ELECTRON PARAMAGNETIC RESONANCE OF CERTAIN COLOR CENTERS IN ALKALI-HALIDE CRYSTALS,
Abstract
KCl crystals with a concentration of 5.10 to the 16th power to 2.10 to the 17 power/cu. cm. F-centers were split in halves. The EPR of the original half, used as a standard, exhibited a strong signal with a signal-noise ratio of 100. In the second half the F-centers were destroyed by optical and thermal treatment, and F2 centers formed. EPR in these specimens was absent. Hyperfine structure of EPR lines of F-centers in KCl was observed at 20.4K. The average splitting was approx. 9, which was higher than the 7.72 observed by Feber. St 77K, the hyperfine structure dissappeared. The half-width of the lines at 77 and 20.4K was 58 and 60 oe respectively. Apparently, the EPR lines did not narrow in the range 300-20.4K. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 23, 1967
- Accession Number
- AD0658649
Entities
People
- A. A. Bugai
- A. A. Shatalov
- M. A. Ruban
Organizations
- National Air and Space Intelligence Center