Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

The Electrical Double Layer

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...

IR Absorption Frequency: Delocalization

IR Absorption Frequency: Delocalization

Electron delocalization refers to the distribution of electrons across multiple atoms within a molecule rather than being confined to a single atom or bond. This phenomenon is common in systems with conjugated bonds—structures where alternating single and double bonds allow π-electrons to move freely across the network. The movement of electrons stabilizes the molecule and can affect various chemical properties, including vibrational frequencies observed in IR spectroscopy.
In IR spectroscopy,...

VSEPR Theory and the Effect of Lone Pairs

VSEPR Theory and the Effect of Lone Pairs

Effect of Lone Pairs of Electrons on Molecule Geometry

Debye–Huckel–Onsager Conductance Equation

Debye–Huckel–Onsager Conductance Equation

The Debye-Hückel-Onsager equation is a cornerstone of physical chemistry, providing a method to determine the molar conductance (Λm) and molar conductance at infinite dilution (Λ°m) for uni-univalent electrolytes.Uni-univalent electrolytes are electrolytes that dissociate in solution to produce one cation with a +1 charge and one anion with a –1 charge per formula unit.This equation addresses two crucial phenomena: the asymmetry effect and the electrophoretic effect. According to this equation,...

You might also read

Related Articles

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

Sort by

Same author

One-dimensional proximity superconductivity in the quantum Hall regime.

Nature·2024

Same author

Long-range ballistic transport of Brown-Zak fermions in graphene superlattices.

Nature communications·2020

Same author

Publisher Correction: Control of electron-electron interaction in graphene by proximity screening.

Nature communications·2020

Same author

Control of electron-electron interaction in graphene by proximity screenings.

Nature communications·2020

Same author

Composite super-moiré lattices in double-aligned graphene heterostructures.

Science advances·2020

Same author

Anomalous twin boundaries in two dimensional materials.

Nature communications·2018

Search research articles

Related Experiment Video

Updated: Jul 10, 2026

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities

Published on: July 24, 2015

Weak localization in monolayer and bilayer graphene.

D W Horsell¹, F V Tikhonenko, R V Gorbachev

¹School of Physics, University of Exeter, Stocker Road, Exeter, UK.

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences

|November 21, 2007

Summary

We found evidence of weak localization corrections to conductivity in graphene. Different scattering mechanisms in monolayer and bilayer graphene uniquely influence conductivity, revealing disorder-induced inhomogeneity.

More Related Videos

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices

Published on: July 11, 2025

Advanced Experimental Methods for Low-temperature Magnetotransport Measurement of Novel Materials

Advanced Experimental Methods for Low-temperature Magnetotransport Measurement of Novel Materials

Published on: January 21, 2016

Related Experiment Videos

Last Updated: Jul 10, 2026

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities

Published on: July 24, 2015

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices

Published on: July 11, 2025

Advanced Experimental Methods for Low-temperature Magnetotransport Measurement of Novel Materials

Advanced Experimental Methods for Low-temperature Magnetotransport Measurement of Novel Materials

Published on: January 21, 2016

Area of Science:

Condensed Matter Physics
Materials Science
Nanotechnology

Background:

Weak localization is a quantum interference phenomenon affecting conductivity in disordered conductors.
Graphene's unique electronic properties, such as Dirac cones and valley degeneracy, lead to distinct quantum transport behaviors.
Understanding conductivity corrections is crucial for characterizing graphene's electronic properties and potential applications.

Purpose of the Study:

To experimentally demonstrate and quantify weak localization corrections to conductivity in monolayer and bilayer graphene.
To investigate the influence of inter- and intra-valley elastic scattering on these corrections in the presence of small magnetic fields.
To differentiate the scattering mechanisms in monolayer versus bilayer graphene and highlight the role of disorder.

Main Methods:

Quantitative experimental measurements of conductivity in monolayer and bilayer graphene samples.
Application of small magnetic fields to probe quantum interference effects.
Analysis of conductivity corrections as a function of magnetic field and carrier concentration.

Main Results:

Experimental evidence for weak localization corrections to conductivity was observed in both systems.
Inter- and intra-valley elastic scattering were shown to control the correction in a manner unique to graphene.
A distinct difference in the correction's form was observed between monolayer and bilayer graphene.
The correction was observed even at zero-net carrier concentration, indicating disorder-induced inhomogeneity.

Conclusions:

The interplay between elastic scattering mechanisms uniquely influences weak localization corrections in graphene.
Monolayer and bilayer graphene exhibit distinguishable conductivity correction behaviors due to their differing scattering properties.
Disorder plays a significant role in graphene, inducing inhomogeneity evident even at charge neutrality.