Abstract
Photoinduced changes of the magnetic resonance in the crystals FeBO3 and FeBO3: Ho are investigated. It is found that the largest changes of magnetic resonance parameters under laser irradiation λ = 1.064 μm are observed at helium temperatures. For both the crystals the temperature dependences of resonance field before and after irradiation coincide at T ≧ 170 K. The results obtained can be understood in supposition of a photoinduced change of the magnetic crystallographic anisotropy in the basal plane. [Russian Text Ignored]
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