1. Institute of Physics, Azerbaijan Ministry of Science and Education, H. Javid Ave, 131, AZ1143 Baku, Azerbaijan
2. Institute of Materials for Electronics and Magnetism (IMEM), Consiglio Nazionale delle Ricerche, Parco Area delle Scienze 37/A, 43124 Parma, Italy
3. Department of Physics and Electronics, Khazar University, Mehseti Str., 41, AZ1096 Baku, Azerbaijan