1. Institute for Integrative Nanosciences IFW Dresden 01069 Dresden Germany
2. Material Systems for Nanoelectronics Chemnitz University of Technology 09107 Chemnitz Germany
3. National Creative Research Initiative Center for Spin Dynamics and Spin‐Wave Devices Nanospinics Laboratory Research Institute of Advanced Materials Department of Materials Science and Engineering Seoul National University Seoul 151–744 South Korea
4. Center for X‐ray Optics Lawrence Berkeley National Laboratory Berkeley California 94720 USA
5. Institute for Metallic Materials IFW Dresden 01069 Dresden Germany
6. Institute for Materials Science TU Dresden 01069 Dresden Germany