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Statements

Subject Item
n2:RIV%2F68378271%3A_____%2F14%3A00422566%21RIV15-GA0-68378271
rdf:type
n11:Vysledek skos:Concept
rdfs:seeAlso
http://www.sciencedirect.com/science/article/pii/S0304885313007336
dcterms:description
The synthesis of iron oxide nanoparticles, i.e., magnetite was attempted by using only ferrous ion (Fe2+) as a magnetite precursor, under an ambient atmosphere. The room temperature reverse co-precipitation method was used, by applying two synthesis protocols. The freshly prepared iron oxide was also immediately coated with Stöber silica (SiO2) layer, forming the coreshell structure. The phase, stoichiometry, crystallite and the particle size of the synthesized powders were determined by using X-ray diffraction (XRD) and transmission electron microscope (TEM), while the magnetic and oxidation behaviors were studied by using the vibrating sample magnetometer (VSM) and Mössbauer spectroscopy. Based on the results, the bare iron oxide nanoparticles are in the stoichiometry between the magnetite and the maghemite stoichiometry, i.e., oxidation occurs. This oxidation is depending on the synthesis protocols used. The synthesis of iron oxide nanoparticles, i.e., magnetite was attempted by using only ferrous ion (Fe2+) as a magnetite precursor, under an ambient atmosphere. The room temperature reverse co-precipitation method was used, by applying two synthesis protocols. The freshly prepared iron oxide was also immediately coated with Stöber silica (SiO2) layer, forming the coreshell structure. The phase, stoichiometry, crystallite and the particle size of the synthesized powders were determined by using X-ray diffraction (XRD) and transmission electron microscope (TEM), while the magnetic and oxidation behaviors were studied by using the vibrating sample magnetometer (VSM) and Mössbauer spectroscopy. Based on the results, the bare iron oxide nanoparticles are in the stoichiometry between the magnetite and the maghemite stoichiometry, i.e., oxidation occurs. This oxidation is depending on the synthesis protocols used.
dcterms:title
The magnetic and oxidation behavior of bare and silica-coated iron oxide nanoparticles synthesized by reverse co-precipitation of ferrous ion (Fe2+) in ambient atmosphere The magnetic and oxidation behavior of bare and silica-coated iron oxide nanoparticles synthesized by reverse co-precipitation of ferrous ion (Fe2+) in ambient atmosphere
skos:prefLabel
The magnetic and oxidation behavior of bare and silica-coated iron oxide nanoparticles synthesized by reverse co-precipitation of ferrous ion (Fe2+) in ambient atmosphere The magnetic and oxidation behavior of bare and silica-coated iron oxide nanoparticles synthesized by reverse co-precipitation of ferrous ion (Fe2+) in ambient atmosphere
skos:notation
RIV/68378271:_____/14:00422566!RIV15-GA0-68378271
n3:aktivita
n5:P n5:I
n3:aktivity
I, P(GAP107/11/0391)
n3:cisloPeriodika
MAR
n3:dodaniDat
n13:2015
n3:domaciTvurceVysledku
n15:2049937 n15:9669450
n3:druhVysledku
n19:J
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
26873
n3:idVysledku
RIV/68378271:_____/14:00422566
n3:jazykVysledku
n7:eng
n3:klicovaSlova
reverseco-precipitation; ferrousion; magnetite; Mössbauer; silica
n3:klicoveSlovo
n4:silica n4:magnetite n4:M%C3%B6ssbauer n4:ferrousion n4:reverseco-precipitation
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[3707ADDB1920]
n3:nazevZdroje
Journal of Magnetism and Magnetic Materials
n3:obor
n16:BM
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
4
n3:projekt
n12:GAP107%2F11%2F0391
n3:rokUplatneniVysledku
n13:2014
n3:svazekPeriodika
353
n3:tvurceVysledku
Heczko, Oleg Mahmed, N. Hannula, S.-P. Lančok, Adriana
n3:wos
000327785500004
s:issn
0304-8853
s:numberOfPages
8
n8:doi
10.1016/j.jmmm.2013.10.012