1 Department of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung Jalan Ganesha 10 Bandung West Java Indonesia 40132.
2 Department of Electrical Engineering, Politeknik Negeri Batam Batam Indonesia.
3 Department of Chemistry, Universitas Pertamina Jakarta 12220 Indonesia.
4 Department of Physics, Faculty of Science and Technology, UIN Sunan Gunung Djati Bandung Jl. A. H. Nasution 105 Bandung Indonesia 40614.
5 RIKEN Center for Emergent Matter Science 2-1 Hirosawa, Wako Saitama 351-0198 Japan.
6 Chemical Engineering Program, Department of Advanced Science and Engineering, Graduate School of Advanced Science and Engineering, Hiroshima University 1-4-1 Kagamiyama Higashihiroshima 739-8527 Japan.
7 Research Center for Nanoscience and Nanotechnology, Institut Teknologi Bandung Jalan Ganesha 10 Bandung Indonesia 40132 ferry@fi.itb.ac.id.