See also: A.F. Volkov, Yu.A. Osip’yan, V.S. Vavilov, V.I. Perel’
PACS: 72.70.+m, 73.60.Dt, 71.20.-b, 62.20.Fe, 81.40.Lm, 72.80.Ey, 72.20.Jv