Dariusz Kajewski 1, Jae-Hyeon Ko 2, Irena Jankowska-Sumara 3, Anette Bussmann-Holder 4, Byoungwan Lee 2, soohan Oh 2, Andrzej Majchrowski 5, Iwona Lazar 1, Andrzej Soszyński 1, Janusz Koperski 1, Krystian Roleder 1
1 Institute of Physics, University of Silesia, ul. Uniwersytecka 4, Katowice, Poland, 2 2Department of Physics, Hallym University, 1 Hallymdaehakgil, Chuncheon, Gangwondo 24252, Korea, Republic of (South), 3 Institute of Physics, Pedagogical University, ul. Podchor??ych 2, Kraków, Poland, 4 Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, D-70569 Stuttgart, Germany, 5 Institute of Applied Physics, Military University of Technology, ul. Kaliskiego 2, 00-908 Warszawa, Poland