His current research interests include the development and processing of the piezoelectric and ferroelectric devices, energy harvesting, ceramic processing, smart actuators, and functional thin/thick ceramics film fabrication through aerosol deposition technique. He has authored over 270 publications in peer-reviewed international journals and >100 patents in the magnetoelectric, piezoelectric materials and devices, and functional ceramic films. Total number of citation on his research articles are over 11,300 times and h index is over 50. (As of Dec. 2021)