1. Electronics and Photonics Research InstituteNational Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Umezono Tsukuba 305-8568 Japan
2. Institute of Fluid ScienceTohoku University 2-1-1 Katahira Aoba-ku Sendai 980-8577 Japan
3. Nanoelectronoics Research InstituteNational Institute of Advanced Industrial Science and Technology (AIST) 1-1-1 Umezono Tsukuba 305-8568 Japan
4. Advanced Institute for Materials ResearchTohoku University 2-1-1 Katahira Aoba-ku Sendai 980-8577 Japan
5. GaN Advanced Device Open Innovation LaboratoryNational Institute of Advanced Industrial Science and Technology (AIST) Furo-cho, Chikusa-ku Nagoya 464-8601 Japan
6. Institute of Materials and Systems for SustainabilityNagoya University Furo-cho, Chikusa-ku Nagoya 464-8601 Japan