Department of Physics,Faculty of Arts and Sciences,Ondokuz Mayis University,Kurupelit,55139 Samsun,Turkey;
Department of Chemistry,Faculty of Arts and Sciences,Karadeniz Technical University,61080 Trabzon,Turkey;
Department of Chemistry,Faculty of Arts and Sciences,Karadeniz Technical University,61080 Trabzon,Turkey;
Department of Chemistry,Faculty of Arts and Sciences,Karadeniz Technical University,61080 Trabzon,Turkey;
Department of Physics,Faculty of Arts and Sciences,Ondokuz Mayis University,Kurupelit,55139 Samsun,Turkey;