Affiliation: | (1) Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia;(2) TsENTROTEKh Research and Technology Center, St. Petersburg, Russia;(3) Konstantinov Institute of Nuclear Physics, Russian Academy of Sciences, Gatchina, Leningrad oblast, Russia;(4) VITCON Projectconsult GmbH, D-07745 Jena, Germany;(5) Leibniz Institute of Crystal Growth, Berlin, Germany;(6) Institute for Chemistry of High-Purity Substances, Russian Academy of Sciences, Nizhni Novgorod, Russia |