Non-Amontons frictional behaviors of grain boundaries at layered material interfaces

Yiming Song; Xiang Gao; Rémy Pawlak; Shuyu Huang; Antoine Hinaut; Thilo Glatzel; Oded Hod; Michael Urbakh; Ernst Meyer

doi:10.1038/s41467-024-53581-y

Non-Amontons frictional behaviors of grain boundaries at layered material interfaces

Yiming Song, Xiang Gao, Rémy Pawlak, Shuyu Huang, Antoine Hinaut, Thilo Glatzel, Oded Hod, Michael Urbakh, Ernst Meyer

School of Chemistry

Tel Aviv University

Research output: Contribution to journal › Article › peer-review

Abstract

Against conventional wisdom, corrugated grain boundaries in polycrystalline graphene, grown on Pt(111) surfaces, are shown to exhibit negative friction coefficients and non-monotonic velocity dependence. Using combined experimental, simulation, and modeling efforts, the underlying energy dissipation mechanism is found to be dominated by dynamic buckling of grain boundary dislocation protrusions. The revealed mechanism is expected to appear in a wide range of polycrystalline two-dimensional material interfaces, thus supporting the design of large-scale dry superlubric contacts.

Original language	English
Article number	9487
Journal	Nature Communications
Volume	15
Issue number	1
DOIs	https://doi.org/10.1038/s41467-024-53581-y
State	Published - Dec 2024

All Science Journal Classification (ASJC) codes

General Chemistry
General Biochemistry,Genetics and Molecular Biology
General Physics and Astronomy

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10.1038/s41467-024-53581-y

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title = "Non-Amontons frictional behaviors of grain boundaries at layered material interfaces",

abstract = "Against conventional wisdom, corrugated grain boundaries in polycrystalline graphene, grown on Pt(111) surfaces, are shown to exhibit negative friction coefficients and non-monotonic velocity dependence. Using combined experimental, simulation, and modeling efforts, the underlying energy dissipation mechanism is found to be dominated by dynamic buckling of grain boundary dislocation protrusions. The revealed mechanism is expected to appear in a wide range of polycrystalline two-dimensional material interfaces, thus supporting the design of large-scale dry superlubric contacts.",

author = "Yiming Song and Xiang Gao and R{\'e}my Pawlak and Shuyu Huang and Antoine Hinaut and Thilo Glatzel and Oded Hod and Michael Urbakh and Ernst Meyer",

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doi = "10.1038/s41467-024-53581-y",

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T1 - Non-Amontons frictional behaviors of grain boundaries at layered material interfaces

AU - Song, Yiming

AU - Gao, Xiang

AU - Pawlak, Rémy

AU - Huang, Shuyu

AU - Hinaut, Antoine

AU - Glatzel, Thilo

AU - Hod, Oded

AU - Urbakh, Michael

AU - Meyer, Ernst

PY - 2024/12

Y1 - 2024/12

N2 - Against conventional wisdom, corrugated grain boundaries in polycrystalline graphene, grown on Pt(111) surfaces, are shown to exhibit negative friction coefficients and non-monotonic velocity dependence. Using combined experimental, simulation, and modeling efforts, the underlying energy dissipation mechanism is found to be dominated by dynamic buckling of grain boundary dislocation protrusions. The revealed mechanism is expected to appear in a wide range of polycrystalline two-dimensional material interfaces, thus supporting the design of large-scale dry superlubric contacts.

AB - Against conventional wisdom, corrugated grain boundaries in polycrystalline graphene, grown on Pt(111) surfaces, are shown to exhibit negative friction coefficients and non-monotonic velocity dependence. Using combined experimental, simulation, and modeling efforts, the underlying energy dissipation mechanism is found to be dominated by dynamic buckling of grain boundary dislocation protrusions. The revealed mechanism is expected to appear in a wide range of polycrystalline two-dimensional material interfaces, thus supporting the design of large-scale dry superlubric contacts.

UR - http://www.scopus.com/inward/record.url?scp=85208290685&partnerID=8YFLogxK

U2 - 10.1038/s41467-024-53581-y

DO - 10.1038/s41467-024-53581-y

M3 - مقالة

C2 - 39488520

SN - 2041-1723

VL - 15

JO - Nature Communications

JF - Nature Communications

IS - 1

M1 - 9487

ER -

Non-Amontons frictional behaviors of grain boundaries at layered material interfaces

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