... Phone: (495) 939-3731 Solid state theory , transport properties of semiconductors, hot electrons and domain electrical instability, transport in heavily doped crystalline and amorphous semiconductors, hopping conductivity, thermoelectric properties, disordered low-dimensional systems, theory of recombination in amorphous silicon . I.P. Zvyagin. ... Vertical hopping conduction via virtual states in intentionally disordered superlattices. ... Phys. Status Solidi B 218 (2), 449-453 (2000). ...