Affiliation: | 1. Institute of Physics of Materials, AS CR, Žižkova 22, CZ-61662 Brno, Czech Republic;2. Institute of Inorganic Chemistry, AS CR, CZ-25068 Řež, Czech Republic;3. Institute of Physics, AS CR, Na Slovance 2, CZ-18221 Praha 8, Czech Republic;4. National Institute for Laser, Plasma and Radiation Physics, P.O. Box MG-36, R-76900 Bucharest, Romania |