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Atomic resolution electron microscopy in a magnetic field free environment

Author

Listed:
  • N. Shibata

    (The University of Tokyo
    Japan Fine Ceramic Center, Atsuta)

  • Y. Kohno

    (JEOL Ltd.)

  • A. Nakamura

    (JEOL Ltd.)

  • S. Morishita

    (JEOL Ltd.)

  • T. Seki

    (The University of Tokyo)

  • A. Kumamoto

    (The University of Tokyo)

  • H. Sawada

    (JEOL Ltd.)

  • T. Matsumoto

    (The University of Tokyo)

  • S. D. Findlay

    (Monash University)

  • Y. Ikuhara

    (The University of Tokyo
    Japan Fine Ceramic Center, Atsuta)

Abstract

Atomic-resolution electron microscopes utilize high-power magnetic lenses to produce magnified images of the atomic details of matter. Doing so involves placing samples inside the magnetic objective lens, where magnetic fields of up to a few tesla are always exerted. This can largely alter, or even destroy, the magnetic and physical structures of interest. Here, we describe a newly developed magnetic objective lens system that realizes a magnetic field free environment at the sample position. Combined with a higher-order aberration corrector, we achieve direct, atom-resolved imaging with sub-Å spatial resolution with a residual magnetic field of less than 0.2 mT at the sample position. This capability enables direct atom-resolved imaging of magnetic materials such as silicon steels. Removing the need to subject samples to high magnetic field environments enables a new stage in atomic resolution electron microscopy that realizes direct, atomic-level observation of samples without unwanted high magnetic field effects.

Suggested Citation

  • N. Shibata & Y. Kohno & A. Nakamura & S. Morishita & T. Seki & A. Kumamoto & H. Sawada & T. Matsumoto & S. D. Findlay & Y. Ikuhara, 2019. "Atomic resolution electron microscopy in a magnetic field free environment," Nature Communications, Nature, vol. 10(1), pages 1-5, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-10281-2
    DOI: 10.1038/s41467-019-10281-2
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    Cited by:

    1. Takehito Seki & Toshihiro Futazuka & Nobusato Morishige & Ryo Matsubara & Yuichi Ikuhara & Naoya Shibata, 2023. "Incommensurate grain-boundary atomic structure," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
    2. R. Huber & F. Kern & D. D. Karnaushenko & E. Eisner & P. Lepucki & A. Thampi & A. Mirhajivarzaneh & C. Becker & T. Kang & S. Baunack & B. Büchner & D. Karnaushenko & O. G. Schmidt & A. Lubk, 2022. "Tailoring electron beams with high-frequency self-assembled magnetic charged particle micro optics," Nature Communications, Nature, vol. 13(1), pages 1-9, December.

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