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Nuclear magnetism of two dimensional solid3He

  • Plenary and Invited Papers
  • Quantum Fluids and Solids
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Czechoslovak Journal of Physics Aims and scope

Abstract

The properties of two dimensional frustrated magnets have been studied in an investigation of the nuclear magnetism of two dimensional solid3He. The results of recent heat capacity and NMR measurements on3He films adsorbed on graphite are reported. The coverage dependence reveals both antiferromagnetic and ferromagnetic régimes and their description in terms of Heisenberg series expansions is discussed. There is clear evidence of frustration by multiple spin exchange, with no magnetic phase transition. 2D3He currently provides the best model system for the study of S=1/2 quantum antiferromagnetism on a triangular lattice. There is evidence that the frustration can be tuned, and hence the ground state order.

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Author notes

  1. Jan Nyéki

    Present address: Institute of Experimental Physics, Slovak Academy of Sciences, Kosice

Authors and Affiliations

  1. Department of Physics, Royal Holloway University of London, TW20 0EX, Egham, UK

    Marcio Siqueira, Jan Nyéki, Brian Cowan & John Saunders

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  1. Marcio Siqueira
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  2. Jan Nyéki
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  4. John Saunders
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Correspondence to John Saunders.

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Siqueira, M., Nyéki, J., Cowan, B. et al. Nuclear magnetism of two dimensional solid3He. Czech J Phys 46 (Suppl 6), 3033–3042 (1996). https://doi.org/10.1007/BF02548107

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