Antiferromagnetic resonance in Nd2CuO4
V. A. BlinkinInstitute of Single Crystals, Ukrainian Academy of Sciences, KharkovYu. G. PashkevichPhysicotechnical Institute, Ukrainian Academy of Sciences, DonetskV. V. EremenkoB. I. Verkin Physicotechnical Institute of Low Temperatures, Ukrainian Academy of Sciences, KharkovS. A. ZvyaginB. I. Verkin Physicotechnical Institute of Low Temperatures, Ukrainian Academy of Sciences, KharkovV. V. PishkoB. I. Verkin Physicotechnical Institute of Low Temperatures, Ukrainian Academy of Sciences, Kharkov
ABI
Аннотация
The antiferromagnetic resonance in a “plane cross” four sublattice exchange-noncollinear structure is considered theoretically for different orientations of the magnetic field along the symmetry axes of the crystal and under different assumptions concerning the initial crystal symmetry and the intensities of exchange and relativistic interactions. The antiferromagnetic resonance spectra for possible types of behavior of the magnetic subsystem of copper ions in Nd2CuO4 are calculated and the fields of spin-reorientation transitions are presented. The results of calculations of the magnetic resonance spectrum are compared with the experimental data.
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