Abstract
Neutron diffraction experiments performed for YbN in the temperature range from 7 mK to room temperature prove the existence of long-range f.c.c. antiferromagnetic ordering of type III belowT N =(0.790±0.005) K. The low ordered magnetic moment of Yb at saturation, μ=(0.39±0.05)μ> B , is presumably caused by Kondo hybridization. By means of inelastic neutron scattering the crystalfield level scheme was established to beΓ 6 −Γ 8(33 meV)−Γ 7(81 meV). TheΓ 6 −Γ 8 transition was found to be split into two lines which may be due to a bound state between the crystal-field excitation and phonons.
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Dönni, A., Fischer, P., Furrer, A. et al. F.c.c. type-III antiferromagnetism in YbN. Z. Physik B - Condensed Matter 80, 269–274 (1990). https://doi.org/10.1007/BF01357513
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DOI: https://doi.org/10.1007/BF01357513