1. Laboratório de Materiais Inorgânicos, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil
2. Nano-Materials Lab, Department of Chemistry, Birla Institute of Technology and Science Pilani, KK Birla Goa Campus, Zuarinagar, Goa 403726, India
3. Chemical Sciences and Technology Division, National Institute for Interdisciplinary Science and Technology (NIIST-CSIR), Thiruvananthapuram 695019, Kerala, India