Defect models of the three trigonal Ti3+ centers in LiF:Ti3+ and LiF:Ti3+:Mg2+ crystals

Zheng, Wen-Chen; Zhou, Qing; Feng, Wenlin; Yang, Mei

doi:10.1016/j.saa.2006.06.019

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“…Here, the interplanar distance of the {2 0 0} family increases from 2.020 70.001 to 2.02370.001Å and the lattice parameter increases from 4.04170.001 to 4.04670.001Å, respectively. Studies have shown that Ti substitutes at a Li vacancy and is displaced approximately 0.62Å along the /1 1 1S axle due to electrostatic interactions [20]. The ionic radius of Ti 4 + (68 pm) is greater than that of Li + (60 pm), which results in enlargement of the interplanar distance.…”

Section: Resultsmentioning

confidence: 99%