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Effect of temperature on structural, morphological and magnetic properties of Cd0.7Co0.3Fe2O4 nanoparticles

Author(s)
Vattikuti, S. V. PrabhakarByon, ChanShim, JaesoolReddy, Ch. Venkata
Issued Date
2015-11
DOI
10.1016/j.jmmm.2015.05.057
URI
https://scholarworks.unist.ac.kr/handle/201301/21464
Fulltext
http://www.sciencedirect.com/science/article/pii/S0304885315301785
Citation
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, v.393, pp.132 - 138
Abstract
Cadmium-substituted cobalt ferrite (Cd0.7Co0.3Fe2O4) nanoparticles were synthesized using a chemical synthesis method and synthesized particles were calcinated at 300 degrees C and 600 degrees C respectively. The samples were characterized in order to understand the temperature effect on structural, morphological, thermal, and magnetic properties. X-ray diffraction data confirm the formation of single-phase cubic structure and the average grain sizes were evaluated. The microstructural features were examined by scanning electron microscopy (SEM) and transmission electron microscopy (TEM), and compositional analysis carried out by energy dispersive spectroscopy (EDS). A vibrating sample magnetometer (VSM) was used to investigate the magnetic properties. The hysteresis curves of Cd0.7Co0.3Fe2O4 nanoparticles show enhancement of the coercivity with the increasing calcinated temperature. This enhancement is attributed to the transition from a multi-domain to a single-domain nature. The high and low frequency absorption bands of Cd0.7Co0.3Fe2O4 were investigated using FT-IR analysis.
Publisher
ELSEVIER SCIENCE BV
ISSN
0304-8853
Keyword (Author)
Cobalt ferriteCrystal structureParticle sizeMagnetic propertiesMorphology
Keyword
FERRITE THIN-FILMSCOFE2O4 NANOPARTICLESELECTRICAL-PROPERTIESCO0.5CDXFE2.5-XO4 FERRITESPHYSICAL-PROPERTIESZN FERRITESDEPOSITIONPOWDERSSIZECONDUCTIVITY

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