About: Multi-walled carbon nanotubes formed by condensed-phase conversions of Fe-C-based nanopowder in vacuum

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About: Multi-walled carbon nanotubes formed by condensed-phase conversions of Fe-C-based nanopowder in vacuum Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We describe the formation of multi-walled carbon nanotubes (MWCNTs) which have grown during annealing at 800 °C of Fe-C-based nanopowder in vacuum. The Fe-C-based nanopowder was produced by a laser pyrolysis of gas-phase reactants. The as-synthesized and annealed samples were characterised by TEM, XRD, Mössbauer spectroscopy, Raman spectroscopy, and magnetic measurements. Under the TEM, MWCNTs were observed in the annealed sample. In addition, larger particles with the graphitic shells and various graphitic structures were found. XRD and Mössbauer analysis confirmed that only two iron phases were present in the annealed sample: α-Fe and Fe3C. Phase transformations taking place during the thermal treatment of the sample are discussed. We describe the formation of multi-walled carbon nanotubes (MWCNTs) which have grown during annealing at 800 °C of Fe-C-based nanopowder in vacuum. The Fe-C-based nanopowder was produced by a laser pyrolysis of gas-phase reactants. The as-synthesized and annealed samples were characterised by TEM, XRD, Mössbauer spectroscopy, Raman spectroscopy, and magnetic measurements. Under the TEM, MWCNTs were observed in the annealed sample. In addition, larger particles with the graphitic shells and various graphitic structures were found. XRD and Mössbauer analysis confirmed that only two iron phases were present in the annealed sample: α-Fe and Fe3C. Phase transformations taking place during the thermal treatment of the sample are discussed. (en)
Title	Multi-walled carbon nanotubes formed by condensed-phase conversions of Fe-C-based nanopowder in vacuum Multi-walled carbon nanotubes formed by condensed-phase conversions of Fe-C-based nanopowder in vacuum (en)
skos:prefLabel	Multi-walled carbon nanotubes formed by condensed-phase conversions of Fe-C-based nanopowder in vacuum Multi-walled carbon nanotubes formed by condensed-phase conversions of Fe-C-based nanopowder in vacuum (en)
skos:notation	RIV/61989592:15310/06:00003425!RIV10-MSM-15310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1M0512), P(GA202/04/0221), Z(AV0Z20410507), Z(AV0Z40320502)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Schneeweiss, Oldřich Filip, 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	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	487345
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/06:00003425
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	iron; graphite; core-shell; nanotubes; graphitisation (en)
http://linked.open.../riv/klicoveSlovo	graphite core-shell nanotubes iron graphitisation
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[D04AAB286257]
http://linked.open...i/riv/nazevZdroje	Czechoslovak Journal of Physics
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	11 (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...v/svazekPeriodika	56
http://linked.open...iv/tvurceVysledku	David, Bohumil Filip, Jan Schneeweiss, Oldřich Bezdička, P. Morjan, I. Alexandrescu, R. Dumitrache, F. Klementová, M. Voicu, I. Fleace, C. T. Pizurova, N.
http://linked.open...n/vavai/riv/zamer	Physical properties of advanced materials in relation to their microstructure and processing Design, syntéza a charakterizace klastrů, kompozitů, komplexů a dalších sloučenin na bázi anorganických látek; mechanismy a kinetika jejich interakcí
issn	0011-4626
number of pages	11 (xsd:int)
http://localhost/t...ganizacniJednotka	15310

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