Physical Vapor Deposition / CVD / Reactive Sputtering Techniques; Nitride-based Ceramics and Group III - IV Semiconductors; Novel-Semiconductor Devices and Sensors; Thin Film Sensors( including Temperature, Strain and Heat Flux); Ferroelectric Polymers and Thermochromic Polymers; Sensors for IR Imaging / Thin Film Electroluminescent Devices; Surface Chemistry and Microstructural Analysis (AFM, SEM, AES, ESCA, Optical Microscopy); Forensic engineering