Abstract

Results of a comparative study on specific features of luminescence of thermochemical and radiation-colored crystals of aluminum oxide have been described. It is shown that crystals containing oxygen vacancies of different origins have identical main optical properties. A vacancy or vacancy-impurity origin of deep traps has been assumed. Some specific features of thermoluminescence (TL), which are common for both types of crystals, such as the dependence of the TL output on the heating rate and the occupancy of deep traps described by the model of interactive trap system, have been established.

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