See also: R.N. Kuz’min, A.I. Frank, A.V. Kolpakov
PACS: 03.65.Nk, 03.75.Be, 41.85.-p, 42.25.Fx, 78.70.-g, 77.20.+y, 61.10.-i, 78.70.Ck, 42.55.Vc, 42.60.Jf, 52.50.Jm