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Antiferromagnetism of type II in nonstoichiometric YbP

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Zeitschrift für Physik B Condensed Matter

Abstract

A polycrystalline smaple of nonstoichiometric ytterbium phosphide, YbP0.84, was investigated by neutron scattering, Mössbauer spectroscopy and bulk magnetic measurements. Neutron diffraction experiments prove the existence of antiferromagnetic type II ordering belowT N =0.64 K, in contrast to the observed antiferromagnetic type III ordering in the stoichiometric Kondo-like compounds YbN and YbAs. The temperature dependence of the average ordered magnetic moment per Yb3+ ion with saturation value μYb = 1.03(7)μ B is similar to that of YbN. Mössbauer experiments prove the magnetic phase transition to be first order with different regions in the sample having slightly different transition temperatures. By means of inelastic neutron scattering the crystal-field level scheme was established to beГ 6Г 8(19meV) −Г 7(43meV).

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Dönni, A., Fischer, P., Furrer, A. et al. Antiferromagnetism of type II in nonstoichiometric YbP. Z. Physik B - Condensed Matter 81, 83–88 (1990). https://doi.org/10.1007/BF01454217

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  • DOI: https://doi.org/10.1007/BF01454217

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