Low Field Magnetic Properties of FeCo-Based Alloys M. Hasiaka,∗, M. Miglierini, A. ukiewska, J. Kaleta, J. Zbroszczyk Institute of Materials Science and Applied Mechanics, Wrocaaw University of Technology, Smoluchowskiego 25, 50 370 Wrocaaw, Poland Institute of Nuclear and Physical Engineering, Faculty of Electrical Engineering and Information Technology, Slovak University of Technology in Bratislava, Ilkovi£ova 3, 812 19 Bratislava, Slovakia Regional Centre of Advanced Technologies and Materials, Palacky University, 17. listopadu 12, 771 46 Olomouc, Czech Republic Institute of Physics, Cz¦stochowa University of Technology, 42 200 Cz¦stochowa, Poland