<affiliation wicri:level="1"><nlm:affiliation>Department of Physics, College of Sciences, Al Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, Saudi Arabia; Laboratory of Physics of Materials and Nanomaterials Applied at Environment (LaPhyMNE), Faculty of Sciences, Gabes University, Gabes, Tunisia.</nlm:affiliation>
<country xml:lang="fr">Tunisie</country>
<wicri:regionArea>Department of Physics, College of Sciences, Al Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh, Saudi Arabia; Laboratory of Physics of Materials and Nanomaterials Applied at Environment (LaPhyMNE), Faculty of Sciences, Gabes University, Gabes</wicri:regionArea>
<wicri:noRegion>Gabes</wicri:noRegion>
</affiliation>