Strong ferromagnetic coupling in the K2NiF4-structured oxide La0.8Sr1.2Mn0.6Rh0.4O4
- 1 January 1999
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 19,p. 1977-1978
- https://doi.org/10.1039/a906543a
Abstract
Substitution of diamagnetic RhIII into the antiferromagnet LaSrMnO4 produces the first example of a K2NiF4 (n=1 Ruddlesden–Popper) oxide with strong ferromagnetic interactions—in 50 kG at 5 K the magnetisation of La0.8Sr1.2Mn0.6Rh0.4O4 is close to saturation at 2.50 µB per Mn cation; the bulk magnetisation stems from the alignment by the magnetic field of ferromagnetic (Mn/Rh)O2 sheets which are not magnetically ordered along [001] in zero applied field.Keywords
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