1. Health Physics Unit, Integrated Nuclear Recycle Plant—Kalpakkam, Nuclear Recycle Board, Bhabha Atomic Research Centre Facilities, Kalpakkam 603102, India
2. Homi Bhabha National Institute, Kalpakkam 603102, India
3. Surface and Nanoscience Division, Materials Science Group, Indira Gandhi Centre for Atomic Research, Kalpakkam 603102, India
4. Materials Physics Division, Materials Science Group, IGCAR, Kalpakkam 603102, India