1. Laboratory of Metal Physics and Technology, Department of Materials, ETH Zurich, 8093 Zurich, Switzerland
2. Mettler-Toledo GmbH, Analytical, 8606 Nänikon, Switzerland
3. Department of Materials Science Chair of Materials Physics, Montanuniversität Leoben, 8700 Leoben, Austria
4. Erich Schmid Institute of Materials Science, Austrian Academy of Sciences, 8700 Leoben, Austria