The friction and wear behavior of materials are not intrinsic properties, but extrinsic
properties; in other words, they can drastically vary depending on test and environmental …

Surficial water adsorption and interfacial water condensation as natural phenomena that can
alter the contact status of the solid interface and tribological performances are crucial in all …

Silicon (Si) dominates the integrated circuit (IC), semiconductor, and microelectronic
industries. However, it is a challenge to achieve a sub-angstrom surface of Si. Chemical …

The isotherm thickness and hydrogen-bonding interactions of water layers adsorbed on
hydrophilic and hydrophobic surfaces were quantified and compared. The hydrophilic and …

Chemical mechanical polishing (CMP) is widely used to achieve an atomic surface globally,
yet its cross-scale polishing mechanisms are elusive. Moreover, traditional CMP normally …

Wear of sliding contacts causes device failure and energy costs; however, the microscopic
principle in activating wear of the interfaces under stress is still open. Here, the typical …

Molecular dynamics (MD) simulations with the ReaxFF reactive force field were carried out
to find the atomistic mechanisms for tribochemical reactions occurring at the sliding interface …

Elastic emission machining (EEM) is one of the most effective technologies for obtaining
ultra-smooth surface. The polishing particle is supplied to a specific position on the …

Graphene has been widely applied to assemble antiwear coatings due to its ultrahigh
mechanical strength and intrinsically lubricating properties; however, the ubiquitous atomic …

Capillary adhesion due to water adsorption from the air can contribute to friction, especially
for smooth interfaces in humid environments. We show that for multiasperity (naturally …