About: ArF Laser-induced Deposition of Carbon Encapsulated CoFe Nanoparticles

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. (en)
Title	ArF Laser-induced Deposition of Carbon Encapsulated CoFe Nanoparticles ArF Laser-induced Deposition of Carbon Encapsulated CoFe Nanoparticles (en)
skos:prefLabel	ArF Laser-induced Deposition of Carbon Encapsulated CoFe Nanoparticles ArF Laser-induced Deposition of Carbon Encapsulated CoFe Nanoparticles (en)
skos:notation	RIV/61388980:_____/09:00330688!RIV10-AV0-61388980
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA203/07/0546), Z(AV0Z10100521), Z(AV0Z40320502), Z(AV0Z40400503), Z(AV0Z40720504)
http://linked.open...iv/cisloPeriodika	8
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Murafa, Nataliya Šubrt, Jan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav anorganické chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	304038
http://linked.open...ai/riv/idVysledku	RIV/61388980:_____/09:00330688
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	decomposition; nanocomposites; metal magnetic nanoparticles (en)
http://linked.open.../riv/klicoveSlovo	decomposition nanocomposites metal magnetic nanoparticles
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[72CDDC089A26]
http://linked.open...i/riv/nazevZdroje	ECS Transactions
http://linked.open...in/vavai/riv/obor	CH
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Laser decomposition of cobalt and nickel carbonyls in the presence of acetylene for preparation of carbon encapsulated metal nanoparticles
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	25
http://linked.open...iv/tvurceVysledku	Fajgar, Radek Murafa, Nataliya Šubrt, Jan Maryško, Miroslav Bastl, Zdeněk
http://linked.open...n/vavai/riv/zamer	Physics and technology of nanostructures, surfaces and thin films Design, syntéza a charakterizace klastrů, kompozitů, komplexů a dalších sloučenin na bázi anorganických látek; mechanismy a kinetika jejich interakcí Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace Investigation of multiphase reacting systems for the design of processes important in synthesis and preparation of novel materials, in energy production and in environmental protection
issn	1938-5862
number of pages	8 (xsd:int)
is http://linked.open...avai/riv/vysledek of	ArF Laser-induced Deposition of Carbon Encapsulated CoFe Nanoparticles ArF Laser-induced Deposition of Carbon Encapsulated CoFe Nanoparticles ArF Laser-induced Deposition of Carbon Encapsulated CoFe Nanoparticles ArF Laser-induced Deposition of Carbon Encapsulated CoFe Nanoparticles

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