About the Authors
- Ruimin Qiao
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Affiliations School of Physics, Shandong University, Jinan, Shandong, China, Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California, United States of America
- Yi-De Chuang
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Affiliation Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California, United States of America
- Shishen Yan
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* E-mail: wlyang@lbl.gov (WL); shishenyan@sdu.edu.cn (SY)
Affiliation School of Physics, Shandong University, Jinan, Shandong, China
- Wanli Yang
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* E-mail: wlyang@lbl.gov (WL); shishenyan@sdu.edu.cn (SY)
Affiliation Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California, United States of America
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: RQ YC SY WY. Performed the experiments: RQ YC SY WY. Analyzed the data: RQ YC SY WY. Contributed reagents/materials/analysis tools: RQ YC SY WY. Wrote the paper: RQ YC SY WY.