Interplay between counter-surface chemistry and mechanical activation in mechanochemical removal of N-faced GaN surface in humid ambient

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成果类型：

期刊论文

作者：

Guo, Jian;Xiao, Chen;Gao, Jian;Li, Gengzhuo;Wu, Hanqiang;...

通讯作者：

Chen Xiao

作者机构：

[Guo, Jian] Univ South China, Sch Mech Engn, Hengyang 421001, Hunan, Peoples R China.

[Chen, Lei; Qian, Linmao; Gao, Jian; Wu, Hanqiang; Xiao, Chen] Southwest Jiaotong Univ, Tribol Res Inst, State Key Lab Tract Power, Chengdu 610031, Sichuan, Peoples R China.

[Xiao, Chen] Adv Res Ctr Nanolithog ARCNL, Sci Pk 106, NL-1098 XG Amsterdam, Netherlands.

[Li, Gengzhuo; Wu, Hanqiang] Southern Univ Sci & Technol, Dept Mech & Energy Engn, Shenzhen 518055, Guangdong, Peoples R China.

通讯机构：

[Chen Xiao] T

Tribology Research Institute, State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu, Sichuan, 610031, PR China<&wdkj&>Advanced Research Center for Nanolithography (ARCNL), Science Park 106, Amsterdam, 1098XG, the Netherlands

语种：

英文

关键词：

Mechanochemical reaction;Mechanical activation;Counter-surface chemistry;GaN

期刊：

Tribology International

ISSN：

0301-679X

年：

2021

卷：

159

页码：

107004

DOI：

10.1016/j.triboint.2021.107004

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51805240, 51991373]; Natural Science Foundation of Hunan provinceNatural Science Foundation of Hunan Province [2019JJ50518]

机构署名：

本校为第一机构

院系归属：

机械工程学院

摘要：

Mechanical activation in mechanical removal of GaN using diamond tip and mechanochemical removal using Al2O3 tip are described by the Archard equation and mechanically assisted Arrhenius-type kinetic model, respectively. Evident material-removal under elastic contact occurs with the assistance of interfacial mechanochemical reactions. By analyzing the mechanochemical reactions with Arrhenius-type kinetic model and Hertzian contact mechanics, the critical activation volume and activation barrier are determined semiquantitatively. The mechanical activation originating from the chemically active ...

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Interplay between counter-surface chemistry and mechanical activation in mechanochemical removal of N-faced GaN surface in humid ambient

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