1. Department of Materials Science and Engineering
2. City University of Hong Kong
3. Kowloon Tang
4. Hong Kong SAR
5. School of Instrument Science and Opto-electronics Engineering
6. Laboratory of Quantum Energy Conversion Materials
7. Centre for Advanced Research of Energy and Materials
8. Division of Quantum Science and Engineering
9. Faculty of Engineering
10. Hokkaido University
11. Laboratory of Quantum Beam System Engineering
12. Sapporo 0608628