About: Nanocrystalline NiFe2O4 synthesized by modified precipitation method

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Nanosize NiFe2O4 was synthesized via precipitation process in which soluble starch is used as dispersing agent and Na2CO3 as precipitation agent. NiS04 was used as precursor for NiO, and Fe(NO3)3 as precursor for Fe2O3. Considering that the magnetic properties of nanocrystalline NiFe2O4 ferrites are directly related to their structure and phase composition, obtained reaction products were analysed and discussed through structural, compositional and magnetic characterisation. Formation of pure nanosized NiFe2O4 phase has been confirmed by the subsequent X-ray diffraction analysis (XRD), Fourier transform infrared spectroscopy (FTIR) and 57Fe Mössbauer phase (MS) analyses. Average crystalline size of 21 nm was determined by XRD and material’s nanocrystalline structure was additionally supported by results of field-emission and conventional scanning electron microscopy FE-SEM/SEM. The obtained room temperature magnetic hysteresis loop, measured on vibrating sample magnetometer (VSM), exhibits characteristic “S shape with values of magnetic properties within expected range for this material. Nanosize NiFe2O4 was synthesized via precipitation process in which soluble starch is used as dispersing agent and Na2CO3 as precipitation agent. NiS04 was used as precursor for NiO, and Fe(NO3)3 as precursor for Fe2O3. Considering that the magnetic properties of nanocrystalline NiFe2O4 ferrites are directly related to their structure and phase composition, obtained reaction products were analysed and discussed through structural, compositional and magnetic characterisation. Formation of pure nanosized NiFe2O4 phase has been confirmed by the subsequent X-ray diffraction analysis (XRD), Fourier transform infrared spectroscopy (FTIR) and 57Fe Mössbauer phase (MS) analyses. Average crystalline size of 21 nm was determined by XRD and material’s nanocrystalline structure was additionally supported by results of field-emission and conventional scanning electron microscopy FE-SEM/SEM. The obtained room temperature magnetic hysteresis loop, measured on vibrating sample magnetometer (VSM), exhibits characteristic “S shape with values of magnetic properties within expected range for this material. (en)
Title	Nanocrystalline NiFe2O4 synthesized by modified precipitation method Nanocrystalline NiFe2O4 synthesized by modified precipitation method (en)
skos:prefLabel	Nanocrystalline NiFe2O4 synthesized by modified precipitation method Nanocrystalline NiFe2O4 synthesized by modified precipitation method (en)
skos:notation	RIV/68081723:_____/13:00425314!RIV14-MSM-68081723
http://linked.open...avai/predkladatel	Ústav fyziky materiálů AVČR, v.v.i.
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(ED1.1.00/02.0068), P(GAP108/11/1350)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Žák, Tomáš
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyziky materiálů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	90576
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/13:00425314
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	nanocrastalline NiFe2O4; precipitation method; structural analysis; phase composition; magnetic properties (en)
http://linked.open.../riv/klicoveSlovo	nanocrastalline NiFe2O4 phase composition magnetic properties structural analysis precipitation method
http://linked.open...ontrolniKodProRIV	[D50759DCBBC7]
http://linked.open...v/mistoKonaniAkce	Belgrade
http://linked.open...i/riv/mistoVydani	Belgrade
http://linked.open...i/riv/nazevZdroje	Proceedings and book of abstracts of the First Metallurgical & Materials Engineering Congress of South-East Europe
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Central european institute of technology Effects of cores and boundaries of nanograins on structural and physical properties of ball milled and mechanically alloyed iron-based materials.
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Žák, Tomáš Živković, D. Talijan, N. Ćosović, A. Ćosović, V. Balanović, Lj.
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2013-05-23 (xsd:date)
number of pages	7 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Association of Metallurgical Engineers of Serbia
https://schema.org/isbn	978-86-87183-24-7

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