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

Colors and Magnetism03:02

Colors and Magnetism

12.5K
Color in Coordination Complexes
When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human...
12.5K
Crystal Field Theory - Octahedral Complexes02:58

Crystal Field Theory - Octahedral Complexes

28.4K
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...
28.4K
Atomic Nuclei: Nuclear Relaxation Processes01:23

Atomic Nuclei: Nuclear Relaxation Processes

774
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.
774
Magnetic Field due to Moving Charges01:23

Magnetic Field due to Moving Charges

9.5K
A stationary charge creates and interacts with the electric field, while a moving charge creates a magnetic field.
Consider a point charge moving with a constant velocity. Like the electric field, the magnetic field at any point is directly proportional to the magnitude of the charge and inversely proportional to the square of the distance between the source point and the field point. However, unlike the electric field, the magnetic field is always perpendicular to the plane containing the line...
9.5K
Phase Transitions02:31

Phase Transitions

20.9K
Whether solid, liquid, or gas, a substance's state depends on the order and arrangement of its particles (atoms, molecules, or ions). Particles in the solid pack closely together, generally in a pattern. The particles vibrate about their fixed positions but do not move or squeeze past their neighbors. In liquids, although the particles are closely spaced, they are randomly arranged. The position of the particles are not fixed—that is, they are free to move past their neighbors to...
20.9K
Ferromagnetism01:31

Ferromagnetism

2.5K
Materials like iron, nickel, and cobalt consist of magnetic domains, within which the magnetic dipoles are arranged parallel to each other. The magnetic dipoles are rigidly aligned in the same direction within a domain by quantum mechanical coupling among the atoms. This coupling is so strong that even thermal agitation at room temperature cannot break it. The result is that each domain has a net dipole moment. However, some materials have weaker coupling, and are ferromagnetic at lower...
2.5K

You might also read

Related Articles

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

Sort by
Same author

Macromolecular crystallography at Elettra: current and future perspectives. Corrigendum.

Journal of synchrotron radiation·2026
Same author

Structural basis of Nuclear Factor 1-X DNA recognition provides prototypic insight into the NFI family.

Nature communications·2025
Same author

Macromolecular crystallography at Elettra: current and future perspectives.

Journal of synchrotron radiation·2025
Same author

Transition to Metallic and Superconducting States Induced by Thermal or Electrical Deoxidation of the Dislocation Network in the Surface Region of SrTiO<sub>3</sub>.

Nanomaterials (Basel, Switzerland)·2024
Same author

Significant enhancement of ferromagnetism above room temperature in epitaxial 2D van der Waals ferromagnet Fe<sub>5-</sub>GeTe<sub>2</sub>/Bi<sub>2</sub>Te<sub>3</sub> heterostructures.

Nanoscale·2023
Same author

Formation and properties of iodine- and acetonitrile-functionalized two-dimensional Si materials: a Density Functional Theory study.

Physical chemistry chemical physics : PCCP·2021

Related Experiment Video

Updated: Oct 17, 2025

Phase Diagram Characterization Using Magnetic Beads as Liquid Carriers
12:37

Phase Diagram Characterization Using Magnetic Beads as Liquid Carriers

Published on: September 4, 2015

12.5K

Magnetic field driven phase transitions in EuTiO3.

P Pappas1, M Calamiotou2, M Polentarutti3

  • 1Department of Physics, National Technical University of Athens, Athens 15780, Greece.

Journal of Physics. Condensed Matter : an Institute of Physics Journal
|October 12, 2021
PubMed
Summary
This summary is machine-generated.

External magnetic fields significantly alter the lattice properties of Europium Titanate (EuTiO3) at specific temperatures, revealing strong spin-lattice interactions. These interactions influence magnetic properties and phase transitions in EuTiO3.

Keywords:
EuTiO3magnetic field driven phase transitionmagnetoelectricsmagnetostrictionspin–lattice couplingsynchrotron XRD

More Related Videos

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

2.2K
Sputter Growth and Characterization of Metamagnetic B2-ordered FeRh Epilayers
12:20

Sputter Growth and Characterization of Metamagnetic B2-ordered FeRh Epilayers

Published on: October 5, 2013

14.8K

Related Experiment Videos

Last Updated: Oct 17, 2025

Phase Diagram Characterization Using Magnetic Beads as Liquid Carriers
12:37

Phase Diagram Characterization Using Magnetic Beads as Liquid Carriers

Published on: September 4, 2015

12.5K
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

2.2K
Sputter Growth and Characterization of Metamagnetic B2-ordered FeRh Epilayers
12:20

Sputter Growth and Characterization of Metamagnetic B2-ordered FeRh Epilayers

Published on: October 5, 2013

14.8K

Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Magnetism

Background:

  • Europium Titanate (EuTiO3) exhibits complex magnetic and structural properties.
  • Understanding spin-lattice interactions is crucial for novel electronic materials.

Purpose of the Study:

  • To investigate the influence of static magnetic fields on the structural properties of EuTiO3.
  • To explore the relationship between magnetic fields, lattice effects, and magnetic transitions in EuTiO3.

Main Methods:

  • Powder X-ray diffraction (XRD) was performed on EuTiO3 polycrystalline samples.
  • Experiments were conducted at the Elettra synchrotron facilities across a temperature range of 100-300 K.
  • An external static magnetic field of up to 480 mT was applied.

Main Results:

  • The cubic to tetragonal structural phase transition temperature was largely unaffected by magnetic fields up to 480 mT.
  • Significant lattice effects were observed at approximately 200 K and 250 K, intensifying with increasing magnetic field.
  • A sign change in magnetostriction at ~200 K indicated a shift from ferromagnetism to antiferromagnetism.

Conclusions:

  • Strong spin-lattice interactions are present in EuTiO3, even in its high-temperature phase.
  • These interactions drive magnetic domain formation and influence phase transitions under external magnetic fields.
  • The study highlights the coupled nature of magnetic and structural properties in EuTiO3.