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 (former - to 2024)
UEA Research Groups:	Faculty of Science > Research Groups > Centre for Photonics and Quantum Science
Related URLs:	http://www.scopus.com/inward/record.url?...
Depositing User:	LivePure Connector
Date Deposited:	08 Jul 2021 00:06
Last Modified:	25 Sep 2024 15:40
URI:	https://ueaeprints.uea.ac.uk/id/eprint/80436
DOI:	10.1021/ja029003x

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