- Texture effects in Mössbauer spectroscopy
- Magnetic phase transitions in oxide, nitride and carbide phases
- Magnetic relaxation in Fe3+ and Fe2+ compounds
- Ligand fields and hyperfine interaction in crystalline and amorphous Fe2+ compounds (Mössbauer studies at low temperatures in external magnetic fields)
- After effects of the electron capture in isolators and semiconductors
- Mössbauer studies of high-Tc superconductors
- Mössbauer studies of molecular magnets
- Development and application of the grazing incident nuclear resonant scattering of synchrotron radiation (“Synchrotron Mössbauer Reflectometry”, SMR) and the application of polarised neutron reflectometry (PNR) for thin film magnetism, depth-selective magnetic phase analysis and the development of nuclear resonant monochromators
- Development and application of Mössbauer polarimetry with laboratory sources and with synchrotron radiation