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- Title
Photocontrolled magnetic resonance plasticity of γ-irradiated KCl:Fe crystals.
- Authors
Morgunov, R. B.
- Abstract
photocontrolled resonance decrease in microhardness, which is due to the application of mutually perpendicular static and microwave fields, in γ-irradiated KCl:Fe crystals has been revealed. It has been found that the magnetic plasticity of unirradiated γ-KCl:Fe crystals is due to the resonance effect of magnetic fields on two types of impurity centers: first, centers containing Fe-ν ion-vacancy pairs and, second, centers containing Fe ions. The illumination of γ-KCl:Fe crystals with F-light (with a wavelength of λ = 500-600 nm) is accompanied by rearrangement of the spectrum of electron paramagnetic resonance detected by a change in microhardness. The effect of F-light on the spectrum of magnetic resonance plasticity is manifested as the suppression of the spectra of Fe-ν ions with effective g-factors of 7.0 and 3.5 due to their recombination with F-electrons and reconstruction to Fe centers with g-factors of 2.2 and 4.1.
- Subjects
MICROWAVES; MAGNETIC fields; MICROHARDNESS; ELECTRON paramagnetic resonance; MIXED crystals
- Publication
JETP Letters, 2010, Vol 92, Issue 3, p156
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S0021364010150075