[1] D. A. Allwood, G. Xiong, C. C. Faulkne, D. Atkinson, D. Petit, R. P. Cowburn, Science 309 (2005) 1688-1692.
[2] J. Sarkar, G. G. Khan,A. Basumallick, Bull. Mater. Sci. 30 (2007) 271-290.
[3] S. Shingubara, J. Nanopart. Research. 5 (2003) 17-30.
[4] W. Lee, J. Min. Met. Mater. Soc. 62 (2010) 57-63.
[5] J. Azevedo, C. T. Sousa, J. Ventura, A. Apolinario, A. Mendes, J. P. Araujo, Mater. Res. Express. 1 (2014) 015028.
[6] M. Ghaffari, A. Ramazani, M. Almasi Kashi, J. Phys. D: Appl. Phys. 46 (2013) 295002.
[7] A. Ramazani, M. Almasi Kashi, G. Seyedi, J. Magn. Magn. Mater. 324 (2012) 1826-1831.
[8] M. Albrecht, G. Hu, A. Moser, B. D. Terris, J. Appl. Phys. 97 (2005) 103910-5.
[9] T. C. Arnoldussen, L. L. Nunnelley, Noise in Digital Magnetic Recording. Singapore: World Scientific, 1992.
[10] W. Lee, R. Ji, U. Gösele, K. Nielsch, Nat. Mater. 5 (2006) 741-747.
[11] H. Masuda, K. Fukuda, Science 268 (1995) 1466-1468.
[12] M Fearon, R. W. Chantrell,E. P. Wohlfarth, J. Magn. Magn. Mater. 86 (1990) 197-206.
[13]M. Walker P. I. Mayo, K. O'Grady, S. W. Charles,R. W. Chantrell, J. Phys: Condens. Matter 5 (1993) 2793-2808.
[14]X-d. Che, H. Neal Bertram, J. Magn. Magn. Mater. 116 (1992) 121-127.
[15] M. P. Proenca, K. Merazzo, L. Vivas, D. Leitao, C. Sousa, J. Ventura, J. Araujo, M. Vazquez, Nanotechnology 24 (2013) 475703.
[16] A. P. Roberts, C. R. Pike, K. L. Verosub, J. Geophys. Res. 105 (2000) 28461-28475.
[17] R. Leonhardt, D. Krása, R. S. Coe, phys. earth. planet. in. 147 (2004) 127-140.
[18] C. Carvallo, A. R. Muxworthy, D. J. Dunlop, W. Williams, Earth Planet. Sci. Lett. 213 (2003) 375-390.
[19] A. R. Muxworthy, D. J. Dunlop, Earth Planet. Sci. Lett. 203 (2002) 369-382.
[20] C. R. Pike, A. P. Roberts, M. J. Dekkers, K. L. Verosub, phys. earth. planet. in. 126 (2001) 11-25.
[21]M. Almasi Kashi, A. Ramazani,A. Esmaeily, IEEE Trans. Magn. 49 (2013) 1167-1171.
[22]Y. P. Ivanov, M. Vázquez, O. Chubykalo-Fesenko, J. Phys. D: Appl. Phys. 46 (2013) 485001.
[23] F. Béron, L. Clime, M. Ciureanu, D. Ménard, R. W. Cochrane, A. Yelon, J. Nanosci. Nanotechnol. 8 (2007) 1-11.
[24] S. Samanifar, M. Almasi Kashi, A. Ramazani and M. Alikhani, J. Magn. Magn. Mater. 378 (2015) 73-83.
[25] S. Alikhanzadeh Arani, M. Almasi Kashi, A. Ramazani, Curr. Appl. Phys. 13 (2013) 664-669.
[26] W. D. Zhong, Ferromagnetism, Beijing: Science Press, 1998.
[27] B. D. Cullity, C. D. Graham, Introduction to magnetic materials, John Wiley & Sons, 2008.
[28] L. Sun, Y. Hao, C-L. Chien, P. C. Searson IBM J. Res. Dev. 49 (2005) 79-102.
[29] G. C. Han, B. Y. Zong, P. Luo, Y. H. Wu, J. Appl. Phys. 93 (2003) 9202-9206.
[30] C-I. Dobrotă, A. Stancu, J. Appl. Phys. 113 (2013) 043928.
[31] C. Kittel, P. McEuen, Introduction to solid state physics, Academic, New York: Wiley, 1980.
[32] M. Ciureanu, F. Béron, P. Ciureanu, R. W. Cochrane, D. Ménard, A. Sklyuyev, A. Yelon, J. Nanosci. Nanotechnol. 8 (2008) 5725-5732.
[33] L. Clime, F. Béron, P. Ciureanu, M. Ciureanu, R. W. Cochrane,A. Yelon, J. Magn. Magn. Mater. 299 (2006) 487-491.
[34] L. Comstock, Magnetic Information-Storage Materials,Springer Handbook of Electronic and Photonic Materials, 2007.