D. I. Devyaterikov, V. V. Proglyado (Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, Ekaterinburg, Russia); E. A. Kravtsov (Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, Ekaterinburg, Russia; Ural Federal University, Ekaterinburg, Russia)

REMUR (IBR-2, Dubna); IMP UB RAS