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 Experiment Video

Updated: Jul 2, 2026

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices
11:24

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

Published on: July 11, 2025

Electron beam supercollimation in graphene superlattices.

Cheol-Hwan Park1, Young-Woo Son, Li Yang

  • 1Department of Physics, University of California at Berkeley, Berkeley, California 94720, USA.

Nano Letters
|August 30, 2008
PubMed
Summary

Researchers demonstrate collimated electron beams in graphene using periodic potentials, mimicking optical principles. This breakthrough enables wave-like electron propagation without external fields, advancing graphene electronics.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Raman spectral unmixing for quantitative analysis of multicomponent amino acid mixtures.

Analytical and bioanalytical chemistry·2026
Same author

Exploring CHO cell stability during prolonged passaging via eXplainable AI driven flux balance analysis.

NPJ systems biology and applications·2026
Same author

Lippmann-Schwinger Approach for Accurate Photoelectron Wave Functions and Angle-Resolved Photoemission Spectra from First Principles.

Physical review letters·2025
Same author

Plasmon-Phonon Hybridization in Doped Semiconductors from First Principles.

Physical review letters·2024
Same author

Nonlinear Hall Effect from Long-Lived Valley-Polarizing Relaxons.

Physical review letters·2024
Same author

Data-driven prediction models for forecasting multistep ahead profiles of mammalian cell culture toward bioprocess digital twins.

Biotechnology and bioengineering·2023

Area of Science:

  • Condensed Matter Physics
  • Materials Science
  • Quantum Electronics

Background:

  • Importing optical concepts to electronics is an active research area.
  • Collimating electron beams without spreading or diffraction is a long-standing goal.
  • Graphene's unique electronic properties offer potential for novel device functionalities.

Purpose of the Study:

  • To achieve ballistic propagation of electron beams in graphene.
  • To demonstrate electron beam collimation without waveguides or magnetic fields.
  • To explore the creation of novel chiral quasi-one-dimensional metallic states.

Main Methods:

  • Applying experimentally feasible one-dimensional external periodic potentials to graphene.
  • Investigating the behavior of charge carriers under superlattice potentials.

More Related Videos

Fabrication of Monolayer Graphene-Coated Grids for Cryoelectron Microscopy
06:53

Fabrication of Monolayer Graphene-Coated Grids for Cryoelectron Microscopy

Published on: September 8, 2023

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

Related Experiment Videos

Last Updated: Jul 2, 2026

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices
11:24

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

Published on: July 11, 2025

Fabrication of Monolayer Graphene-Coated Grids for Cryoelectron Microscopy
06:53

Fabrication of Monolayer Graphene-Coated Grids for Cryoelectron Microscopy

Published on: September 8, 2023

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

  • Analyzing the resulting electronic states and propagation characteristics.

    • Main Results:

    • Achieved ballistic electron beam propagation with minimal spatial spreading and diffraction.
    • Demonstrated collimation without external magnetic fields or waveguides.
    • Observed a novel chiral quasi-one-dimensional metallic state due to potential-induced collapse of carrier chirality.

    Conclusions:

    • Graphene, under specific periodic potentials, can exhibit optical-like electron beam collimation.
    • This method provides a new route to construct chiral one-dimensional states in 2D materials.
    • Findings are promising for developing advanced graphene-based electronic devices for information processing.