Negative-positive oscillation in interfacial friction of a -graphene heterojunction

J Cheng, K Liu, X Zhao, X Xue, L Zhang, R Pang… - Physical Review B, 2022 - APS
According to the classic law of Da Vinci-Amontons, a friction force f was found to increase
macroscopically with an external normal load N (f= μ N), with a positive definite friction …

Negative Differential Friction Predicted in 2D Ferroelectric In2Se3 Commensurate Contacts

J Sun, L Zhang, R Pang, XJ Zhao, J Cheng… - Advanced …, 2022 - Wiley Online Library
At the macroscopic scale, the friction force (f) is found to increase with the normal load (N),
according to the classic law of Da Vinci–Amontons, namely, f= µN, with a positive definite …

Phononic friction in monolayer/bilayer graphene

Y Dong, W Hui, F Lian, Y Ding, Z Rui - Tribology Letters, 2022 - Springer
Herein, frictional phonon dissipation in monolayer/bilayer graphene was modeled using
phonon spectra based on molecular dynamics simulations. The results indicate that the …

Atomic-scale tribological behavior of pressure-induced MoO3 (0 1 0)/Ag (1 1 1) heterogeneous sliding interface

B Sun, F Ding, B Qiu, T Cao, G Zhang - Applied Surface Science, 2024 - Elsevier
The atomic-scale tribological properties of the MoO 3 (0 1 0)/Ag (1 1 1) heterogeneous
sliding interface were studied by first-principles calculation method. The interface binding …

Negative differential friction coefficients of two-dimensional commensurate contacts dominated by electronic phase transition

K Liu, J Cheng, X Zhao, Y Zhu, X Ren, J Shi, Z Guo… - Nano Research, 2022 - Springer
Friction force (f) usually increases with the normal load (N) macroscopically, according to the
classic law of Da Vinci—Amontons (f= μN), with a positive and finite friction coefficient (μ) …

Nonmonotonic interfacial friction with normal force in two-dimensional crystals

H Li, W Shi, Y Guo, W Guo - Physical Review B, 2020 - APS
Classic Amontons' law states that friction force increases monotonically with the increase of
normal force. Here a nonmonotonic variation of interfacial friction with normal force is …

The influences of atom relaxation on the DFT-calculated friction properties of the h-BN/h-BN and Gr/Gr interfaces

Y Wang, M He, W He, Y Niu, Z Lu - Tribology International, 2022 - Elsevier
In this study, the h-BN/h-BN and Gr/Gr interface systems were employed to investigate the
effects of the atomic relaxation on the DFT-calculated friction properties. The friction forces …

Prestress effect on friction reduction of multilayer suspended h-BN

X Zhang, H Lang, P Xu, K Zou, Y Peng - Applied Physics Letters, 2024 - pubs.aip.org
Prestress manifests on multilayer suspended two-dimensional materials, significantly
influencing their friction characteristics. Here, friction of multilayer suspended h-BN to …

Borophene: Provides the Possibility to Observe the Behavior of a Negative Friction Coefficient in a Rigid Interface

Y Xu, X Zhu, Z Cheng, Z Lu, W He, G Zhang - Tribology Letters, 2022 - Springer
From the classic Amonton's law, there was a positive correlation between the frictional force
and the normal load when a solid surface slid. However, the negative coefficient of friction …

Amplitude nanofriction spectroscopy

A Lainé, A Vanossi, A Nigues, E Tosatti, A Siria - Nanoscale, 2021 - pubs.rsc.org
Atomic scale friction, an indispensable element of nanotechnology, requires a direct access
to, under actual growing shear stress, its successive live phases: from static pinning, to …