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Synthesis and Characterization of Lanthanum-Doped Barium-Ferrite/Poly-o-toluidine Composites
Corresponding Author(s) : Ren Hua
Asian Journal of Chemistry,
Vol. 25 No. 10 (2013): Vol 25 Issue 10
Abstract
Electro-magnetic functionalized lanthanum-doped barium-ferrite(BL) particles synthesized by sol-gel selfpropagation high temperature, The final materials of lanthanum-doped barium-ferrite/poly-o-toluidine (BL/POT) composites have been successfully synthesized by in suit chemical polymerization. Crystal structure, morphology and magnetic properties of composites were studied by X-ray diffractometer, Fourier transform infrared spectroscopy, transmission electron microscopy and vibrating sample magnetometer. The results showed that the lanthanum-doped barium-ferrite particles size are 80-100 nm and the lanthanum-doped barium-ferrite/poly-o-toluidine composites size are at the range of 750 nm and when the doped La3+(x = 0.04), there have the best Ms of the BaLaxFe12-xO19/poly-o-toluidine composites.
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References
Z.W. Li, L. Chen and C.K. Ong, J. Appl. Phys., 92, 3902 (2002).
Y.J. Kim and S.S. Kim, IEEE Trans. Magn., 38, 3108 (2002).
H.J. Kwon, J.Y. Shin and J.H. Oh, J. Appl. Phys., 75, 6109 (1994).
Y.C. Yang, L.S. Kong, S.H. Sun, D.M. Gu and B.P. Cheng, J. Appl. Phys., 63, 3702 (1988).
A.N. Yusoff and M.H. Abdullah, J. Magn. Magn. Mater., 269, 271 (2004).
H. Montiel, G. Alvarez, M.P. Gutierrez, R. Zamorano and R. Valenzuela, J. Alloys Compd., 369, 141 (2004).
S.W. Phang, R. Daik and M.H. Abdullah, Thin Solid Films, 477, 125 (2005).
E. Hakansson, A. Amiet, S. Nahavandi and A. Kaynak, Eur. Polym. J, 43, 205 (2007).
S. Parveen, V. Choudhary, B.P. Singh, R.B. Mathur and S.K. Dhawan, Mater. Chem. Phys., 113, 919 (2009).
S.W. Phang, R. Daik and M.H. Abdullah, Thin Solid Films, 477, 125 (2005).
E. Hakansson, A. Amiet, S. Nahavandi and A. Kaynak, Eur. Polym. J., 43, 205 (2007).
S. Parveen, V. Choudhary, B.P. Singh, R.B. Mathur and S.K. Dhawan, Mater. Chem. Phys., 113, 919 (2009).
Z.L. Liu, Z.H. Ding, K.L. Yao, J. Tao, G.H. Du, Q.H. Lu, X. Wang, F.L. Gong and X. Chen, J. Magn. Magn. Mater., 265, 98 (2003).