Scientific interests

1. Theory of I order phase transitions
   • Entropy of evaporation of solids - microscopic theory
   • Entropy of melting of solids
   
   

2. Adsorption and dissolution of diamolecular gases on liquid metal surfaces
   • N₂ - group III metals: Aluminum, Gallium and Indium
   • O₂ - group III metals: Aluminum, Gallium and Indium
   • N₂ - Lithium
   
   

3. Adsorption, surface diffusion and ordering - O/W(110) and other surfaces
   • Adsorption, diffusion: new model of the twin site - O/W(110)
   • Hexagonal lattice - collective diffusion, domain dynamics
   • Square lattice - diffusion close to dislocation line
   
   

4. Properties of semiconductor surfaces: adsorption
   • Foundations of modeling and the methods
   • Determination of surface Stark effect
   • Discovery of intrasurface electron transfer contribution to adsoprtion energy
   
   

5. Growth of nitrides in ammonia rich environment
   • HVPE theory
   • MOVPE theory
   
   

6. High pressure growth of GaN and other nitrides
   • p-T phase diagrams of GaN, AlN and InN
   • x-T phase diagrams of GaN, AlN and InN
   • Transport in high pressure growth
   
   

7. Determination of the physical properties of group III nitrides
   • Determination of physical properties of InN: p-T diagram,Debye temperature, lattice parameters, thermal expansion and Gruneisen parameter
   • Spontaneous polarization, elastic and piezoeletric constants
   
   

8. Determination of the physical properties of quantum structures and devices
   • Nitride multiquantum well structures (MQWs)
   • Nitride devices LEDs & LDs
   
   

9. Determination of physical properties on nitrogen under high pressure
   • N₂ - N₂ interaction potential
   • Equation of state of nitrogen at pressures up to 30 GPa
   • Viscosity of nitrogen at pressures up to 5 GPa
   • Specific heat of nitrogen at pressures up to 30 GPa
   • Thermal conductivity of nitrogen at pressures up to 5 GPa
   
   

10. Shape selection in equilibrium, and during growth, close and far from the equilibrium
    • Equilibrium od 2-d Kossel crystal - capillary waves
    • Growth far from equilibrium - fractal to crystal transition
    • Ballistic vs diffusive regime - nucleus size and mean free path relation
    • Dendrite sidebranching - microscopic mechanism
    • Growth very close to equilibrium - shape selection of 2-d Kossel crystal
    • Step meandering and bunching
    
    

11. Determination of presure-temperature phase diagrams of II-VI compounds
    • DTA - peak area method of identification of triple point
    • Phase diagrams of II-VI compounds
    
    

12. Growth of spherically symmetric nucleus in supersaturated medium
    • Analytical solution