Robust ultra-low-friction state of graphene via moiré superlattice confinement

Xiaohu Zheng; Lei Gao; Quanzhou Yao; Qunyang Li; Miao Zhang; Xiaoming Xie; Shan Qiao; Gang Wang; Tianbao Ma; Zengfeng Di; Jianbin Luo; Xi Wang

doi:10.1038/ncomms13204

Nature Communications (Oct 2016)

Robust ultra-low-friction state of graphene via moiré superlattice confinement

Xiaohu Zheng,
Lei Gao,
Quanzhou Yao,
Qunyang Li,
Miao Zhang,
Xiaoming Xie,
Shan Qiao,
Gang Wang,
Tianbao Ma,
Zengfeng Di,
Jianbin Luo,
Xi Wang

Affiliations

Xiaohu Zheng: State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences
Lei Gao: State Key Laboratory of Tribology, Tsinghua University
Quanzhou Yao: Department of Engineering Mechanics, AML, CNMM, Tsinghua University
Qunyang Li: State Key Laboratory of Tribology, Tsinghua University
Miao Zhang: State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences
Xiaoming Xie: State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences
Shan Qiao: State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences
Gang Wang: State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences
Tianbao Ma: State Key Laboratory of Tribology, Tsinghua University
Zengfeng Di: State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences
Jianbin Luo: State Key Laboratory of Tribology, Tsinghua University
Xi Wang: State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences

DOI: https://doi.org/10.1038/ncomms13204
Journal volume & issue: Vol. 7, no. 1
pp. 1 – 7

Abstract

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Two-dimensional materials show remarkable lubrication properties, yet chemical modifications may hinder such capabilities. Here, the authors show that when graphene is aligned on a Ge(111) substrate, ultra-low friction can be preserved even after graphene fluorination or oxidation.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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