1. Faculty of Physics and Center for Nanointegration (CENIDE), University of Duisburg-Essen, 47057 Duisburg, Germany
2. Department of Metallurgical and Materials Engineering, Muğla Sıtkı Koçman University, 48000 Muğla, Turkey
3. Center for Functionalized Magnetic Materials, Immanuel Kant Baltic Federal University, 236041 Kaliningrad, Russian Federation