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, Freiburg, Germany
2. Freiburg Materials Research Center FMF, Freiburg, Germany
3. Fraunhofer-Institute for High-Speed Dynamics, Ernst Mach Institute (EMI), Freiburg, Germany