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

Van der Waals Interactions01:24

Van der Waals Interactions

71.4K
Atoms and molecules interact with each other through intermolecular forces. These electrostatic forces arise from attractive or repulsive interactions between particles with permanent, partial, or temporary charges. The intermolecular forces between neutral atoms and molecules are ion–dipole, dipole–dipole, and dispersion forces, collectively known as van der Waals forces.
71.4K
Van der Waals Equation01:10

Van der Waals Equation

6.3K
The ideal gas law is an approximation that works well at high temperatures and low pressures. The van der Waals equation of state (named after the Dutch physicist Johannes van der Waals, 1837−1923) improves it by considering two factors.
First, the attractive forces between molecules, which are stronger at higher densities and reduce the pressure, are considered by adding to the pressure a term equal to the square of the molar density multiplied by a positive coefficient a. Second, the volume...
6.3K
Real Gases: Effects of Intermolecular Forces and Molecular Volume Deriving Van der Waals Equation04:01

Real Gases: Effects of Intermolecular Forces and Molecular Volume Deriving Van der Waals Equation

39.0K
Thus far, the ideal gas law, PV = nRT, has been applied to a variety of different types of problems, ranging from reaction stoichiometry and empirical and molecular formula problems to determining the density and molar mass of a gas. However, the behavior of a gas is often non-ideal, meaning that the observed relationships between its pressure, volume, and temperature are not accurately described by the gas laws.
39.0K
Noncovalent Attractions in Biomolecules02:35

Noncovalent Attractions in Biomolecules

64.9K
Noncovalent attractions are associations within and between molecules that influence the shape and structural stability of complexes. These interactions differ from covalent bonding in that they do not involve sharing of electrons.
Four types of noncovalent interactions are hydrogen bonds, van der Waals forces, ionic bonds, and hydrophobic interactions.
Hydrogen bonding results from the electrostatic attraction of a hydrogen atom covalently bonded to a strong-electronegative atom like oxygen,...
64.9K
Termination of Translation01:44

Termination of Translation

27.7K
The large ribosomal subunit has several important structures essential to translation. These include the peptidyl transferase center (PTC) - which is the site where the peptide bond is formed - and a large, internal, water-filled tube through which the nascent polypeptide moves. This latter structure is called the Peptide Exit Tunnel, and it begins at the PTC and spans the body of the large ribosomal subunit. During translation, as the nascent polypeptide chain is synthesized, it passes through...
27.7K
Termination of Translation01:44

Termination of Translation

6.8K
6.8K

You might also read

Related Articles

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

Sort by
Same author

Vacancy Cluster-Mediated Epitaxial Layer-by-Layer Growth of van der Waals Heterostructures.

ACS nano·2026
Same author

Contemporary Challenges in van der Waals 2D Semiconductors.

ACS nano·2026
Same author

van der Waals Engineering for Discrete Control of Homogeneous and Inhomogeneous Exciton Broadening in Monolayer 2D Semiconductors.

ACS nano·2026
Same author

Phase-Selective Growth of Violet Phosphorus Crystals via Sn-Bi Flux.

ACS nano·2025
Same author

Observation of ν = 5/2 Fractional Quantum Hall Effect in Trilayer Graphene Proximitized by V-Doped WSe<sub>2</sub>.

Advanced materials (Deerfield Beach, Fla.)·2025
Same author

Switching polariton screening in MoS<sub>2</sub> microcavity toward polaritonics.

Science advances·2025

Related Experiment Video

Updated: Jan 31, 2026

Residue-Free Fabrication of van der Waals Heterostructures of Two-Dimensional Materials
04:57

Residue-Free Fabrication of van der Waals Heterostructures of Two-Dimensional Materials

Published on: July 18, 2025

1.1K

Two-Terminal Multibit Optical Memory via van der Waals Heterostructure.

Minh Dao Tran1,2, Hyun Kim1,2, Jun Suk Kim1,2

  • 1Center for Integrated Nanostructure Physics (CINAP), Institute for Basic Science (IBS), Suwon, 16419, Republic of Korea.

Advanced Materials (Deerfield Beach, Fla.)
|December 28, 2018
PubMed
Summary

This study presents a novel two-terminal optical memory device using 2D van der Waals heterostructures. The device achieves high performance with low power consumption, enabling advanced optical memory applications.

Keywords:
hysteresisoptical memorytwo-terminal memoryvan der Waals heterostructures

More Related Videos

Fabricating van der Waals Heterostructures with Precise Rotational Alignment
09:25

Fabricating van der Waals Heterostructures with Precise Rotational Alignment

Published on: July 5, 2019

10.1K
Probe Type II Band Alignment in One-Dimensional Van Der Waals Heterostructures Using First-Principles Calculations
13:56

Probe Type II Band Alignment in One-Dimensional Van Der Waals Heterostructures Using First-Principles Calculations

Published on: October 12, 2019

8.3K

Related Experiment Videos

Last Updated: Jan 31, 2026

Residue-Free Fabrication of van der Waals Heterostructures of Two-Dimensional Materials
04:57

Residue-Free Fabrication of van der Waals Heterostructures of Two-Dimensional Materials

Published on: July 18, 2025

1.1K
Fabricating van der Waals Heterostructures with Precise Rotational Alignment
09:25

Fabricating van der Waals Heterostructures with Precise Rotational Alignment

Published on: July 5, 2019

10.1K
Probe Type II Band Alignment in One-Dimensional Van Der Waals Heterostructures Using First-Principles Calculations
13:56

Probe Type II Band Alignment in One-Dimensional Van Der Waals Heterostructures Using First-Principles Calculations

Published on: October 12, 2019

8.3K

Area of Science:

  • Materials Science
  • Nanotechnology
  • Optoelectronics

Background:

  • 2D van der Waals (vdWs) heterostructures offer unique optoelectronic properties for devices like photodetectors and LEDs.
  • Potential applications include optical memories for image sensing and neuromorphic computing, but face challenges in programming voltage, power consumption, and integration complexity.

Purpose of the Study:

  • To develop a multilevel nonvolatile optical memory device addressing limitations of current technologies.
  • To utilize a two-terminal floating-gate field-effect transistor based on a MoS2/hexagonal boron nitride/graphene heterostructure.

Main Methods:

  • Fabrication of a two-terminal floating-gate field-effect transistor using a MoS2/hexagonal boron nitride/graphene heterostructure.
  • Characterization of the device's optical switching, current levels, endurance, retention time, and programming voltage.

Main Results:

  • The device demonstrates an extremely low off-current (≈10^-14 A) and a high optical switching on/off current ratio (over ≈10^6).
  • Achieved 18 distinct current levels, enabling storage of over four bits of information.
  • Exhibits extended endurance (over ≈10^4 cycles), long retention time (>3.6 × 10^4 s), and a low programming voltage (-10 V).

Conclusions:

  • The developed device offers a promising solution for multilevel nonvolatile optical memory.
  • Paves the way for miniaturization and high-density integration of optical memory devices using vdWs heterostructures.