Communication

Molecular Thin Films: A New Type of Magnetic Switch†

  1. S. Heutz1,2,
  2. C. Mitra2,
  3. W. Wu2,
  4. A. J. Fisher2,
  5. A. Kerridge2,4,
  6. M. Stoneham2,
  7. A.  H. Harker2,
  8. J. Gardener2,
  9. H.-H. Tseng3,
  10. T. S. Jones3,6,
  11. C. Renner2,5,
  12. G. Aeppli2

Article first published online: 2 OCT 2007

DOI: 10.1002/adma.200701458

Issue

Advanced Materials

Advanced Materials

Volume 19, Issue 21, pages 3618–3622, November, 2007

Additional Information

How to Cite

Heutz, S., Mitra, C., Wu, W., Fisher, A. J., Kerridge, A., Stoneham, M., Harker, A.  H., Gardener, J., Tseng, H.-H., Jones, T. S., Renner, C. and Aeppli, G. (2007), Molecular Thin Films: A New Type of Magnetic Switch. Adv. Mater., 19: 3618–3622. doi: 10.1002/adma.200701458

Author Information

  1. 1

    Department of Materials and London Centre for Nanotechnology, Imperial College London, London SW7 2AZ (UK)

  2. 2

    Department of Physics and Astronomy and London Centre for Nanotechnology, University College London, London WC1E 6BT (UK)

  3. 3

    Department of Chemistry and London Centre for Nanotechnology, Imperial College London, London SW7 2AZ (UK)

  4. 4

    Present address: Department of Chemistry, University College London, London WC1E 6BT, UK

  5. 5

    Present address: Department of Chemistry, University of Warwick, Coventry CV4 7AL, UK

  6. 6

    Present address: DPMC–MaNEP, University of Geneva, 24 Quai Ernest-Ansermet, 1211 Geneva 4, Switzerland

  1. †

    S.H. thanks the Royal Society for a Dorothy Hodgkin research fellowship. Financial support from the Research Council UK and the Engineering and Physical Sciences Research Council (EPSRC) Basic Technology grant “Putting the Quantum into Information Technology” and a Royal Society Wolfson Research Merit Award is gratefully acknowledged.

Publication History

  1. Issue published online: 5 NOV 2007
  2. Article first published online: 2 OCT 2007
  3. Manuscript Revised: 17 AUG 2007
  4. Manuscript Received: 18 JUN 2007

Funded by

  • Research Council UK
  • Engineering and Physical Sciences Research Council (EPSRC)
  • Royal Society Wolfson Research Merit Award

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Keywords:

  • Magnetic properties;
  • Modeling;
  • Phtalocyanines;
  • Spintronics;
  • Thin films
Thumbnail image of graphical abstract

The magnetic coupling of flexible metal phthalocyanine (MPc) thin films can be modified depending on the polymorphic form adopted by the crystals. A simple annealing procedure can switch the couplings from antiferromagnetic to ferromagnetic (MnPc) or paramagnetic (CuPc), opening up avenues for spintronic applications. Density functional and perturbation theories rationalize these trends and attribute the coupling mechanism to indirect exchange.

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