Magnetic neutron off-specular scattering for the direct determination of the coupling angle in exchange-coupled multilayers

V. Lauter-Pasyuk, H. J. Lauter, B. Toperverg, O. Nikonov, E. Kravtsov, L. Romashev, V. Ustinov

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27 Scopus citations

Abstract

A new method is presented for the direct determination of the coupling angle in magnetic exchange multilayers. Strong anomalies in the off-specular neutron spin-flip scattering intensity at critical angles give a new tool, which is tested with Fe/Cr multilayers. In addition, a complete two-dimensional data analysis of specular reflection and off-specular scattering has been employed to verify atomic spin correlation in Fe/Cr multilayers, a typical, system showing the GMR effect.

Original languageEnglish
Pages (from-to)1694-1696
Number of pages3
JournalJournal of Magnetism and Magnetic Materials
Volume226-230
Issue numberPART II
DOIs
StatePublished - 2001
Externally publishedYes

Funding

We thank R. Siebrecht for help during the experiment. This work was supported by the German BMBF (No. 03DUOTU14) and RFBR (Grant No. 00-15-96745).

Keywords

  • Non-collinear exchange coupling
  • Polarized neutron reflection
  • Thin film-multilayers

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