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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F07%3A00003541%21RIV10-MSM-15310___
rdf:type
n9:Vysledek skos:Concept
dcterms:description
The magnetic properties of the Fe3C-based nanopowder synthesized by laser pyrolysis of ethylene and iron pentacarbonyl gases are investigated in the temperature range 4?293 K by Mössbauer spectroscopy and magnetic measurements in DC and AC fileds. Fe3C was identified as the dominant phase in the sample (75 wt%). The mean size of the Fe3C crystallites is estimated to be 20 nm. The residual phase in the sample is probably a mixture of nanocrystalline Fe3O4, γ-Fe2O3, and α-Fe2O3. Zero-field-cooled and field-cooled DC measurements as well as real and imaginary parts of AC susceptibility curves are discussed. The nanopowder exhibits superferromagnetic behavior. The magnetic properties of the Fe3C-based nanopowder synthesized by laser pyrolysis of ethylene and iron pentacarbonyl gases are investigated in the temperature range 4?293 K by Mössbauer spectroscopy and magnetic measurements in DC and AC fileds. Fe3C was identified as the dominant phase in the sample (75 wt%). The mean size of the Fe3C crystallites is estimated to be 20 nm. The residual phase in the sample is probably a mixture of nanocrystalline Fe3O4, γ-Fe2O3, and α-Fe2O3. Zero-field-cooled and field-cooled DC measurements as well as real and imaginary parts of AC susceptibility curves are discussed. The nanopowder exhibits superferromagnetic behavior.
dcterms:title
Low-temperature magnetic properties of Fe3C/iron oxide nanocomposite Low-temperature magnetic properties of Fe3C/iron oxide nanocomposite
skos:prefLabel
Low-temperature magnetic properties of Fe3C/iron oxide nanocomposite Low-temperature magnetic properties of Fe3C/iron oxide nanocomposite
skos:notation
RIV/61989592:15310/07:00003541!RIV10-MSM-15310___
n3:aktivita
n8:Z n8:P
n3:aktivity
P(1M0512), Z(AV0Z10100520), Z(AV0Z20410507)
n3:cisloPeriodika
2
n3:dodaniDat
n18:2010
n3:domaciTvurceVysledku
n4:6329446 n4:8570647
n3:druhVysledku
n15:J
n3:duvernostUdaju
n10:S
n3:entitaPredkladatele
n17:predkladatel
n3:idSjednocenehoVysledku
431509
n3:idVysledku
RIV/61989592:15310/07:00003541
n3:jazykVysledku
n16:eng
n3:klicovaSlova
Fe3C; nanopowder; Mössbauer spectroscopy; AC susceptibility; magnetic properties
n3:klicoveSlovo
n11:AC%20susceptibility n11:Fe3C n11:M%C3%B6ssbauer%20spectroscopy n11:magnetic%20properties n11:nanopowder
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[1C32A5CA7702]
n3:nazevZdroje
Journal of Magnetism and Magnetic Materials
n3:obor
n12:JI
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
5
n3:projekt
n19:1M0512
n3:rokUplatneniVysledku
n18:2007
n3:svazekPeriodika
316
n3:tvurceVysledku
Schneeweiss, Oldřich Morjan, I. Mašláň, Miroslav Šantavá, E. David, Bohumil
n3:zamer
n7:AV0Z20410507 n7:AV0Z10100520
s:issn
0304-8853
s:numberOfPages
4
n14:organizacniJednotka
15310