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The crystal and magnetic structures of LaCa 2 Fe 3 O 8 and NdCa 2 Fe 3 O 8

Hudspeth, Jessica; Goossens, Darren; Studer, Andrew J; Withers, Raymond; Noren, Lasse


The crystal and magnetic structures of LaCa2Fe3O 8 and NdCa2Fe3O8 have been established using a combination of x-ray, neutron and electron diffraction. It was already considered likely that LaCa2Fe3O8 and NdCa2Fe3O8 were made up of stacked perovskite-like layers of FeO6 octahedra, with every third layer being replaced by a layer of tetrahedrally coordinated Fe, rather like a variation on the Brownmillerite (Ca2Fe2O5) structure type. We have gone further and determined a likely space group for...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Journal of Physics: Condensed Matter
DOI: 10.1088/0953-8984/21/12/124206


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