Interlayer phononic energy dissipation in the friction of graphene layers.

Haolei Dai, Yujin Wang, Zibo Liu, Yonghui Liu, Yuzheng Guo, Dameng Liu

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Article in Science advances, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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6 authors.

Haolei DaiState Key Laboratory of Tribology in Advanced Equipment, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China.ORCID 0009-0008-0657-0617

Yujin WangState Key Laboratory of Tribology in Advanced Equipment, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China.ORCID 0009-0009-1099-8234

Zibo LiuState Key Laboratory of Tribology in Advanced Equipment, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China.ORCID 0000-0002-7547-6535

Yonghui LiuSchool of Information Engineering, East China University of Technology, Nanchang 330013, China.ORCID 0000-0001-6866-9235

Yuzheng GuoSchool of Power and Mechanical Engineering, Wuhan University, Wuhan 430072, China.ORCID 0000-0001-9224-3816

Dameng LiuState Key Laboratory of Tribology in Advanced Equipment, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China.ORCID 0000-0003-1957-4250

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The mechanism of frictional energy dissipation holds notable importance in understanding the physical origins of nanofriction. Here, combining atomic force microscopy and Raman analysis, we confirm the important role of layer breathing modes in the layer-dependent frictional energy dissipation process of graphene layers. Then the LOZO' mode is resonantly enhanced to elucidate the relationship between layer breathing modes and frictional energy dissipation from the perspective of phonon lifetime. The results indicate that phonon lifetime increases with the number of graphene layers, which is consistent with the increased stiffness and re-adjust configuration capability in thicker graphene stacks. Our findings provide compelling experimental evidence for the phononic energy dissipation in the friction of graphene layers, enhancing the understanding of dynamic dissipation processes at frictional interfaces.

Identifiers

PMID40435261

DOI10.1126/sciadv.adu2880

PMCPMC12118635

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