Temperature and hydrostatic-pressure dependence of antiferromagnetic resonance in CuCl2·2H2O in an inclined magnetic field
А. А. ГалкинDonets Physicotechnical Institute, Academy of Sciences of the Ukrainian SSR and Physicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSRV. A. PopovDonets Physicotechnical Institute, Academy of Sciences of the Ukrainian SSR and Physicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSRP. I. PolyakovDonets Physicotechnical Institute, Academy of Sciences of the Ukrainian SSR and Physicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSRV. G. SynkovDonets Physicotechnical Institute, Academy of Sciences of the Ukrainian SSR and Physicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR
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The dependence of the resonance properties of CuCl2·2H2O at low frequencies ν ≈ 0.7 to 4.9 GHz on hydrostatic pressure (ρ = 0 to 11.2 kbar) and temperature (T = 1.68 to 4.2°K) is investigated. Theory and experiment are compared. Values are obtained for the magentoelastic parameters governing the hydrostatic-pressure dependence of the exchange and relativistic parameters of antiferromagnets.
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