1. Walter-and-Ingeborg-Herrmann-Chair for Power Ultrasonics and Engineering of Functional Materials (EFM), Department of Sustainable Systems Engineering (INATECH), Faculty of Engineering, University of Freiburg, 79110 Freiburg (Germany)
2. Freiburg Materials Research Center FMF, 79104 Freiburg (Germany)
3. Fraunhofer-Institute for High-Speed Dynamics, Ernst Mach Institute (EMI), 79104 Freiburg (Germany)