About the Authors

Katsumi Suzuki

Affiliation Department of Functional Materials Science, Graduate School of Science and Engineering, Saitama University, Saitama, Japan

Takeshi Fukuda

fukuda@fms.saitama-u.ac.jp

Affiliation Department of Functional Materials Science, Graduate School of Science and Engineering, Saitama University, Saitama, Japan

Yingjie Liao

Affiliation Department of Functional Materials Science, Graduate School of Science and Engineering, Saitama University, Saitama, Japan

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Performed the experiments: KS YL. Analyzed the data: KS TF. Contributed reagents/materials/analysis tools: KS TF. Contributed to the writing of the manuscript: TF. Designed the experimental plan: KS TF YL.