1. Center for GaN Characterization and Analysis, Research Network and Facility Services Division (RNFS)
2. National Institute for Materials Science (NIMS)
3. Tsukuba
4. Japan
5. Synchrotron X-ray Station at SPring-8
6. RNFS
7. NIMS
8. Sayo-gun
9. Synchrotron X-ray Group
10. Research Center for Advanced Measurement and Characterization
11. Research & Utilization Division
12. Japan Synchrotron Radiation Research Institute (JASRI)