1. Graduate School of Engineering, Kyushu Institute of Technology
2. Faculty of Science, Fukuoka University
3. Center for Scientific Instrument Renovation and Manufacturing Support, Osaka University
4. Department of Electrical Engineering, Kyushu Sangyo University
5. Department of Materials Science and Engineering, Faculty of Engineering, Kyushu University
6. International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University