Thermally stimulated glow peaks in Ge-doped cultured quartz crystals and their radiation response

Ge-doped crystalline quartz has been examined for its thermally stimulated luminescence and has been found to exhibit TL-glow peaks at 100, 200, and 310 °C. While the peaks at 100 and 310 °C have already been noticed in conventionally grown quartz, the new peak at 200 °C, observed in the present stu...

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Bibliographic Details
Published in:Journal of applied physics 2007-02, Vol.101 (3)
Main Author: Bahadur, Harish
Format: Article
Language:English
Subjects:
CRYSTAL DEFECTS
CRYSTALS
DOPED MATERIALS
ELECTRON BEAMS
ELECTRONS
GERMANIUM
HYDROXIDES
IRRADIATION
MATERIALS SCIENCE
MEV RANGE 01-10
QUARTZ
TEMPERATURE DEPENDENCE
TEMPERATURE RANGE 0273-0400 K
TEMPERATURE RANGE 0400-1000 K
THERMOLUMINESCENCE
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Summary:Ge-doped crystalline quartz has been examined for its thermally stimulated luminescence and has been found to exhibit TL-glow peaks at 100, 200, and 310 °C. While the peaks at 100 and 310 °C have already been noticed in conventionally grown quartz, the new peak at 200 °C, observed in the present studies, appears to be due to the presence of Ge in quartz lattice. The radiation dependence of this peak upon irradiation at 300 K by high energy electrons (1.75 MeV) has been presented and the results have been compared and discussed in terms of the hydroxyl defects in natural, cultured, and Ge-doped cultured quartz.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.2431683