Enhancement of rare-earth--transition-metal exchange interaction in Pr2Fe17 probed by inelastic neutron scattering
N. Magnani, S. Carretta, G. Amoretti, L. Pareti, A. Paoluzi, R. Caciuffo, J. A. Stride
Abstract
The fundamental magnetic interactions of Pr2Fe17 are studied by inelastic neutron scattering and anisotropy field measurements. Data analysis confirms the presence of three magnetically inequivalent sites, and reveals an exceptionally large value of the exchange field. The unexpected importance of J-mixing effects in the description of the ground-state properties of Pr2Fe17 is evidenced, and possible applications of related compounds are envisaged.
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