About: -Fe Nanoparticles Prepared by Microwave Plasma Decomposition of Iron Pentacarbonyl

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The nanocrystalline iron powder has been prepared by the introducing of Fe(CO)5 vapor into the microwave induced argon discharge. A microwave 2.45 GHz source was operated at 430 W. The reaction was performed in a quartz tube passing through the microwave waveguide. The in-situ passivation using air was applied after synthesis. The powder was characterised by TEM, XRD, and Mössbauer spectroscopy. According to our TEM investigation, the produced passivated powder included aggregated core-shell nanoparticles. The cores consist of -Fe and the shell is supposed to be iron oxide (indicated by TEM). The presence of -Fe and iron oxides was confirmed by XRD and Mössbauer spectroscopy. The mean coherence domain size of -Fe cores was estimated to be 30 nm. The synthesized nanopowder exhibits ferromagnetic behaviour. The nanocrystalline iron powder has been prepared by the introducing of Fe(CO)5 vapor into the microwave induced argon discharge. A microwave 2.45 GHz source was operated at 430 W. The reaction was performed in a quartz tube passing through the microwave waveguide. The in-situ passivation using air was applied after synthesis. The powder was characterised by TEM, XRD, and Mössbauer spectroscopy. According to our TEM investigation, the produced passivated powder included aggregated core-shell nanoparticles. The cores consist of -Fe and the shell is supposed to be iron oxide (indicated by TEM). The presence of -Fe and iron oxides was confirmed by XRD and Mössbauer spectroscopy. The mean coherence domain size of -Fe cores was estimated to be 30 nm. The synthesized nanopowder exhibits ferromagnetic behaviour. (en) Použili jsme dekompozici pentakarbonylu železa v mikrovlném plazmatu pro přípravu železných nanočástic. Páry pentakarbonylu železa byly přidány do argonového výboje v surfaguide. Byla změřena optická emisní spektra a spočítány rotační a vibrační teploty. Teploty byly určeny v závislosti na koncentraci pentakarbonylu železa a na axiální a radiální vzdálenosti. Získané nanočástice byly analyzovány pomocí RTG difrakce a TEM. Byly pozorovány nanočástice se strukturou jádro-slupka, kde alfa-Fe fáze tvořila jádro a Fe(x)O(y) nebo C tvořily slupku částice. (cs)
Title	-Fe Nanoparticles Prepared by Microwave Plasma Decomposition of Iron Pentacarbonyl -Fe Nanoparticles Prepared by Microwave Plasma Decomposition of Iron Pentacarbonyl (en) -Fe nanočástice připravené rozkladem pentakarbonylu železa v mikrovlnném výboji (cs)
skos:prefLabel	-Fe Nanoparticles Prepared by Microwave Plasma Decomposition of Iron Pentacarbonyl -Fe Nanoparticles Prepared by Microwave Plasma Decomposition of Iron Pentacarbonyl (en) -Fe nanočástice připravené rozkladem pentakarbonylu železa v mikrovlnném výboji (cs)
skos:notation	RIV/68081723:_____/06:00045330!RIV07-MSM-68081723
http://linked.open.../vavai/riv/strany	366;369
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(1M0512), P(GA202/04/0221)
http://linked.open...vai/riv/dodaniDat	2007
http://linked.open...aciTvurceVysledku	David, Bohumil 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	475667
http://linked.open...ai/riv/idVysledku	RIV/68081723:_____/06:00045330
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	mictrowave plasma; nanoparticles; alpha-Fe (en)
http://linked.open.../riv/klicoveSlovo	alpha-Fe nanoparticles mictrowave plasma
http://linked.open...ontrolniKodProRIV	[00B0AB99B512]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Brno
http://linked.open...i/riv/nazevZdroje	NANO´05 International Conference Proceedings
http://linked.open...in/vavai/riv/obor	BL
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Research center of powdered nanomaterials Structure, electrical and magnetic properties of nanocrystalline materials composed of carbon and 3d transition metals
http://linked.open...UplatneniVysledku	2006
http://linked.open...iv/tvurceVysledku	David, Bohumil Schneeweiss, Oldřich Kudrle, V. Pizúrová, Naděžda Hoder, T. Janča, J.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2005-11-08 (xsd:date)
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Vysoké učení technické v Brně. Fakulta strojního inženýrství
https://schema.org/isbn	80-214-3085-0

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