1. Department of Materials Physics; Montanuniversität Leoben, and Erich-Schmid-Institute for Materials Science; Austrian Academy of Sciences; Jahnstraße 12 A-8700 Leoben Austria
2. Department of Physical Metallurgy and Materials Testing; Montanuniversität Leoben; Roseggerstraße 12 A-8700 Leoben Austria