About the Authors
- Chun-Ting Zhang
-
* E-mail: ctzhang@tju.edu.cn
Affiliation Department of Physics, Tianjin University, Tianjin, China
Competing Interests
The author has declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: CTZ. Performed the experiments: CTZ. Analyzed the data: CTZ. Contributed reagents/materials/analysis tools: CTZ. Wrote the paper: CTZ.