1. Materials and Device Laboratory, Department of Physics, Indian Institute of Technology (IIT) Indore, Simrol 453552, India
2. Technical Physics Division, Bhabha Atomic Research Centre, Mumbai 40008, India
3. Lithography and Microscopy Laboratory, Synchrotrons Utilization Section, Raja Ramanna Centre for Advanced Technology, Indore 452013, India
4. Centre for Advanced Electronics, Indian Institute of Technology (IIT) Indore, Simrol 453552, India
5. Centre for Rural Development and Technology, Indian Institute of Technology (IIT) Indore, Simrol 453552, India