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Poly(vinyl phosphonic acid) (PVPA)-BaFe12O19 Nanocomposite
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- Durmus, Z. (author)
- Fatih Univ, Istanbul, Turkey
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- Kavas, H. (author)
- Gebze Inst Technol, Izmit, Turkey
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- Sozeri, H. (author)
- Natl Metrol Inst, Gebze, Turkey
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- (creator_code:org_t)
- 2012-01-03
- 2012
- English.
- In: Journal of Superconductivity and Novel Magnetism. - : Springer Science and Business Media LLC. - 1557-1939 .- 1557-1947. ; 25:4, s. 1185-1193
- Journal article (peer-reviewed)
Abstract
Subject headings
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- We present a method for the fabrication of PVPA/BaFe12O19 nanocomposite by in-situ polymerization of vinyl phosphonic acid, VPA in the presence of synthesized BaFe12O19 NPs. Nanoparticles and the nanocomposite were analyzed by XRD, FTIR, TGA, SEM, TEM, VSM, and conductivity techniques for structural and physicochemical characteristics. Nanoparticles, identified as BaFe12O19 from XRD analysis, were successfully coated with PVPA and the linkage was assessed to be via P-O bonds. Electron microscopy analysis revealed aggregation of BaFe12O19 particles and dominantly platelet morphology upon composite formation. TGA analysis revealed the composition of the nanocomposite as 65% BaFe12O19 and 35% polymer. Magnetic evaluation revealed that adsorption of PVPA anions during the preparation of the nanocomposite strongly influenced the magnetic properties resulting in much lower saturation magnetization values. DC conductivity measurements were used to calculate activation energy of PVPA/BaFe12O19 nanocomposite and it was obtained as 0.37 eV.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Keyword
- Magnetic nanomaterials
- Nanocomposites
- Conductivity
- Dielectric properties
Publication and Content Type
- ref (subject category)
- art (subject category)
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- Durmus, Z.
- Kavas, H.
- Sozeri, H.
- Toprak, Muhammet ...
- Aslan, A.
- Baykal, A.
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- NATURAL SCIENCES
- NATURAL SCIENCES
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- Royal Institute of Technology
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