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Annealing behaviour of Fe-C-N nanopowder: formation of iron/graphite core-shell structured nanoparticles
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SYSNO ASEP 0026048 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Annealing behaviour of Fe-C-N nanopowder: formation of iron/graphite core-shell structured nanoparticles Title Vliv žíhání na Fe-C-N nanoprášek: vytvoření železných nanočástic s grafitovou obálkou Author(s) David, Bohumil (UFM-A) RID
Pizúrová, Naděžda (UFM-A) RID, ORCID
Schneeweiss, Oldřich (UFM-A) RID, ORCID
Bezdička, Petr (UACH-T) SAI, RID, ORCID
Filip, J. (CZ)
Alexandrescu, R. (RO)
Morjan, I. (RO)
Cruneteanu, A. (RO)
Voicu, I. (RO)Source Title Materials Science Forum - ISSN 0255-5476
Roč. 482, - (2005), s. 187-190Number of pages 4 s. Language eng - English Country CH - Switzerland Keywords magnetism ; iron ; nanoparticle Subject RIV BM - Solid Matter Physics ; Magnetism R&D Projects GA202/04/0221 GA ČR - Czech Science Foundation (CSF) KSK1010104 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z20410507 - UFM-A (2005-2011) AV0Z40320502 - UACH-T (2005-2011) UT WOS 000228329200035 Annotation We are reporting the core-shell structured iron/graphite nanoparticles formed by annealing of a nanopowder. The original Fe-C-N based nanopowder has been synthesized by the laser pyrolysis of gas phase reactants. TEM, XRD, Raman spectroscopy, Mössbauer spectroscopy and magnetic measurements were used for its characterization. Nanopowder was heated up to 800°C at ~ 1 Pa vacuum. Presence of iron nanoparticles with the mean diameter of 40 nm in the annealed state of the nanopowder was confirmed from the width of α-Fe X-ray diffraction lines and their core-shell structure was observed under TEM. Workplace Institute of Physics of Materials Contact Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Year of Publishing 2006
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