Optical determination of the single-ion zero-field splitting in large spin clusters

Collison, David, Oganesyan, Vasily S., Piligkos, Stergios, Thomson, Andrew J., Winpenny, Richard E. P. and McInnes, Eric J. L. (2003) Optical determination of the single-ion zero-field splitting in large spin clusters. Journal of the American Chemical Society, 125 (5). pp. 1168-1169. ISSN 0002-7863

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Abstract

The dodecametallic Cr(III) cluster has an S = 6 ground state with an axial zero-field splitting (ZFS) of DS=6 = +0.088 cm-1. Analysis of high-resolution optical data (MCD) allows us to determine the single-ion ZFS of the constituent Cr(III) ions directly (D = -1.035 cm-1). A vector coupling analysis demonstrates that the cluster ZFS is almost entirely single-ion in origin. Thus, the relative orientations of the local and cluster magnetic axes can lead to cluster ZFS of opposite sign to the single-ion even when this is the only significant contribution.

Item Type: Article
Uncontrolled Keywords: catalysis,chemistry(all),biochemistry,colloid and surface chemistry ,/dk/atira/pure/subjectarea/asjc/1500/1503
Faculty \ School: Faculty of Science > School of Chemistry
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Depositing User: LivePure Connector
Date Deposited: 08 Jul 2021 00:06
Last Modified: 08 Jul 2021 00:06
URI: https://ueaeprints.uea.ac.uk/id/eprint/80436
DOI: 10.1021/ja029003x

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