Purushottam Chakraborty is a former senior professor at the Surface Physics and Materials Science Division, Saha Institute of Nuclear Physics, Kolkata, India. His research focusses on atomic collisions in solids, ion-beam modifications and ion-beam analysis of materials, secondary ion mass spectrometry (SIMS), secondary neutral mass spectrometry (SNMS), NanoSIMS, low-dimensional materials and nanostructures, molecular beam epitaxy (MBE), X-UV optics, optoelectronics, nonlinear optics, photonics, and plasmonics.
Dambarudhar Mohanta is a professor of physics at Tezpur University, Tezpur, Assam, India. His current research interests include optoelectronic materials, 2D materials, radiation-induced phenomena, surface wettability of natural systems, nano-bio interface engineering, electrochemical and biosensing, bio-photonics, and soft matter physics.