| Affiliation: | 1. Dep. of Physics, University of Agriculture, Abeokuta, Nigeria;2. Dep. of Physical Sciences, Bells University of Technology, Ota, Nigeria;1. Institute of Physics – Center for Science and Education, Silesian University of Technology, Krzywoustego 2, 44-100 Gliwice, Poland;2. Department of Materials Science, Silesian University of Technology, Krasińskiego 8, 40-019 Katowice, Poland;1. Programa de Pós-graduação em Física, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil;2. Instituto de Geociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil;3. Instituto de Física, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil;1. Department of Physics, TBML College, Poraiyar 609 307, Tamilnadu, India;2. Department of Physics, AVVM Sri Pushpam College, Poondi 613 503, Tamilnadu, India;1. Department of Physics, Bharathiyar College of Engineering & Technology, Karaikal 609 609, Puducherry, India;2. Department of Physics, TBML College, Poraiyar 609 307, Tamilnadu, India;3. Department of Physics, AVVM Sri Pushpam College, Poondi 613 503, Tamilnadu, India |
