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Showing 1–4 of 4 results
Advanced filters: Author: G. A. Timco Clear advanced filters

  • Molecular magnets are among the smallest structures that may be exploited for quantum information processing. Here, Guidi et al. use polarized neutron scattering to observe finite size effects and a noncollinear spin arrangement in a Cr8Cd ring molecule, an even-numbered open antiferromagnetic spin-3/2 chain.

    • T. Guidi
    • B. Gillon
    • R. E. P. Winpenny
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-6

  • The ability to assemble weakly-interacting subsystems is a prerequisite for implementing quantum-information processing. In recent years, molecular nanomagnets have been proposed as suitable candidates for qubit encoding and manipulation, with antiferromagnetic Cr7Ni rings of particular interest. It has now been shown that such rings can be chemically linked to each other and the coupling between their spins tuned through the choice of chemical linker.

    • Grigore A. Timco
    • Stefano Carretta
    • Richard E. P. Winpenny
    Research
    Nature Nanotechnology
    Volume: 4, P: 173-178

  • Showing the presence of quantum entanglement in a system means it is beyond a classical description, but this is difficult to do experimentally. Here, the authors show how four-dimensional inelastic neutron scattering can quantify entanglement, demonstrating the method on a supramolecular dimer.

    • E. Garlatti
    • T. Guidi
    • S. Carretta
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-7

  • Rotaxanes, in which ring-shaped subunits encircle the 'axles' of molecular dumb-bells, have been mooted as possible components of molecular machines. To date, most rotaxanes are organic, but David Leigh and colleagues now report hybrid rotaxanes, which are expected to offer a far wider range of useful physical properties to molecular engineers than purely organic rotaxanes.

    • Chin-Fa Lee
    • David A. Leigh
    • Richard E. P. Winpenny
    Research
    Nature
    Volume: 458, P: 314-318