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

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...
Magnetism01:30

Magnetism

Magnets are commonly found in everyday objects, such as toys, hangers, elevators, doorbells, and computer devices. Experimentation on these magnets shows that all magnets have two poles: one is labeled north (N) and the other south (S). Magnetic poles repel if they are alike and attract if unlike. Moreover, both poles of a magnet attract unmagnetized pieces of iron.
An individual magnetic pole cannot be isolated. No matter how small, every piece of a magnet contains a north pole and a south...

You might also read

Related Articles

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

Sort by
Same author

Transient Large-Scale Anisotropy in TeV Cosmic Rays due to an Interplanetary Coronal Mass Ejection.

Physical review letters·2026
Same author

First Detection of Ultrahigh Energy Emission from Gamma-Ray Binary LS I +61° 303.

Physical review letters·2026
Same author

Evidence of Cosmic-Ray Acceleration up to Sub-PeV Energies in the Supernova Remnant IC 443.

Physical review letters·2026
Same author

Precise Measurement of the Cosmic Ray Helium Spectrum above 0.1 PeV.

Physical review letters·2026
Same author

Using Geoscientific Analysis and Community Engagement to Analyze Exposures to Potential Groundwater Contamination Related to Hydrocarbon Extraction in Southwestern Pennsylvania.

Research report (Health Effects Institute)·2026
Same author

All-Sky Search for Individual Primordial Black Hole Bursts with LHAASO.

Physical review letters·2025

Related Experiment Video

Updated: May 30, 2026

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

Functional magnetic nanoparticle assemblies: formation, collective behavior, and future directions.

S A Majetich1, T Wen, R A Booth

  • 1Physics Department, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213-3890, USA. sara@cmu.edu

ACS Nano
|August 10, 2011
PubMed
Summary

Researchers are advancing functional magnetic nanoparticle assemblies, enabling new self-organized structures. Recent work shows novel aqueous self-assembly and reversible disassembly of magnetic nanoparticles for future applications.

More Related Videos

Biofunctionalization of Magnetic Nanomaterials
06:40

Biofunctionalization of Magnetic Nanomaterials

Published on: July 16, 2020

Fabrication of Magnetic Platforms for Micron-Scale Organization of Interconnected Neurons
09:54

Fabrication of Magnetic Platforms for Micron-Scale Organization of Interconnected Neurons

Published on: July 14, 2021

Related Experiment Videos

Last Updated: May 30, 2026

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

Biofunctionalization of Magnetic Nanomaterials
06:40

Biofunctionalization of Magnetic Nanomaterials

Published on: July 16, 2020

Fabrication of Magnetic Platforms for Micron-Scale Organization of Interconnected Neurons
09:54

Fabrication of Magnetic Platforms for Micron-Scale Organization of Interconnected Neurons

Published on: July 14, 2021

Area of Science:

  • Materials Science
  • Nanotechnology
  • Physical Chemistry

Background:

  • Magnetic nanoparticle assemblies are crucial for advanced materials.
  • Understanding size-dependent forces is key to controlling assembly.
  • Self-organization significantly alters magnetic properties.

Purpose of the Study:

  • To review recent advancements in functional magnetic nanoparticle assemblies.
  • To discuss the modification of magnetic behavior in assembled structures.
  • To explore future directions in nanoparticle self-assembly.

Main Methods:

  • Review of recent literature on magnetic nanoparticle assembly.
  • Analysis of size-dependent driving forces for array formation.
  • Highlighting novel aqueous self-assembly and disassembly techniques.

Main Results:

  • Demonstration of two- and three-dimensional magnetic nanoparticle arrays.
  • Evidence of modified magnetic behavior in self-organized structures.
  • Novel aqueous self-assembly and reversible disassembly of magnetic particles.

Conclusions:

  • Functional magnetic nanoparticle assemblies offer tunable magnetic properties.
  • Controlled self-assembly and disassembly are critical for advanced applications.
  • Future work includes hierarchical structures and integration with electronics fabrication.