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

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.

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2011-01, Vol.47 (38), p.10587-10589
Main Authors: Blagg, Robin J, Tuna, Floriana, McInnes, Eric J L, Winpenny, Richard E P
Format: Article
Language:English
Subjects:
Barriers
Energy of formation
Erbium
Holmium
Pyramids
Thermal relaxation
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Summary: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.
ISSN:1359-7345
1364-548X
DOI:10.1039/c1cc14186d