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Statements

Subject Item
n2:RIV%2F61388980%3A_____%2F09%3A00330688%21RIV10-AV0-61388980
rdf:type
skos:Concept n17:Vysledek
dcterms:description
The decomposition of the gaseous acetylene - Fe(CO)5 - Co(CO)3(NO) mixtures induced by a single ArF laser pulse is a very efficient and novel method for formation of amorphous cobalt/iron alloy nanoparticles completely encapsulated in amorphous carbon shell. The properties of the CoFe(core)-carbon(shell) nanocomposites were examined by spectroscopy, microscopy and diffraction techniques. Magnetic measurements revealed the superparamagnetic behaviour of the as-prepared samples with diameter 5 nm at temperatures above 200K. The properties of the CoFe alloy nanoparticles annealed at 600, 900 and 1150oC were studied. Heating leads to structural changes in both the alloy core and the carbon shell. The cobalt/iron core crystallizes as syn-wairauite and carbon affords graphite outer part. The decomposition of the gaseous acetylene - Fe(CO)5 - Co(CO)3(NO) mixtures induced by a single ArF laser pulse is a very efficient and novel method for formation of amorphous cobalt/iron alloy nanoparticles completely encapsulated in amorphous carbon shell. The properties of the CoFe(core)-carbon(shell) nanocomposites were examined by spectroscopy, microscopy and diffraction techniques. Magnetic measurements revealed the superparamagnetic behaviour of the as-prepared samples with diameter 5 nm at temperatures above 200K. The properties of the CoFe alloy nanoparticles annealed at 600, 900 and 1150oC were studied. Heating leads to structural changes in both the alloy core and the carbon shell. The cobalt/iron core crystallizes as syn-wairauite and carbon affords graphite outer part.
dcterms:title
ArF Laser-induced Deposition of Carbon Encapsulated CoFe Nanoparticles ArF Laser-induced Deposition of Carbon Encapsulated CoFe Nanoparticles
skos:prefLabel
ArF Laser-induced Deposition of Carbon Encapsulated CoFe Nanoparticles ArF Laser-induced Deposition of Carbon Encapsulated CoFe Nanoparticles
skos:notation
RIV/61388980:_____/09:00330688!RIV10-AV0-61388980
n3:aktivita
n12:P n12:Z
n3:aktivity
P(GA203/07/0546), Z(AV0Z10100521), Z(AV0Z40320502), Z(AV0Z40400503), Z(AV0Z40720504)
n3:cisloPeriodika
8
n3:dodaniDat
n7:2010
n3:domaciTvurceVysledku
n8:1246364 n8:2382954
n3:druhVysledku
n13:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
304038
n3:idVysledku
RIV/61388980:_____/09:00330688
n3:jazykVysledku
n9:eng
n3:klicovaSlova
decomposition; nanocomposites; metal magnetic nanoparticles
n3:klicoveSlovo
n11:nanocomposites n11:metal%20magnetic%20nanoparticles n11:decomposition
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[72CDDC089A26]
n3:nazevZdroje
ECS Transactions
n3:obor
n5:CH
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
5
n3:projekt
n16:GA203%2F07%2F0546
n3:rokUplatneniVysledku
n7:2009
n3:svazekPeriodika
25
n3:tvurceVysledku
Maryško, Miroslav Bastl, Zdeněk Šubrt, Jan Fajgar, Radek Murafa, Nataliya
n3:zamer
n14:AV0Z10100521 n14:AV0Z40720504 n14:AV0Z40320502 n14:AV0Z40400503
s:issn
1938-5862
s:numberOfPages
8