See also: M.A. Proskurnin, L.O. Usoltseva, E.A. Vyrko, D.S. Volkov, V.R. Khabibullin, L.M. Lyamshev
PACS: 07.60.-j, 42.30.Wb, 43.35.Sx, 43.35.Ud, 78.20.nb, 78.20.N-, 78.20.Pa, 81.70.Cv, 82.80.Kq, 87.19.Pp