About the Authors
- Jun Xu
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Affiliation Columbia Nanomechanics Research Center, Department of Earth and Environmental Engineering, Columbia University, New York, New York, United States of America
- Yibing Li
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Affiliation State Key Laboratory of Automotive Safety & Energy, Department of Automotive Engineering, Tsinghua University, Beijing, China
- Yong Xiang
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* E-mail: xichen@columbia.edu (XC); xiang@uestc.edu.cn (YX)
Affiliation State Key Lab of Electronic Thin Films and Integrated Devices, School of Energy Science and Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
- Xi Chen
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* E-mail: xichen@columbia.edu (XC); xiang@uestc.edu.cn (YX)
Affiliations Columbia Nanomechanics Research Center, Department of Earth and Environmental Engineering, Columbia University, New York, New York, United States of America, Department of Civil and Environmental Engineering, Hanyang University, Seoul, Korea, International Center for Applied Mechanics, SV Lab, Xi'an Jiaotong University, Xi'an, China
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: JX YX XC. Performed the experiments: JX YL. Analyzed the data: JX XC. Contributed reagents/materials/analysis tools: JX YX XC. Wrote the paper: JX XC.