Management

Roman Gröger, Ph.D.

Pavel Hutař, Ph.D.
Deputy research group leader

Research areas

• Theoretical studies of dislocation mobility in compositionally complex (Cantor) alloys
• Development of thermodynamic models describing the onset of plasticity in non-Schmid materials
• Quantum-mechanical studies of extended defects in metallic materials
• Computational studies of crystal lattice defects using molecular statics, dynamics and Monte Carlo methods
• Investigation of the mechanism of nucleation of threading dislocations in III-nitride semiconductors
• Development of theoretical and computational methods for studies of microstructure evolution at mesoscopic length and time scales
• Computational studies of fracture and fatigue using the finite element method
• Experimental studies of the relationships between structure and physical properties of metallic single crystals and polycrystals
• Experimental studies of fatigue and fracture in metallic materials, polymers and metal-polymer composites
• Measurements of electrical, magnetic and transport properties under high magnetic fields and down to low temperatures

Main objectives

• Elucidating the origin of threading dislocations in epitaxially grown III-nitride films on lattice mismatched substrates
• Understanding the mechanisms of radiation damage in W and Fe and finding routes to their rapid recovery
• Development of theoretical models describing plastic deformation of compositionally complex alloys
• Sythesis of novel polymers containing high percentage of recycled material with high fatigue lifetime
• Synthesis and functionalization of metallic nanoparticles for transport of biomolecules