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

π Electron Effects on Chemical Shift: Aromatic and Antiaromatic Compounds01:14

π Electron Effects on Chemical Shift: Aromatic and Antiaromatic Compounds

2.1K
In aromatic compounds, such as benzene, the circulation of (4n + 2) π-electrons sets up a diamagnetic or diatropic ring current around the perimeter of the molecule. This current induces a magnetic field that opposes the external field inside the ring and reinforces it on the outside. The protons in benzene are deshielded and exhibit high chemical shifts in the range 6.5–8.5 ppm. The shielding effect at the center of the ring is evident in complex aromatic molecules, such as...
2.1K
Valence Bond Theory02:42

Valence Bond Theory

11.9K
Coordination compounds and complexes exhibit different colors, geometries, and magnetic behavior, depending on the metal atom/ion and ligands from which they are composed. In an attempt to explain the bonding and structure of coordination complexes, Linus Pauling proposed the valence bond theory, or VBT, using the concepts of hybridization and the overlapping of the atomic orbitals. According to VBT, the central metal atom or ion (Lewis acid) hybridizes to provide empty orbitals of suitable...
11.9K
The Pauli Exclusion Principle03:06

The Pauli Exclusion Principle

62.2K
The arrangement of electrons in the orbitals of an atom is called its electron configuration. We describe an electron configuration with a symbol that contains three pieces of information:
62.2K
Atomic Nuclei: Nuclear Spin State Overview01:03

Atomic Nuclei: Nuclear Spin State Overview

2.3K
NMR-active nuclei have energy levels called 'spin states' that are associated with the orientations of their nuclear magnetic moments. In the absence of a magnetic field, the nuclear magnetic moments are randomly oriented, and the spin states are degenerate. When an external magnetic field is applied, the spin states have only 2 + 1 orientations available to them. A proton with = ½ has two available orientations. Similarly, for a quadrupolar nucleus with a nuclear spin value of one, the...
2.3K
Electric Field of a Charged Disk01:23

Electric Field of a Charged Disk

3.6K
The simplest case of a surface charge distribution is the uniformly charged disk. Calculating its electric field also helps us calculate the electric field of a large plane of charge.
The system's symmetry is in the cylindrical directions across the plane of the charge. As a result, the electric fields created by various surface charge elements nullify each other in the direction parallel to the surface. Thereby, the resulting electric field is perpendicular to the plane. Since the disk is...
3.6K
Quantum Numbers02:43

Quantum Numbers

54.8K
It is said that the energy of an electron in an atom is quantized; that is, it can be equal only to certain specific values and can jump from one energy level to another but not transition smoothly or stay between these levels.
54.8K

You might also read

Related Articles

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

Sort by
Same author

Expression of concern: "Protective effects of propofol against whole cerebral ischemia/reperfusion injury in rats through the inhibition of the apoptosis-inducing factor pathway" [Brain Res. 1644 (2016) 9-14].

Brain research·2026
Same author

Role of COL1A1 and CD44 in Modulating JAK1/STAT3-Mediated Autophagy for Spinal Cord Injury Recovery.

The Kaohsiung journal of medical sciences·2025
Same author

Mechanism validation of recuperating lung decoction for COPD: Targeting the TLR4/PI3K/Akt/mTOR signaling pathway to mitigate smoke- and LPS-induced pulmonary inflammation.

Journal of ethnopharmacology·2025
Same author

Mechanisms and Efficacy of Chinese Herbal Medicines in Benign Prostatic Hyperplasia.

Chinese journal of integrative medicine·2024
Same author

Safety and immunogenicity of heterologous boosting with a bivalent SARS-CoV-2 mRNA vaccine (XBB.1.5/BQ.1) in Chinese participants aged 18 years or more: A randomised, double-blinded, active-controlled phase 1 trial.

Vaccine·2024
Same author

Safety and immunogenicity of primary vaccination with a SARS-CoV-2 mRNA vaccine (SYS6006) in Chinese participants aged 18 years or more: Two randomized, observer-blinded, placebo-controlled and dose-escalation phase 1 clinical trials.

Human vaccines & immunotherapeutics·2023

Related Experiment Video

Updated: Apr 18, 2026

Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots
15:47

Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots

Published on: November 1, 2013

17.2K

Spin and charge Nernst effect in a four-terminal quantum dot ring.

Xi Yang1, Jun Zheng, Chun-Lei Li

  • 1Department of Physics and State Key Laboratory of Low-Dimensional Quantum Physics, Tsinghua University, Beijing 100084, People's Republic of China. Collaborative Innovation Center of Quantum Matter, Beijing, People's Republic of China.

Journal of Physics. Condensed Matter : an Institute of Physics Journal
|January 29, 2015
PubMed
Summary

Researchers explored the spin Nernst effect in quantum dot rings. They found Rashba spin-orbit interaction enables pure spin currents, enhanced by Coulomb blockade, suggesting potential for thermoelectric generators.

More Related Videos

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

10.5K
Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection
12:57

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection

Published on: October 13, 2017

9.7K

Related Experiment Videos

Last Updated: Apr 18, 2026

Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots
15:47

Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots

Published on: November 1, 2013

17.2K
Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

10.5K
Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection
12:57

Resonance Fluorescence of an InGaAs Quantum Dot in a Planar Cavity Using Orthogonal Excitation and Detection

Published on: October 13, 2017

9.7K

Area of Science:

  • Condensed matter physics
  • Quantum electronics

Background:

  • The Nernst effect, a thermoelectric phenomenon, is crucial for understanding heat-to-charge conversion.
  • Quantum dot (QD) devices offer tunable platforms for exploring fundamental physics and novel functionalities.

Purpose of the Study:

  • Investigate the spin and charge Nernst effect in a four-terminal QD ring.
  • Explore the role of Rashba spin-orbit interaction (RSOI) and magnetic fields.
  • Assess the impact of intra-dot Coulomb blockade on thermoelectric properties.

Main Methods:

  • Utilized the Keldysh nonequilibrium Green's function technique.
  • Modeled a four-terminal quantum dot ring device.
  • Incorporated Rashba spin-orbit interaction and magnetic flux.

Main Results:

  • Demonstrated that RSOI is essential for the pure spin Nernst effect under thermal bias.
  • Showed that spin currents can be controlled by RSOI and magnetic flux.
  • Observed significant enhancement (over two times) of the Nernst coefficient due to Coulomb blockade.

Conclusions:

  • The QD ring device with RSOI can generate pure spin currents without magnetic fields or ferromagnetic materials.
  • The device shows potential as a tunable thermoelectric generator.
  • Coulomb blockade plays a significant role in enhancing thermoelectric performance.