Institution: | a Institute for Physical Problems, Baku State University, Z. Khalilov Str. 23, AZ-1148 Baku, Azerbaijan b Qafqaz University, Baku-Sumqayit Road, 16 km, Khirdalan, AZ-0101 Baku, Azerbaijan c Istanbul Kultur University, Science and Letters Faculty, Physics Department, Atakoy Campus, 34156 Istanbul, Turkey |