THE EFFECT OF PRESSURE ON COLOR CENTERS IN ALKALI HALIDE CRYSTALS
Journal Article
·
· Phys. and Chem. Solids
The absorption spectra of both x-irradiated and additively colored alkali halides were studied under pressure up to 50,000 atm. These experiments were conducted at room temperature and, with a few exceptions, only those bands occurring in or near the visible region of the spectrum were studied. Frequency shifts and bleaching effects, the latter induced both by radiation and by plastic deformation, were observed. An apparently new band, intimately related to the F center and appearing at the expense of the F band, has been studied. Several related experiments were run at 1 atm. It is shown that atmospheric oxidation is one of the mechanisms responsible for the bleaching of plastically deformed crystals. (auth)
- Research Organization:
- Univ. of Illinois, Urbana
- NSA Number:
- NSA-12-013006
- OSTI ID:
- 4334329
- Journal Information:
- Phys. and Chem. Solids, Journal Name: Phys. and Chem. Solids Vol. Vol: 5
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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