Abstract
For the first time the 57Fe NMR spectrum of the nuclei in the domains of a YFeO 3 single crystal has been observed. The splitting of the lines by an external magnetic field allows a very exact determination of the spin orientation of the four Fe sublattices. The ferro- and antiferromagnetic canting angles in zero field are φ = 12.3 mrad and ψ = 14.0 mrad, respectively. The field-induced spin reorientation can be described using the model of antisymmetric exchange interaction including second- and fourth-order anisotropy constants.
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