Unusual behavior of the magnetic resonance frequencies of HoFeO3 in the spin-flip region
Balbashov A. M., Kozlov G. V., Lebedev S. P., Mukhin A. A., Pronin A. Yu., Prokhorov A. S., Prokhorov A. M.
Two antiferromagnetic resonance modes have been found in the spectra of HoFe03 measured over the frequency range 2 < ν < 30 cm"1. The temperature dependence of the antiferromagnetic-resonance frequencies in the spin-flip region differs from that observed in other rare-earth orthoferrites. The difference is attributed to a strong interaction of the magnetic excitations in the iron and holmium subsystems in HoFe03.
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![](/ps/1399/article_21227_800_head.png "Two antiferromagnetic resonance modes have been found in the spectra of HoFe0<sub>3</sub> measured over the frequency range 2 < ν < 30 cm"<sup>1</sup>. The temperature dependence of the antiferromagnetic-resonance frequencies in the spin-flip region differs from that observed in other rare-earth orthoferrites. The difference is attributed to a strong interaction of the magnetic excitations in the iron and holmium subsystems in HoFe0<sub>3</sub>.")