期刊
PHYSICA B-CONDENSED MATTER
卷 406, 期 11, 页码 2298-2302出版社
ELSEVIER
DOI: 10.1016/j.physb.2011.03.063
关键词
Nanocomposite; Hexaferrites; Electrical properties; Poly(1-vinyl-1,2,4-triazole)
资金
- Fatih University, Research Project Foundation [P50020902-2]
- Scientific and Technological Research Council of Turkey (TUBITAK) [110T487]
- Knut and Alice Wallenbergs Foundation [UAW2004.0224]
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. (C) 2011 Elsevier B.V. All rights reserved.
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