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

Ferromagnetism01:31

Ferromagnetism

3.2K
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...
3.2K
Minor Losses in Pipes01:25

Minor Losses in Pipes

2.0K
In pipe systems, minor losses refer to energy losses arising from components such as valves, bends, fittings, expansions, and other features that disrupt the steady flow of fluid. These disturbances cause energy dissipation through turbulence and resistance, which engineers quantify to manage system efficiency effectively.
Valves play a significant role in generating minor losses by obstructing or redirecting the fluid flow. When a valve is closed or partially closed, it restricts the flow...
2.0K
Fixed Action Patterns01:06

Fixed Action Patterns

17.7K
A fixed action pattern (FAP) is a specific, hard-wired sequence of behaviors that occurs in response to an external stimulus, called a sign stimulus. The behavior is “fixed” because it is essentially unchangeable—proceeding similarly across individuals of a species every time it occurs.
17.7K
What is Behavior?00:54

What is Behavior?

10.3K
Behaviors are actions that an organism engages in—they can be related to finding food, reproducing, defending against threats, and many other possible actions. Behaviors include activities related to the environment around the animal—such as migration—as well as social interactions within a species or population. Many behaviors involve motor output—that is, muscle movements—while others involve less visible actions, such as learning.
10.3K
Reversible and Irreversible Processes01:14

Reversible and Irreversible Processes

5.9K
The thermodynamic processes can be classified into reversible and irreversible processes. The processes that can be restored to their initial state are called reversible processes. It is only possible if the process is in quasi-static equilibrium, i.e., it takes place in infinitesimally small steps, and the system remains at equilibrium However, these are ideal processes and do not occur naturally. An ideal system undergoing a reversible process is always in thermodynamic equilibrium within...
5.9K
Diode: Reverse bias01:14

Diode: Reverse bias

2.1K
A diode is reverse-biased when the positive terminal of an external voltage source is connected to the n-type material and the negative terminal to the p-type material. This configuration opposes the natural direction of current flow through the diode, effectively increasing the width of the depletion region and the barrier potential. The reverse bias condition produces a minimal leakage current, primarily due to minority charge carriers. This leakage becomes significant when the reverse...
2.1K

You might also read

Related Articles

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

Sort by
Same author

Pre-steady state kinetic analysis of HIV-1 reverse transcriptase for non-canonical ribonucleoside triphosphate incorporation and DNA synthesis from ribonucleoside-containing DNA template.

Antiviral research·2015
Same author

Combined lateral femoral epicondylar osteotomy and a submeniscal approach for the treatment of a tibial plateau fracture involving the posterolateral quadrant.

Injury·2014
Same author

Effects of a continuous electromagnetic field on wound healing in human airway.

The Laryngoscope·2014
Same author

Potent trypanocidal curcumin analogs bearing a monoenone linker motif act on trypanosoma brucei by forming an adduct with trypanothione.

Molecular pharmacology·2014
Same author

Kinetic variations between reverse transcriptases of viral protein X coding and noncoding lentiviruses.

Retrovirology·2014
Same author

Arctigenin Increases Hemeoxygenase-1 Gene Expression by Modulating PI3K/AKT Signaling Pathway in Rat Primary Astrocytes.

Biomolecules & therapeutics·2014

Related Experiment Video

Updated: Feb 13, 2026

Inkjet-printed Polyvinyl Alcohol Multilayers
05:11

Inkjet-printed Polyvinyl Alcohol Multilayers

Published on: May 11, 2017

13.1K

Minor hysteresis patterns with a rounded/sharpened reversing behavior in ferromagnetic multilayer.

Duy-Truong Quach1,2,3, Duc-Thang Pham4, Duc-The Ngo5

  • 1Faculty of Basic Sciences, University of Transport and Communications, Hanoi, 10000, Vietnam. duytruongquach@utc.edu.vn.

Scientific Reports
|March 15, 2018
PubMed
Summary

This study reveals controllable minor hysteresis loop behavior in (CoFeB/Pd)4 multilayer films. Researchers observed and manipulated rounded or sharpened responses by adjusting field strength and sweep rate, offering insights into magnetic domain dynamics.

More Related Videos

Ferromagnetic Bare Metal Stent for Endothelial Cell Capture and Retention
11:01

Ferromagnetic Bare Metal Stent for Endothelial Cell Capture and Retention

Published on: September 18, 2015

12.0K
A Microfluidic Device with Groove Patterns for Studying Cellular Behavior
13:50

A Microfluidic Device with Groove Patterns for Studying Cellular Behavior

Published on: August 30, 2007

12.9K

Related Experiment Videos

Last Updated: Feb 13, 2026

Inkjet-printed Polyvinyl Alcohol Multilayers
05:11

Inkjet-printed Polyvinyl Alcohol Multilayers

Published on: May 11, 2017

13.1K
Ferromagnetic Bare Metal Stent for Endothelial Cell Capture and Retention
11:01

Ferromagnetic Bare Metal Stent for Endothelial Cell Capture and Retention

Published on: September 18, 2015

12.0K
A Microfluidic Device with Groove Patterns for Studying Cellular Behavior
13:50

A Microfluidic Device with Groove Patterns for Studying Cellular Behavior

Published on: August 30, 2007

12.9K

Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Magnetism

Background:

  • Ferromagnetic hysteresis is crucial for magnetic device operation.
  • Minor loop behavior, arising from unsaturated states, is essential for high-speed applications.
  • Understanding minor loop dynamics is key to optimizing magnetic device performance.

Purpose of the Study:

  • To microscopically investigate unusual minor hysteresis loop behaviors in (CoFeB/Pd)4 multilayer films.
  • To explore the controllable nature of rounded and sharpened minor hysteresis loop responses.
  • To elucidate the underlying magnetic domain dynamics governing these behaviors.

Main Methods:

  • Microscopic investigation using magneto-optical Kerr microscopy.
  • Systematic analysis of minor loop behavior under varying conditions.
  • Direct observation of magnetic domain evolution.

Main Results:

  • Observed controllable rounded and sharpened minor hysteresis loop responses in (CoFeB/Pd)4 multilayers.
  • Demonstrated that minor loop roundedness is tunable by adjusting reversing field strength and sweep rate.
  • Linked minor loop behavior to magnetic domain nucleation and domain wall velocity dynamics.

Conclusions:

  • The minor hysteresis loop behavior in (CoFeB/Pd)4 multilayers is not only unusual but also controllable.
  • Tuning external field parameters offers a method to manipulate minor loop shapes.
  • This research provides a deeper understanding of magnetic domain dynamics in multilayer systems.