Abstract
A theoretical study of the interrelation of the crystal structure, charge, orbital, and magnetic subsystems in R1 – xAxMnO3 charge-ordered manganites has been carried out (where R3+ is the rare earth ion, A2+ is the alkaline earth metal ion, x = 0.5, 2/3). The model of orbital-dependent exchange interactions and single-ion anisotropy is used. The presence of quasi-low-dimensional magnetic structures is exhibited. The spin waves spectra and antiferromagnetic resonance spectra are calculated.
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FUNDING
The work was supported by the Government of the Russian Federation, Act no. 211, contract no. 02.A03.21.0006.
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Translated by G. Dedkov
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Gonchar, L.E. Orbital Ordering Effect on Magnetic Resonance Spectra in Charge-Ordered and Frustrated Manganites. Phys. Solid State 61, 728–734 (2019). https://doi.org/10.1134/S1063783419050093
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DOI: https://doi.org/10.1134/S1063783419050093