicate the presence of tetrahedral and octahedral group complexes, res...

TL;DR: In this paper, the structural and electrical properties of cobalt ferrite synthesized by combustion route with hexamine as a fuel are reported for the first time, and all the samples exhibit usual dielectric dispersion which is due to the Maxwell-Wagner-type interfacial polarization.

TL;DR: In this paper, a double sintering ceramic was used to extract the microstructural features of Ni(1−x)CoxFe2O4 (where x = 0.0, 0.2,0,0.6 and 0.8) and showed the presence of tetrahedral and octahedral group complexes within the spinel phase.

TL;DR: In this article, fine particles of Co1−xNixFe1.1O4 (x = 0.2, 0.4, 0.6 and 0.8) were prepared by co-precipitation method and X-ray diffraction study of prepared sample confirms the cubic spinel phase formation.