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

Collison, David, Oganesyan, Vasily S. ORCID: https://orcid.org/0000-0002-8738-1146, 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: 23 Oct 2022 02:36
URI: https://ueaeprints.uea.ac.uk/id/eprint/80436
DOI: 10.1021/ja029003x

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