1. Physical and Inorganic Chemistry Research Group, Faculty Mathematics and Natural Sciences; Institut Teknologi Bandung; Jl. Ganesha 10 Bandung 40132 Indonesia
2. Department of Chemistry; UIN Maulana Malik Ibrahim; Jl. Gajayana 50 Malang 65144 Indonesia
3. Department Geowissenschaften; Universität Hamburg; Grindelallee 48 Hamburg 20146 Germany
4. Research Center For Nanosciences And Nanotechnology; Institut Teknologi Bandung; Jl. Ganesha 10 Bandung 40132 Indonesia
5. Physics of Magnetism and Photonic Research Division, Faculty Mathematics and Natural Sciences; Institut Teknologi Bandung; Jl. Ganesha 10 Bandung 40132 Indonesia
6. Department of Chemistry, Faculty of Mathematics and Natural Sciences; Universitas Andalas; Kampus Limau Manis Padang 25163 Indonesia