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Pentametallic lanthanide-alkoxide square-based pyramids: high energy barrier for thermal relaxation in a holmium single molecule magnet.

Research paper by Robin J RJ Blagg, Floriana F Tuna, Eric J L EJ McInnes, Richard E P RE Winpenny

Indexed on: 02 Sep '11Published on: 02 Sep '11Published in: Chemical Communications



Abstract

Pentametallic Ln complexes of formula [Ln(5)O(O(i)Pr)(13)] have been made, where Ln(III) = Sm, Gd, Tb, Ho and Er; slow magnetisation relaxation to 33 K is observed for the Ho complex with an energy barrier of ca. 400 K.