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Quantum tunnelling of the magnetization in a monolayer of oriented single-molecule magnets

Author

Listed:
  • M. Mannini

    (University of Florence, 50019 Sesto Fiorentino, Italy
    ISTM-CNR, URT Firenze, University of Florence)

  • F. Pineider

    (University of Florence, 50019 Sesto Fiorentino, Italy)

  • C. Danieli

    (University of Modena and Reggio Emilia, 41100 Modena, Italy)

  • F. Totti

    (University of Florence, 50019 Sesto Fiorentino, Italy)

  • L. Sorace

    (University of Florence, 50019 Sesto Fiorentino, Italy)

  • Ph. Sainctavit

    (Institut de Minéralogie et de Physique des Milieux Condensés, CNRS UMR7590, Université Pierre et Marie Curie, 75252 Paris, France)

  • M.-A. Arrio

    (Institut de Minéralogie et de Physique des Milieux Condensés, CNRS UMR7590, Université Pierre et Marie Curie, 75252 Paris, France)

  • E. Otero

    (Synchrotron Soleil, Saint Aubin, 91192 Gif sur Yvette, France)

  • L. Joly

    (Swiss Light Source, Paul Scherrer Institut, 5232 Villigen, Switzerland
    Present address: IPCMS – DMONS, 67034 Strasbourg, France.)

  • J. C. Cezar

    (European Synchrotron Radiation Facility, 38043 Grenoble, France)

  • A. Cornia

    (University of Modena and Reggio Emilia, 41100 Modena, Italy)

  • R. Sessoli

    (University of Florence, 50019 Sesto Fiorentino, Italy)

Abstract

Quantum spin in single molecule magnets Single-molecule magnets are molecular complexes with magnetic bistability that may be exploited in information storage applications. Recently it was shown that such a molecular magnetic memory effect is retained for Fe4 clusters when they are wired to a gold surface. Mannini et al. have now tailored the clusters so that they have a preferential orientation and form a self-assembled monolayer on the surface. As a result, it becomes possible to observe a striking effect of single-molecule magnets — quantum tunnelling of the magnetization, which shows up as steps in the magnetic hysteresis loop. This approach may be of use for the design of practical thin-film molecular spintronic devices.

Suggested Citation

  • M. Mannini & F. Pineider & C. Danieli & F. Totti & L. Sorace & Ph. Sainctavit & M.-A. Arrio & E. Otero & L. Joly & J. C. Cezar & A. Cornia & R. Sessoli, 2010. "Quantum tunnelling of the magnetization in a monolayer of oriented single-molecule magnets," Nature, Nature, vol. 468(7322), pages 417-421, November.
    • Handle: RePEc:nat:nature:v:468:y:2010:i:7322:d:10.1038_nature09478
    DOI: 10.1038/nature09478
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    Cited by:

    1. Yu-Xia Wang & Dan Su & Yinina Ma & Young Sun & Peng Cheng, 2023. "Electrical detection and modulation of magnetism in a Dy-based ferroelectric single-molecule magnet," Nature Communications, Nature, vol. 14(1), pages 1-9, December.

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