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Molecular thin films: a new type of magnetic switch

Research output: Contribution to Journal/MagazineJournal articlepeer-review

  • Sandrine Heutz
  • Chiranjib Mitra
  • Wei Wu
  • Andrew J. Fisher
  • Andrew Kerridge
  • Marshall Stoneham
  • Tony H. Harker
  • Julie Gardener
  • Hsiang-Han Tseng
  • Tim S. Jones
  • Christoph Renner
  • Gabriel Aeppli
<mark>Journal publication date</mark>5/11/2007
<mark>Journal</mark>Advanced Materials
Issue number21
Number of pages5
Pages (from-to)3618-3622
Publication StatusPublished
<mark>Original language</mark>English


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.