Abstract
La(FexAl1-x)13 pseudobinary intermetallic compounds, which can be stabilized for 0.46<x<0.92, have been studied by neutron diffraction and Mössbauer spectroscopy. Neutron measurements on an antiferromagnetic x=0.91 sample at 4.2 K reveal a long-range-order antiferromagnetic state, consisting of ferromagnetic clusters, coupled antiferromagnetically. Mössbauer-effect measurements show a drop of the hyperfine field at the Fe nucleus at the ferromagnetic-antiferromagnetic phase boundary x0.88. Both these microscopic measurements indicate a transition from -iron-like ferromagnetism to -iron-like antiferromagnetism due to the extremely high coordination of Fe atoms.
| Original language | English |
|---|---|
| Pages (from-to) | 169-173 |
| Number of pages | 5 |
| Journal | Physical Review B (Condensed Matter) |
| Volume | 34 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 1 Jan 1986 |
| Externally published | Yes |
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