Abstract
The polarization of the thermoluminescence of various scheelite type single crystals being correlated with the thermal decay of intrinsic hole centres has been measured. The crystals show partial z-polarization of the thermoluminescence. The degree of polarization of the glow light increases with increasing compression of the anionic XO 2- 4 complexes in different crystals. A model explaining the results on the basis of the term diagram of a single oxocomplex is presented.
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