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Molecular magnets

Lord of the rings

Magnets built of molecular rings of magnetic ions are fundamental model systems for studying the complex correlations and dynamics of quantum spins at the atomic scale. A new generation of neutron spectrometers can reveal complete four-dimensional maps of the spin correlations in spin rings.

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Figure 1: Schematic of the intensities measured by neutron TOF spectroscopy and the structure of the Cr8 molecular ring.

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Correspondence to Christian Rüegg.

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Rüegg, C. Lord of the rings. Nature Phys 8, 859–860 (2012). https://doi.org/10.1038/nphys2461

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