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Duman E, Acet M, Wassermann EF, et al. Magnetic instabilities in Fe3C cementite particles observed with Fe K-edge x-ray circular dichroism under pressure. Phys Rev Lett. 2005;94(7):075502doi: 10.1103/PhysRevLett.94.075502.
Duman, E., Acet, M., Wassermann, E. F., Itié, J. P., Baudelet, F., Mathon, O., & Pascarelli, S. (2005). Magnetic instabilities in Fe3C cementite particles observed with Fe K-edge x-ray circular dichroism under pressure. Physical review letters, 94(7), 075502. https://doi.org/10.1103/PhysRevLett.94.075502
Duman, E, et al. "Magnetic instabilities in Fe3C cementite particles observed with Fe K-edge x-ray circular dichroism under pressure." Physical review letters vol. 94,7 (2005): 075502. doi: https://doi.org/10.1103/PhysRevLett.94.075502
Duman E, Acet M, Wassermann EF, Itié JP, Baudelet F, Mathon O, Pascarelli S. Magnetic instabilities in Fe3C cementite particles observed with Fe K-edge x-ray circular dichroism under pressure. Phys Rev Lett. 2005 Feb 25;94(7):075502. doi: 10.1103/PhysRevLett.94.075502. Epub 2005 Feb 23. PMID: 15783825.
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Phys Rev Lett. 2005 Feb 25;94(7):075502. doi: 10.1103/PhysRevLett.94.075502. Epub 2005 Feb 23.

Magnetic instabilities in Fe3C cementite particles observed with Fe K-edge x-ray circular dichroism under pressure.

Physical review letters

E Duman, M Acet, E F Wassermann, J P Itié, F Baudelet, O Mathon, S Pascarelli

Affiliations

  1. Experimentalphysik, Universität Duisburg-Essen, D-47048 Duisburg, Germany.

PMID: 15783825 DOI: 10.1103/PhysRevLett.94.075502

Abstract

The ferromagnetic interstitial iron compound Fe(3)C (cementite) is expected to have Invar properties, whereby a high-moment to low-moment transition should occur when the atomic volume is reduced below a critical value. We, therefore, examine the pressure dependence of the Fe K-edge x-ray magnetic circular dichroism in Fe(3)C at ambient temperature and pressures up to 20 GPa. We find clear evidence for a high-moment to low-moment transition around 10 GPa.

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