Intensity estimation of He+-ion-induced F K alpha doubly ionized X-ray satellites emitted from alkali and alkaline-earth fluorides

F K alpha satellite intensity distributions induced by He+ impacts were suc cessfully explained, with the aid of those induced by photon impacts, by th e shake-off and the resonant orbital rearrangement together with the direct coulomb interaction. molecular orbital Formation, the energy loss of proje ctiles and the self-absorption of emitted X-rays. Here photon-induced F Rr spectra were emitted from a series of alkali and alkaline-earth fluorides, i.e., NaF, KF. RbF and CsF, and MgF2, CaF2, SrF2 and BaF2. This kind of sem i-empirical calculation suggests that significant change in fine structures on the F K alpha satellites is useful to specify bonding characteristics o f these fluorides. (C) 1999 Elsevier Science B.V. All rights reserved.