Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Ferromagnetism

Ferromagnetism

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...

You might also read

Related Articles

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

Sort by

Same author

Colossal Orbital Current Induced by Gradient Oxidation for High-Efficiency Magnetization Switching.

Small (Weinheim an der Bergstrasse, Germany)·2024

Same author

Enhanced Spin-Orbit Torque Efficiency in Platinum-Gadolinium Oxide Nanocomposite Films.

ACS applied materials & interfaces·2024

Same author

Splitting phenomenon of ferromagnetic resonance spectra in NiFe films deposited on periodically rippled sapphire substrates.

Journal of physics. Condensed matter : an Institute of Physics journal·2023

Same author

Giant Extrinsic Spin Hall Effect in Platinum-Titanium Oxide Nanocomposite Films.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2022

Same author

High-Performance Multifunctional Photodetector and THz Modulator Based on Graphene/TiO<sub>2</sub>/p-Si Heterojunction.

Nanoscale research letters·2021

Same author

Effect of Interfacial Roughness Spin Scattering on the Spin Current Transport in YIG/NiO/Pt Heterostructures.

ACS applied materials & interfaces·2019

Same journal

Overcoming the Catalytic Bucket Effect in Pt-based High-Entropy Nanocages Through Interface Defect and Strain Engineering.

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

Same journal

Rare-Earth-Sulfur Surface Modification Enables SiC Ceramics for Low-Frequency Electromagnetic Wave Absorption in Extreme Environments.

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

Same journal

PFKFB4 Deubiquitination by USP10 Enhances Fumarate Metabolism to Orchestrate the KDM1A/Rad51 Axis and Confer Radioresistance in Lung Cancer.

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

Same journal

Assessing Strengths and Limitations of Magnetoencephalography Source Imaging With Intracerebral EEG.

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

Same journal

Efficient Adsorption-Based Direct Air Capture Via Triply Periodic Minimal Surface Architectures.

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

Same journal

Inhalable ROS-Responsive Nanospray Activates PPAR-γ to Restore Macrophage Mitochondrial Homeostasis and Attenuate Radiation-Induced Lung Injury.

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

See all related articles

Search research articles

Related Experiment Video

Updated: Jan 10, 2026

High-Speed Magnetic Tweezers for Nanomechanical Measurements on Force-Sensitive Elements

High-Speed Magnetic Tweezers for Nanomechanical Measurements on Force-Sensitive Elements

Published on: May 12, 2023

Ultrafast Laser-Induced Interatomic Forces in Magnetostrictive Metals.

Xiaoxue Zeng¹, Lei Zhang¹, Yu Huang²

¹State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)

|November 24, 2025

Summary

This summary is machine-generated.

Researchers observed ultrafast interatomic forces in FeGa thin films using femtosecond photoexcitation. This study reveals how electron redistribution influences interatomic forces and metal lattice dynamics.

Keywords:

FeGa alloy light‐induced interatomic forces ultrafast strain birefringence

More Related Videos

Optimizing Magnetic Force Microscopy Resolution and Sensitivity to Visualize Nanoscale Magnetic Domains

Optimizing Magnetic Force Microscopy Resolution and Sensitivity to Visualize Nanoscale Magnetic Domains

Published on: July 20, 2022

Determining the Mechanical Strength of Ultra-Fine-Grained Metals

Determining the Mechanical Strength of Ultra-Fine-Grained Metals

Published on: November 22, 2021

Related Experiment Videos

Last Updated: Jan 10, 2026

High-Speed Magnetic Tweezers for Nanomechanical Measurements on Force-Sensitive Elements

High-Speed Magnetic Tweezers for Nanomechanical Measurements on Force-Sensitive Elements

Published on: May 12, 2023

Optimizing Magnetic Force Microscopy Resolution and Sensitivity to Visualize Nanoscale Magnetic Domains

Optimizing Magnetic Force Microscopy Resolution and Sensitivity to Visualize Nanoscale Magnetic Domains

Published on: July 20, 2022

Determining the Mechanical Strength of Ultra-Fine-Grained Metals

Determining the Mechanical Strength of Ultra-Fine-Grained Metals

Published on: November 22, 2021

Area of Science:

Condensed Matter Physics
Materials Science
Ultrafast Phenomena

Background:

Femtosecond photoexcitation drives nonequilibrium processes in solids.
Ultrafast interatomic forces are crucial for material properties.
Experimental data on these forces in metals are scarce.

Purpose of the Study:

To directly observe femtosecond-scale photoinduced interatomic forces in FeGa thin films.
To investigate the role of ultrafast demagnetization and magnetostriction.
To bridge the gap in experimental studies of nonequilibrium dynamics in metals.

Main Methods:

Femtosecond laser spectroscopy.
Time-resolved optical measurements.
Analysis of transient birefringence signals.

Main Results:

Direct observation of femtosecond-scale interatomic forces in FeGa films.
A transient signal (≈400 fs) linked to demagnetization and stress release.
Signal orientation dependence on external magnetic field.

Conclusions:

Photoinduced electron redistribution transiently distorts interatomic forces before lattice expansion.
Magnetization-induced stress anisotropy influences interatomic potential.
Findings offer insights into controlling metal lattice dynamics via ultrafast magnetostriction.