Title: Topological insulators based on the semi-metallic hgcdte

Biography: Eugen M. Sheregii (in pass: Eugeniusz Szeregij), Education: Uzhgorod University (1971); A. F. Joffe Physical-Technical Institute in Leningrad – PhD (1976); St. Petersburg University of Technology – Doctor of Science (1992); Employment: University of Rzeszow – Full Professor (1999 – now). Activities: The cyclotron-phonon resonance with absorption of two acoustic phonons (1987); the magneto-phonon resonance with simultaneous emission and absorption of two phonons belonging to different sublattices of the semiconductor solid solution was discovered in 1988. Discontinuity of the phonon frequencies temperature dependence caused by the Dirac point in HgCdTe (2009); SERS based on nano-complexes Au+Oxidise enzyme (2015); Topological Insulators based on HgCdTe (2017). Honours and memberships: Member of E-MRS Board, Polish Physical Society – Member (1994), Awards: Awards of Rector for Scientifics works (2002, 2009), Award of Ministry of Science and Higher Education – 2014.