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

Electrostatic Boundary Conditions01:16

Electrostatic Boundary Conditions

Consider an external electric field propagating through a homogeneous medium. When the electric field crosses the surface boundary of the medium, it undergoes a discontinuity. The electric field can be resolved into normal and tangential components. The amount by which the field changes at any boundary is given by the difference between the field components above and below the surface boundary.
The surface integral of an electric field is given by Gauss's law in integral form and is related to...
Magnetostatic Boundary Conditions01:28

Magnetostatic Boundary Conditions

An electric field suffers a discontinuity at a surface charge. Similarly, a magnetic field is discontinuous at a surface current. The perpendicular component of a magnetic field is continuous across the interface of two magnetic mediums. In contrast, its parallel component, perpendicular to the current, is discontinuous by the amount equal to the product of the vacuum permeability and the surface current. Like the scalar potential in electrostatics, the vector potential is also continuous...
Electrostatic Boundary Conditions in Dielectrics01:27

Electrostatic Boundary Conditions in Dielectrics

When an electric field passes from one homogeneous medium to another, crossing the boundary between the two mediums imparts a discontinuity in the electric field. This results in electrostatic boundary conditions that depend on the type of mediums the field propagates through.
Consider a case where both the mediums across a boundary are two different dielectric materials. Recall that the electric field and electric displacement are proportional and related through the material's permittivity.
Boundary Conditions for Current Density01:25

Boundary Conditions for Current Density

Current density becomes discontinuous across an interface of materials with different electrical conductivities. The normal component of the current density is continuous across the boundary.
Superconductor01:24

Superconductor

A substance that reaches superconductivity, a state in which magnetic fields cannot penetrate, and there is no electrical resistance, is referred to as a superconductor. In 1911, Heike Kamerlingh Onnes of Leiden University, a Dutch physicist, observed a relation between the temperature and the resistance of the element mercury. The mercury sample was then cooled in liquid helium to study the linear dependence of resistance on temperature. It was observed that, as the temperature decreased, the...
Electric Field Inside a Conductor01:20

Electric Field Inside a Conductor

When a conductor is placed in an external electric field, the free charges in the conductor redistribute and very quickly reach electrostatic equilibrium. The resulting charge distribution and its electric field have many interesting properties, which can be investigated with the help of Gauss's law.
Suppose a piece of metal is placed near a positive charge. The free electrons in the metal are attracted to the external positive charge and migrate freely toward that region. This region then has...

You might also read

Related Articles

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

Sort by
Same author

Staging and defect-limited intercalation of FeCl<sub>3</sub> in graphite electrodes.

Nature communications·2026
Same author

Toward Hydrogen Isotope Separations through Strong Hydrogen Adsorption at Open Copper(I) Sites in an Ultramicroporous Metal-Organic Framework.

Journal of the American Chemical Society·2026
Same author

Time-frequency synchronization for distributed phase coherent network based on optically carried satellite navigation signals.

Optics express·2026
Same author

Screening air pollutants-related genes to construct a prognostic risk model for lung adenocarcinoma and analyzing its immune microenvironment.

Journal of thoracic disease·2026
Same author

Association between dietary iron intake and pelvic inflammatory disease in women from the US: Findings from the 2013 to 2020 NHANES dataset.

Medicine·2026
Same author

Evolutionary Tracing and Taxonomic Implications of the Mitochondrial Genome of <i>Gephyrocharax atracaudatus</i> (Meek and Hildebrand, 1912).

Biology·2026

Related Experiment Video

Updated: Jun 16, 2026

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys
12:18

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys

Published on: June 27, 2022

Superglide at an internal incommensurate boundary.

Frédéric Lançon1, Jia Ye, Damien Caliste

  • 1Laboratoire de simulation atomistique (L_Sim), SP2M, INAC, CEA, 38054 Grenoble, France. Frederic.Lancon@cea.fr

Nano Letters
|February 11, 2010
PubMed
Summary

Researchers observed supergliding at incommensurate grain boundaries in gold, confirming theoretical predictions. Finite-size effects at edges introduce defects, influencing material deformation and load-displacement behavior.

More Related Videos

Fabrication of Spatially Confined Complex Oxides
08:45

Fabrication of Spatially Confined Complex Oxides

Published on: July 1, 2013

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

Related Experiment Videos

Last Updated: Jun 16, 2026

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys
12:18

Co-localizing Kelvin Probe Force Microscopy with Other Microscopies and Spectroscopies: Selected Applications in Corrosion Characterization of Alloys

Published on: June 27, 2022

Fabrication of Spatially Confined Complex Oxides
08:45

Fabrication of Spatially Confined Complex Oxides

Published on: July 1, 2013

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

Area of Science:

  • Materials Science
  • Solid State Physics
  • Crystallography

Background:

  • Theoretical models predict frictionless gliding (superlubricity) at incommensurate interfaces.
  • Aubry's solution to the Frenkel-Kontorova model provides a basis for understanding this phenomenon in crystalline materials.

Purpose of the Study:

  • To experimentally validate the prediction of supergliding at incommensurate grain boundaries.
  • To investigate the role of finite-size effects and structural defects in superlubricity.
  • To correlate atomistic simulations with experimental observations of material deformation.

Main Methods:

  • Atomistic simulations of gold nanopillars with a root-two incommensurate grain boundary.
  • Quantitative nanoindentation experiments within a transmission electron microscope.
  • Structural analysis of grain boundaries and defect formation.

Main Results:

  • Simulations revealed supergliding behavior at the incommensurate grain boundary, limited by finite-size effects.
  • Edge effects were identified as sources of defects, including stacking faults and dislocations.
  • Experimental observations of nanopillar compression closely matched simulation predictions for structure and load-displacement behavior.

Conclusions:

  • Incommensurate interfaces can exhibit supergliding, consistent with theoretical predictions.
  • Finite-size effects and resulting structural defects at edges significantly influence superlubricity.
  • These findings highlight the potential importance of incommensurate interfaces in the mechanical behavior of polycrystalline materials.