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Effect of Fuel on the Synthesis and Properties of Poly(methyl methacrylate) Modified SrFe12O19 Nanoparticles
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, 1957-1963 p.Article in journal (Refereed) Published
Abstract [en]

Nanosized strontium hexaferrite (SrFe 12O 19) has been synthesized by citrate, urea, oxalic, and glycine precursor via a sol-gel route with poly(methyl methacrylate) (PMMA) as a templating agent. Crystal structure, morphology, and magnetic properties of as-synthesized nanoparticles were characterized by XRD, SEM, FT-IR, and VSM techniques. The formation of strontium hexaferrite and its crystallite size in presence of different fuels were compared. The influence of different fuels was reflected on the phase purity, morphology of the final powders as well as the magnetic properties. Magnetic measurements revealed that samples prepared by citric acid and glycine as fuel have high specific saturation magnetization and moderate coercivity, while urea and oxalic acid fuels resulted in low phase purity, and thus inferior magnetic properties.

Place, publisher, year, edition, pages
2012. Vol. 25, no 6, 1957-1963 p.
Keyword [en]
Fuel, Hard magnetic material, Magnetic nanoparticles, Magnetic properties, Strontium hexaferrite
National Category
Materials Engineering
URN: urn:nbn:se:kth:diva-101560DOI: 10.1007/s10948-012-1538-9ISI: 000309157100050ScopusID: 2-s2.0-84864576621OAI: diva2:548565

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
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