THERMOLUMINESCENCE OF KCl AND NaCl AFTER X AND UV IRRADIATION AT HELIUM TEMPERATURE (in German)
Glow curves of luminescence are recorded in the range from 10 deg K to 300 deg K. One gets characteristic changes by prior annealing of the single crystals in O₂ or HCl. Also an increase of the latiice disorder causes new glow bands. In KCl a strong glow band always appears at 40 deg K after irradiating with x rays or ultraviolet light in the range of the exciton bands. It is ascribed to trapped excitons, which become mobile at that temperature. For x irradiated KCl the glow curve of luminescence is compared with the electrical glow bands and with the concentration change of known defects. The half width DELTA T of all glow bands is found proportional to the temperature of the maximum: DELTA T = (0.08 plus or minus O.O2)Tm. (auth)
- Research Organization:
- Universitat, Gottingen, Ger.
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-15-029260
- OSTI ID:
- 4840822
- Journal Information:
- Z. Physik, Journal Name: Z. Physik Vol. Vol: 163
- Country of Publication:
- Country unknown/Code not available
- Language:
- German
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