See also: V.Sh. Shekhtman, L.G. Shabel’nikov
PACS: 41.50.+h, 87.59.-e, 87.64.Bx, 42.40.Kw, 42.40.My, 42.30.Wb, 42.70.Ln, 42.40.Ht, 42.40.Lx