Study of Gas Swelling Processes under Irradiation with Protons and He 2+ Ions in Li 4 SiO 4 –Li 2 TiO 3 Ceramics. - Kenzhina, Inesh E.; Kozlovskiy, Artem L.; Chikhray, Yevgen; Kulsartov, Timur; Zaurbekova, Zhanna; Begentayev, Meiram; Askerbekov, Saulet (Crystals (2073-4352), 2023)