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Phys. Rev. B 63, 104413 (2001) (5 pages)

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Magnetism and interlayer coupling in fcc Fe/Co films

A. Dallmeyer,¹ K. Maiti,¹ O. Rader,² L. Pasquali,³ C. Carbone,¹ and W. Eberhardt¹

¹Institut für Festkörperforschung, Forschungszentrum Jülich, D-52425 Jülich, Germany
²BESSY, Albert-Einstein-Straße 15, D-12489 Berlin, Germany
³INFM and Dipartimento di Fisica, Università di Modena e Reggio Emilia, Via Campi 213/a, I-41100 Modena, Italy

(Received 1 September 2000; published 15 February 2001)

The magnetism of epitaxial fcc Fe films deposited on Co(100) and sandwiched between two Co(100) films was investigated by x-ray magnetic circular dichroism. The dependence of the Fe magnetism on the film thickness is complex and qualitatively similar on Co(100) and in fcc Co/Fe/Co(100) trilayers. The fcc Fe film magnetization presents a pronounced oscillation, suggesting a partial antiferromagnetic ordering in the 5–10 monolayer thickness range. The fcc Fe films mediate an oscillatory, indirect coupling in Co/Fe/Co(100) structures that alternates in correspondence with the changes of the Fe magnetization. ©2001 The American Physical Society

URL: http://link.aps.org/abstract/PRB/v63/e104413
doi:10.1103/PhysRevB.63.104413
PACS: 75.70.Ak, 75.70.Cn        Additional Information

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