On the temperature stability of NaI(Tl) scintillators
Book
·
OSTI ID:79876
- Ukranian Academy of Science, Kharkov (Ukraine). Inst. for Single Crystals
The development of scintillation detectors able to operate at elevated temperatures is a major challenge of instrument engineering for geophysical applications. The main problem consists of the fact that with increasing temperature the quenching of the luminescence sharply decreases the sensitivity of the detector. Here, the temperature stability of NaI(Tl) scintillators is studied for crystals with various Tl{sup +} impurity content. It is shown that supersaturation of the Tl{sup +} ions and regulation of solid solution decomposition increase the light output at elevated temperatures. An explanation of this phenomenon is proposed.
- OSTI ID:
- 79876
- Report Number(s):
- CONF-940411--; ISBN 1-55899-248-0
- Country of Publication:
- United States
- Language:
- English
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