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Direct measurement of dysprosium(III)˙˙˙dysprosium(III) interactions in a single-molecule magnet

Author

Listed:
  • Eufemio Moreno Pineda

    (School of Chemistry and Photon Science Institute, The University of Manchester)

  • Nicholas F. Chilton

    (School of Chemistry and Photon Science Institute, The University of Manchester)

  • Raphael Marx

    (Institut für Physikalische Chemie, Universität Stuttgart)

  • María Dörfel

    (Institut für Physikalische Chemie, Universität Stuttgart)

  • Daniel O. Sells

    (School of Chemistry and Photon Science Institute, The University of Manchester)

  • Petr Neugebauer

    (Institut für Physikalische Chemie, Universität Stuttgart)

  • Shang-Da Jiang

    (1. Physikalisches Institut, Universität Stuttgart)

  • David Collison

    (School of Chemistry and Photon Science Institute, The University of Manchester)

  • Joris van Slageren

    (Institut für Physikalische Chemie, Universität Stuttgart)

  • Eric J.L. McInnes

    (School of Chemistry and Photon Science Institute, The University of Manchester)

  • Richard E.P. Winpenny

    (School of Chemistry and Photon Science Institute, The University of Manchester)

Abstract

Lanthanide compounds show much higher energy barriers to magnetic relaxation than 3d-block compounds, and this has led to speculation that they could be used in molecular spintronic devices. Prototype molecular spin valves and molecular transistors have been reported, with remarkable experiments showing the influence of nuclear hyperfine coupling on transport properties. Modelling magnetic data measured on lanthanides is always complicated due to the strong spin–orbit coupling and subtle crystal field effects observed for the 4f-ions; this problem becomes still more challenging when interactions between lanthanide ions are also important. Such interactions have been shown to hinder and enhance magnetic relaxation in different examples, hence understanding their nature is vital. Here we are able to measure directly the interaction between two dysprosium(III) ions through multi-frequency electron paramagnetic resonance spectroscopy and other techniques, and explain how this influences the dynamic magnetic behaviour of the system.

Suggested Citation

  • Eufemio Moreno Pineda & Nicholas F. Chilton & Raphael Marx & María Dörfel & Daniel O. Sells & Petr Neugebauer & Shang-Da Jiang & David Collison & Joris van Slageren & Eric J.L. McInnes & Richard E.P. , 2014. "Direct measurement of dysprosium(III)˙˙˙dysprosium(III) interactions in a single-molecule magnet," Nature Communications, Nature, vol. 5(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms6243
    DOI: 10.1038/ncomms6243
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