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Thermoluminescence and Optical Absorption of NaBr:S- Crystals
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Thermoluminescence and optical absorption in NaBr:S- crystals have been studied in the temperature range between 80 and 300 K. The kinetics of formation and decomposition of the so-called FH center, which consists of an F center associated with a neighboring sulfur ion, has been investigated in relation to thermoluminescence. It has been found that the thermoluminescence glow peak, which has an emission band with a peak at 815 nm (1.52 eV), appears at 230±3 K and is strongly concerned with recombination of the electron of the FH center. Such a model has been supported by observing the change in the optical absorption due to the S- centers and the FH centers.
Title: Thermoluminescence and Optical Absorption of NaBr:S- Crystals
Description:
Thermoluminescence and optical absorption in NaBr:S- crystals have been studied in the temperature range between 80 and 300 K.
The kinetics of formation and decomposition of the so-called FH center, which consists of an F center associated with a neighboring sulfur ion, has been investigated in relation to thermoluminescence.
It has been found that the thermoluminescence glow peak, which has an emission band with a peak at 815 nm (1.
52 eV), appears at 230±3 K and is strongly concerned with recombination of the electron of the FH center.
Such a model has been supported by observing the change in the optical absorption due to the S- centers and the FH centers.
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