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Magnetic circular dichroism in 4f photoemission from terbium

K. Starke, L. Baumgarten, E. Arenholz, E. Navas, and G. Kaindl
Phys. Rev. B 50, 1317(R) – Published 1 July 1994
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Abstract

Strong magnetic circular dichroism (MCD) in 4f photoemission from remanently magnetized films of Tb(0001) and TbFex grown on W(110) is reported. Asymmetries of up to 62% have been observed for the 4f88S7/2 multiplet component, in agreement with a calculated 93% effect, taking into account the incomplete circular polarization of the photon beam and the experimental geometry. This is a very strong MCD effect and provides interesting perspectives for surface and thin-film magnetism, as well as a versatile sensor for circular polarization of soft x rays over a wide photon-energy range.

    DOI:https://doi.org/10.1103/PhysRevB.50.1317

    ©1994 American Physical Society

    Authors & Affiliations

    K. Starke, L. Baumgarten, E. Arenholz, E. Navas, and G. Kaindl

    • Institut für Experimentalphysik, Freie Universität Berlin, Arnimallee 14, D-14195 Berlin-Dahlem, Germany

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    Vol. 50, Iss. 2 — 1 July 1994

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