• Far infrared and dielectric spectroscopy of crystals, ceramics, thin films and composites;
  • Lattice dynamics of ferroelectrics, relaxor ferroelectrics, incipient and doped incipient ferroelectrics, dipolar glasses, composites, microwave dielectrics and incommensurate structures, phase transitions and soft and central modes;
  • Broadband dielectric spectroscopy, effective dielectric response of inhomogeneous media, percolation, giant permittivity effects.

ORCID 0000-0001-8562-2148