Answers are grounded in this paper and cite their sources.
Low dose electron irradiation of LiNbO 3 :Fe induces an optical absorption band at 2.95 eV. The same effect is obtained by purely ionizing bremsstrahlung radiation. At variance with previous assignments, the band is associated with Fe 2+ . It shows the same thermal annealing behaviour as that found for F-centres in irradiated stoichiometric LiNbO 3 , confirming a hole recombination mechanism; Fe 2+ +h to Fe 3+ . For high dose irradiation additional bands are observed, which are attributed to oxygen vacancy centres (F + ) caused by displacement damage.
No takes yet. Share an insight, caveat, or question.
Hodgson et al. (1991) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: