[1] Natl Acad Sci Ukraine, Inst Phys, Kiev, Ukraine
[2] Univ Lille, Fac Sci & Technol, Lab Phys Lasers Atomes & Mol PhLAM, Sis 42,Rue Paul Duez, F-59800 Lille, France
[3] Forschungszentrum Julich, Inst Bioelect IBI 3, D-52428 Julich, Germany
[4] Natl Acad Sci Ukraine, VI Vernadsky Inst Gen & Inorgan Chem, Kiev, Ukraine
[5] Cent Connecticut State Univ, Dept Phys & Engn Phys, New Britain, CT 06050 USA