- Investigation of the chemical composition of battery materials together with J. Maier and M. R. Buchmeiser (University of Stuttgart).
- Investigation of catalysts with J. Maier, B. Lotsch and E. Klemm (University of Stuttgart).
- Investigation of the diffusion of ions with J. Maier.
- Investigation of highly correlated electron materials and quantum materials with B. Keimer, J. Mannhart, H. Takagi and P. van Aken.
- Investigation of 2D materials like hexagonal boron nitride (h-BN) and transition metal dichalcogenides with K. Kern and H. Takagi.
- Investigation of molecular layers on surfaces with K. Kern and H. Klauk.