Negative friction coefficient in microscale graphite/mica layered heterojunctions

Authors: Bingtong Liu, Jin Wang, Shuji Zhao, Cangyu Qu, Yuan Liu, Liran Ma, Zhihong Zhang, Kaihui Liu, Quanshui Zheng, Ming Ma

Published: 2020-04-17

DOI: 10.1126/sciadv.aaz6787

Source: Full article


Abstract

Negative friction coefficient attributed to the water layer confined at the interface is observed on microscale.