Terahertz absorption spectroscopy study of spin waves in orthoferrite YFeO3 in a magnetic field

We measured absorption of THz radiation in YFeO3 single crystals at a temperature of 3 K in the magnetic field up to 17 T applied in all three crystallographic directions. Two spin-wave modes were observed at the Γ point with energies 1.2 meV (9.8 cm−1) and 2.4 meV (19.3 cm−1) in zero field. From th...

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Veröffentlicht in:	Physical review. B 2018-11, Vol.98 (17), p.174417
Hauptverfasser:	Amelin, K, Nagel, U, Fishman, R S, Yoshida, Y, Sim, Hasung, Park, Kisoo, Park, Je-Geun, Rõõm, T
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Sprache:	eng
Schlagworte:	Crystallography Dependence Magnetic fields Magnons Single crystals
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container_title	Physical review. B
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creator	Amelin, K Nagel, U Fishman, R S Yoshida, Y Sim, Hasung Park, Kisoo Park, Je-Geun Rõõm, T
description	We measured absorption of THz radiation in YFeO3 single crystals at a temperature of 3 K in the magnetic field up to 17 T applied in all three crystallographic directions. Two spin-wave modes were observed at the Γ point with energies 1.2 meV (9.8 cm−1) and 2.4 meV (19.3 cm−1) in zero field. From the magnetic-field dependence of mode energies, we have refined the previously proposed model [S. E. Hahn et al., Phys. Rev. B 89, 014420 (2014)] and quantified the parameters of Dzyaloshinskii-Moriya interactions and single-ion anisotropies.
doi_str_mv	10.1103/PhysRevB.98.174417
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title	Terahertz absorption spectroscopy study of spin waves in orthoferrite YFeO3 in a magnetic field
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