Institution: | 1. Ioffe Institute, 26 Politekhnicheskaya Str., St. Petersburg 194021, Russia;2. St. Petersburg Electrotechnical University “LETI”, 5 Prof. Popova Str., St. Petersburg 197376, Russia;1. Department of Physics, McGill University, Montreal H3A 2T8, Canada;2. Department of Electrical Engineering, Princeton University, Princeton, NJ 08544, USA;1. Institute of High Pressure Physics, Polish Academy of Sciences, Soko?owska 29/37, PL-01-142 Warsaw, Poland;2. Department of Electrical and Computer Engineering, Cornell University, Ithaca, NY 14853, USA;3. Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warsaw, Poland;4. TopGaN Ltd., Soko?owska 29/37, PL-01-142 Warsaw, Poland |