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

Woodward–Hoffmann Selection Rules and Microscopic Reversibility01:34

Woodward–Hoffmann Selection Rules and Microscopic Reversibility

2.2K
Electrocyclic reactions, cycloadditions, and sigmatropic rearrangements are concerted pericyclic reactions that proceed via a cyclic transition state. These reactions are stereospecific and regioselective. The stereochemistry of the products depends on the symmetry characteristics of the interacting orbitals and the reaction conditions. Accordingly, pericyclic reactions are classified as either symmetry-allowed or symmetry-forbidden. Woodward and Hoffmann presented the selection criteria for...
2.2K
Network Covalent Solids02:18

Network Covalent Solids

12.9K
Network covalent solids contain a three-dimensional network of covalently bonded atoms as found in the crystal structures of nonmetals like diamond, graphite, silicon, and some covalent compounds, such as silicon dioxide (sand) and silicon carbide (carborundum, the abrasive on sandpaper). Many minerals have networks of covalent bonds.
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...
12.9K
Imperfections in Crystal Structure: Point, Line and Plane Defects01:25

Imperfections in Crystal Structure: Point, Line and Plane Defects

156
A perfect crystal, in theory, has a uniform structure with the same unit cell and lattice points throughout. However, any deviation from this periodic arrangement is known as an imperfection or defect. These defects can be categorized into three types: point, line, and plane defects.Point defects occur when there is a deviation from the ideal due to missing atoms, displaced atoms, or additional atoms. These imperfections might occur due to imperfect packing during crystallization or because of...
156
Reversible and Irreversible Processes01:14

Reversible and Irreversible Processes

4.3K
The thermodynamic processes can be classified into reversible and irreversible processes. The processes that can be restored to their initial state are called reversible processes. It is only possible if the process is in quasi-static equilibrium, i.e., it takes place in infinitesimally small steps, and the system remains at equilibrium However, these are ideal processes and do not occur naturally. An ideal system undergoing a reversible process is always in thermodynamic equilibrium within...
4.3K

You might also read

Related Articles

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

Sort by
Same author

Sweat Gland Carcinoma of the Lower Eyelid.

Deutsches Arzteblatt international·2026
Same author

Dual-Step Chemical Treatment of Wafer-Scale Metal-Organic Chemical Vapor Deposition Grown Monolayer Molybdenum Disulfides.

ACS nano·2025
Same author

Electroluminescence From a 1D Metal-Organic Chalcogenide Enabled by a Minute-Scale Facile Synthesis.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2025
Same author

Crystalline-to-Crystalline Phase Transition between Germanium Selenide Polymorphs with High Resistance Contrast.

ACS nano·2025
Same author

Energetically Favored One-Dimensional Moiré Superstructure in the Pseudo-Square Lattice GdTe<sub>3</sub>.

ACS nano·2025
Same author

Robust High-Spin State in One-Dimensional CrX<sub>2</sub> (X = Cl, Br, I) at the Single-Chain Limit.

Journal of the American Chemical Society·2025

Related Experiment Video

Updated: May 6, 2026

Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding
14:52

Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding

Published on: September 23, 2018

8.2K

Atomically perfect torn graphene edges and their reversible reconstruction.

Kwanpyo Kim1, Sinisa Coh, C Kisielowski

  • 11] Department of Physics and Center of Integrated Nanomechanical Systems, University of California at Berkeley, and Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA [2].

Nature Communications
|November 2, 2013
PubMed
Summary

Researchers developed a novel method to create atomically perfect graphene edges using a simple ripping technique. This breakthrough offers a reliable way to produce clean graphene terminations for advanced material applications.

More Related Videos

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

13.9K
Advanced Self-Healing Asphalt Reinforced by Graphene Structures: An Atomistic Insight
08:03

Advanced Self-Healing Asphalt Reinforced by Graphene Structures: An Atomistic Insight

Published on: May 31, 2022

4.7K

Related Experiment Videos

Last Updated: May 6, 2026

Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding
14:52

Fabrication of Three-Dimensional Graphene-Based Polyhedrons via Origami-Like Self-Folding

Published on: September 23, 2018

8.2K
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

13.9K
Advanced Self-Healing Asphalt Reinforced by Graphene Structures: An Atomistic Insight
08:03

Advanced Self-Healing Asphalt Reinforced by Graphene Structures: An Atomistic Insight

Published on: May 31, 2022

4.7K

Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Nanotechnology

Background:

  • Graphene edge structure dictates the properties of nanoribbons.
  • Existing methods often result in defective and unpredictable graphene edges.
  • Atomically precise graphene edges are crucial for controlled electronic, magnetic, and chemical functionalities.

Purpose of the Study:

  • To develop a method for fabricating atomically perfect graphene edges.
  • To investigate the atomic structure and dynamics of these fabricated edges.
  • To provide a reliable technique for creating tailored graphene materials.

Main Methods:

  • Electron beam-initiated mechanical rupture (ripping) in high vacuum.
  • Aberration-corrected transmission electron microscopy (TEM) for atomic-scale imaging.
  • Theoretical modeling to understand edge reconstruction dynamics.

Main Results:

  • Fabrication of clean, largely atomically perfect graphene edges in armchair and zigzag orientations.
  • Observation of reversible pentagon-heptagon (5-7) reconstruction at zigzag edges.
  • Experimental and theoretical validation of transition rates between zigzag edge configurations (5-7 and 6-6 states).

Conclusions:

  • Simple mechanical ripping is a highly effective method for producing ideal graphene terminations.
  • This technique enables the creation of atomically tailored graphene for precise experimental studies.
  • The findings facilitate the development of advanced graphene-based devices with predictable properties.