IRRADIATION-INDUCED EXPANSION OF ALKALI HALIDE CRYSTALS AT ROOM TEMPERATURE
Journal Article
·
· Phys. Rev. Letters
The reflected x-ray intensities in the vicinity of a Bragg maximum are given for irradiated and unirradiated NaCl single crystals and the fractional increase in lattice parameter, ( DELTA d/d), is calculated from these data. The fractional F-center density and one-third the fractional volume expansion, as determined from photoelastic data, is plotted versus ( DELTA d/d) for several samples of LiF. The data indicate a substantial increase in the lattice parameter of alkali halide single crystals following x irradiation at room temperature. This suggests that interstitials are generatedand/or that there is considerable relaxation in the vicinity of the vacancies. (H.D.R.)
- Research Organization:
- Technische Hochschule, Darmstadt, Ger.; and Carnegie Inst. of Tech., Pittsburgh
- NSA Number:
- NSA-17-005018
- OSTI ID:
- 4756408
- Journal Information:
- Phys. Rev. Letters, Journal Name: Phys. Rev. Letters Vol. Vol: 9
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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