Nature Communications (Jul 2018)

Collective magnetism in an artificial 2D XY spin system

  • Naëmi Leo,
  • Stefan Holenstein,
  • Dominik Schildknecht,
  • Oles Sendetskyi,
  • Hubertus Luetkens,
  • Peter M. Derlet,
  • Valerio Scagnoli,
  • Diane Lançon,
  • José R. L. Mardegan,
  • Thomas Prokscha,
  • Andreas Suter,
  • Zaher Salman,
  • Stephen Lee,
  • Laura J. Heyderman

DOI
https://doi.org/10.1038/s41467-018-05216-2
Journal volume & issue
Vol. 9, no. 1
pp. 1 – 8

Abstract

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Magnetic metamaterials can be designed to provide models of frustrated systems that allow theoretical predictions to be experimentally tested. Here the authors realise a 2D XY model with dipolar interactions and find behaviour consistent with predictions of a low-temperature ordered state.