1. UGC-DAE Consortium for Scientific Research; Kolkata Centre; III/LB-8; Bidhannagar; Kolkata; 700 098; India
2. National High Magnetic Field Laboratory; Department of Chemistry and Biochemistry; Florida State University; Tallahassee; Florida; 32306
3. Department of Metallurgy and Materials Engineering; Bengal Engineering and Science University; Shibpur; Howrah; 711103; India
4. Solid State and Structural Chemistry Unit; Indian Institute of Science; Bangalore; 560 012; India
5. Department of Physics; Jadavpur University; Kolkata; 700 032; India