1. Department of PhysicsNational Taiwan University Taipei Taiwan
2. Department of PhysicsJamia Milia Islamia New Delhi India
3. Department of Physics, College of ScienceKing Saud University Riyadh Saudi Arabia
4. Institute of Inorganic Chemistry and CrystallographyUniversity of Bremen Bremen Germany
5. MAPEX Center for Materials and ProcessesUniversity of Bremen Bremen Germany
6. Centre for Nanoscience and TechnologyJamia Milia Islamia New Delhi India