The scintillation properties of LaF/sub 3/ single crystals doped with Nd/sup 3+/ were studied by means of X-ray excitation. The Nd concentration ranged from 0.001 to 12 mol.%. The luminescence caused by 4f-4f transitions in Nd/sup 3+/ shows a maximum intensity at concentrations near 1 mol.%. A 5d-4f transition yields an emission band at 173 nm with a decay time of about 6 ns. The intensity of this emission was studied as a function of the Nd concentration. It appears that the intensity increases with the Nd concentration.>
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Dorenbos et al. (1990) studied this question.
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