Molecular-based mixed valency ferrimagnets (XR4)FeIIFeIII(C2O4)3(X = N, P; R =,n-propyl, n-butyl, phenyl): anomalous negative magnetisation in the tetra-n-butylammonium derivative
- 1 January 1994
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 13,p. 1551-1552
- https://doi.org/10.1039/c39940001551
Abstract
The phases AFeIIFeIII(C2O4)3(A = NPrn 4; NBun 4; PPh4) have been synthesised and characterised chemically, structurally and magnetically; they behave as ferrimagnets, but the tetrabutylammonium salt shows a highly unusual negative magnetisation at low temperature.Keywords
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