- TPD for reaction kinetics and mechanism elucidation
- Synthesis of nanocrystalline and nanostructured materials
- CNT for gas sensor applications
- DLC, doped DLC and Diamond coatings for Tribological applications
- Nanocrystalline and nanostructured diamond films
- Chemical Vapor Deposition of 1-D Nanostructures in Vapor-Liquid-Solid (VLS) Technique for Studying Opto-Electronic Properties in Ensemble and Single Nanostructures.
- Metallorganic Chemical Vapor Deposition (MOCVD) of Nanoclusters
- Mechanism of Crystallization and Phase Transition Elucidating Role of Defects in Semiconductors
- Plasmonics : Plasmon Study in Metal Nanoclusters
- Raman Scattering Studies : Resonant Frohlich Interaction, Study of Deformation Potential, and Surface Optical Modes
- Nanoscale Interactions in Wide Band Gap based Dilute Magnetic Semiconductors: ‘Spintronics’