1. Theoretical Sciences Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific ResearchRINGGOLD, Jakkur, Bengaluru, Karnataka 560064, India
2. Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific ResearchRINGGOLD, Jakkur, Bengaluru, Karnataka 560064, India