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A search for magnetism in the cluster compound Nb$_6$F$_15$

TitleA search for magnetism in the cluster compound Nb$_6$F$_15$
Publication TypeJournal Article
Year of Publication2009
AuthorsMacFarlane, WA, Schick-Martin, D, Egilmez, M, Fan, I, Song, Q, Chow, KH, Cordier, S, Perrin, C, Goren, SD
JournalPhysica B: Condensed Matter
Pagination622 - 625

We report zero and longitudinal field studies seeking evidence of magnetism at low temperature in the cluster compound Nb 6 F 15 , which consists of a cubic lattice of Nb 6 octahedra with a single unpaired electron per octahedron. We find characteristic F μ F oscillations, but they exhibit no perturbation (e.g. due to magnetic ordering) down to 3 K. The implications are discussed in comparison with results from \{NMR\} and other techniques, where evidence of antiferromagnetism has been found at low temperature.