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IOP Publishing, Journal of Physics: Conference Series, 2(200), p. 022022, 2010

DOI: 10.1088/1742-6596/200/2/022022

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Antiferromagnetic interactions in a distorted cubane-type tetranuclear manganese cluster

Journal article published in 2010 by E. Kampert ORCID, J. C. Russcher, D. W. Boukhvalov, F. F. B. J. Janssen, J. M. M. Smits, De R. Gelder ORCID, R. de Gelder, De B. Bruin, B. de Bruin, P. C. M. Christianen, A. E. Rowan, M. I. Katsnelson, J. C. Maan, U. Zeitler
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

We have synthesized a new tetranuclear manganese cluster with a distorted cubane-like [Mn4O4]-core. High field magnetization experiments reveal an intramolecular antiferromagnetic coupling between the four manganese ions. We explain our results both qualitatively and quantitatively by a simple spin square model in terms of four equal antiferromagnetic exchange interactions in the core with coupling strengths of J = -1.69 K.