About: Preparation and properties of alpha-Fe and Fe3O4 nanocrystals in MgO and TiO2 Matrices

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Preparation of the nanocrystalline composites of iron and magnetite nanoparticles embedded in MgO or TiO2 matrices is described. The results of phase analysis obtained by means of Mössbauer spectroscopy, X-ray diffraction, TEM and magnetic measurements are reported. Coercive force of the samples of the composite formed by spherical Fe3O4 (mean size -20 nm) nanoparticles was 25±1 mT and for alpha-Fe (-30nm) it was 30±1 mT. These values were not influenced by the chemical difference of the matrix materials. Preparation of the nanocrystalline composites of iron and magnetite nanoparticles embedded in MgO or TiO2 matrices is described. The results of phase analysis obtained by means of Mössbauer spectroscopy, X-ray diffraction, TEM and magnetic measurements are reported. Coercive force of the samples of the composite formed by spherical Fe3O4 (mean size -20 nm) nanoparticles was 25±1 mT and for alpha-Fe (-30nm) it was 30±1 mT. These values were not influenced by the chemical difference of the matrix materials. (en) V práci je popisována příprava nanokrystalického kompozitu částic železa a magnetitu v matricích MgO a TiO2. Jsou zde popsány výsledky fázové analýzy získané pomocí Mössbauerovy spektroskopie, rtg. difrakce, TEM a magnetických měření. Koercitivní síla vzorku tvořeného kulovými částicemi Fe3O4 (o průměrné velikosti ~20 nm) 25±1 mT a pro alpha-Fe (~30nm) 30±1 mT. Ttyto hodnoty nebyly ovlivněny rozdílným chemickým složením matrice. (cs)
Title	Preparation and properties of alpha-Fe and Fe3O4 nanocrystals in MgO and TiO2 Matrices Příprava a vlastnosti nanokrystalů alpha-Fe and Fe3O4 v matricích MgO a TiO2 (cs) Preparation and properties of alpha-Fe and Fe3O4 nanocrystals in MgO and TiO2 Matrices (en)
skos:prefLabel	Preparation and properties of alpha-Fe and Fe3O4 nanocrystals in MgO and TiO2 Matrices Příprava a vlastnosti nanokrystalů alpha-Fe and Fe3O4 v matricích MgO a TiO2 (cs) Preparation and properties of alpha-Fe and Fe3O4 nanocrystals in MgO and TiO2 Matrices (en)
skos:notation	RIV/68081723:_____/04:00000424!RIV/2005/MSM/A07005/N
http://linked.open.../vavai/riv/strany	36;40
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(ME 635), Z(AV0Z2041904)
http://linked.open...vai/riv/dodaniDat	2005
http://linked.open...aciTvurceVysledku	Schneeweiss, Oldřich 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	581531
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/04:00000424
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Nanocrystalline materials;composite;magnetic properties (en)
http://linked.open.../riv/klicoveSlovo	composite magnetic properties Nanocrystalline materials
http://linked.open...ontrolniKodProRIV	[2215F85F6935]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Brno
http://linked.open...i/riv/nazevZdroje	Proceedings of the International Conference NANO'04
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	http://linked.opendata.cz/resource/domain/vavai/projekt/ME%20635
http://linked.open...UplatneniVysledku	2004
http://linked.open...iv/tvurceVysledku	Schneeweiss, Oldřich Zbořil, Radek Mašláň, Miroslav Pizúrová, Naděžda Qiao, Yuanyuan
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2004-10-13 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Behavior and properties of metallic and non-metallic materials in relation to their structure, research on processes leading to degradation of material quality
number of pages	267 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Vysoké učení technické v Brně
https://schema.org/isbn	80-214-2793-0

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