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Spin-ice physics in cadmium cyanide

Author

Listed:
  • Chloe S. Coates

    (University of Oxford, Inorganic Chemistry Laboratory)

  • Mia Baise

    (University College London)

  • Adrian Schmutzler

    (University of Bayreuth)

  • Arkadiy Simonov

    (University of Oxford, Inorganic Chemistry Laboratory
    ETH Zurich)

  • Joshua W. Makepeace

    (University of Oxford, Inorganic Chemistry Laboratory
    University of Birmingham, Edgbaston)

  • Andrew G. Seel

    (University of Oxford, Inorganic Chemistry Laboratory
    University College London)

  • Ronald I. Smith

    (Harwell Campus)

  • Helen Y. Playford

    (Harwell Campus)

  • David A. Keen

    (Harwell Campus)

  • Renée Siegel

    (University of Bayreuth)

  • Jürgen Senker

    (University of Bayreuth)

  • Ben Slater

    (University College London)

  • Andrew L. Goodwin

    (University of Oxford, Inorganic Chemistry Laboratory)

Abstract

Spin-ices are frustrated magnets that support a particularly rich variety of emergent physics. Typically, it is the interplay of magnetic dipole interactions, spin anisotropy, and geometric frustration on the pyrochlore lattice that drives spin-ice formation. The relevant physics occurs at temperatures commensurate with the magnetic interaction strength, which for most systems is 1–5 K. Here, we show that non-magnetic cadmium cyanide, Cd(CN)2, exhibits analogous behaviour to magnetic spin-ices, but does so on a temperature scale that is nearly two orders of magnitude greater. The electric dipole moments of cyanide ions in Cd(CN)2 assume the role of magnetic pseudospins, with the difference in energy scale reflecting the increased strength of electric vs magnetic dipolar interactions. As a result, spin-ice physics influences the structural behaviour of Cd(CN)2 even at room temperature.

Suggested Citation

  • Chloe S. Coates & Mia Baise & Adrian Schmutzler & Arkadiy Simonov & Joshua W. Makepeace & Andrew G. Seel & Ronald I. Smith & Helen Y. Playford & David A. Keen & Renée Siegel & Jürgen Senker & Ben Slat, 2021. "Spin-ice physics in cadmium cyanide," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-22515-3
    DOI: 10.1038/s41467-021-22515-3
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    Cited by:

    1. Nikolaj Roth & Andrew L. Goodwin, 2023. "Tuning electronic and phononic states with hidden order in disordered crystals," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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