1. Institute of Physics
AS CR, Cukrovarnicka 10, 16253 Prague, Czech Republic
2. New
Industry Creation Hatchery Center (NICHe), Tohoku University, 6-6-10
Aoba, Aramaki, Aoba-ku, Sendai, Miyagi, Japan
3. Faculty
of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Brehova 7, 115 19 Prague, Czech Republic
4. Institute
for Materials Research, Tohoku University, 2-1-1 Katahira, Aoba-ku, Sendai, 980-8577 Japan