Observation of the bulk spin-flop in an Fe/Cr superlattice

L. Bottyán, L. Deák, J. Dekoster, E. Kunnen, G. Langouche, J. Meersschaut, M. Major, D. L. Nagy, H. D. Rüter, E. Szilágyi, K. Temst

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11 Citations (Scopus)

Abstract

The layer magnetisation reorientation transition (spin-flop, SF) was studied in an artificial layer antiferromagnet (AF), namely in MgO(0 0 1)/[57Fe(2.6 nm)/Cr(1.3 nm)]20 epitaxial superlattice (SL) by synchrotron Mössbauer reflectometry and Kerr effect (SMOKE). The SF occurs simultaneously in the entire SL stack (bulk SF) in an increasing field of HSF = 13mT along the easy direction parallel to the layer magnetisations. It is recognised by the kink in the SMOKE loop and by the sharp up-rise of the AF Bragg peak in the delayed Mössbauer reflectivity. The moderate value of observed HSF is compared with estimations from a spin-chain model and interpreted as due to intraplane domain-wall motion during SF.

Original languageEnglish
Pages (from-to)514-516
Number of pages3
JournalJournal of Magnetism and Magnetic Materials
Volume240
Issue number1-3
DOIs
Publication statusPublished - Feb 2002

Keywords

  • Artificial superlattices
  • Interlayer coupling
  • Kerr measurements
  • Mössbauer spectroscopy
  • Synchrotron radiation

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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    Bottyán, L., Deák, L., Dekoster, J., Kunnen, E., Langouche, G., Meersschaut, J., Major, M., Nagy, D. L., Rüter, H. D., Szilágyi, E., & Temst, K. (2002). Observation of the bulk spin-flop in an Fe/Cr superlattice. Journal of Magnetism and Magnetic Materials, 240(1-3), 514-516. https://doi.org/10.1016/S0304-8853(01)00894-0