Seminars Archive

Magnetic properties of low-dimensional systems probed by x-ray circular dichroism in absorption and scattering

Abstract
Magnetic circular dichroism in x-ray absorption (XAS) has developed into a unique method to obtain information about magnetic moments in an element-selective way. X-ray resonant magnetic scattering (XRMS) represents a straightforward extension of this technique making use of the coherent decay of the XAS final-state core hole for neighbouring atoms. The huge magnetic scattering signals observed at the L2,3 edges of 3d transition metals allow a detailed investigation of magnetic domain structures in ultrathin films and multilayers containing 3d elements with XRMS in the soft x-ray range. We will discuss applications of both techniques to nanostructured materials such as self-assembled clusters and multilayered films.