| 1. Adsorption, desorption, decomposition of molecules bonded to noble metal and transition metal oxide surfaces. | 
| 2. Two dimensional model catalysts, structure of supported
noble metal nanocrystallites.  Rh / TiO2(110)-(1x2) 200 nm x 200 nm | 
| 3.  Application of scanning tunneling microscopy
and other atom probe technics in the heterogenous catalytic research. | 
| 4. Nanoscale modification of the surfaces by STM tip. |