Institution: | 1. Graduate School of Materials Research, ?bo Akademi University, 20500 Turku, Finland;2. Institute of Semiconductor Physics, 630090 Novosibirsk, Russia;3. Novosibirsk State University, 630090 Novosibirsk, Russia;4. Department of Physics and Material Sciences Center, Philipps‐University, 35032 Marburg, Germany;5. Department of Physics and Center for Functional Materials, ?bo Akademi University, 20500 Turku, Finland |