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Spin doping using transition metal phthalocyanine molecules

Author

Listed:
  • A. Atxabal

    (CIC nanoGUNE)

  • M. Ribeiro

    (CIC nanoGUNE)

  • S. Parui

    (CIC nanoGUNE)

  • L. Urreta

    (CIC nanoGUNE)

  • E. Sagasta

    (CIC nanoGUNE)

  • X. Sun

    (CIC nanoGUNE
    CAS Center for Excellence in Nanoscience, Key Laboratory of Nanosystem and Hierarchical Fabrication, National Center for Nanoscience and Technology)

  • R. Llopis

    (CIC nanoGUNE)

  • F. Casanova

    (CIC nanoGUNE
    IKERBASQUE, Basque Foundation for Science)

  • L. E. Hueso

    (CIC nanoGUNE
    IKERBASQUE, Basque Foundation for Science)

Abstract

Molecular spins have become key enablers for exploring magnetic interactions, quantum information processes and many-body effects in metals. Metal-organic molecules, in particular, let the spin state of the core metal ion to be modified according to its organic environment, allowing localized magnetic moments to emerge as functional entities with radically different properties from its simple atomic counterparts. Here, using and preserving the integrity of transition metal phthalocyanine high-spin complexes, we demonstrate the magnetic doping of gold thin films, effectively creating a new ground state. We demonstrate it by electrical transport measurements that are sensitive to the scattering of itinerant electrons with magnetic impurities, such as Kondo effect and weak antilocalization. Our work expands in a simple and powerful way the classes of materials that can be used as magnetic dopants, opening a new channel to couple the wide range of molecular properties with spin phenomena at a functional scale.

Suggested Citation

  • A. Atxabal & M. Ribeiro & S. Parui & L. Urreta & E. Sagasta & X. Sun & R. Llopis & F. Casanova & L. E. Hueso, 2016. "Spin doping using transition metal phthalocyanine molecules," Nature Communications, Nature, vol. 7(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms13751
    DOI: 10.1038/ncomms13751
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