二硒化铌电摩擦界面原子尺度能量耗散的电压调节

IF 6.1 1区工程技术 Q1 ENGINEERING, MECHANICAL Tribology International Pub Date : 2025-04-01 Epub Date: 2025-01-13 DOI:10.1016/j.triboint.2025.110534

Peng Wang , Biquan Su , Xinchen Gao , Weishan Yan , Ruichao Wang , Wangle Xue , Hongli Li , Nong Wang , Zhenbin Gong

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引用次数: 0

摘要

在这项研究中，我们研究了在不同的正偏置电压下观察到的二硒化铌（NbSe2）薄膜摩擦变化的摩擦机制。结果表明，施加正、负偏置电压时，摩擦力和摩擦系数均增大。这些摩擦变化明显受到样品表面静电力的影响，摩擦过程中的电子激发导致能量耗散，最终增加摩擦。这些发现不仅增加了我们对纳米电摩擦界面摩擦现象的理解，而且有助于控制滑动纳米摩擦的能量耗散，使电子控制摩擦成为可能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Voltage regulation of atomic-scale energy dissipation at niobium diselenide electro-friction interface

In this study, we investigated the friction mechanisms behind the observed changes in friction of niobium diselenide (NbSe₂) thin films under varying normal bias voltages. The results show that both the friction force and coefficient of friction (COF) increase with the application of positive and negative bias voltages. These friction changes are significantly affected by the electrostatic force on the sample surface and the electronic excitation during friction leads to energy dissipation, ultimately increasing friction. These findings not only increase our understanding of the interfacial friction phenomenon of nano-electric friction, but also help to control energy dissipation of sliding nanofriction, making electronic control of friction possible.

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来源期刊

Tribology International 工程技术-工程：机械

CiteScore

10.10

自引率

16.10%

发文量

627

审稿时长

35 days

期刊介绍： Tribology is the science of rubbing surfaces and contributes to every facet of our everyday life, from live cell friction to engine lubrication and seismology. As such tribology is truly multidisciplinary and this extraordinary breadth of scientific interest is reflected in the scope of Tribology International. Tribology International seeks to publish original research papers of the highest scientific quality to provide an archival resource for scientists from all backgrounds. Written contributions are invited reporting experimental and modelling studies both in established areas of tribology and emerging fields. Scientific topics include the physics or chemistry of tribo-surfaces, bio-tribology, surface engineering and materials, contact mechanics, nano-tribology, lubricants and hydrodynamic lubrication.