ZELINA, Peter, Ondřej JAŠEK, Vít KUDRLE, Bohumil DAVID and Naděžda PIZÚROVÁ. Versatile PECVD process for preparation of iron-based magnetic nanoparticles. In David Hui. Proceedings of ICCE 19. Shanghai, China: David Hui, 2011, p. 1331-1332.
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Basic information
Original name Versatile PECVD process for preparation of iron-based magnetic nanoparticles
Authors ZELINA, Peter, Ondřej JAŠEK, Vít KUDRLE, Bohumil DAVID and Naděžda PIZÚROVÁ.
Edition Shanghai, China, Proceedings of ICCE 19, p. 1331-1332, 2011.
Publisher David Hui
Other information
Original language English
Type of outcome Proceedings paper
Field of Study 10305 Fluids and plasma physics
Country of publisher United States of America
Confidentiality degree is not subject to a state or trade secret
Organization unit Faculty of Science
Keywords in English Plasma synthesis; PECVD; Nanoparticle; Magnetic nanopowder; Iron oxide
Tags International impact, Reviewed
Changed by Changed by: prof. Mgr. Vít Kudrle, Ph.D., učo 2560. Changed: 16/3/2012 15:26.
Abstract
Using microwave low-pressure discharge, we synthesised magnetic iron-oxide nanopowder from the iron pentacarbonyl precursor. We were able to vary the size and chemical composition (especially the ratio between various iron oxides) by careful control of the process parameters. The nanoparticulate product was analysed by X-ray diffraction (XRD) and Raman spectroscopy. However, the XRD cannot reliably distinguish between the size-broadened peaks of gamma-Fe2O3 (maghemite) and Fe3O4 (magnetite) due to their nearly identical crystalline structure. Hence we used a chemical method to determine the presence of Fe(II) and Fe(III) ions in the nanopowder samples. The results agree with those from the Raman spectroscopy.
Links
MSM0021622411, plan (intention)Name: Studium a aplikace plazmochemických reakcí v neizotermickém nízkoteplotním plazmatu a jeho interakcí s povrchem pevných látek
Investor: Ministry of Education, Youth and Sports of the CR, Study and application of plasma chemical reactions in non-isothermic low temperature plasma and its interaction with solid surface
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