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

J Guo, C Xiao, J Gao, G Li, H Wu, L Chen, L Qian - Tribology International, 2021 - Elsevier
Mechanical activation in mechanical removal of GaN using diamond tip and
mechanochemical removal using Al 2 O 3 tip are described by the Archard equation and …

Deformation anisotropy of nano-scratching on C-plane of sapphire: A molecular dynamics study and experiment

J Lin, F Jiang, Q Wen, Y Wu, J Lu, Z Tian… - Applied Surface Science, 2021 - Elsevier
Sapphire is a typical anisotropic material due to its unique crystal structure. The study on the
influence of anisotropy on the deformation mechanism has significance in guiding the …

Molecular dynamics study on deformation behaviour of monocrystalline GaN during nano abrasive machining

Y Wang, S Tang, J Guo - Applied Surface Science, 2020 - Elsevier
Molecular dynamics simulations are carried out to investigate the nano abrasive machining
of monocrystalline gallium nitride (GaN). Effects of the cutting velocity, depth of cut (DOC) …

Investigation on nano-grinding process of GaN using molecular dynamics simulation: Nano-grinding parameters effect

P Zhao, X Gao, B Zhao, S Wang, D Zhang, X Wu… - Journal of Manufacturing …, 2023 - Elsevier
Nano-grinding is an essential step in ultra-precision machining for brittle material
semiconductor workpieces in order to improve the surface quality and preserve strength …

A distinctive material removal mechanism in the diamond grinding of (0001)-oriented single crystal gallium nitride and its implications in substrate manufacturing of …

Y Wu, Q Rao, Z Qin, S Tan, G Huang, H Huang… - International Journal of …, 2024 - Elsevier
Single crystal gallium nitride (GaN) substrates are highly demanded for fabricating
advanced optoelectronic devices. It is thus essential to develop high efficiency machining …

Effects of surface texturing on nanotribological properties and subsurface damage of monocrystalline GaN subjected to scratching investigated using molecular …

J Guo, J Chen, Y Lin, Z Liu, Y Wang - Applied Surface Science, 2021 - Elsevier
Surface nanotribological properties and subsurface damage of flat and textured gallium
nitride (GaN) substrates during both linear and circular nanoscratching processes are …

Unveiling the effect of crystal orientation on gallium nitride cutting through MD simulation

Y Wang, S Zhang, H Xia, Y Wu, H Huang - International Journal of …, 2023 - Elsevier
Gallium nitride (GaN) is a hard and brittle single crystal and shaping it into thin substrates for
semiconductor applications is challenging. The quality of the machined surface can vary …

Surface quality and material removal rate in nanoscale micro-laser aided polishing on AlN monocrystal via thermal effect

TT Do, TH Fang - Tribology International, 2024 - Elsevier
Monocrystalline AlN is a hard-brittle material. Thus, much focus has been on finding ways to
treat it efficiently while minimizing damage. This work uses the molecular dynamics …

[HTML][HTML] Atomistic understanding of scratching-induced material attrition of wurtzite single-crystal AlN using nanoscale diamond abrasive

J Guo, S Tan, C Xiao - Tribology International, 2022 - Elsevier
The scratching-induced material removal behavior and mechanism of single-crystal AlN
using single diamond abrasive were studied at atomic level through molecular dynamics …

Atomic-scale simulations of constant-load scratching of gallium nitride under monolayer graphene lubrication

S Zhang, H Dai - Diamond and Related Materials, 2024 - Elsevier
Reducing the friction and wear of nanodevices are the key to improve the performance of
micro/nanoelectromechanical systems (M/NMES). In this paper, a gallium nitride (GaN) …