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Structural, magnetic, optical, dielectric, electrical and modulus spectroscopic characteristics of ZnFe2O4 spinel ferrite nanoparticles synthesized via honey-mediated sol-gel combustion method

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dc.title Structural, magnetic, optical, dielectric, electrical and modulus spectroscopic characteristics of ZnFe2O4 spinel ferrite nanoparticles synthesized via honey-mediated sol-gel combustion method en
dc.contributor.author Yadav, Raghvendra Singh
dc.contributor.author Kuřitka, Ivo
dc.contributor.author Vilčáková, Jarmila
dc.contributor.author Urbánek, Pavel
dc.contributor.author Machovský, Michal
dc.contributor.author Masař, Milan
dc.contributor.author Holek, Martin
dc.relation.ispartof Journal of Physics and Chemistry of Solids
dc.identifier.issn 0022-3697 Scopus Sources, Sherpa/RoMEO, JCR
dc.date.issued 2017
utb.relation.volume 110
dc.citation.spage 87
dc.citation.epage 99
dc.type article
dc.language.iso en
dc.publisher Elsevier
dc.identifier.doi 10.1016/j.jpcs.2017.05.029
dc.relation.uri https://www.sciencedirect.com/science/article/pii/S0022369717303438
dc.subject Dielectric property en
dc.subject Electrical property en
dc.subject Green synthesis en
dc.subject Magnetic properties en
dc.subject Modulus and impedance spectroscopy en
dc.subject Spinel ferrites en
dc.description.abstract This paper reports a honey-mediated green synthesis of ZnFe2O4 spinel ferrite nanoparticles and the effect of further annealing on structural, magnetic, optical, dielectric and electrical properties. X-ray diffraction study confirmed the well formation of ZnFe2O4 spinel ferrite crystal structure. Raman and Fourier transform infrared spectroscopy confirmed the formation of spinel ferrite crystal structure. The scanning electron microscopy study revealed the formation of spherical morphology at lower annealing temperature with achieved particle size 30–60 nm, whereas, octahedral like morphology at higher annealing temperature with particle size 50–400 nm. Magnetization measurements were carried out using a vibrating sample magnetometer at room temperature. The estimated magnetic parameter such as saturation magnetization (Ms), remanence (Mr) and coercivity (Hc) showed variation in value with nano-crystallite size. The highest saturation magnetization (Ms) was 12.81 emu/g for as-synthesized ZnFe2O4 spinel ferrite nanoparticles, whereas, highest coercivity (Hc) was 25.77 Oe for ZnFe2O4 nanoparticles annealed at high temperature 1000 °C. UV–Visible reflectance spectroscopy showed the band gap variation from 1.90 eV to 2.14 eV with the increase of annealing temperature. The dielectric constant and dielectric loss were decreased with frequency showing the normal behavior of spinel ferrites. The variation in conductivity is explained in terms of the variation in microstructure and variation in the mobility of charge carriers associated with the cation redistribution induced by annealing or grain size. The modulus and impedance spectroscopy study revealed the influence of bulk grain and the grain boundary on the electrical resistance and capacitance of ZnFe2O4 nanoparticles. The results presented in this work are helpful for green synthesis of well-controlled size, morphology and physical properties of ZnFe2O4 nanoparticles. © 2017 Elsevier Ltd en
utb.faculty University Institute
dc.identifier.uri http://hdl.handle.net/10563/1007412
utb.identifier.obdid 43876568
utb.identifier.scopus 2-s2.0-85020239454
utb.identifier.wok 000407660700012
utb.identifier.coden JPCSA
utb.source j-scopus
dc.date.accessioned 2017-09-08T12:14:54Z
dc.date.available 2017-09-08T12:14:54Z
dc.description.sponsorship LO1504, MŠMT, Ministerstvo Školství, Mládeže a Tělovýchovy
dc.description.sponsorship Ministry of Education, Youth and Sports of the Czech Republic - Program NPU I [LO1504]
utb.ou Centre of Polymer Systems
utb.contributor.internalauthor Yadav, Raghvendra Singh
utb.contributor.internalauthor Kuřitka, Ivo
utb.contributor.internalauthor Vilčáková, Jarmila
utb.contributor.internalauthor Urbánek, Pavel
utb.contributor.internalauthor Machovský, Michal
utb.contributor.internalauthor Masař, Milan
utb.contributor.internalauthor Holek, Martin
utb.scopus.affiliation Centre of Polymer Systems, University Institute, Tomas Bata University in Zlín, Trida Tomase Bati 5678, Zlín, Czech Republic
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