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Synthesis and characterization of PEG-Sr hexaferrite by sol-gel conversion
KTH, School of Information and Communication Technology (ICT), Material Physics, Functional Materials, FNM.ORCID iD: 0000-0001-5678-5298
2012 (English)In: Journal of Superconductivity and Novel Magnetism, ISSN 1557-1939, Vol. 25, no 6, 2003-2008 p.Article in journal (Refereed) Published
Abstract [en]

Sr-M-type hexagonal ferrites have been prepared via a sol-gel route, and the effects of addition of different molecular weight polyethylene glycol (PEG) into the sol solutions on the static magnetic properties and particle morphology have been studied. Crystalline phases of the samples were determined by XRD analysis. FT-IR and TG analyses were used to prove the presence of PEG on SrFe12O19. The results showed that adding PEG with different molecular weight into the sol solutions affected the formation mechanism of SrFe12O19. Sr-M precursors prepared by various PEG types show different magnetic behaviors after precalcination at 150 degrees C. This discrepancy is explained by the formation of a different phase during the synthesis of SrM particles.

Place, publisher, year, edition, pages
2012. Vol. 25, no 6, 2003-2008 p.
Keyword [en]
Hexaferrites, Magnetization, Polyethylene glycol, SEM, XRD
National Category
Materials Chemistry
URN: urn:nbn:se:kth:diva-101562DOI: 10.1007/s10948-012-1548-7ISI: 000309157100055ScopusID: 2-s2.0-84864629048OAI: diva2:548535

QC 20120831

Available from: 2012-08-31 Created: 2012-08-30 Last updated: 2012-11-01Bibliographically approved

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Toprak, Muhammet S.
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Functional Materials, FNM
Materials Chemistry

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