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

Magnetic Damping01:17

Magnetic Damping

1.0K
Eddy currents can produce significant drag on motion, called magnetic damping. For instance, when a metallic pendulum bob swings between the poles of a strong magnet, significant drag acts on the bob as it enters and leaves the field, quickly damping the motion.
If, however, the bob is a slotted metal plate, the magnet produces a much smaller effect. When a slotted metal plate enters the field, an emf is induced by the change in flux; however, it is less effective because the slots limit the...
1.0K

You might also read

Related Articles

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

Sort by
Same author

Amine-Functionalized Mesoporous Silica for Efficient CO<sub>2</sub> Capture: Stability, Performance, and Industrial Feasibility.

International journal of molecular sciences·2025
Same author

Amine-Impregnated Dendritic Mesoporous Silica for the Adsorption of Formaldehyde.

Micromachines·2024
Same author

The Stack Optimization of Magnetic Heterojunction Structures for Next-Generation Spintronic Logic Applications.

Materials (Basel, Switzerland)·2023
Same author

Interface roughness effects and relaxation dynamics of an amorphous semiconductor oxide-based analog resistance switching memory.

Nanoscale·2023
Same author

Parasitic Current Induced by Gate Overlap in Thin-Film Transistors.

Materials (Basel, Switzerland)·2021
Same author

Non-equilibrium chiral domain wall dynamics excited by transverse magnetic field pulses.

Journal of physics. Condensed matter : an Institute of Physics journal·2020

Related Experiment Video

Updated: Jan 11, 2026

Frequency Mixing Magnetic Detection Scanner for Imaging Magnetic Particles in Planar Samples
07:01

Frequency Mixing Magnetic Detection Scanner for Imaging Magnetic Particles in Planar Samples

Published on: June 9, 2016

9.9K

Introduction of RKKY-pMTJ-Based Ultrafast Magnetic Sensor Architecture and Magnetic Multilayer Optimization.

Jaehun Cho1, June-Seo Kim1

  • 1Division of Nanotechnology, Daegu-Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Republic of Korea.

Sensors (Basel, Switzerland)
|November 13, 2025
PubMed
Summary

This study introduces an advanced tunnel magnetoresistance (TMR) sensor for ultrafast magnetic field detection. The novel design enhances thermal stability and linearity, enabling high-frequency applications.

Keywords:
Ruderman–Kittel–Kasuya–Yosida (RKKY) interactioninterlayer exchange couplingmagnetic multilayer optimizationmagnetoresistance sensormicromagnetic simulationstunnel magnetoresistanceultrafast switching

More Related Videos

Optimized Setup and Protocol for Magnetic Domain Imaging with In Situ Hysteresis Measurement
09:43

Optimized Setup and Protocol for Magnetic Domain Imaging with In Situ Hysteresis Measurement

Published on: November 7, 2017

9.8K
Optimizing Magnetic Force Microscopy Resolution and Sensitivity to Visualize Nanoscale Magnetic Domains
07:42

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

Published on: July 20, 2022

3.2K

Related Experiment Videos

Last Updated: Jan 11, 2026

Frequency Mixing Magnetic Detection Scanner for Imaging Magnetic Particles in Planar Samples
07:01

Frequency Mixing Magnetic Detection Scanner for Imaging Magnetic Particles in Planar Samples

Published on: June 9, 2016

9.9K
Optimized Setup and Protocol for Magnetic Domain Imaging with In Situ Hysteresis Measurement
09:43

Optimized Setup and Protocol for Magnetic Domain Imaging with In Situ Hysteresis Measurement

Published on: November 7, 2017

9.8K
Optimizing Magnetic Force Microscopy Resolution and Sensitivity to Visualize Nanoscale Magnetic Domains
07:42

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

Published on: July 20, 2022

3.2K

Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Electrical Engineering

Background:

  • Conventional TMR sensors face limitations in high-frequency environments due to thermal instability and slow recovery.
  • Perpendicularly magnetized magnetic tunnel junctions (pMTJs) offer potential for improved sensor performance.

Purpose of the Study:

  • To engineer a novel TMR sensor architecture for ultrafast, thermally stable, and linear magnetic field detection.
  • To overcome limitations of conventional TMR sensors in high-frequency applications.

Main Methods:

  • Modification of standard MRAM structure incorporating Ruderman-Kittel-Kasuya-Yosida (RKKY) interaction.
  • Experimental demonstration of structural and magnetic properties using polar MOKE spectroscopy.
  • Micromagnetic simulations to probe ultrafast response and recovery times.

Main Results:

  • Achieved robust synthetic antiferromagnetic (SAF) coupling with optimal Ru insertion layer (0.6 nm) for high thermal stability.
  • Demonstrated sensor linearity ensured by the RKKY mechanism.
  • Observed rapid relaxation to the initial spin state within 5.78–5.99 ns.

Conclusions:

  • The developed TMR sensor architecture exhibits ultrafast response with sub-6 ns recovery times.
  • This performance suggests potential for operation in the hundreds of MHz range.
  • The engineered pMTJ-based TMR sensor overcomes key limitations of conventional designs for advanced magnetic field detection.