1. Complex Materials
2. Department of Materials
3. ETH Zurich
4. 8093 Zurich
5. Switzerland
6. Laboratory for Surface Science and Technology
7. Institute for Theoretical Physics
8. Center for Extreme Matter and Emergent Phenomena
9. Utrecht University
10. 3584 CC Utrecht
11. The Netherlands
12. Multi-Scale Robotics Lab
13. Institute of Robotics and Intelligent Systems
14. 8092 Zurich