Temperature dependence of hard magnetic properties of FePd nanoparticles prepared by sonoelectrochemistry
Main Article Content
Abstract
Abstract: Hard magnetic properties of magnetic nanoparticles FePd were investigated in dependence of temperature. Magnetic nanoparticles FePd were prepared from palladium acetate and iron acetate by sonoelectrochemistry, an useful technique to make metallic nanoparticles using ultrasound. Upon the annealing at 450°C to 650°C samples have ordered L10 structure and show hard magnetic properties with high coercivity up to 2.1 kOe at room temperature and increases to 2.43 kOe with decreasing temperature down to 2 K.
References
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[3] A. Cebollada, R.F.C. Farrow and M.F. Toney, “Structure and magnetic properties of chemically ordered magnetic binary alloys in thin film form”, in Magnetic Nanostructure, H.H. Nalwa, Ed., p. 93, American Scientific, Stevention Ranch, Calif, USA 2002.
[4] K. Sato, B. Bian and Y. Hirotsu, J. Appl. Phys. 91 (2002) 8516.
[5] K. Sato, T.J. Konno and Y. Hirotsu, J. Appl. Phys. 105 (2009)
[6] K. Sato, K. Aoyagi and T.J. Konno, J. Appl. Phys. 107 (2010) 024304;
[7] Y. Hou, H. Kondoh, T. Kogure and T. Ohta, Chem. Mater. 16 (2004) 5149.
[8] Y. Hou, H. Kondoh and T. Ohta, J. Nanosci. Nanotechnol. 9 (2009) 202.
[9] K. Watanabe, H. Kura, T. Sato, Sci. Tech. Adv. Mater. 7 (2006) 145.
[10] L. Wang, Z. Fan, A.G. Roy, D.E. Laughlin, J. Appl. Phys. 95 (2004) 7483.
[11] M. Chen and D.E. Nikles, J. Appl. Phys. 91 (2002) 8477.
[12] A. Gedanken, “Novel methods (sonochemistry, microwave heating, and sonoelectrochemistry) for the preparation of nanosized iorganic compounds,” in Inorganic Materials: Recent Advances, D. Bahadur, S. Vitta, andO. Prakash, Eds., p.302, NarosaPublishing, Delhi, India, 2002.
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[14] B.E. Warren, X-ray diffraction, 1st ed., Massachusetts: Addison-Wesley Publishing Co., 1969.