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

Gene Conversion02:08

Gene Conversion

10.7K
Other than maintaining genome stability via DNA repair, homologous recombination plays an important role in diversifying the genome. In fact, the recombination of sequences forms the molecular basis of genomic evolution. Random and non-random permutations of genomic sequences create a library of new amalgamated sequences. These newly formed genomes can determine the fitness and survival of cells. In bacteria, homologous and non-homologous types of recombination lead to the evolution of new...
10.7K
Gene Conversion02:08

Gene Conversion

3.1K
3.1K
Dimensional Analysis03:40

Dimensional Analysis

65.1K
Dimensional analysis, also known as the factor label method, is a versatile approach for mathematical operations. The main principle behind this approach is: the units of quantities must be subjected to the same mathematical operations as their associated numbers. This method can be applied to computations ranging from simple unit conversions to more complex and multi-step calculations involving several different quantities and their units.
Conversion Factors and Dimensional Analysis
The unit...
65.1K
Dimensional Analysis01:27

Dimensional Analysis

683
Dimensional analysis is a valuable technique in fluid mechanics for simplifying complex problems by reducing them into dimensionless groups. These groups capture the essential relationships between the variables involved, allowing researchers and engineers to analyze fluid flow without dealing with each variable individually. This approach reduces the number of independent variables, allowing for easier analysis and better understanding of physical phenomena.
In fluid mechanics, dimensional...
683
Dimensional Analysis01:23

Dimensional Analysis

2.2K
Dimensional analysis is a powerful tool that is used in physics and engineering to understand and predict the behavior of physical systems. The basic idea behind dimensional analysis is to express physical quantities in terms of fundamental dimensions such as the mass, length, and time. Derived dimensions like the velocity, acceleration, and force are derived from the combinations of these fundamental dimensions.
Dimensional analysis allows us to analyze and compare physical quantities on a...
2.2K
Dimensional Analysis02:19

Dimensional Analysis

24.6K
The concept of dimension is important because every mathematical equation linking physical quantities must be dimensionally consistent, implying that mathematical equations must meet the following two rules. The first rule is that, in an equation, the expressions on each side of the equal sign must have the same dimensions. This is fairly intuitive since we can only add or subtract quantities of the same type (dimension). The second rule states that, in an equation, the arguments of any of the...
24.6K

You might also read

Related Articles

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

Sort by
Same author

Layer-Dependent Phonon Polaritons in hBN Resolved by Photo-Induced Force Spectroscopy.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

Field-Effect Transistors from Artificial Charged Domain Walls in Stacked Van der Waals Ferroelectric α-In<sub>2</sub>Se<sub>3</sub>.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

In-sensor analog optoelectronic processing of concurrent event and memory signals for dynamic vision sensing.

Nature communications·2025
Same author

The role of the Niemann-Pick type C2 protein as a sperm-binding protein in honeybees.

Insect biochemistry and molecular biology·2025
Same author

Thermal Radiation Sensors Based on Ionic-Conducting Pectin Films.

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

Opportunities for Nanomaterials in Stretchable and Free-Form Displays.

Small science·2025

Related Experiment Video

Updated: Feb 11, 2026

Free-form Light Actuators &#8212; Fabrication and Control of Actuation in Microscopic Scale
08:17

Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale

Published on: May 25, 2016

9.7K

Converse flexoelectric two-dimensional MoS2 actuator.

Yeageun Lee1,2, Hyung Jong Bae1, Md Farhadul Haque1

  • 1Department of Mechanical Science and Engineering, University of Illinois at Urbana Champaign, Urbana, IL, USA.

Nature Communications
|February 9, 2026
PubMed
Summary

Researchers developed a novel converse flexoelectric actuator using 2D molybdenum disulfide. This nanoscale actuator demonstrates significant displacement, outperforming existing flexoelectric systems, especially under extreme conditions.

More Related Videos

Rapid Manufacturing of Thin Soft Pneumatic Actuators and Robots
08:47

Rapid Manufacturing of Thin Soft Pneumatic Actuators and Robots

Published on: November 8, 2019

8.1K
Microfluidic Preparation of Liquid Crystalline Elastomer Actuators
12:04

Microfluidic Preparation of Liquid Crystalline Elastomer Actuators

Published on: May 20, 2018

9.5K

Related Experiment Videos

Last Updated: Feb 11, 2026

Free-form Light Actuators &#8212; Fabrication and Control of Actuation in Microscopic Scale
08:17

Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale

Published on: May 25, 2016

9.7K
Rapid Manufacturing of Thin Soft Pneumatic Actuators and Robots
08:47

Rapid Manufacturing of Thin Soft Pneumatic Actuators and Robots

Published on: November 8, 2019

8.1K
Microfluidic Preparation of Liquid Crystalline Elastomer Actuators
12:04

Microfluidic Preparation of Liquid Crystalline Elastomer Actuators

Published on: May 20, 2018

9.5K

Area of Science:

  • Materials Science
  • Nanotechnology
  • Electrical Engineering

Background:

  • Converse flexoelectric actuators show promise for applications requiring rapid response and resilience.
  • Flexoelectric effects are minimal in bulk materials but amplified at the nanoscale.
  • Two-dimensional (2D) materials offer unique properties for advanced actuator designs.

Purpose of the Study:

  • To develop and characterize a converse flexoelectric actuator utilizing 2D molybdenum disulfide (MoS2).
  • To investigate the performance of the MoS2-based actuator, particularly its displacement capabilities.
  • To assess the actuator's robustness under various extreme environmental conditions.

Main Methods:

  • Fabrication of a converse flexoelectric actuator using a 2D molybdenum disulfide layer.
  • Excitation of the actuator using alternating current (AC) at approximately 20 kHz.
  • Measurement of actuator displacement and performance under different conditions (vacuum, cryogenic temperatures, cycling).

Main Results:

  • The MoS2-based actuator achieved resonant displacements up to ~45 nm.
  • Displacements were approximately two orders of magnitude larger than the MoS2 layer thickness.
  • Performance exceeded existing flexoelectric actuators by over an order of magnitude when normalized by active layer thickness.
  • The actuator maintained strong flexoelectric responses under vacuum, cryogenic temperatures, and repeated cycling.

Conclusions:

  • 2D molybdenum disulfide is a highly effective material for nanoscale converse flexoelectric actuators.
  • The developed actuator exhibits superior performance and robustness, suitable for extreme environments.
  • This work highlights the potential of 2D materials in advancing flexoelectric actuator technology for diverse applications.