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Vibron-assisted spin excitation in a magnetically anisotropic molecule

Author

Listed:
  • N. Bachellier

    (Université de Strasbourg, CNRS, IPCMS)

  • B. Verlhac

    (Université de Strasbourg, CNRS, IPCMS)

  • L. Garnier

    (Université de Strasbourg, CNRS, IPCMS)

  • J. Zaldívar

    (CIC nanoGUNE)

  • C. Rubio-Verdú

    (CIC nanoGUNE)

  • P. Abufager

    (Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) and Universidad Nacional de Rosario)

  • M. Ormaza

    (Université de Strasbourg, CNRS, IPCMS
    Universidad del País Vasco, Dpto. Física Aplicada I)

  • D.-J. Choi

    (Centro de Física de Materiales (CFM MPC) CSIC-EHU
    Ikerbasque, Basque Foundation for Science)

  • M.-L. Bocquet

    (PSL University, Sorbonne Universités, CNRS)

  • J. I. Pascual

    (CIC nanoGUNE
    Ikerbasque, Basque Foundation for Science)

  • N. Lorente

    (Centro de Física de Materiales (CFM MPC) CSIC-EHU
    Donostia International Physics Center (DIPC))

  • L. Limot

    (Université de Strasbourg, CNRS, IPCMS)

Abstract

The electrical control and readout of molecular spin states are key for high-density storage. Expectations are that electrically-driven spin and vibrational excitations in a molecule should give rise to new conductance features in the presence of magnetic anisotropy, offering alternative routes to study and, ultimately, manipulate molecular magnetism. Here, we use inelastic electron tunneling spectroscopy to promote and detect the excited spin states of a prototypical molecule with magnetic anisotropy. We demonstrate the existence of a vibron-assisted spin excitation that can exceed in energy and in amplitude a simple excitation among spin states. This excitation, which can be quenched by structural changes in the magnetic molecule, is explained using first-principles calculations that include dynamical electronic correlations.

Suggested Citation

  • N. Bachellier & B. Verlhac & L. Garnier & J. Zaldívar & C. Rubio-Verdú & P. Abufager & M. Ormaza & D.-J. Choi & M.-L. Bocquet & J. I. Pascual & N. Lorente & L. Limot, 2020. "Vibron-assisted spin excitation in a magnetically anisotropic molecule," Nature Communications, Nature, vol. 11(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-15266-0
    DOI: 10.1038/s41467-020-15266-0
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