1. Materials Center Leoben, Forschungs GmbH, Leoben, Austria
2. Erich Schmid Institute of Material Science, Austrian Academy of Sciences, Leoben, Austria
3. Kammrath & Weiss GmbH, Im Defdahl, Dortmund, Germany
4. Department of Materials Physics, Montanuniversität Leoben, Leoben, Austria