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 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.
Electrochemical Systems01:24

Electrochemical Systems

Electrochemical systems provide a fascinating insight into the dynamic interplay of charged species within various phases. One notable example is the interaction between a membrane permeable to K⁺ ions but not to Cl⁻ ions, separating an aqueous KCl solution from pure water. As K⁺ ions diffuse through the membrane, they generate net charges on each phase, leading to a potential difference between them.Similarly, when a piece of Zn is immersed in an aqueous ZnSO₄ solution, the Zn metal, composed...
The Electrical Double Layer01:30

The Electrical Double Layer

In the region where two bulk phases meet, an intricate electric charge distribution arises due to charge transfer, ion adsorption, molecular orientation, and charge distortion. This complex distribution is commonly referred to as the electrical double layer.When a solid electrode interfaces with ions in an electrolyte solution, the speed of electron transfer dictates the rates of oxidation and reduction. The electrode acquires a charge through the escape of atoms into the solution as cations or...

You might also read

Related Articles

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

Sort by
Same author

Superconducting Berry Curvature Dipole.

Physical review letters·2026
Same author

Correlated quantum shift vector of particle-hole excitations.

Nature communications·2026
Same author

Orbital longitudinal magnetoelectric coupling in rhombohedral multilayer graphene.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Roadmap for Photonics with 2D Materials.

ACS photonics·2025
Same author

Author Correction: Terahertz photocurrent probe of quantum geometry and interactions in magic-angle twisted bilayer graphene.

Nature materials·2025
Same author

Terahertz photocurrent probe of quantum geometry and interactions in magic-angle twisted bilayer graphene.

Nature materials·2025

Related Experiment Video

Updated: May 10, 2026

Development of a 3D Graphene Electrode Dielectrophoretic Device
11:15

Development of a 3D Graphene Electrode Dielectrophoretic Device

Published on: June 22, 2014

11.9K

Antiscreening and Nonequilibrium Layer Electric Phases in Graphene Multilayers.

Ying Xiong1, Mark S Rudner2, Justin C W Song1

  • 1Division of Physics and Applied Physics, School of Physical and Mathematical Sciences, <a href="https://ror.org/02e7b5302">Nanyang Technological University</a>, Singapore 637371, Singapore.

Physical Review Letters
|October 11, 2024
PubMed
Summary

Photoexcitation transforms electric field screening into antiscreening in multilayer graphene. This light-induced effect creates novel quantum states, enabling ferroelectriclike behavior without external fields.

More Related Videos

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities
11:42

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities

Published on: July 24, 2015

15.4K
Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection
07:51

Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection

Published on: February 1, 2022

3.2K

Related Experiment Videos

Last Updated: May 10, 2026

Development of a 3D Graphene Electrode Dielectrophoretic Device
11:15

Development of a 3D Graphene Electrode Dielectrophoretic Device

Published on: June 22, 2014

11.9K
Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities
11:42

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities

Published on: July 24, 2015

15.4K
Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection
07:51

Development and Functionalization of Electrolyte-Gated Graphene Field-Effect Transistor for Biomarker Detection

Published on: February 1, 2022

3.2K

Area of Science:

  • Condensed Matter Physics
  • Quantum Materials Science
  • Materials Science

Background:

  • Screening, the reduction of electric fields within materials due to charge polarization, is a fundamental property.
  • Understanding electric field dynamics in layered materials is crucial for novel electronic applications.

Purpose of the Study:

  • To investigate the impact of photoexcitation on electric field screening in multilayer graphene.
  • To explore the possibility of achieving electric field amplification (antiscreening) and other nonequilibrium screening regimes.

Main Methods:

  • Utilizing photoexcitation as a control mechanism to modulate charge polarization.
  • Analyzing the resulting electric field strengths and polarization states in multilayer graphene under varying light intensities.
  • Observing the emergence of light-induced ferroelectriclike states.

Main Results:

  • Photoexcitation induces a transition from conventional screening to antiscreening (electric field amplification) in multilayer graphene.
  • Multiple nonequilibrium screening regimes, including near-zero screening, antiscreening, and overscreening, were accessed by tuning photoexcitation intensity.
  • Stable, light-induced ferroelectriclike states with nonvanishing polarization and band gaps were observed even without an external electric field.

Conclusions:

  • Photoexcitation offers a powerful tool to dynamically control electric field screening in multilayer graphene.
  • The study reveals a novel paradigm of dynamical quantum matter with potential for creating new broken symmetry phases.
  • This work opens avenues for exploring light-controllable electronic properties and emergent phenomena in quantum materials.