1. Institute of Materials in Electrical Engineering and Information Technology II (IWE2)
2. RWTH Aachen University
3. 52056 Aachen
4. Germany
5. Hewlett Packard Labs
6. Palo Alto
7. USA
8. Peter Gruenberg Institute
9. Forschungszentrum Juelich GmbH
10. 52425 Juelich