Condensed Matter > Materials Science
[Submitted on 14 Sep 2013 (v1), last revised 20 Nov 2013 (this version, v2)]
Title:Inelastic neutron scattering studies of YFeO$_3$
View PDFAbstract:Spin waves in the the rare earth orthorferrite YFeO$_3$ have been studied by inelastic neutron scattering and analyzed with a full four-sublattice model including contributions from both the weak ferromagnetic and hidden antiferromagnetic orders. Antiferromagnetic (AFM) exchange interactions of $J_1 = -4.23 \pm 0.08$ (nearest-neighbors only) or $J_1 = -4.77 \pm 0.08$ meV and $J_2 = -0.21 \pm 0.04$ meV lead to excellent fits for most branches at both low and high energies. An additional branch associated with the hidden antiferromagnetic order was observed. This work paves the way for studies of other materials in this class containing spin reorientation transitions and magnetic rare earth ions.
Submission history
From: Steven Hahn [view email][v1] Sat, 14 Sep 2013 16:27:24 UTC (1,598 KB)
[v2] Wed, 20 Nov 2013 20:33:33 UTC (2,308 KB)
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