High field interaction in semiconductors and dielectrics
Impurity and fluctuation effects in superconductors
Study of ultrasonic absorption in theintermediate state and normal and superconducting states of pure and doped type-I superconductors
Study of impact ionization and transport phenomena in some semiconductor materials
Tunnelling in Esaki junctions
Study of charge transport mechanism of organic semiconductors with special reference to persistent internal polarisation state of zonerefined pyrene
Thermoelectric power of some tetrahedrally coordinated amorphous semiconductors