Antiferromagnetic resonance of KMnF3 in strong magnetic fields
A. G. AndersPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSRA. I. ZvyaginPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSRM. I. KobetsPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSRYu. V. PereverzevPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSRA. I. PetutinPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR
ABI
Abstract
A study was made of antiferromagnetic resonance of KMnF3 in strong magnetic fields. The temperature dependence of the weakly dispersed branches of the antiferromagnetic resonance spectrum due to the Dzyaloshinskii interaction was measured. It has been demonstrated that, with the antiferromagnetic resonance in a strong magnetic field explored, it is possible to more reliably determine the parameters of the Hamiltonian which describes the spectrum of such a resonance.
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