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This research aims to characterize the sub-nanoscale friction behaviors of atomically thin MoS2 under controlled loads.

Probing tribological evolution in atomically thin MoS ₂ at different scales

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This research aims to characterize the sub-nanoscale friction behaviors of atomically thin MoS2 under controlled loads.
Utilized a calibrated atomic force microscope to investigate friction behaviors at sub-nanoscale levels.
Examined the effects of applied load and MoS2 layer thickness on stick-slip motion and strengthening effects.
Analyzed the correlation between slip distance, tip-MoS2 contact area, and load conditions.
The nanoscale strengthening effect increases with applied load but decreases with the number of MoS2 layers.
Slip distance increases with sub-nanoscale stick-slip events at moderate loads but decreases at ultrahigh loads.
Changes in contact area and geometry significantly influence load-dependent stick-slip motion.

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Randomized trial investigates sub-nanoscale friction behaviors in atomically thin MoS2, highlighting its implications for low-friction coatings.

Zeng et al. (2026) studied this question.

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Randomized trial investigates sub-nanoscale friction behaviors in atomically thin MoS2, highlighting its implications for low-friction coatings.