Spin reorientation in HoIG investigated by means of faraday effect
M. BałandaInstitute of Nuclear Physics , CracowS. NiziołInstitute of Nuclear Physics and Techniques, Academy of Mining and Metallurgy , Cracow
ABI
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Abstract Faraday rotation measurements in pulsed magnetic fields up to 160 kOe and in low dc fields are carried out for Ho 3 Fe 5 O 12 near the compensation point. Transition to the canted phase is observed and the temperature dependence of the critical field determined. From the holmium sublattice magnetization and H cr versus. T gradient, values of the two molecular field coefficients are determined.
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