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Pressure induced enhancement of the magnetic ordering temperature in rhenium(IV) monomers

Author

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  • Christopher H. Woodall

    (EaStCHEM School of Chemistry and Centre for Science at Extreme Conditions, The University of Edinburgh
    School of Engineering and Centre for Science at Extreme Conditions, The University of Edinburgh)

  • Gavin A. Craig

    (WestCHEM School of Chemistry, University of Glasgow, University Avenue)

  • Alessandro Prescimone

    (EaStCHEM School of Chemistry and Centre for Science at Extreme Conditions, The University of Edinburgh)

  • Martin Misek

    (School of Physics and Centre for Science at Extreme Conditions, The University of Edinburgh)

  • Joan Cano

    (Departament de Química Inorgànica/Instituto de Ciencia Molecular (ICMol), Universitat de València
    Fundació General de la Universitat de València (FGUV), Universitat de València)

  • Juan Faus

    (Departament de Química Inorgànica/Instituto de Ciencia Molecular (ICMol), Universitat de València)

  • Michael R. Probert

    (School of Chemistry, Newcastle University)

  • Simon Parsons

    (EaStCHEM School of Chemistry and Centre for Science at Extreme Conditions, The University of Edinburgh)

  • Stephen Moggach

    (EaStCHEM School of Chemistry and Centre for Science at Extreme Conditions, The University of Edinburgh)

  • José Martínez-Lillo

    (EaStCHEM School of Chemistry and Centre for Science at Extreme Conditions, The University of Edinburgh
    Departament de Química Inorgànica/Instituto de Ciencia Molecular (ICMol), Universitat de València)

  • Mark Murrie

    (WestCHEM School of Chemistry, University of Glasgow, University Avenue)

  • Konstantin V. Kamenev

    (School of Engineering and Centre for Science at Extreme Conditions, The University of Edinburgh
    School of Physics and Centre for Science at Extreme Conditions, The University of Edinburgh)

  • Euan K. Brechin

    (EaStCHEM School of Chemistry and Centre for Science at Extreme Conditions, The University of Edinburgh)

Abstract

Materials that demonstrate long-range magnetic order are synonymous with information storage and the electronics industry, with the phenomenon commonly associated with metals, metal alloys or metal oxides and sulfides. A lesser known family of magnetically ordered complexes are the monometallic compounds of highly anisotropic d-block transition metals; the ‘transformation’ from isolated zero-dimensional molecule to ordered, spin-canted, three-dimensional lattice being the result of through-space interactions arising from the combination of large magnetic anisotropy and spin-delocalization from metal to ligand which induces important intermolecular contacts. Here we report the effect of pressure on two such mononuclear rhenium(IV) compounds that exhibit long-range magnetic order under ambient conditions via a spin canting mechanism, with Tc controlled by the strength of the intermolecular interactions. As these are determined by intermolecular distance, ‘squeezing’ the molecules closer together generates remarkable enhancements in ordering temperatures, with a linear dependence of Tc with pressure.

Suggested Citation

  • Christopher H. Woodall & Gavin A. Craig & Alessandro Prescimone & Martin Misek & Joan Cano & Juan Faus & Michael R. Probert & Simon Parsons & Stephen Moggach & José Martínez-Lillo & Mark Murrie & Kons, 2016. "Pressure induced enhancement of the magnetic ordering temperature in rhenium(IV) monomers," Nature Communications, Nature, vol. 7(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms13870
    DOI: 10.1038/ncomms13870
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