1. Doctoral Program of Physics, Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Bandung, Indonesia
2. Research Center for Advanced Materials, National Research and Innovation Agency (BRIN), Tangerang Selatan, Indonesia
3. Welding and Fabrication Engineering Technology Department, Institut Teknologi Sains Bandung, Bekasi, Indonesia
4. Department of Physics, Universitas Negeri Padang, Padang, Indonesia
5. Department of Physics, Faculty of Mathematics and Natural Sciences, and the Research Center for Nanosciences and Nanotechnology, Institut Teknologi Bandung, Bandung, Indonesia
6. Advanced Functional Research Group, Faculty of Industrial Technology, the Research Center for Nanosciences and Nanotechnology, BRIN and ITB Collaboration Research Center for Biosensor and Biodevices, Institut Teknologi Bandung, Bandung, Indonesia