title: Single molecule magnet behaviour in a {Dy4P2} octahedron.
abstract: Two new tetrametallic lanthanide-phosphonate complexes have been structurally and magnetically characterised. The {Dy4} complex is a single molecule magnet.
authors.affiliation: School of Chemistry, The University of Manchester, Oxford Road, Manchester M13 9PL, UK. richard.winpenny@manchester.ac.uk.
authors.forename: Karzan H
authors.initials: KH
authors.lastname: Zangana
authors.forename: Eufemio
authors.initials: E
authors.lastname: Moreno Pineda
authors.forename: Richard E P
authors.initials: RE
authors.lastname: Winpenny