Dependence of the 7Li(p, α)4He minimum yield on the Mg-concentration for proton channeling in LiNbO3:Mg
1994
Abstract The dependence of the 7 Li(p, α) 4 He minimum yield on the magnesium concentration has been investigated for lithium niobate single crystals doped with MgO (between 0 and 9 mol% in the congruent melt) using proton channeling in combination with NRA. For all experimentally investigated axes — except the 〈0001〉-axis — systematic Mg-concentration dependent variations of the Li-NRA minimum yield have been observed. The comparison of these experimental observations with the results of the evaluations based on the continuum potentials supports the assignments for the lattice sites of Mg from recent IBA-experiments.
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