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

Electric Dipoles and Dipole Moment01:30

Electric Dipoles and Dipole Moment

6.4K
Consider two charges of equal magnitude but opposite signs. If they cannot be separated by an external electric field, the system is called a permanent dipole. For example, the water molecule is a dipole, making it a good solvent.
Theoretically, studying electric dipoles leads to understanding why the resultant electric forces around us are weak. Since electric forces are strong, remnant net charges are rare. Hence, the interaction between dipoles helps us understand electrical interactions in...
6.4K
Bond Polarity, Dipole Moment, and Percent Ionic Character02:48

Bond Polarity, Dipole Moment, and Percent Ionic Character

35.5K
Bond Polarity
35.5K
Understanding the Self01:28

Understanding the Self

286
The self is a central aspect of human identity, encompassing an individual’s beliefs, emotions, perceptions, and experiences. It is a cognitive and psychological construct that enables individuals to interpret their traits and behaviors, influencing how they perceive themselves and interact with the world. While personality consists of stable and enduring characteristics, the self is shaped by self-perception and social experiences. This distinction highlights the dynamic nature of the...
286
Induced Electric Dipoles01:28

Induced Electric Dipoles

4.8K
A permanent electric dipole orients itself along an external electric field. This rotation can be quantified by defining the potential energy because the external torque does work in rotating it. Then, the potential energy is minimum at the parallel configuration and maximum at the antiparallel configuration. While the former is a stable equilibrium, the latter is an unstable equilibrium.
Since the absolute value of potential energy holds no physical meaning, its zero value can be chosen as per...
4.8K
IR Spectrum Peak Intensity: Dipole Moment01:20

IR Spectrum Peak Intensity: Dipole Moment

1.5K
The dipole moment of a bond is the product of the partial charge on either atom and the distance between them. Dipole moments influence the efficiency of IR absorption and the peak intensity. When a bond with a dipole moment is placed in an electric field, the direction of the field determines if the bond is compressed or stretched. Electromagnetic radiation consists of an electric field component that rapidly reverses direction. It follows that polar bonds are alternately stretched and...
1.5K
Molecular Geometry and Dipole Moments02:36

Molecular Geometry and Dipole Moments

18.9K
The VSEPR theory can be used to determine the electron pair geometries and molecular structures as follows:
18.9K

You might also read

Related Articles

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

Sort by
Same author

Circular RNA_LARP4 inhibits the progression of non-small-cell lung cancer by regulating the expression of SMAD7.

European review for medical and pharmacological sciences·2020
Same author

Chemical diversity in molecular orbital energy predictions with kernel ridge regression.

The Journal of chemical physics·2019
Same author

Electrically controlled transformation of memristive titanates into mesoporous titanium oxides via incongruent sublimation.

Scientific reports·2018
Same author

A novel porcine kobuvirus emerged in piglets with severe diarrhoea in China.

Transboundary and emerging diseases·2017
Same author

Reappearance of buffalo-origin-like porcine circovirus type 2 strains in swine herds in southern China.

New microbes and new infections·2017
Same author

Electrically driven magnetic antenna based on multiferroic composites.

Journal of physics. Condensed matter : an Institute of Physics journal·2016

Related Experiment Video

Updated: Jan 31, 2026

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells
08:30

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells

Published on: March 19, 2017

17.2K

Understanding doped perovskite ferroelectrics with defective dipole model.

J Liu1, L Jin2, Z Jiang3

  • 1State Key Laboratory for Mechanical Behavior of Materials, School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, China.

The Journal of Chemical Physics
|January 3, 2019
PubMed
Summary

This study introduces a new model for understanding how doping affects perovskite materials. The model explains observed phenomena like reduced polarization by focusing on defective and active dipoles in iron-doped barium titanate.

More Related Videos

A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy
10:40

A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy

Published on: April 8, 2018

8.7K
Epitaxial Growth of Perovskite Strontium Titanate on Germanium via Atomic Layer Deposition
09:45

Epitaxial Growth of Perovskite Strontium Titanate on Germanium via Atomic Layer Deposition

Published on: July 26, 2016

12.8K

Related Experiment Videos

Last Updated: Jan 31, 2026

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells
08:30

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells

Published on: March 19, 2017

17.2K
A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy
10:40

A Fabrication and Measurement Method for a Flexible Ferroelectric Element Based on Van Der Waals Heteroepitaxy

Published on: April 8, 2018

8.7K
Epitaxial Growth of Perovskite Strontium Titanate on Germanium via Atomic Layer Deposition
09:45

Epitaxial Growth of Perovskite Strontium Titanate on Germanium via Atomic Layer Deposition

Published on: July 26, 2016

12.8K

Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Computational Materials Science

Background:

  • Doping is crucial for tuning perovskite properties but the underlying mechanisms are not fully understood.
  • Experimental tuning of perovskite physical properties via doping presents challenges in predicting outcomes.
  • Iron-doped barium titanate (Fe-doped BaTiO3) serves as a model system to investigate doping effects.

Purpose of the Study:

  • To develop a computationally tractable model to elucidate the microscopic mechanisms of doping in perovskites.
  • To provide insights into how doping influences polarization and phase transition temperatures.
  • To explain experimentally observed phenomena in acceptor-doped perovskite systems.

Main Methods:

  • An empirical model was proposed assuming doping creates clusters of defective dipoles.
  • Monte Carlo simulations were employed to study the behavior of these defective dipoles.
  • Microscopic analysis of dipole configurations was used to understand doping impacts.

Main Results:

  • The model successfully reproduced key experimental observations, including reduced polarization.
  • The model predicted the convergence of phase transition temperatures in doped systems.
  • Insights into the role of active dipoles near defective dipoles were gained.

Conclusions:

  • The proposed model provides a framework for understanding doping effects in perovskites.
  • Defective dipoles and nearby active dipoles are key to explaining doping-induced changes.
  • This approach is necessary for accurate prediction and control of doping effects in functional materials.