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Magnetic imaging at the atomic level

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Zeitschrift für Physik B Condensed Matter

Abstract

Magnetic contrast at the atomic level has been observed for the first time in scanning tunneling microscopy experiments on a magnetite (Fe3O4(001)) surface using in-situ prepared ferromagnetic Fe tips. A periodic corrugation with a 12 Å periodicity is clearly observed along the rows of FeB-sites which corresponds to the repeat period of Fe2+ and Fe3+ along these rows. This periodicity is not observed by using non-magneticW tips although the rows of FeB-sites can be resolved as well. The magnetic contrast observed with Fe tips is attributed to the different spin configurations of the magnetic ions Fe2+ and Fe3+ in Fe3O4.

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References

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Authors and Affiliations

  1. Department of Physics, University of Basel, Klingelbergstrasse 82, CH-4056, Basel, Switzerland

    R. Wiesendanger, I. V. Shvets, D. Bürgler, G. Tarrach & H. -J. Güntherodt

  2. Department of Pure and Applied Physics, Trinity College, Dublin-2, Ireland

    I. V. Shvets & J. M. D. Coey

Authors
  1. R. Wiesendanger
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  2. I. V. Shvets
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  3. D. Bürgler
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  4. G. Tarrach
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  5. H. -J. Güntherodt
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  6. J. M. D. Coey
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Wiesendanger, R., Shvets, I.V., Bürgler, D. et al. Magnetic imaging at the atomic level. Z. Physik B - Condensed Matter 86, 1–2 (1992). https://doi.org/10.1007/BF01323538

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  • DOI: https://doi.org/10.1007/BF01323538

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