About: Preparation and Properties of FeCo Nanoparticles

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Fe-Co nanoparticles were prepared from the binary Fe-Co oxalate. The formation of FeCo metallic phase begun at 290 °C as determined from the X-ray diffraction spectra recorded during heating of the oxalate sample in hydrogen atmosphere. The reduction finished at 500 °C by formation of bcc FeCo phase with the mean particle size of about 50 nm. Analysis of Mössbauer spectra shows that the ferromagnetic FeCo phase is represented by two sextets corresponding to interiors and surfaces of the nanoparticles. In addition to a weak paramagnetic component represented by the doublet which was ascribed to fine particles in superparamagnetic state. The TEM has shown conglomerates of particles with composition about 50 at. % Fe and 50 at. % Co. Fe-Co nanoparticles were prepared from the binary Fe-Co oxalate. The formation of FeCo metallic phase begun at 290 °C as determined from the X-ray diffraction spectra recorded during heating of the oxalate sample in hydrogen atmosphere. The reduction finished at 500 °C by formation of bcc FeCo phase with the mean particle size of about 50 nm. Analysis of Mössbauer spectra shows that the ferromagnetic FeCo phase is represented by two sextets corresponding to interiors and surfaces of the nanoparticles. In addition to a weak paramagnetic component represented by the doublet which was ascribed to fine particles in superparamagnetic state. The TEM has shown conglomerates of particles with composition about 50 at. % Fe and 50 at. % Co. (en)
Title	Preparation and Properties of FeCo Nanoparticles Preparation and Properties of FeCo Nanoparticles (en)
skos:prefLabel	Preparation and Properties of FeCo Nanoparticles Preparation and Properties of FeCo Nanoparticles (en)
skos:notation	RIV/68081723:_____/10:00354517!RIV11-MSM-68081723
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1M0512), P(GA106/08/1440), Z(AV0Z20410507)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	David, Bohumil Schneeweiss, Oldřich Zábranský, Karel Pizúrová, Naděžda
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	281343
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/10:00354517
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	nanocrystalline; magnetic; Fe-Co (en)
http://linked.open.../riv/klicoveSlovo	nanocrystalline magnetic Fe-Co
http://linked.open...ontrolniKodProRIV	[4F660B279490]
http://linked.open...v/mistoKonaniAkce	Liptovský Ján
http://linked.open...i/riv/mistoVydani	Melville, New York
http://linked.open...i/riv/nazevZdroje	Mössbauer Spectroscopy in Materials Science - 2010
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Research center of powdered nanomaterials Iron and iron oxide nanoparticles with applications in the magnetic separation processes
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	David, Bohumil Schneeweiss, Oldřich Pizúrová, Naděžda Mašláň, M. Zbořil, R. Zábranský, Karel
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2010-01-31 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	American Institute of Physics
https://schema.org/isbn	978-0-7354-0806-7
is http://linked.open...avai/riv/vysledek of	Preparation and Properties of FeCo Nanoparticles Preparation and Properties of FeCo Nanoparticles Preparation and Properties of FeCo Nanoparticles

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