Metamagnetic transitions in cubic La(FexAl1-x)13 intermetallic compounds

T.T.M. Palstra, H.G.C. Werij, G.J. Nieuwenhuys, J.A. Mydosh, F.R. de Boer, K.H.J. Buschow

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Abstract

Cubic NaZn13-type compounds of the form La(FexAl1-x)13 were stabilised with compositions between LaFe6Al7 and LaFe12Al1. For compositions above LaFe11.2Al1.8 (x = 0.861) a low-temperature antiferromagnetic state is present in small external fields. However. upon increasing the field to a few tesla, an exceedingly sharp spin-flip transition with remarkably large hysteresis occurs to the fully saturated ferromagnetic state. The origins of this unusual metamagnetic transition are discussed in terms of the special crystal structure.
Original languageEnglish
Number of pages6
JournalJournal of Physics F%3A Metal Physics
Volume14
Issue number8
DOIs
Publication statusPublished - 1984

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