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. 2014 Feb 14;50(13):1602-4.
doi: 10.1039/c3cc48557a.

A sandwich complex with axial symmetry for harnessing the anisotropy in a prolate erbium(III) ion

Jennifer J Le Roy  1 , Ilia Korobkov, Muralee Murugesu
Affiliations

A sandwich complex with axial symmetry for harnessing the anisotropy in a prolate erbium(III) ion

Jennifer J Le Roy et al. Chem Commun (Camb). .

Abstract

A mononuclear Er(III) sandwich type complex, [Li(DME)3][Er(III)(COT")2], was isolated using 1,4-bis(trimethylsilyl)cyclooctatetraenyl dianion (COT"). Remarkably, this low-symmetry complex exhibits magnet-like behavior of magnetic remanence and coercivity in the hysteresis loops up to 8 K with an energy barrier (Ueff) of 187(1) K, thus making this molecule a unique single-ion magnet.

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