Author/Authors :
K. Maiti، نويسنده , , A. Dallmeyer، نويسنده , , M.C. Malagoli، نويسنده , , C. Carbone، نويسنده , , W. Eberhardt، نويسنده , , O. Rader، نويسنده , , L. Pasquali، نويسنده , , A. Banerjee، نويسنده , , S. Turchini، نويسنده , , S. Zennaro، نويسنده , , M. Piacentini and N. Zema، نويسنده ,
Abstract :
The magnetism of epitaxial fcc-Fe films deposited on Co(1 0 0) and sandwiched between two Co(1 0 0) films was investigated by X-ray magnetic circular dichroism at various temperatures. The dependence of the Fe magnetism on the film thickness is complex and qualitatively similar on Co(1 0 0) and in fcc-Co/Fe/Co(1 0 0) trilayers. The fcc-Fe film magnetization presents a pronounced oscillation suggesting a partial antiferromagnetic ordering in the 5–10 monolayers (ML) thickness range. The decrease in temperature down to 100 K does not exhibit any change in the magnetic properties of the Fe-film. The fcc-Fe films mediate an oscillatory, indirect coupling in Co/Fe/Co(1 0 0) structures that alternates in correspondence with the changes of the Fe magnetization.
