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The nonmonotonic dose dependence of optically stimulated luminescence in : Analytical and numerical simulation results
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View: Figures


Image of FIG. 1.
FIG. 1.

The energy-level diagram of two electron trapping states and two kinds of hole recombination centers. Transitions occurring during excitation are given by the solid lines, and transitions taking place during the optical readout stage are shown by the thick lines.

Image of FIG. 2.
FIG. 2.

Simulated dose dependence of the concentration of the occupancy of the radiative center at the end of irradiation plus relaxation (a) and the end of light stimulation (b). Curve (c) shows, under the same circumstances, the integral OSL as a function of the dose. The relevant set of parameters is given in the text and includes an initial concentration of radiative center, .

Image of FIG. 3.
FIG. 3.

With the same parameters as in Fig. 2, the occupancy of the radiative center following excitation and relaxation is shown in (a), and that of active trap in (b). Curve (c) shows the simulated integral OSL in the same range of doses.

Image of FIG. 4.
FIG. 4.

Same as Fig. 3, but with . Curves (a) and (b) show, respectively, the occupancies of and at the end of relaxation, and (c) depicts the simulated integral OSL.

Image of FIG. 5.
FIG. 5.

Similar to Fig. 3, but the total concentration of competing centers is set to be .


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: The nonmonotonic dose dependence of optically stimulated luminescence in Al2O3:C: Analytical and numerical simulation results