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Science 19 August 1994:
Vol. 265. no. 5175, pp. 1054 - 1058
DOI: 10.1126/science.265.5175.1054
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Articles

Large Clusters of Metal Ions: The Transition from Molecular to Bulk Magnets

Dante Gatteschi 1, Andrea Caneschi 1, Luca Pardi 2, and Roberta Sessoli 1

1 Department of Chemistry, University of Florence, Florence, Italy
2 Laboratoire L. Brillouin, CEN Saclay, 91191 Gif-sur-Yvette, France

Clusters of metal ions are a class of compounds actively investigated for their magnetic properties, which should gradually change from those of simple paramagnets to those of bulk magnets. However, their interest lies in a number of different disciplines: chemistry, which seeks new synthetic strategies to make larger and larger clusters in a controlled manner; physics, which can test the validity of quantum mechanical approaches at the nanometer scale; and biology, which can use them as models of biomineralization of magnetic particles.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)