Atmospheric-pressure microwave torch discharge generated gamma-Fe2O3 nanopowder

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F13%3A00088100" target="_blank" >RIV/00216224:14310/13:00088100 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1016/j.phpro.2013.04.025" target="_blank" >http://dx.doi.org/10.1016/j.phpro.2013.04.025</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.phpro.2013.04.025" target="_blank" >10.1016/j.phpro.2013.04.025</a>

Result language
angličtina
Original language name
Atmospheric-pressure microwave torch discharge generated gamma-Fe2O3 nanopowder
Original language description
Microwave torch discharge ignited in Ar at 1 bar was used for the synthesis of gamma-Fe2O3 nanoparticles. A double-walled nozzle electrode enabled to introduce gases separately: Ar flowed in the central channel, whereas the mixture of H-2/O-2/Fe(CO)(5) was added into the torch discharge through an outer channel. The composition and properties of the synthesized nanopowders were studied by TEM, XRD, Raman and Mossbauer spectroscopies. Basic magnetic measurements at low/high temperatures were performed. The gamma-Fe2O3 phase with the mean crystallite size of 24 nm was identified by XRD in the representative sample. The measured Raman spectrum matched well those reported for gamma-Fe2O3 powders in the literature. In the transmission Mossbauer spectrum measured at 5 K the two sextets characteristic for gamma-Fe2O3 were clearly identified. No change in specific magnetic moment typical of Fe3O4 at its Verwey temperature was observed on the zero field curve, which smoothly increased with temperature.
Czech name
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Czech description
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2013
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
10TH INTERNATIONAL CONFERENCE ON SOLID STATE CHEMISTRY
ISBN
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ISSN
1875-3892
e-ISSN
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Number of pages
7
Pages from-to
206-212
Publisher name
ELSEVIER SCIENCE BV
Place of publication
AMSTERDAM
Event location
Pardubice, CZECH REPUBLIC
Event date
Jun 10, 2012
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000360747500025

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