Affiliation: | 1. Laboratoire d’Etudes des Surfaces et Interfaces des Matériaux Solides (L.E.S.I.M.S.), Department of Physics, University Sétif1, 19000, Sétif, Algeria 2. Faculté de Biologie, Université Abderrahmane Mira, 06000, Béja?a, Algeria 3. Department of Physics, Gebze Institute of Technology, ?ayirova, 41400, Kocaeli, Turkey
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