Exposure of crystals of CaF2 containing La3+ ions to ionizing radiations at room temperature produces La2+ ions on cubic lattice sites. The La2+ ions, which are stable at room temperature for a period of days, have been investigated by electron paramagnetic resonance methods.
No takes yet. Share an insight, caveat, or question.
Hayes et al. (1963) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: