A low-symmetry dysprosium metallocene single-molecule magnet with a high anisotropy barrier

Pugh, Thomas, Chilton, Nicholas F and Layfield, Richard A (2016) A low-symmetry dysprosium metallocene single-molecule magnet with a high anisotropy barrier. Angewandte Chemie International Edition, 55 (37). pp. 11082-11085. ISSN 1433-7851

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Abstract

The single-molecule magnet (SMM) properties of the isocarbonyl-ligated dysprosium metallocene [Cp*2Dy- {m-(OC)2FeCp}]2 (1Dy), which contains a rhombus-shaped Dy2Fe2 core, are described. Combining a strong axial [Cp*]¢ ligand field with a weak equatorial field consisting of the isocarbonyl ligands leads to an anisotropy barrier of 662 cm¢1 in zero applied field. The dominant thermal relaxation pathways in 1Dy involves at least the fourth-excited Kramers doublet, thus demonstrating that prominent SMM behavior can be observed for dysprosium in low-symmetry environments.

Item Type: Article
Schools and Departments: School of Life Sciences > Chemistry
Depositing User: Richard Layfield
Date Deposited: 23 Aug 2018 08:16
Last Modified: 01 Jul 2019 14:30
URI: http://sro.sussex.ac.uk/id/eprint/78161

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