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

Trends in Lattice Energy: Ion Size and Charge02:54

Trends in Lattice Energy: Ion Size and Charge

23.8K
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:
23.8K
Strain-Energy Density01:20

Strain-Energy Density

370
Understanding the strain energy density in materials under axial load is crucial for evaluating their mechanical behavior and durability. When a rod is subjected to such a load, it elongates and stores energy, known as strain energy, as potential energy within the material. This energy is measured in terms of energy per unit volume.
In the elastic region of a material, the relationship between the stress and the strain is linear and follows Hooke's Law. The strain energy density in this...
370
Atomic Nuclei: Nuclear Relaxation Processes01:23

Atomic Nuclei: Nuclear Relaxation Processes

632
In the absence of an external magnetic field, nuclear spin states are degenerate and randomly oriented. When a magnetic field is applied, the spins begin to precess and orient themselves along (lower energy) or against (higher energy) the direction of the field. At equilibrium, a slight excess population of spins exists in the lower energy state. Because the direction of the magnetic field is fixed as the z-axis,  the precessing magnetic moments are randomly oriented around the z-axis.
632
The Born-Haber Cycle02:44

The Born-Haber Cycle

21.7K
Lattice Energy 
21.7K
Atomic Nuclei: Types of Nuclear Relaxation01:28

Atomic Nuclei: Types of Nuclear Relaxation

268
Nuclear relaxation restores the equilibrium population imbalance and can occur via spin–lattice or spin–spin mechanisms, which are first-order exponential decay processes.
In spin–lattice or longitudinal relaxation, the excited spins exchange energy with the surrounding lattice as they return to the lower energy level. Among several mechanisms that contribute to spin–lattice relaxation, magnetic dipolar interactions are significant. Here, the excited nucleus transfers...
268
Residual Stresses01:26

Residual Stresses

207
Residual stresses reside in a structure even after removing the original stress inducer. This phenomenon often arises from varied plastic deformations across different parts of a structure. Consider a rod stretched beyond its yield point. It will not regain its original length due to permanent deformation. Even after load removal, the rod does not entirely lose stress because of uneven plastic deformations, resulting in residual stresses. The computation of these stresses in structures is...
207

You might also read

Related Articles

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

Sort by
Same author

Wide Temperature Zero Thermal Expansion in Al Matrix Composites with High Thermal Conductivity.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

Defining the Reversible Limit of Anionic Redox via Interlayer Li Ordering.

Journal of the American Chemical Society·2026
Same author

Dual Real-Time Response to Lattice Distortion and Temperature Fields in Energy-Storage Ceramics.

Advanced materials (Deerfield Beach, Fla.)·2026
Same author

Ultrahigh energy-storage in lead-free ceramic capacitors via local structure design.

Nature communications·2026
Same author

Strong hybridization driving unusual enhanced negative thermal expansion in PbTiO<sub>3</sub>-based ferroelectrics.

Materials horizons·2026
Same author

Exploration of High-Temperature Conduction Mechanisms in Disordered and Ordered Langasite-Type Piezoelectric Crystals.

ACS applied materials & interfaces·2026
Same journal

Radical Cascades on Seawater Microdroplets Drive Atmospheric Mercury Oxidation.

Journal of the American Chemical Society·2026
Same journal

Superior Selective and Fast NH<sub>3</sub> Adsorption of Soft Porous MOF/Ionic Liquid Composites with Ordering Phase Transitions.

Journal of the American Chemical Society·2026
Same journal

Systematic Catalyst Variation for Improved Stereoselective Epoxide Polymerization: Subtle Modifications Resulting in Superior Efficiency.

Journal of the American Chemical Society·2026
Same journal

Deciphering the Halide Chemistry of Cl<sup>-</sup> and Br<sup>-</sup> in Enhancing Kinetics of Mg Plating/Stripping.

Journal of the American Chemical Society·2026
Same journal

Electrosynthesis of C<sub>6</sub> Chemicals by Propylene Oxidative Coupling on Au Surface.

Journal of the American Chemical Society·2026
Same journal

Statistical AI Enables Precise Screening of Multielement Catalysts.

Journal of the American Chemical Society·2026
See all related articles

Related Experiment Video

Updated: Jun 10, 2025

In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries
11:25

In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries

Published on: November 10, 2014

15.7K

Boosting Energy-Storage in High-Entropy Pb-Free Relaxors Engineered by Local Lattice Distortion.

Banghua Zhu1, Ji Zhang2, Feixiang Long1

  • 1Beijing Advanced Innovation Center for Materials Genome Engineering, Department of Physical Chemistry, University of Science and Technology Beijing, Beijing 100083, China.

Journal of the American Chemical Society
|October 19, 2024
PubMed
Summary
This summary is machine-generated.

High-entropy relaxor ferroelectrics (RFEs) show promise for energy storage. Engineering local lattice distortion in (Bi0.5K0.5)TiO3-based RFEs significantly boosts energy density and efficiency by optimizing polarization.

More Related Videos

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
05:33

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Published on: August 12, 2013

21.6K
Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides
09:41

Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides

Published on: May 29, 2018

9.4K

Related Experiment Videos

Last Updated: Jun 10, 2025

In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries
11:25

In Situ Neutron Powder Diffraction Using Custom-made Lithium-ion Batteries

Published on: November 10, 2014

15.7K
Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
05:33

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications

Published on: August 12, 2013

21.6K
Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides
09:41

Bulk and Thin Film Synthesis of Compositionally Variant Entropy-stabilized Oxides

Published on: May 29, 2018

9.4K

Area of Science:

  • Materials Science
  • Solid-State Physics
  • Energy Storage

Background:

  • High-entropy strategy enhances dielectric capacitor performance for electronic systems.
  • Designing high-entropy relaxor ferroelectrics (RFEs) is challenging due to unclear structure-property correlations.
  • Local polarization heterogeneity impacts RFE performance.

Purpose of the Study:

  • To engineer local lattice distortion in high-entropy RFEs to improve energy-storage performance.
  • To establish a relationship between local structure and energy storage in complex high-entropy systems.
  • To achieve giant energy density and high efficiency in (Bi0.5K0.5)TiO3-based RFEs.

Main Methods:

  • Utilized high-entropy strategy in (Bi0.5K0.5)TiO3-based bulk RFE ceramics.
  • Employed atomic-level local structural analysis to investigate lattice distortion and polarization.
  • Engineered local lattice distortion by introducing ions with less size mismatch.

Main Results:

  • Achieved a giant energy density of 18.7 J cm-3 and 85% efficiency.
  • Demonstrated that flattened local lattice distortion reduces polar cluster size and coupling.
  • Observed a significant decrease in hysteresis and enhanced breakdown field strength.
  • Reported over a 6-fold increase in energy density and 3-fold increase in efficiency.

Conclusions:

  • Local lattice distortion is a key factor in manipulating local polarization and enhancing energy storage in high-entropy RFEs.
  • Engineering local structure provides a pathway for optimizing dielectric energy-storage performance.
  • The findings offer insights for designing next-generation high-performance energy storage materials.