Abstract
This article studies recombination luminescence: x-ray and thermoluminescence (XL and TL) in synthetic zircons made under various conditions, both nominally pure and activated with REE/sup 3 +/. The study was done to find out more about the nature of the inherent luminescence centers (LC) as well as to find out about their interactions with one another and with impurity LC, in addition to the relation between the luminescence characteristics and the synthesis conditions. All the specimens showed broad emission bands in the UV and blue ranges. Measurements on a wide range of synthetic and natural zircons show that there is a set of inherent luminescence centers characteristic of this matrix and an attempt has been made to interpret some of them. A thermalization model has been used to explain the intensity redistribution between the inherent and impurity centers.
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