Spectroscopic properties and luminescence concentration quenching of the Pr3+ ion in La1−xPrxOCl
Publication date
1987-06
Authors
Mazurak, Z.G.
Vliet, J.P.M. van
Blasse, G.
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Article
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Abstract
Luminescence spectra ofLa1−xPrxOCl(0.01 ≤ x ≤ 0.3) were recorded at liquid helium and room temperature. From these spectra, the energy level diagram of Pr3+ in LaOCl was deduced. The decay times of the Pr3+ emission in La1−xPrxOCl were measured using a high-resolution dye laser system. The linear concentration quenching and exponential decay times are explained assuming cross relaxation and energy transfer between the Pr3+ ions.