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

Group Polarization01:01

Group Polarization

39.2K
Group polarization is the strengthening of an original group attitude following the discussion of views within a group (Teger & Pruitt, 1967). That is, if a group initially favors a viewpoint, after discussion the group consensus is likely a stronger endorsement of the viewpoint. Conversely, if the group was initially opposed to a viewpoint, group discussion would likely lead to stronger opposition.
39.2K
Molecular Shape and Polarity03:37

Molecular Shape and Polarity

75.8K
Dipole Moment of a Molecule
75.8K
G-protein Coupled Receptors01:21

G-protein Coupled Receptors

132.0K
G-protein coupled receptors are ligand binding receptors that indirectly affect changes in the cell. The actual receptor is a single polypeptide that transverses the cell membrane seven times creating intracellular and extracellular loops. The extracellular loops create a ligand specific pocket which binds to neurotransmitters or hormones. The intracellular loops holds onto the G-protein.
132.0K
Spin–Spin Coupling: Two-Bond Coupling (Geminal Coupling)01:20

Spin–Spin Coupling: Two-Bond Coupling (Geminal Coupling)

1.7K
Two NMR-active nuclei bonded to a central atom can be involved in geminal or two-bond coupling. Geminal coupling is commonly seen between diastereotopic protons in chiral molecules and unsymmetrical alkenes, among others.
The central atom need not be NMR-active because its electrons are affected by the electron polarization of the spin-active atoms. However, spin information is transmitted less effectively than in one-bond coupling, and 2J values are usually weaker than 1J values. The energy of...
1.7K
Spin–Spin Coupling: Three-Bond Coupling (Vicinal Coupling)01:22

Spin–Spin Coupling: Three-Bond Coupling (Vicinal Coupling)

1.5K
Vicinal or three-bond coupling is commonly observed between protons attached to adjacent carbons. Here, nuclear spin information is primarily transferred via electron spin interactions between adjacent C‑H bond orbitals. This generally favors the antiparallel arrangement of spins, so 3J values are usually positive.
The extent of coupling depends on the C‑C bond length, the two H‑C‑C angles, any electron-withdrawing substituents, and the dihedral angle between the involved orbitals. The...
1.5K
Polar Coordinates01:24

Polar Coordinates

364
The polar coordinate system offers an alternative to the Cartesian coordinate system for specifying points in a plane, using a distance and an angle instead of x and y coordinates. This system is particularly advantageous in situations involving circular or rotational symmetry, such as in physics or engineering problems involving waves, oscillations, or orbital paths.Defining Polar CoordinatesIn polar coordinates, a point is represented as P(r, ��), where r is the radial distance...
364

You might also read

Related Articles

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

Sort by
Same author

System-conditioned reparameterization of the SCAN functional for accurate bandgaps: from analytical constraints to machine learning.

npj computational materials·2026
Same author

Phase engineering of 2D X<sub>2</sub>C monolayers: insights into metal-semiconductor transitions and multifunctional applications.

Physical chemistry chemical physics : PCCP·2025
Same author

Abinit 2025: New capabilities for the predictive modeling of solids and nanomaterials.

The Journal of chemical physics·2025
Same author

Handedness Selection and Hysteresis of Chiral Orders in Crystals.

Physical review letters·2025
Same author

Pharmacokinetic-Pharmacodynamic Cutoff Values for Doxycycline in Pigs to Support the Establishment of Clinical Breakpoints for Antimicrobial Susceptibility Testing.

Journal of veterinary pharmacology and therapeutics·2025
Same author

The anti-distortive polaron as an alternative mechanism for lattice-mediated charge trapping.

Nature communications·2025

Related Experiment Video

Updated: Feb 4, 2026

Measuring Magnetically-Tuned Ferroelectric Polarization in Liquid Crystals
07:03

Measuring Magnetically-Tuned Ferroelectric Polarization in Liquid Crystals

Published on: August 15, 2018

9.2K

Direct Magnetization-Polarization Coupling in BaCuF_{4}.

A C Garcia-Castro1,2, W Ibarra-Hernandez3,4, Eric Bousquet2

  • 1Department of Physics, Universidad Industrial de Santander, Carrera 27 Calle 9, Bucaramanga, Colombia.

Physical Review Letters
|September 29, 2018
PubMed
Summary

Magnetization reversal via polarization switching in barium copper fluoride (BaCuF4) is demonstrated to be feasible near room temperature. This effect is driven by a unique soft mode coupling ferroelectric and magnetic properties, offering potential for multifunctional devices.

More Related Videos

Measurement of Liver Stiffness Using Atomic Force Microscopy Coupled with Polarization Microscopy
10:10

Measurement of Liver Stiffness Using Atomic Force Microscopy Coupled with Polarization Microscopy

Published on: July 20, 2022

4.6K
Analyzing the Size, Shape, and Directionality of Networks of Coupled Astrocytes
10:10

Analyzing the Size, Shape, and Directionality of Networks of Coupled Astrocytes

Published on: October 4, 2018

9.4K

Related Experiment Videos

Last Updated: Feb 4, 2026

Measuring Magnetically-Tuned Ferroelectric Polarization in Liquid Crystals
07:03

Measuring Magnetically-Tuned Ferroelectric Polarization in Liquid Crystals

Published on: August 15, 2018

9.2K
Measurement of Liver Stiffness Using Atomic Force Microscopy Coupled with Polarization Microscopy
10:10

Measurement of Liver Stiffness Using Atomic Force Microscopy Coupled with Polarization Microscopy

Published on: July 20, 2022

4.6K
Analyzing the Size, Shape, and Directionality of Networks of Coupled Astrocytes
10:10

Analyzing the Size, Shape, and Directionality of Networks of Coupled Astrocytes

Published on: October 4, 2018

9.4K

Area of Science:

  • Condensed Matter Physics
  • Materials Science
  • Solid-State Chemistry

Background:

  • Multifunctional materials exhibiting coupled ferroelectric and magnetic properties are highly sought after for advanced electronic applications.
  • Barium copper fluoride (BaCuF4) is an ABX4-type crystal with known weak ferromagnetism and Jahn-Teller distortion, suggesting potential for magnetoelectric coupling.

Purpose of the Study:

  • To investigate the mechanism of magnetization reversal through polarization switching in BaCuF4 using first-principles calculations.
  • To determine the feasibility of achieving this coupling near room temperature.
  • To identify the underlying physical phenomena driving the observed magnetoelectric coupling.

Main Methods:

  • First-principles calculations based on Density Functional Theory (DFT) were employed.
  • Analysis focused on identifying soft modes responsible for coupling polarization and magnetic properties.

Main Results:

  • Ideal magnetization reversal via polarization switching in BaCuF4 is predicted to occur close to room temperature.
  • A single soft mode, combining polarization and octahedral rotation, drives this coupling.
  • This mode is directly linked to the weak ferromagnetism, Jahn-Teller distortion, and orbital ordering in BaCuF4.

Conclusions:

  • BaCuF4 presents a promising prototype for multifunctional ABX4 crystals due to its naturally coupled ferroelectric and magnetic properties.
  • The identified mechanism of polarization-driven magnetization reversal is novel and has not been previously reported.
  • The findings highlight the potential of BaCuF4 for next-generation electronic devices.