1. Department of Physics, Beirut Arab University, Tarek El Jadida, 1107 2809 Beirut, Lebanon (Corresponding author), e-mail: firasoth81@hotmail.com, https://orcid.org/0000-0002-2308-0459
2. Lebanese Atomic Energy Commission, National Council for Scientific Research, Riad El Solh, Airport Rd., 1107 2260 Beirut, Lebanon
3. Department of Physics, Beirut Arab University, Tarek El Jadida, 1107 2260 Beirut, Lebanon
4. Physics Department, Faculty of Science, Alexandria University, Moharam Bek St., 21511 Alexandria, Egypt