Magnetic characterisation of mixed-cation low-dimensional chain structures
Schafarzikite (FeSb2O4) is tetragonal with 1-D chains of FeO6 octahedra along [001]. We have previously shown that mixed Fe/Co cations within the chains lead to a change in magnetically ordered structure, consistent with the FeSb2O4 and CoSb2O4 parent phases. This experiment plans to determine the nuclear and magnetic structures of mixed Mn/Co analogues. Here, the strong spin-orbit coupling and magnetic interactions of Co are expected to dominate those of Mn, leading to a fundamentally different groundstate even for low cobalt content. Associated with this is the effect of Co on the antiferromagnetic transition, which is very gradual in MnSb2O4 but sharp in CoSb2O4.
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GREAVES Colin; CUMBY James and RITTER Clemens. (2013). Magnetic characterisation of mixed-cation low-dimensional chain structures. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-31-2266
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