1. Department of Mechanical Engineering, Indian Institute of Technology, Patna-801103, India
2. Technical Physics Division, Bhabha Atomic Research Centre, Mumbai-400085, India
3. Homi Bhabha National Institute, Anushaktinagar, Mumbai-400094, India
4. Solid State Physics Division, Bhabha Atomic Research Centre, Mumbai-400085, India
5. Nanotechnology Research Centre (NRC), Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur-603203, India
6. Power Metallurgy Division, Bhabha Atomic Research Centre, Vashi Complex, Navi Mumbai-400703, India