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Influence of Gd3+-substitution on structural, magnetic, dielectric and modulus spectroscopic characteristics of ZnFe2O4 spinel ferrite nanoparticles

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dc.title Influence of Gd3+-substitution on structural, magnetic, dielectric and modulus spectroscopic characteristics of ZnFe2O4 spinel ferrite nanoparticles en
dc.contributor.author Yadav, Raghvendra Singh
dc.contributor.author Kuřitka, Ivo
dc.contributor.author Vilčáková, Jarmila
dc.contributor.author Havlica, Jaromír
dc.contributor.author Kalina, Lukáš
dc.contributor.author Urbánek, Pavel
dc.contributor.author Machovský, Michal
dc.contributor.author Škoda, David
dc.contributor.author Masař, Milan
dc.relation.ispartof Journal of Materials Science: Materials in Electronics
dc.identifier.issn 0957-4522 Scopus Sources, Sherpa/RoMEO, JCR
dc.date.issued 2018
utb.relation.volume 29
utb.relation.issue 18
dc.citation.spage 15878
dc.citation.epage 15893
dc.event.title 26th International Materials Research Congress (IMRC)
dc.event.location Cancún
utb.event.state-en Mexico
utb.event.state-cs Mexiko
dc.event.sdate 2017-08-20
dc.event.edate 2017-08-25
dc.type article
dc.language.iso en
dc.publisher Springer
dc.identifier.doi 10.1007/s10854-018-9674-z
dc.relation.uri https://link.springer.com/article/10.1007/s10854-018-9674-z
dc.description.abstract The gadolinium (Gd3+) substituted zinc ferrite nanoparticles (ZnFe2−xGdxO4) for Gd3+ (x = 0.00, 0.05, 0.10, 0.20) have been synthesized by honey mediated sol–gel auto-combustion method. The X-ray diffraction study revealed the formation of spinel ferrite crystal structure. The Raman spectroscopy and Fourier transform infrared spectroscopy study well support the XRD results analysis. The field emission scanning electron microscopy micrograph revealed spherical morphology and grain size around 10–30 nm for ZnFe2−xGdxO4 (x = 0.10) nanoparticles. The presence of Zn2+ and Fe3+ oxidation state in synthesized nanoparticles was confirmed by X-ray photoelectron spectroscopy. Magnetic properties of the Gd3+ substituted zinc ferrite nanoparticles were investigated by vibrating sample magnetometer at room temperature. The conversion of magnetic hysteresis curves from ferromagnetic to a paramagnetic with the substitution of Gd3+ in zinc ferrite nanoparticles was observed. Frequency dependent dielectric constant and ac conductivity measurements revealed that Gd3+ substitution improved the value of dielectric constant and ac conductivity of the Gd3+ substituted zinc ferrite nanoparticles. Further, the existence of two semicircles in Cole–Cole plot demonstrated the role of both grains and grain boundaries to conduction process in synthesized Gd3+ ion substituted zinc ferrite nanoparticles. Furthermore, the grain relaxation time (τg), grain boundary relaxation time (τgb), grain resistance (Rg), grain capacitance (Cg), grain boundary resistance (Rgb) and grain boundary capacitance (Cgb) for synthesized ZnFe2−xGdxO4 (x = 0.00, 0.05, 0.10, 0.20) nanoparticles have been calculated using modulus spectroscopy analysis. © 2018, Springer Science+Business Media, LLC, part of Springer Nature. en
utb.faculty University Institute
dc.identifier.uri http://hdl.handle.net/10563/1008195
utb.identifier.obdid 43879130
utb.identifier.scopus 2-s2.0-85050184608
utb.identifier.wok 000444200300073
utb.source j-scopus
dc.date.accessioned 2018-10-03T11:13:01Z
dc.date.available 2018-10-03T11:13:01Z
dc.description.sponsorship IGA/CPS/2017/7, NPU, Northwestern Polytechnical University; LO1504, NPU, Northwestern Polytechnical University; MŠMT, Ministerstvo Školství, Mládeže a Tělovýchovy
dc.description.sponsorship Ministry of Education, Youth and Sports of the Czech Republic-Program NPU I [LO1504]; TBU in Zlin [IGA/CPS/2017/7]
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 Škoda, David
utb.contributor.internalauthor Masař, Milan
utb.fulltext.affiliation Raghvendra Singh Yadav1 · Ivo Kuřitka1 · Jarmila Vilcakova1 · Jaromir Havlica2 · Lukas Kalina2 · Pavel Urbánek1 · Michal Machovsky1 · David Skoda1 · Milan Masař1 ✉ Raghvendra Singh Yadav yadav@utb.cz; raghvendra.nac@gmail.com 1 Centre of Polymer Systems, University Institute, Tomas Bata University in Zlín, Trida Tomase Bati 5678, 76001 Zlín, Czech Republic 2 Materials Research Centre, Brno University of Technology, Purkyňova 464/118, 61200 Brno, Czech Republic
utb.fulltext.dates Received: 24 April 2018 Accepted: 13 July 2018 Published online: 21 July 2018
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utb.fulltext.sponsorship This work was supported by the Ministry of Education, Youth and Sports of the Czech Republic—Program NPU I (LO1504). One author ‘Milan Masar’ also acknowledges an internal Grant IGA/CPS/2017/7 from TBU in Zlin.
utb.scopus.affiliation Centre of Polymer Systems, University Institute, Tomas Bata University in Zlín, Trida Tomase Bati 5678, Zlín, 76001, Czech Republic; Materials Research Centre, Brno University of Technology, Purkyňova 464/118, Brno, 61200, Czech Republic
utb.fulltext.projects NPU I (LO1504)
utb.fulltext.projects IGA/CPS/2017/7
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