Magnetic x-ray scattering at the ${M}_{5}$ absorption edge of Ho

Magnetic x-ray scattering at the $M_{5}$ absorption edge of Ho

H. Ott, C. Schüßler-Langeheine, E. Schierle, A. Yu. Grigoriev, V. Leiner, H. Zabel, G. Kaindl, and E. Weschke

Phys. Rev. B 74, 094412 – Published 12 September 2006

Abstract

Magnetic x-ray scattering from thin Ho-metal films at $M_{5}$ resonance reveals atomic scattering lengths up to $200 r_{0}$ —i.e., of the same order of magnitude as predicted theoretically by Hannon et al. [Phys. Rev. Lett. 61, 1245 (1988)]. The photon-energy dependence of first- and second-order magnetic satellites allows a straightforward identification of circular and linear dichroic contributions. A direct comparison to magnetic neutron scattering demonstrates the potential of the method for studies of complex magnetic structures in ultrathin films and highly diluted materials.

Received 1 February 2006

DOI:https://doi.org/10.1103/PhysRevB.74.094412

Authors & Affiliations

H. Ott^1,*, C. Schüßler-Langeheine^1,2, E. Schierle¹, A. Yu. Grigoriev^1,†, V. Leiner^3,4,‡, H. Zabel³, G. Kaindl¹, and E. Weschke¹

¹Institut für Experimentalphysik, Freie Universität Berlin, Arnimallee 14, D-14195 Berlin-Dahlem, Germany
²II. Physikalisches Institut, Universität zu Köln, Zülpicher Str. 77, D-50937 Köln, Germany
³Institut für Experimentalphysik/Festkörperphysik, Ruhr-Universität Bochum, D-44780 Bochum, Germany
⁴Institut für Werkstoffforschung, WFN, GKSS Forschungszentrum, D-21502 Geesthacht, Germany

^*Present address: II. Physikalisches Institut, Universität zu Köln, Zülpicher Str. 77, D-50937 Köln, Germany.
^†Present address: Materials Science and Engineering Department, University of Wisconsin–Madison, 1509 University Avenue, Madison, WI 53706, USA.
^‡Present address: EUFO 3450, European Commission, L-2920 Luxembourg.

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Vol. 74, Iss. 9 — 1 September 2006

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