Structural lubricity in soft and hard matter systems

A Vanossi, C Bechinger, M Urbakh - Nature Communications, 2020 - nature.com
Over the recent decades there has been tremendous progress in understanding and
controlling friction between surfaces in relative motion. However the complex nature of the …

Colloquium: Sliding and pinning in structurally lubric 2D material interfaces

J Wang, A Khosravi, A Vanossi, E Tosatti - Reviews of Modern Physics, 2024 - APS
A plethora of two-dimensional (2D) materials have been introduced in physics and
engineering in the past two decades. Their robust, membranelike sheets permit (mostly …

Contributions of edge and internal atoms to the friction of two-dimensional heterojunctions

Y Li, W He, QC He, W Wang - Physical Review Letters, 2024 - APS
The weak interlayer interaction and strong intralayer bonding in Van der Waals (vdW)
layered materials give rise to ultralow friction at incommensurate contact interfaces, a …

Shape-dependent friction scaling laws in twisted layered material interfaces

W Yan, X Gao, W Ouyang, Z Liu, O Hod… - Journal of the Mechanics …, 2024 - Elsevier
Static friction induced by moiré superstructures in twisted incommensurate finite layered
material interfaces reveals unique double periodicity and lack of scaling with contact size …

Loading Mode-Induced Enhancement in Friction for Microscale Graphite/Hexagonal Boron Nitride Heterojunction

Y Zhang, J Li, Y Wang, J Nie, C Wang… - ACS Applied Materials …, 2024 - ACS Publications
Classical friction laws traditionally assume that the friction between solid pairs remains
constant with a given normal load. However, our study has unveiled a remarkable deviation …

Origin of frictional scaling law in circular twist layered interfaces: Simulations and theory

W Yan, W Ouyang, Z Liu - Journal of the Mechanics and Physics of Solids, 2023 - Elsevier
Structural superlubricity based on twisted layered materials has stimulated great research
interests. Recent MD simulations show that the circular twisted bilayer graphene (tBLG) …

Effective stick-slip parameter for structurally lubric 2D interface friction

J Wang, A Vanossi, E Tosatti - arXiv preprint arXiv:2401.13780, 2024 - arxiv.org
The wear-free sliding of layers or flakes of graphene-like 2D materials, important in many
experimental systems, may occur either smoothly or through stick-slip, depending on driving …

First-principles delimitation of the boundary between intralayer and interlayer in two-dimensional structures

Z Cheng, B Zhang, X An, Z Lu, G Zhang… - The Journal of …, 2019 - ACS Publications
Acquiring how the performance depends on structure is the most pivotal step of material
design, preparation, and application. In particular, it is extremely significant to figure out the …

Sliding friction of amorphous asperities on crystalline substrates: Scaling with contact radius and substrate thickness

JM Monti, MO Robbins - ACS nano, 2020 - ACS Publications
Disorder in the contact between an amorphous slider and a crystalline substrate leads to a
cancellation of lateral forces. Atomically flat, rigid surfaces exhibit structural superlubricity …

Effective stick-slip parameter for structurally lubric two-dimensional interface friction

J Wang, A Vanossi, E Tosatti - Physical Review B, 2024 - APS
The wear-free sliding of layers or flakes of graphene-like 2D materials, important in many
experimental systems, may occur either smoothly or through stick-slip, depending on driving …