New Scintillation Crystals YAG:Yb3+:Mg2+ and YAG:Yb3+:Ca2+:Mg2+ with a Short Decay Time. - Belov, M. V.; Vlasov, V. I.; Zavartsev, Yu. D.; Zavertyaev, M. V.; Zagumennyi, A. I.; Kozlov, V. A.; Pestovskii, N. V.; Savinov, S. Yu.; Tskhay, V. S. (Bulletin of the Lebedev Physics Institute, 2024)