| Institution: | 1. OAPM group, Laboratory of Materials, Waves, Energy and Environment, Department of Physics, Faculty of Sciences, University Mohamed I, Oujda 60000, Morocco;2. Laboratory of Innovation in Science, Technology and Education, Regional Centre for the Professions of Education and Training, Oujda 60000, Morocco;3. Grupo de Materia Condensada-UdeA, Instituto de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín, Colombia;4. Departamento de Física, FACI, Universidad de Tarapacá, Casilla 7D Arica 1000000, Chile;5. Laboratory of Condensed Matter-Electronics and Signal Processing (LAMACET), Department of Physics, Faculty of Science, University of Dschang, P.O. Box 67, Dschang, Cameroon;6. Laboratory of Mechanic- Materials and Structures, Department of Physics, Faculty of Science, University of Yaounde I, Yaoundé, P.O. Box 812, Cameroon;7. MEGCE group, Laboratory of Materials, Waves, Energy and Environment, Department of Physics, Faculty of Sciences, University Mohamed I, Oujda 60000, Morocco |
