Journal
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
Volume 278, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.mseb.2022.115608
Keywords
Ferrites; Exploding wires; Nanoscale materials and structures; Fabrication and characterization; Magnetic properties
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In this paper, Zinc-Copper ferrite nanoparticles were synthesized using a novel technique, and their crystal structure, magnetic properties, and ferroelectric properties were systematically investigated.
In this paper, Zinc-Copper ferrite nanoparticles, synthesized via a novel exploding wire technique. The Fe3+ cation distribution of tetrahedral and octahedral sites of prepared nanoparticles is estimated through intensity analysis of powder X-ray diffraction. The preference of Zn-2+ and Cu2+ towards tetrahedral and octahedral sub-lattices and their influence on hyperfine magnetic lines are determined through Mossbauer spectroscopy. The cation distributions of Fe3+ at tetrahedral and octahedral sites of Fe2O3 powder used as precursor for the syn-thesis of samples are estimated through sextet's areas. The existence of Fe3+ oxidation state Zn-rich Zn0.7Cu0.3Fe2O4 and Cu-rich Zn0.3Cu0.7Fe2O4 nanoparticles is ascertained through Mossbauer and electron spin resonance analysis. The ferroelectric properties are studied through polarization versus electric field analysis. Zero field cooling-field cooling investigation substantiated superparamagnetic behavior and demonstrated the variation of saturation magnetization with respect to Zinc/Copper concentration, as per Neel's and Yafet-Kittel models.
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