Magnetic circular X-ray dichroism of metastable epitaxial Fe on Cu(1 0 0)

We report L-edge Magnetic Circular X-Ray Dichroism measurements at 30 K of Fe deposited at 100 K on Cu (1 0 0) in the form of ultrathin films and a wedge. The orbital and spin moments of the wedge differ from those obtained for uniform thickness films. For the FCT phase of Fe we stabilised both perpendicular and in-plane easy directions.