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Title:Hidrotermalna sinteza barijevega heksaferita v prisotnosti oleinske kisline
Authors:Colarič, Sandra (Author)
Ban, Irena (Mentor) More about this mentor... New window
Files:.pdf UNI_Colaric_Sandra_2009.pdf (2,25 MB)
 
Language:Slovenian
Work type:Undergraduate thesis (m5)
Organization:FNM - Faculty of Natural Sciences and Mathematics
Abstract:Namen diplomskega dela je bil optimiziranje reakcijskih parametrov (volumen oleinske kisline, čas sinteze) pri hidrotermalni sintezi BaFe12O19 z namenom doseči čim manjšo velikost nanodelcev. Sintetizirane delce smo karakterizirali s termogravimetrično analizo (TGA) in ocenili velikost delcev s pomočjo rentgenske praškovne difrakcije (XRD). Velikost delcev smo izračunali s pomočjo Sherrer-jeve enačbe. Rezultati so pokazali, da dodatek oleinske kisline med hidrotermalno sintezo ter krajšanje časa sinteze tr, v splošnem zavirata rast velikih delcev BaFe12O19.
Keywords:barijev heksaferit, hidrotermalna sinteza, rentgenska praškovna difrakcija (XRD), transmisijska elektronska mikroskopija (TEM), termogravimetrična analiza (TGA).
Year of publishing:2009
Publisher:[S. Colarič]
Source:Maribor
UDC:54(043.2)
COBISS_ID:16830472 Link is opened in a new window
NUK URN:URN:SI:UM:DK:WRDKPMEK
Views:3187
Downloads:276
Metadata:XML RDF-CHPDL DC-XML DC-RDF
Categories:FNM
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Secondary language

Language:English
Title:Hydrothermal synthesis of barium hexaferrite in the presence of oleic acid
Abstract:The aim of work was to optimize reaction parameters (volume of oleic acid, synthesis time) during the hydrothermal synthesis of BaFe12O19 in order to obtain small final particle size of BaFe12O19 nanoparticles. Synthesized particles were characterized with thermogravimetric analysis (TGA) and the size of particles was estimated with X-ray powder diffraction (XRD). The size of nanoparticles was calculated with Sherrer's equation. The results showed that addition of oleic acid and decreasing of synthesis time tr reduce the growth of nanoparticles BaFe12O19.
Keywords:barium hexaferrite, hydrothermal synthesis, X-ray powder diffraction (XRD), transmission electron microscopy (TEM), thermogravimetric analysis (TGA).


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