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

897
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...
897
Rotation of Asymmetric Top01:11

Rotation of Asymmetric Top

1.6K
By definition, a spherically symmetric body has the same moment of inertia about any axis passing through its center of mass. This situation changes if there is no spherical symmetry. Since most rigid bodies are not spherically symmetric, these require special treatment.
The relationship between the angular momentum of any rigid body and its angular velocity, both of which are vectors, involves the moment of inertia. The moment of inertia is a scalar quantity only for spherically symmetric...
1.6K
Asymmetric Lipid Bilayer01:35

Asymmetric Lipid Bilayer

10.0K
Biological membranes show uneven distribution of different types of lipids in the inner and outer layers, resulting in transverse asymmetric membranes. The treatment of the erythrocyte membrane with the enzyme phospholipase confirmed the asymmetric nature of the lipid bilayer. The enzyme hydrolyzes lipids into fatty acids and hydrophilic groups. The phospholipase acts only on the outer layer of the membrane, while the inner layer remains intact. The phospholipase treatment resulted in 80%...
10.0K
Standard Electrode Potentials03:02

Standard Electrode Potentials

50.6K
On comparing the reactivity of silver and lead, it is observed that the two ionic species, Ag+ (aq) and Pb2+ (aq), show a difference in their redox reactivity towards copper: the silver ion undergoes spontaneous reduction, while the lead ion does not. This relative redox activity can be easily quantified in electrochemical cells by a property called cell potential. This property is commonly known as cell voltage in electrochemistry, and it is a measure of the energy which accompanies the charge...
50.6K
Reduction of Alkenes: Asymmetric Catalytic Hydrogenation02:17

Reduction of Alkenes: Asymmetric Catalytic Hydrogenation

3.9K
Catalytic hydrogenation of alkenes is a transition-metal catalyzed reduction of the double bond using molecular hydrogen to give alkanes. The mode of hydrogen addition follows syn stereochemistry.
The metal catalyst used can be either heterogeneous or homogeneous. When hydrogenation of an alkene generates a chiral center, a pair of enantiomeric products is expected to form. However, an enantiomeric excess of one of the products can be facilitated using an enantioselective reaction or an...
3.9K
Electrodes: Overview01:17

Electrodes: Overview

2.8K
 Electrochemical measurements are conducted in an electrochemical cell composed of various components that control and measure the current and potential. One fundamental component is electrodes, conductive materials that enable electron transfer reactions at their surfaces.
There are two main types of electrodes in electrochemical cells. The first type, known as the working or indicator electrode, has a potential that is sensitive to the analyte's concentration and reacts to changes in...
2.8K

You might also read

Related Articles

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

Sort by
Same author

Design and fabrication of large-mode-area silica all-solid anti-resonant fiber.

Optics express·2025
Same author

Aluminum-related temperature dependence in erbium-doped fibers: optical loss, laser output power and the mechanism.

Optics express·2025
Same author

Continuously tunable true-time delay lines based on a one-dimensional grating waveguide for beam steering in phased array antennas.

Applied optics·2018
Same author

Broadband tunable filter based on the loop of multimode Bragg grating.

Optics express·2018
Same author

Silicon lateral-apodized add-drop filter for on-chip optical interconnection.

Applied optics·2017
Same author

Bandwidth and wavelength tunable optical passband filter based on silicon multiple microring resonators.

Optics letters·2016

Related Experiment Video

Updated: Feb 15, 2026

Brain Mapping Using a Graphene Electrode Array
10:32

Brain Mapping Using a Graphene Electrode Array

Published on: October 20, 2023

2.4K

Graphene-based nonvolatile terahertz switch with asymmetric electrodes.

Yan Li1,2, Hui Yu3, Xinyu Qiu1

  • 1College of Information Science and Electronics Engineering, Zhejiang University, Hangzhou, 310027, China.

Scientific Reports
|January 26, 2018
PubMed
Summary

We developed a novel nonvolatile terahertz (THz) switch using graphene. This device controls THz signal transmission via trapped charges, offering efficient electrical switching and erasing capabilities.

More Related Videos

Development of a 3D Graphene Electrode Dielectrophoretic Device
11:15

Development of a 3D Graphene Electrode Dielectrophoretic Device

Published on: June 22, 2014

12.5K
Asymmetric Thermoelectrochemical Cell for Harvesting Low-grade Heat under Isothermal Operation
09:09

Asymmetric Thermoelectrochemical Cell for Harvesting Low-grade Heat under Isothermal Operation

Published on: February 5, 2020

7.7K

Related Experiment Videos

Last Updated: Feb 15, 2026

Brain Mapping Using a Graphene Electrode Array
10:32

Brain Mapping Using a Graphene Electrode Array

Published on: October 20, 2023

2.4K
Development of a 3D Graphene Electrode Dielectrophoretic Device
11:15

Development of a 3D Graphene Electrode Dielectrophoretic Device

Published on: June 22, 2014

12.5K
Asymmetric Thermoelectrochemical Cell for Harvesting Low-grade Heat under Isothermal Operation
09:09

Asymmetric Thermoelectrochemical Cell for Harvesting Low-grade Heat under Isothermal Operation

Published on: February 5, 2020

7.7K

Area of Science:

  • Solid State Physics
  • Materials Science
  • Electrical Engineering

Background:

  • Terahertz (THz) technology requires efficient switching devices.
  • Existing THz switches often lack nonvolatility or require complex configurations.

Purpose of the Study:

  • To propose and demonstrate a nonvolatile THz switch.
  • To utilize graphene's unique properties for THz signal modulation.

Main Methods:

  • Fabrication of a THz switch employing a graphene floating-gate layer.
  • Implementation of a left-right electrode configuration with dissimilar work function metals.
  • Exploitation of localized surface plasmon resonances in graphene ribbon arrays.

Main Results:

  • Achieved nonvolatile switching using transient voltage pulses.
  • Demonstrated THz signal transmissivity control through trapped charges in graphene.
  • Obtained an 89% modulation depth by tuning the graphene Fermi level.

Conclusions:

  • The proposed graphene-based THz switch offers efficient, nonvolatile modulation.
  • The device architecture enables both electrical programming and erasing.
  • This technology holds promise for advanced THz applications.