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Figure 7
Dispersion of the antiferromagnet MnF2 along (H00) measured on the TAS-like instrument CAMEA (PSI) at 10 K. The black error bars are constant-Q cuts fitted with a Gaussian line shape to find the mode position. Equation (3)[link] is fitted to the error bars in the dashed range (in orange) to find the spin-wave velocity, a = 14.89 ± 0.02 meV Å−1. The parabola approximation [equation (2)[link]] is plotted in dark green.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 59| Part 3| June 2026| Pages 783-798
https://doi.org/10.1107/S1600576726002049
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