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

Carrier Transport01:21

Carrier Transport

The generation of electrical current in semiconductors is fundamentally driven by two mechanisms: drift and diffusion. These processes are essential for the functionality and performance of semiconductor-based devices.
Drift Current:
The drift of charge carriers is started by an external electric field (E). Charged particles, such as electrons and holes, experience an acceleration between collisions with lattice atoms. For electrons, this results in a drift velocity (vd) given by:
Semiconductors01:22

Semiconductors

There is variation in the electrical conductivity of materials - metals, semiconductors, and insulators that are showcased with the help of the energy band diagrams.
Metals such as copper (Cu), zinc (Zn), or lead (Pb) have low resistivity and feature conduction bands that are either not fully occupied or overlap with the valence band, making a bandgap non-existent. This allows electrons in the highest energy levels of the valence band to easily transition to the conduction band upon gaining...
Protein Diffusion in the Membrane01:24

Protein Diffusion in the Membrane

Proteins show rotational as well as lateral diffusion across the membrane. The lateral diffusion of proteins was confirmed through the cell fusion experiment where mouse and human cells were fused, resulting in hybrid cells. When the human and mouse cells fused, the specific membrane proteins on human and mouse cells were marked with the red and green-fluorescent markers, respectively. Initially, the red and green fluorescence was located on the respective hemisphere of the cell. As time...
Membrane Asymmetry Regulating Transporters01:19

Membrane Asymmetry Regulating Transporters

Enzymes like flippase, floppase, and scramblase transfer phospholipids from one layer to another in the membrane, thereby affecting membrane asymmetry.
Flippase
Eukaryotic flippases are type-IV P-type ATPases or P4-ATPases belonging to P-type ATPase family proteins that are membrane-bound pumps involved in the ATP-mediated transport of ions and molecules across the membrane. Flippases flip specific phospholipids from the outer to the inner leaflet of a membrane. All P4-ATPases have one...
Fermi Level Dynamics01:12

Fermi Level Dynamics

The vacuum level denotes the energy threshold required for an electron to escape from a material surface. It is usually positioned above the conduction band of a semiconductor and acts as a benchmark for comparing electron energies within various materials.
Electron affinity in semiconductors refers to the energy gap between the minimum of its conduction band and the vacuum level and it is a critical parameter in determining how easily a semiconductor can accept additional electrons.
The work...
The Electrical Double Layer01:30

The Electrical Double Layer

In the region where two bulk phases meet, an intricate electric charge distribution arises due to charge transfer, ion adsorption, molecular orientation, and charge distortion. This complex distribution is commonly referred to as the electrical double layer.When a solid electrode interfaces with ions in an electrolyte solution, the speed of electron transfer dictates the rates of oxidation and reduction. The electrode acquires a charge through the escape of atoms into the solution as cations or...

You might also read

Related Articles

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

Sort by
Same author

The effect of disorder in superfluid double layer graphene.

Journal of physics. Condensed matter : an Institute of Physics journal·2011
Same author

A path integral study of the role of correlation in exchange coupling of spins in double quantum dots and optical lattices.

Journal of physics. Condensed matter : an Institute of Physics journal·2011
Same author

A randomized, placebo-controlled trial of granulocyte-macrophage colony-stimulating factor and nucleoside analogue therapy in AIDS.

The Journal of infectious diseases·2000
Same author

Phase III study of granulocyte-macrophage colony-stimulating factor in advanced HIV disease: effect on infections, CD4 cell counts and HIV suppression. Leukine/HIV Study Group.

AIDS (London, England)·2000
Same author

The safety and efficacy of granulocyte-macrophage colony-stimulating factor (Sargramostim) added to indinavir- or ritonavir-based antiretroviral therapy: a randomized double-blind, placebo-controlled trial.

The Journal of infectious diseases·1999
Same author

Combination therapy with a CD4-CDR3 peptide analog and cyclosporin A to prevent graft-vs-host disease in a MHC-haploidentical bone marrow transplantation model.

Clinical immunology and immunopathology·1998
Same journal

Corrigendum: Shells of charge: a density functional theory for charged hard spheres (2016<i>J. Phys. Condens. Matter</i><b>28</b>244006).

Journal of physics. Condensed matter : an Institute of Physics journal·2026
Same journal

Nuclear spin coherence properties of<sup>151</sup>Eu<sup>3+</sup>and<sup>153</sup>Eu<sup>3+</sup>in a Y<sub>2</sub>O<sub>3</sub>transparent ceramic.

Journal of physics. Condensed matter : an Institute of Physics journal·2026
Same journal

Corrigendum: The Hubbard dimer: a density functional case study of a many-body problem (2015<i>J. Phys.: Condens. Matter</i><b>27</b>393001).

Journal of physics. Condensed matter : an Institute of Physics journal·2026
Same journal

Antibonding-induced counterintuitive thermal transport behavior: A first-principles study of quaternary compounds BaCdXF(X=As,P,Sb).

Journal of physics. Condensed matter : an Institute of Physics journal·2026
Same journal

Topological properties of curved spacetime extended Su-Schrieffer-Heeger model.

Journal of physics. Condensed matter : an Institute of Physics journal·2026
Same journal

Influence of lattice expansion on Cr ferromagnetism in Ce<sub>(1-x)</sub>La<sub>(x)</sub>CrGe<sub>3</sub>compounds revealed by atomic-scale measurements.

Journal of physics. Condensed matter : an Institute of Physics journal·2026
See all related articles

Related Experiment Video

Updated: May 19, 2026

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

Interlayer transport in disordered semiconductor electron bilayers.

Y Kim1, B Dellabetta, M J Gilbert

  • 1Department of Electrical and Computer Engineering, University of Illinois, Urbana, IL 61801, USA.

Journal of Physics. Condensed Matter : an Institute of Physics Journal
|August 14, 2012
PubMed
Summary
This summary is machine-generated.

Material disorder in semiconductor bilayers significantly alters interlayer transport, reducing interaction effects. Achieving exchange-enhanced interlayer transport requires highly ordered materials with long mean free paths.

More Related Videos

Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon
06:57

Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon

Published on: July 17, 2020

Temperature-Controlled Assembly and Characterization of a Droplet Interface Bilayer
10:11

Temperature-Controlled Assembly and Characterization of a Droplet Interface Bilayer

Published on: April 19, 2021

Related Experiment Videos

Last Updated: May 19, 2026

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

Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon
06:57

Theoretical Calculation and Experimental Verification for Dislocation Reduction in Germanium Epitaxial Layers with Semicylindrical Voids on Silicon

Published on: July 17, 2020

Temperature-Controlled Assembly and Characterization of a Droplet Interface Bilayer
10:11

Temperature-Controlled Assembly and Characterization of a Droplet Interface Bilayer

Published on: April 19, 2021

Area of Science:

  • Condensed matter physics
  • Materials science
  • Quantum mechanics

Background:

  • Interlayer transport in semiconductor bilayers is crucial for advanced electronic devices.
  • Understanding the impact of material imperfections on quantum transport is essential.
  • Previous studies have explored ideal bilayer systems, but the role of disorder remains less understood.

Purpose of the Study:

  • To investigate the influence of material disorder on interlayer transport properties in semiconductor bilayers.
  • To elucidate how disorder affects interlayer interactions and transfer characteristics.
  • To determine the conditions necessary for observing phenomena like exchange-enhanced interlayer transport.

Main Methods:

  • Self-consistent quantum transport calculations were employed.
  • The study focused on disordered semiconductor bilayer models.
  • Interlayer transfer characteristics were analyzed under varying disorder levels.

Main Results:

  • Material disorder was found to significantly alter interlayer interactions.
  • Disorder leads to substantial deviations in interlayer transfer characteristics.
  • A decrease and broadening of the tunneling peak were observed due to disorder.
  • The interacting system effectively behaves as a non-interacting system under disorder.

Conclusions:

  • Disorder diminishes the significance of interlayer interactions in semiconductor bilayers.
  • Experimental observation of exchange-enhanced interlayer transport necessitates materials with minimal disorder.
  • A large mean free path, exceeding the system's spatial extent, is crucial for observing such phenomena.