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Synthesis and characterization of poly(1-vinyl-1,2,4-triazole) (PVTri)-barium hexaferrite nanocomposite
KTH, School of Information and Communication Technology (ICT), Material Physics, Functional Materials, FNM.ORCID iD: 0000-0001-5678-5298
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2011 (English)In: Physica. B, Condensed matter, ISSN 0921-4526, Vol. 406, no 11, 2298-2302 p.Article in journal (Refereed) Published
Abstract [en]

We present a method for the fabrication of PVTri-BaFe12O19 nanocomposites by in-situ polymerization of PVTri in the presence of synthesized BaFe12O19 nanoparticles. Nanoparticles, polymer and nanocomposite were analyzed by XRD, FTIR, TGA, TEM, NMR, GPC and conductivity techniques for structural and physicochemical characteristics. Crystallographic analysis revealed the phase as hexaferrite and X-ray line profile fitting yielded a crystallite size of 17 +/- 5 nm. Conjugation of PVTri to nanoparticle surface was assessed to be via carbonyl groups on the polymer. TG analysis revealed that 45 wt% of nanocomposite is inorganic phase (BaFe12O19). It was found out that the ac conductivity of nanocomposite under a certain frequency increases with temperature.

Place, publisher, year, edition, pages
2011. Vol. 406, no 11, 2298-2302 p.
Keyword [en]
Nanocomposite, Hexaferrites, Electrical properties, Poly(1-vinyl-1, 2, 4-triazole)
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-34653DOI: 10.1016/j.physb.2011.03.063ISI: 000290951200045ScopusID: 2-s2.0-79955001669OAI: diva2:427008
Knut and Alice Wallenberg Foundation, UAW2004.0224
QC 20110627Available from: 2011-06-27 Created: 2011-06-13 Last updated: 2011-06-27Bibliographically approved

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Toprak, Muhammet S.
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