Metamagnetic transitions in cubic La(FexAl1-x)13intermetallic
- 1 August 1984
- journal article
- Published by IOP Publishing in Journal of Physics F: Metal Physics
- Vol. 14 (8), 1961-1966
- https://doi.org/10.1088/0305-4608/14/8/024
Abstract
Cubic NaZn13-type compounds of the form La(FexAl1-x)13 was stabilised with compositions between LaFe6Al7. 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.Keywords
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