1. Christian Doppler Laboratory for Application Oriented Coating Development at the Institute of Materials Science and Technology, TU Wien, A-1060 Wien, Austria
2. Oerlikon Balzers, Oerlikon Surface Solutions AG, LI-9496 Balzers, Liechtenstein
3. Plansee Composite Materials GmbH, D-86983 Lechbruck am See, Germany
4. Institute of Solid State Physics, TU Wien, A-1040 Wien, Austria
5. Institute of Materials Science and Technology, TU Wien, A-1060 Vienna, Austria