L. Rama Prasad, J., Department of Mathematics, P.B. Siddhartha College of Arts & Science, Vijayawada, AP, India Laarej, Merad, University of Tlemcen, Faculty of Sciences, Department of Physics, Unity of Research “Materials and Renewable Energies”, Tlemcen, Nouveau Pôle, Mansourah, Algeria Lachabi, Abdelhadi, Applied Materials Laboratory (AML), Research Center, Djillali Liabes, University of Sidi Bel Abbes, Algeria Laha, S., Department of Physics, National Institute of Technology, Jamshedpur, India Laha, Ujjwal, Department of Physics, National Institute of Technology, Jamshedpur, India Laid, Abdelali, Applied Materials Laboratory, Research Center, Sidi Bel Abbes University, Algeria Laidoudi, Samiha , Université Mohamed El Bachir El Ibrahimi de Bordj Bou Arréridj El-Anasser, Algérie Lakehal, Brahim, Department of Industrial Safety, Health and Safety Institute, University of Batna 2, Algeria Lakel, Abdelghani, LPR Laboratory, Département of Physics, Faculty of Science, Badji –Annaba-Address, Algeria Lakshmi, C. Venkata, Department of Applied Mathematics, Sri Padmavati Mahila Visvavidyalayam, Tirupati, Andhra Pradesh, India Lamiri, Leila , Research Center in Industrial Technologies CRTI, Cheraga, Algiers, Algeria Lanez, I., Laboratory of Physical-Chemical Inorganic Materials and their applications (LPCMIA), Saad Dahleb University, Blida, Algeria Lankov, Bohdan, ES Group LLC, Kyiv, Ukraine Laouamer, Mosbah, UDERZA Unit, Faculty of Technology, University of El-Oued, Algeria Lavanya, K., Department of Mathematics, St. Francis College for Women, Begumpet, Hyderabad, India; Department of Mathematics, GITAM (Deemed to be University), Hyderabad, India Lavanya, K., Department of Mathematics, St. Francis College for Women, Begumpet, Hyderabad, India; Department of Mathematics, GITAM (Deemed to be University), Hyderabad, India Lawal, Kolawole M., Department of Physics, National Open University of Nigeria, Jabi, Abuja Lawani, Celine, Department of Physics, Nigerian Defence Academy, Kaduna, Nigeria Lazurik, Valentin T., V.N. Karazin Kharkiv National University, Kharkiv, Ukraine Lazurik, Valentín T., V.N. Karazin Kharkiv National University, Kharkiv, Ukraine Lebedenko, O.М., National Science Center «Kharkiv Institute of Physics and Technology», Kharkiv, Ukraine Lefaucheux, P., GREMI, Université d’Orléans, Orléans, France Leonov, Sergiy, National Science Center “Kharkov Institute of Physics and Technology”, Kharkiv, Ukrain Lesyuk, Rostyslav, Lviv Polytechnic National University, Department of Electronic Engineering, Lviv, Ukraine; University of Rostock, Institute of Physics, Rostock, Germany; Pidstyhach Institute for applied problems of mechanics and mathematics of NAS of Ukraine, Lviv, Ukraine Levenets, Volodymyr, National Science Center «Kharkiv Institute of Physics and Technology», Kharkiv, Ukraine Levenets, Volodymyr, National Science Center “Kharkiv Institute of Physics and Technology” of NAS of Ukraine, Kharkiv, Ukraine Levenets, Volodymyr V., National Science Center “Kharkiv Institute of Physics & Technology”, Kharkiv, Ukraine Levenets, Volodymyr V., National Science Center “Kharkov Institute of Physics & Technology”, Kharkiv, Ukraine Levenets, Volodymyr V., NSC “Kharkiv Institute of Physics & Technology” NASU, Kharkiv, Ukraine Likéné, André, Laboratory of Atomic, Molecular and Nuclear Physics, Department of Physics, Faculty of Science University of Yaounde, Yaounde, Cameroon Lipka, Volodymyr M., Rhythm Optoelectronics Shareholding Company, Chernivtsi, Ukraine; Yuriy Fedkovych Chernivtsi National University, Chernivtsi, Ukraine Lisin, Denys O. , V.N. Karazin Kharkiv National University, Kharkiv, Ukraine Lisovskiy, Valeriy, V.N. Karazin Kharkiv National University, Kharkiv, Ukraine Lisovskiy, Valeriy, V.N. Karazin Kharkiv National University, Kharkiv, Ukraine Litvinov, Viktor O., V.N. Karazin Kharkiv National University, Kharkiv, Ukraine Litvinov, Viktor O., V.N. Karazin Kharkiv National University, Kharkiv, Ukraine Litvinov, Viktor O., V.N. Karazin Kharkiv National University, Kharkiv, Ukraine (United States) Liu, Teng, School of Material Science and Engineering, Shenyang Aerospace University, Shenyang, China Lobach, K.V., National Science Center “Kharkiv Institute of Physics and Technology” Kharkiv, Ukraine Lokeshwari, A., Department of Mathematics, School of Advanced Sciences, Vellore Institute of Technology, Vellore, India Lokha, Anatoliy, Hryhoriy Skovoroda University, Pereyaslav, Kyiv Region, Ukraine Lonin, Oleksii Yu. , National Science Center “Kharkiv Institute of Physics & Technology”, Kharkiv, Ukraine Lonin, Oleksii Yu., National Science Center “Kharkov Institute of Physics & Technology”, Kharkiv, Ukraine Lonin, Oleksii Yu., National Science Center “Kharkov Institute of Physics & Technology”, Kharkiv, Ukraine Lonin, Oleksii Yu., NSC “Kharkiv Institute of Physics & Technology” NASU, Kharkiv, Ukraine Loumachi, Lazhar, Department of Civil Engineering, Faculty of sciences and technology, University Mohamed El Bachir El Ibrahimi of Bordj Bou Arréridj, Algeria Lu, Shaowei, School of Material Science and Engineering, Shenyang Aerospace University, Shenyang, China Luniov, Sergiy, Lutsk National Technical University, Lutsk, Ukraine Lutsenko, Evgeniy, National Science Center “Kharkov Institute of Physics and Technology”, Kharkiv, Ukraine Lykhatskyi, V.O., Kharkiv National University named after V.N. Karazin, Ukraine