Low-energy spin dynamics of orthoferrites AFeO${}_3$ (A = Y, La, Bi)

Abstract

YFeO${}_3$ and LaFeO${}_3$ are members of the rare-earth orthoferrites family with \textit{Pbnm} space group. Using inelastic neutron scattering, the low-energy spin excitations have been measured around magnetic Brillouin zone center. Splitting of magnon branches and non-zero magnon gap is observed for both compounds, which is similar to the behavior observed in multiferroic BiFeO${}_3$. Spin wave calculations which include both Dzyaloshinsky-Moriya interactions and single-ion anisotropy in the spin-Hamiltonian comprehensively accounts for all the experimentally observed features. Our results offer insight into the unifying physics underlying the Fe${}^{3+}$-based perovskites as well as their distinguishing characteristics.

arXiv comment7 pages, 4 figures

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Cited by in corpus (12)

• Anisotropic long-range spin transport in canted antiferromagnetic orthoferrite YFeO${}_3$
• Decoupled spin dynamics in the rare-earth orthoferrite YbFeO${}_3$: Evolution of magnetic excitations through the spin-reorientation transition
• Low-energy spin dynamics in rare-earth perovskite oxides
• Structure-property relationships for weak-ferromagnetic perovskites
• Evaluating SCAN and r${}^2$SCAN meta-GGA functionals for predicting transition temperatures in antiferromagnetic materials
• Low temperature Terahertz Spectroscopy of LaFeO${}_3$, PrFeO${}_3$, ErFeO${}_3$, and LuFeO${}_3$: Quasimagnon resonances and ground multiplet transitions
• Spin Quenching and Transport by Hidden Dzyaloshinskii-Moriya Interactions
• Simple Realistic Model of Spin Reorientation in 4f-3d Compounds
• Probing magnetic anisotropy and spin-reorientation transition in 3D antiferromagnet, Ho${}_{0.5}$Dy${}_{0.5}$FeO${}_3|$Pt using spin Hall magnetoresistance
• Topological transverse spin transport in a canted antiferromagnet/heavy metal heterostructure
• Magnetostructural Coupling at the Néel point in YNiO3 Single Crystals
• Magnetic excitation spectrum and hierarchy of magnetic interactions in ErFeO3