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

Switching of BJT01:22

Switching of BJT

867
Switching behavior in Bipolar Junction Transistors (BJTs) is a fundamental aspect utilized in various electronic circuits, particularly for digital logic applications like switches and amplifiers. In a typical switching circuit, a BJT alternates between cut-off and saturation modes, corresponding to the "off" and "on" states, respectively, thus behaving like an ideal switch.
Cut-off Mode ("Off" State): In this state, both the emitter-base and collector-base junctions are...
867
Molecular Models02:00

Molecular Models

43.8K
Physical models representing molecular architectures of chemical compounds play essential roles in understanding chemistry. The use of molecular models makes it easier to visualize the structures and shapes of atoms and molecules.
43.8K
Molecular Orbital Theory II03:51

Molecular Orbital Theory II

27.6K
Molecular Orbital Energy Diagrams
27.6K
Molecular Orbital Theory I02:35

Molecular Orbital Theory I

47.7K
Overview of Molecular Orbital Theory
47.7K
Predicting Molecular Geometry02:27

Predicting Molecular Geometry

46.0K
VSEPR Theory for Determination of Electron Pair Geometries
46.0K
Molecular and Ionic Solids02:54

Molecular and Ionic Solids

20.2K
Crystalline solids are divided into four types: molecular, ionic, metallic, and covalent network based on the type of constituent units and their interparticle interactions.
Molecular Solids
Molecular crystalline solids, such as ice, sucrose (table sugar), and iodine, are solids that are composed of neutral molecules as their constituent units. These molecules are held together by weak intermolecular forces such as London dispersion forces, dipole-dipole interactions, or hydrogen bonds, which...
20.2K

You might also read

Related Articles

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

Sort by
Same author

Gradient Electronic Landscapes in van der Waals Heterostructures.

Nano letters·2025
Same author

Systematic investigation of the generation of luminescent emitters in hBN via irradiation engineering.

Scientific reports·2025
Same author

Quantum Transport in Nitrogen-Doped Nanoporous Graphenes.

Small (Weinheim an der Bergstrasse, Germany)·2025
Same author

Electronic properties and circuit applications of networks of electrochemically exfoliated 2D nanosheets.

Nature communications·2025
Same author

Quantitative mapping of smooth topographic landscapes generated using thermal scanning-probe lithography.

Nature protocols·2025
Same author

Unveiling the Miniband Structure of Graphene Moiré Superlattices via Gate-Dependent Terahertz Photocurrent Spectroscopy.

ACS nano·2025

Related Experiment Video

Updated: Feb 7, 2026

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

3.8K

A Graphene-Edge Ferroelectric Molecular Switch.

José M Caridad1, Gaetano Calogero1, Paolo Pedrinazzi1,2

  • 1Center for Nanostructured Graphene (CNG), Department of Micro- and Nanotechnology , Technical University of Denmark , 2800 Kongens Lyngby , Denmark.

Nano Letters
|July 22, 2018
PubMed
Summary
This summary is machine-generated.

Polar molecules on graphene edges show ferroelectricity, switching conductivity and creating bistable graphene devices for novel memory applications.

Keywords:
ferroelectricitygraphene edgeshysteresismemcapacitormolecular switchpolar molecules

More Related Videos

Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies
10:23

Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies

Published on: November 5, 2015

14.5K
Graphene Coatings for Biomedical Implants
13:21

Graphene Coatings for Biomedical Implants

Published on: March 1, 2013

21.8K

Related Experiment Videos

Last Updated: Feb 7, 2026

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

3.8K
Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies
10:23

Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies

Published on: November 5, 2015

14.5K
Graphene Coatings for Biomedical Implants
13:21

Graphene Coatings for Biomedical Implants

Published on: March 1, 2013

21.8K

Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Nanotechnology

Background:

  • Graphene's unique electronic properties are sensitive to surface modifications.
  • Ferroelectricity in molecular systems is crucial for advanced electronic devices.
  • Controlling molecular behavior at nanoscale interfaces is a key challenge.

Purpose of the Study:

  • To investigate ferroelectricity in polar molecules adsorbed on graphene edges.
  • To explore the impact of this ferroelectricity on graphene's electrical properties.
  • To demonstrate a novel memcapacitive device based on this phenomenon.

Main Methods:

  • Adsorption of polar molecules (water, ammonia, nitrogen dioxide) on graphene edges.
  • Application of external electric fields to induce molecular switching.
  • Measurement of graphene bulk conductivity and charge bistability in devices.

Main Results:

  • Polar molecules at graphene edges exhibit reproducible ferroelectric switching.
  • This switching drastically alters graphene conductivity.
  • A large, ambipolar charge bistability is observed in graphene devices.

Conclusions:

  • Ferroelectric molecular switching at graphene edges can be achieved.
  • This system enables the creation of history-dependent memcapacitive devices.
  • The findings open new avenues for nanoscale memory and electronic applications.