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Detection of magnetic circular dichroism using a transmission electron microscope

Author

Listed:
  • P. Schattschneider

    (Service Centre for Transmission Electron Microscopy, Wiedner Hauptstraße 8-10/052, and Institut für Festkörperphysik, Wiedner Hauptstraße 8-10/138, Technische Universität Wien)

  • S. Rubino

    (Service Centre for Transmission Electron Microscopy, Wiedner Hauptstraße 8-10/052, and Institut für Festkörperphysik, Wiedner Hauptstraße 8-10/138, Technische Universität Wien)

  • C. Hébert

    (Service Centre for Transmission Electron Microscopy, Wiedner Hauptstraße 8-10/052, and Institut für Festkörperphysik, Wiedner Hauptstraße 8-10/138, Technische Universität Wien)

  • J. Rusz

    (Institute of Physics ASCR)

  • J. Kuneš

    (Institute of Physics ASCR)

  • P. Novák

    (Institute of Physics ASCR)

  • E. Carlino

    (TASC INFM-CNR National Laboratory, Area Science Park, S.S.14, Km 163.5)

  • M. Fabrizioli

    (TASC INFM-CNR National Laboratory, Area Science Park, S.S.14, Km 163.5
    Università degli Studi di Trieste)

  • G. Panaccione

    (TASC INFM-CNR National Laboratory, Area Science Park, S.S.14, Km 163.5)

  • G. Rossi

    (TASC INFM-CNR National Laboratory, Area Science Park, S.S.14, Km 163.5
    Dipartimento di Fisica dell'Università di Modena e Reggio Emilia–I-41100)

Abstract

EM with a twist The electron microscope, already a powerful research instrument, could become even more powerful following the discovery that magnetic circular dichroism can be detected with a conventional transmission electron microscope. Materials display magnetic circular dichroism if the absorption of left and right circularly polarized light differs in the presence of an applied magnetic field. Application of this effect using synchrotron X-ray photons is a powerful tool for the investigation of magnetic phenomena. The new technique — EMCD or energy loss magnetic chiral dichroism — exploits the similarities between X-ray absorption and inelastic electron scattering to give a TEM capabilities normally associated with expensive synchrotrons. EMCD could be useful in many fields including spintronics and nanomagnetism.

Suggested Citation

  • P. Schattschneider & S. Rubino & C. Hébert & J. Rusz & J. Kuneš & P. Novák & E. Carlino & M. Fabrizioli & G. Panaccione & G. Rossi, 2006. "Detection of magnetic circular dichroism using a transmission electron microscope," Nature, Nature, vol. 441(7092), pages 486-488, May.
    • Handle: RePEc:nat:nature:v:441:y:2006:i:7092:d:10.1038_nature04778
    DOI: 10.1038/nature04778
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    Cited by:

    1. Kun Xu & Ting Lin & Yiheng Rao & Ziqiang Wang & Qinghui Yang & Huaiwu Zhang & Jing Zhu, 2022. "Direct investigation of the atomic structure and decreased magnetism of antiphase boundaries in garnet," Nature Communications, Nature, vol. 13(1), pages 1-10, December.

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