20.500.12556/DKUM-10167 Hidrotermalna sinteza barijevega heksaferita v prisotnosti oleinske kisline Hydrothermal synthesis of barium hexaferrite in the presence of oleic acid 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. 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. barijev heksaferit hidrotermalna sinteza rentgenska praškovna difrakcija (XRD) transmisijska elektronska mikroskopija (TEM) termogravimetrična analiza (TGA). barium hexaferrite hydrothermal synthesis X-ray powder diffraction (XRD) transmission electron microscopy (TEM) thermogravimetric analysis (TGA). true true false [S. Colarič] Slovenski jezik Angleški jezik Diplomsko delo 2009-04-18 08:48:22 2009-05-11 13:41:09 2022-04-11 16:03:06 2022-04-16 03:13:49 2009 0 Maribor 0 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 54(043.2) 16830472 URN:SI:UM:DK:WRDKPMEK UNI_Colaric_Sandra_2009.pdf UNI_Colaric_Sandra_2009.pdf 1 A7FBA496F9764E3EA3EC2BC02BB5F04F dd44ba1f0700cececfbb7de9c754f6e91f714e0b854277bf8cc1ea5a3cf4dc1d be540894-7c02-11eb-bb7a-00155d0001ca 20.500.12556/dkum/89414750-97d5-409b-b835-34db0b53d73a https://dk.um.si/Dokument.php?lang=slv&id=8119 Fakulteta za naravoslovje in matematiko 0 0 0