Valeri Ligatchev

• Mathematical and Physical Aspects of Experimental Investigations on Electron and Relaxation Time Spectra in Bulk and Nano-Structured Semiconductors and Insulators
• Polycrystalline and Spatially Non-Homogeneous Amorphous Semiconductors and Insulators
• Nano- and micro-crystalline diamond films and powders
• Polycrystalline and spatially non-homogenous amorphous semiconductors