Author/Authors :
Aliyeva، Shahla N. نويسنده Institute of Physics, Azerbaijan National Academy of Sciences, Baku, Azerbaijan , , Aliyeva، S. I. نويسنده Institute of Physics, Azerbaijan National Academy of Sciences, Baku, Azerbaijan , , Mehdiyev، Talat R. نويسنده Institute of Physics, Azerbaijan National Academy of Sciences, Baku, Azerbaijan ,