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

Theory of Metallic Conduction01:17

Theory of Metallic Conduction

1.7K
The conduction of free electrons inside a conductor is best described by quantum mechanics. However, a classical model makes predictions close to the results of quantum mechanics. It is called the theory of metallic conduction.
In this theory, Newton's second law of motion is used to determine the acceleration of an electron in the presence of an applied electric field. Then, its velocity is expressed via this acceleration.
An electron moves through the crystal, containing positive ions,...
1.7K
Metallic Solids02:37

Metallic Solids

20.3K
Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability....
20.3K
Valence Bond Theory02:42

Valence Bond Theory

10.9K
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...
10.9K
Trends in Lattice Energy: Ion Size and Charge02:54

Trends in Lattice Energy: Ion Size and Charge

26.3K
An ionic compound is stable because of the electrostatic attraction between its positive and negative ions. The lattice energy of a compound is a measure of the strength of this attraction. The lattice energy (ΔHlattice) of an ionic compound is defined as the energy required to separate one mole of the solid into its component gaseous ions. For the ionic solid sodium chloride, the lattice energy is the enthalpy change of the process:
26.3K
Crystal Field Theory - Octahedral Complexes02:58

Crystal Field Theory - Octahedral Complexes

30.1K
Crystal Field Theory
To explain the observed behavior of transition metal complexes (such as colors), a model involving electrostatic interactions between the electrons from the ligands and the electrons in the unhybridized d orbitals of the central metal atom has been developed. This electrostatic model is crystal field theory (CFT). It helps to understand, interpret, and predict the colors, magnetic behavior, and some structures of coordination compounds of transition metals.
CFT focuses on...
30.1K
Types of Semiconductors01:20

Types of Semiconductors

1.2K
Intrinsic semiconductors are highly pure materials with no impurities. At absolute zero, these semiconductors behave as perfect insulators because all the valence electrons are bound, and the conduction band is empty, disallowing electrical conduction. The Fermi level is a concept used to describe the probability of occupancy of energy levels by electrons at thermal equilibrium. In intrinsic semiconductors, the Fermi level is positioned at the midpoint of the energy gap at absolute zero. When...
1.2K

You might also read

Related Articles

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

Sort by
Same author

Linear momentum of light writes magnetic order.

Nature materials·2026
Same author

Constructing density functional tight-binding parameters for electronic structure modeling of lead-bromide perovskites, perovskitoids, and related structures.

The Journal of chemical physics·2026
Same author

Excitons in van der Waals magnetic materials.

Nature materials·2026
Same author

Emergence of Nonuniform Strain-Induced Exciton Species in Bilayer Transition Metal Dichalcogenides.

ACS nano·2026
Same author

Quantum Confinement Effect in a Heteromorphic PbS/SnS<sub>2</sub> Superlattice Grown by Atomic Layer Deposition.

ACS nano·2026
Same author

Spin excitations near the pressure-induced antiferromagnetic transition in SrCu<sub>2</sub>(BO<sub>3</sub>)<sub>2</sub>.

Journal of applied crystallography·2026

Related Experiment Video

Updated: Dec 26, 2025

Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks
06:53

Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks

Published on: June 9, 2023

2.5K

Electron-phonon-driven three-dimensional metallicity in an insulating cuprate.

Edoardo Baldini1,2, Michael A Sentef3, Swagata Acharya4

  • 1Institute of Physics, Laboratory for Ultrafast Microscopy and Electron Scattering, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland; angel.rubio@mpsd.mpg.de cedric.weber@kcl.ac.uk ebaldini@mit.edu.

Proceedings of the National Academy of Sciences of the United States of America
|March 13, 2020
PubMed
Summary

The crystal lattice plays a crucial role in the insulator-to-metal transition in cuprates. Lattice vibrations, specifically electron-phonon coupling, drive the breakdown of the insulating state, revealing new pathways for correlated solids.

Keywords:
cuprateselectron–phonon couplinginsulator–metal transitionultrafast optics

More Related Videos

Experimental Methods for Spin- and Angle-Resolved Photoemission Spectroscopy Combined with Polarization-Variable Laser
09:00

Experimental Methods for Spin- and Angle-Resolved Photoemission Spectroscopy Combined with Polarization-Variable Laser

Published on: June 28, 2018

10.3K
Visualizing Uniaxial-strain Manipulation of Antiferromagnetic Domains in Fe1+YTe Using a Spin-polarized Scanning Tunneling Microscope
09:06

Visualizing Uniaxial-strain Manipulation of Antiferromagnetic Domains in Fe1+YTe Using a Spin-polarized Scanning Tunneling Microscope

Published on: March 24, 2019

8.5K

Related Experiment Videos

Last Updated: Dec 26, 2025

Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks
06:53

Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks

Published on: June 9, 2023

2.5K
Experimental Methods for Spin- and Angle-Resolved Photoemission Spectroscopy Combined with Polarization-Variable Laser
09:00

Experimental Methods for Spin- and Angle-Resolved Photoemission Spectroscopy Combined with Polarization-Variable Laser

Published on: June 28, 2018

10.3K
Visualizing Uniaxial-strain Manipulation of Antiferromagnetic Domains in Fe1+YTe Using a Spin-polarized Scanning Tunneling Microscope
09:06

Visualizing Uniaxial-strain Manipulation of Antiferromagnetic Domains in Fe1+YTe Using a Spin-polarized Scanning Tunneling Microscope

Published on: March 24, 2019

8.5K

Area of Science:

  • Condensed matter physics
  • Materials science
  • Solid-state chemistry

Background:

  • The electronic properties of high-temperature superconductors, particularly cuprates, are debated, with ongoing discussion about the role of the crystal lattice versus strong electronic correlations.
  • While electronic correlations are a leading theory for the insulator-to-metal transition, recent focus highlights the interplay between electron-electron and electron-phonon interactions in ordered phase formation.

Purpose of the Study:

  • To investigate the significance of the crystal lattice in destabilizing the correlated insulating state of an archetypal undoped cuprate.
  • To elucidate the mechanism of the insulator-to-metal transition by examining the influence of lattice dynamics on electronic properties.

Main Methods:

  • Utilized polarization-resolved ultrafast optical spectroscopy to probe electronic dynamics.
  • Employed state-of-the-art dynamical mean-field theory (DMFT) for theoretical analysis.
  • Investigated electron-phonon coupling to specific optical phonon modes.

Main Results:

  • Identified clear signatures of electron-phonon coupling to fully symmetric optical modes during the transition to a three-dimensional (3D) metallic state after charge photodoping.
  • Dynamical mean-field theory calculations demonstrated the instability of the insulating state towards metallization when crystal structures are coherently displaced along phonon coordinates.
  • Revealed a novel insulator-to-metal transition mechanism driven by lattice modes.

Conclusions:

  • The crystal lattice, through electron-phonon coupling to specific lattice modes, is critical in the metallization of correlated insulators.
  • This lattice-mediated insulator-to-metal transition is surprisingly facile, even with substantial charge-transfer energy scales.
  • The findings offer a new perspective on the behavior of correlated solids and suggest potential applications in designing novel electronic materials.