Obaid, Ruwaida S., Department of physics, College of Science, University of Baghdad, Baghdad, Iraq Obasi, Rita C., Centre for Satellite Technology Development-NASRDA, Abuja, Nigeria Obasi, Rita C., Centre for Satellite Technology Development-NASRDA, Abuja, Nigeria Obisung, Effiong, Department of Physics, University of Calabar, Calabar, Nigeria Obisung, Effiong, Department of Physics, University of Calabar, PMB 1115, Calabar, Nigeria Obisung, Effiong O., Department of Physics, University of Calabar, P.M.B 1115, Calabar, Nigeria Obu, Joseph A., Theoretical Physics Group, Department of Physics, University of Calabar, Calabar, Nigeria Odeychuk, A. N., National Science Center «Kharkiv Institute of Physics and Technology» Akademicheskaya str. 1, 61108 Kharkiv, Ukraine Odeychuk, Mykola P., National Science Center Kharkiv Institute of Physics and Technology, Kharkiv, Ukraine Oduncuoglu, Murat, Department of Physics, Yıldız Technical University, Istanbul, Turkey Odzhaev, Vladimir B., Belarusian State University, Minsk, Republic of Belarus Ogherohwo, E.P., Federal University of Petroleum Resources, Effurun, Delta State, Nigeria Ogloblina, P. A., V.N. Karazin Kharkiv National University4 Svobody square, Karkiv 61022 Ogurtsova, Tetiana M., O.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine, Kharkiv, Ukraine Ohon, Natalia, Lviv Polytechnic National University, Department of Electronic Engineering, Lviv, Ukraine Okoli, Donald N., Physics/Industrial Physics Department, Nnamdi Azikiwe University, Nigeria Okon, Ituen, Theoretical Physics Group, Department of Physics, University of Uyo, Nigeria Okoro, Osaretin E., Centre for Satellite Technology Development-NASRDA, Abuja, Nigeria Okseniuk, I., V.N. Karazin Kharkiv National University, Kharkiv, Ukraine Okseniuk, Ivan I., V.N. Karazin Kharkiv National University, Kharkiv, Ukraine Okseniuk, Ivan I., V.N. Karazin Kharkiv National University, Kharkiv, Ukraine Okseniuk, Ivan I., V.N. Karazin Kharkiv National University, Kharkiv, Ukraine Oksenyuk, I. I., V.N. Karazin Kharkov National University
4 Svobody Sq., Kharkiv, 61022, Ukraine Olefir, Volodymyr, V.N. Karazin Kharkiv National University, Kharkiv, Ukraine Olefir, Volodymyr, V.N. Karazin Kharkiv National University, Kharkiv, Ukraine; National Science Center “Kharkiv Institute of Physics and Technology”, Kharkiv, Ukraine Olefir, Volodymyr P., V.N. Karazin Kharkiv National University, Kharkiv, Ukraine Olefir, Volodymyr P., V.N. Karazin Kharkiv National University, Kharkiv, Ukraine Oleinikov, Eugene V., Institute of Electron Physics, National Academy of Sciences of Ukraine, Uzhhorod, Ukraine Olejnik, S. N., National Scientific Centre “Kharkiv Institute of Physics and Technology” 1, Akademichna st., 61108, Kharkiv, Ukraine Olejnik, Stanislav N., National Science Center “Kharkov Institute of Physics and Technology”, Kharkiv, Ukraine Olimov, Abdurauf N., Institute of Ion-Plasma and Laser Technologies, Uzbekistan Academy of Sciences, Tashkent, Uzbekistan Ollamberganov, Sherzod Z., Karakalpak State University, Nukus, Uzbekistan Olopade, Muteeu A., Department of Physics, Fourah Bay College, University of Sierra Leone, Freetown, Sierra Leone; Department of Physics, Faculty of Science, University of Lagos, Akoka, Lagos, Nigeria Omelchenko, A., Institute of Plasma Physics, NSC “Kharkiv Institute of Physics and Technology” Omelnik, O., National Science Center “Kharkiv Institute of Physics and Technology” of NAS of Ukraine, Kharkiv, Ukraine Omelnik, O. P., National Science Center “Kharkov Institute of Physics and Technology” 1, Akademicheskaya St., 61108, Kharkov, Ukraine Omelnik, Oleksandr P., NSC “Kharkiv Institute of Physics & Technology” NASU,Kharkiv, Ukraine Omelnyk, Oleksandr, National Science Center «Kharkiv Institute of Physics and Technology», Kharkiv, Ukraine Omelnyk, Oleksandr P., National Science Center “Kharkiv Institute of Physics & Technology”, Kharkiv, Ukraine Omonov, Bunyodjon U., Fergana State University, Fergana, Uzbekistan Omugbe, E., Department of Physics, Federal University of Petroleum Resources, Effurun, Delta State, Nigeria Onarkulov, Karimberdi E., Fergana State University, Fergana, Uzbekistan Ongodo, Dieudonné, Laboratory of Atomic, Molecular and Nuclear Physics, Department of Physics, Faculty of Science University of Yaounde, Yaounde, Cameroon Onimisi, Muhammad Y., Department of Physics, Nigerian Defence Academy, Kaduna, Nigeria Onishchenko, I. N., NSC Kharkov Institute of Physics & Technology 61108 Kharkov, Ukraine Onishchenko, I. N., NSC Kharkov Institute of Physics & Technology61108 Kharkiv, Ukraine Onishchenko, I. N., NSC “Kharkiv Institute of Physics and Technology” NASU Kharkiv, 61108, st. Akamemicheskaya 1, Ukraine Onishchenko, I.N., National Science Center «Kharkiv Institute of Physics and Technology», Kharkiv, Ukraine Onishchenko, I.N., National Science Center «Kharkiv Institute of Physics and Technology», Kharkiv, Ukraine Onishchenko, Ivan, NSC “Kharkiv Institute of Physics and Technology” NASU, Kharkiv, Ukraine