Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Characteristics of Dry Friction01:21

Characteristics of Dry Friction

883
Dry friction occurs when two solid surfaces slide against each other without any lubrication or fluid present. It causes resistance when pushing objects along a surface, like a gardener pushing a wheelbarrow. The force applied to move the cart causes dry friction between the wheel and the ground.
Before the wheelbarrow starts moving, the static frictional force acts tangentially to the contact surface, opposing the force that is about to induce the motion. This frictional force prevents the...
883
Design Example: Deciding Thickness of Lubricating Fluid in a Shaft01:23

Design Example: Deciding Thickness of Lubricating Fluid in a Shaft

240
Effective lubrication between a rotating shaft and its bearing housing is essential in rotating machinery to minimize friction, wear, and energy loss. With carefully controlled thickness and viscosity, the lubricant layer prevents metal-to-metal contact, ensuring smooth operation.
To calculate the required thickness of the lubricant layer, the tangential velocity at the shaft's surface must first be determined. This velocity is calculated by converting the rotational speed to angular velocity...
240
Frictional Force01:07

Frictional Force

9.3K
When a body is in motion, it encounters resistance because the body interacts with its surroundings. This resistance is known as friction, a common yet complex force whose behavior is still not completely understood. Friction opposes relative motion between systems in contact, but also allows us to move. Friction arises in part due to the roughness of surfaces in contact. For one object to move along a surface, it must rise to where the peaks of the surface can skip along the bottom of the...
9.3K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

View density enhancement in super multi-view display using polarization-multiplexed focal-shifted cylindrical metalens arrays.

Optics letters·2026
Same author

Mechanochemistry at Nanoscale Metallic Contacts: How Stress and Voltage Drive Tribopolymerization.

ACS applied materials & interfaces·2025
Same author

Electrically Reconfigurable Plasmonic Metasurfaces Based on Phase-Change Materials Sb<sub>2</sub>S<sub>3</sub>.

Nano letters·2025
Same author

Ferroelectric Tunable Nonvolatile Polarization Detection Based on 2H α-In<sub>2</sub>Se<sub>3</sub>.

ACS applied materials & interfaces·2025
Same author

Room-Temperature Exciton Polaritons in Monolayer WS<sub>2</sub> Enabled by Plasmonic Bound States in the Continuum.

Nano letters·2025
Same author

High-Throughput Formation of 3D van der Waals Auto-Kirigami.

Nano letters·2025
Same journal

Erratum: Bacterial Turbulence at Compressible Fluid Interfaces [Phys. Rev. Lett. 136, 138301 (2026)].

Physical review letters·2026
Same journal

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders.

Physical review letters·2026
Same journal

Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols.

Physical review letters·2026
Same journal

Topological Transition and Emergence of Elasticity of Dislocation in Skyrmion Lattice: Beyond Kittel's Magnetic-Polar Analogy.

Physical review letters·2026
Same journal

Pound-Drever-Hall Method for Superconducting-Qubit Readout.

Physical review letters·2026
Same journal

Coupling a ^{73}Ge Nuclear Spin to an Electrostatically Defined Quantum Dot in Silicon.

Physical review letters·2026
See all related articles

Related Experiment Video

Updated: Dec 14, 2025

Residue-Free Fabrication of van der Waals Heterostructures of Two-Dimensional Materials
04:57

Residue-Free Fabrication of van der Waals Heterostructures of Two-Dimensional Materials

Published on: July 18, 2025

809

Characterization of a Microscale Superlubric Graphite Interface.

Kunqi Wang1,2, Cangyu Qu2,3,4, Jin Wang2,4

  • 1State Key Laboratory of Tribology & Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China.

Physical Review Letters
|July 24, 2020
PubMed
Summary
This summary is machine-generated.

Researchers developed a pick-and-flip technique to separate surfaces of layered materials. This method revealed that incommensurate monocrystalline surfaces enable structural superlubricity, while external defects increase friction.

More Related Videos

Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes
13:57

Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes

Published on: December 24, 2014

14.3K
Optimized Fabrication Procedure for High-Quality Graphene-based Moir&#233; Superlattice Devices
11:24

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices

Published on: July 11, 2025

13.5K

Related Experiment Videos

Last Updated: Dec 14, 2025

Residue-Free Fabrication of van der Waals Heterostructures of Two-Dimensional Materials
04:57

Residue-Free Fabrication of van der Waals Heterostructures of Two-Dimensional Materials

Published on: July 18, 2025

809
Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes
13:57

Preparation and Friction Force Microscopy Measurements of Immiscible, Opposing Polymer Brushes

Published on: December 24, 2014

14.3K
Optimized Fabrication Procedure for High-Quality Graphene-based Moir&#233; Superlattice Devices
11:24

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices

Published on: July 11, 2025

13.5K

Area of Science:

  • Materials Science
  • Tribology
  • Nanotechnology

Background:

  • Understanding solid-solid interfaces is crucial for predicting mechanical, physical, and electrical properties.
  • Structural superlubricity, characterized by near-zero friction, is highly sensitive to interface structure.

Purpose of the Study:

  • To develop a technique for separating microscale contact pairs of van der Waals layered materials.
  • To characterize the interface structure of graphite superlubric contacts at atomic resolution.
  • To investigate the structure-property relationship governing structural superlubricity.

Main Methods:

  • A controllable pick-and-flip technique was employed to separate microscale contact pairs.
  • Atomic-level imaging and characterization of the separated graphite surfaces.
  • Friction measurements combined with atomistic molecular dynamics simulations.

Main Results:

  • The technique allowed characterization of graphite superlubric interfaces from microscale to atomic resolution.
  • Direct imaging confirmed the superlubric interface comprises two incommensurate monocrystalline surfaces.
  • Internal structural defects had negligible impact on friction, whereas external defects significantly increased friction.

Conclusions:

  • The study provides direct evidence of the atomic structure responsible for structural superlubricity in graphite.
  • External defects are identified as the primary cause of increased friction, not internal structures.
  • Findings offer insights into highly oriented pyrolytic graphite and guide the design of superlubricity-based devices.