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

3.5K
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...
3.5K
Magnetic Susceptibility and Permeability01:31

Magnetic Susceptibility and Permeability

2.7K
In linear magnetic materials, like paramagnets and diamagnets, magnetization is proportional to the magnetic field intensity. The constant of proportionality, a dimensionless number, is called magnetic susceptibility. The value of the susceptibility depends on the type of material.
When diamagnetic materials are placed under an external magnetic field, the moments opposite to the field are induced. Hence, the susceptibility for diamagnets has a minimal negative value of 10-5–10-6. Since...
2.7K
Paramagnetism01:30

Paramagnetism

3.2K
Paramagnets are materials with unpaired electrons that possess a finite magnetic moment. In the absence of a magnetic field, these moments are randomly oriented, and thus the net moment is zero. Under an external field, a torque acting on the moments tends to align them along the field's direction. However, the random thermal motion of electrons produces a torque opposite to the external field and tries to disorient the moments. These two competing effects align only a few moments along the...
3.2K
Diamagnetism01:26

Diamagnetism

3.4K
Materials consisting of paired electrons have zero net magnetic moments. However, when these materials are placed under an external magnetic field, the moments opposite to the field are induced. Such materials are called diamagnets. Diamagnetism is the response of the diamagnets when placed in an external magnetic field.
Diamagnetism was discovered by Anton Brugmans in 1778 when he observed that bismuth gets repelled by magnetic fields, thus theorizing that diamagnets get repelled by magnets....
3.4K
Magnetostatic Boundary Conditions01:28

Magnetostatic Boundary Conditions

1.8K
An electric field suffers a discontinuity at a surface charge. Similarly, a magnetic field is discontinuous at a surface current. The perpendicular component of a magnetic field is continuous across the interface of two magnetic mediums. In contrast, its parallel component, perpendicular to the current, is discontinuous by the amount equal to the product of the vacuum permeability and the surface current. Like the scalar potential in electrostatics, the vector potential is also continuous...
1.8K

You might also read

Related Articles

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

Sort by
Same author

Momentum-Resolved X-Ray Thomson Scattering Benchmark of Electronic-Response Models in Warm Dense Aluminium.

Physical review letters·2026
Same author

Ultrafast X-ray Pump-Probe Investigation of the Formation Dynamics of SiV Centers in Diamond.

Journal of the American Chemical Society·2026
Same author

Advances in laser-based lithography and processing of semiconductors and insulators.

Journal of physics. Condensed matter : an Institute of Physics journal·2026
Same author

Yttrium-88 glass microsphere: A potential radiotracer for radioactive particle tracking applications.

Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine·2026
Same author

Probing ultrafast heating and ionization dynamics in solid density plasmas with time-resolved resonant X-ray absorption and emission.

Nature communications·2026
Same author

Probing laser-driven surface and subsurface dynamics via grazing-incidence XFEL scattering and diffraction.

IUCrJ·2026

Related Experiment Video

Updated: Mar 26, 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

3.5K

Ferromagnetic Mn-Implanted GaP: Microstructures vs Magnetic Properties.

Ye Yuan1,2, René Hübner1, Fang Liu1,2

  • 1Institute of Ion Beam Physics and Materials Research, Helmholtz-Zentrum Dresden Rossendorf , Bautzner Landstrasse 400, D-01328 Dresden, Germany.

ACS Applied Materials & Interfaces
|January 23, 2016
PubMed
Summary
This summary is machine-generated.

Pulsed laser annealing (PLA) of ferromagnetic GaMnP layers influences microstructure and magnetic properties. Optimizing PLA energy is crucial for achieving desired magnetic characteristics and spintronics applications.

Keywords:
GaMnPdilute ferromagnetic semiconductorsion implantationmagnetic propertiesmicrostructurespulsed laser annealing

More Related Videos

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

5.3K
Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing
15:58

Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing

Published on: December 3, 2013

6.2K

Related Experiment Videos

Last Updated: Mar 26, 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

3.5K
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

5.3K
Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing
15:58

Measurement of Coherence Decay in GaMnAs Using Femtosecond Four-wave Mixing

Published on: December 3, 2013

6.2K

Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Spintronics

Background:

  • Ferromagnetic semiconductor materials like GaMnP are promising for spintronics.
  • Controlling material properties through processing is essential for device applications.

Purpose of the Study:

  • To systematically investigate the impact of pulsed laser annealing (PLA) energy on the microstructure and magnetic properties of ferromagnetic GaMnP layers.
  • To establish the relationship between processing parameters and material characteristics.

Main Methods:

  • Ion implantation and pulsed laser annealing (PLA) for material fabrication.
  • High-resolution X-ray diffraction (HR-XRD), transmission electron microscopy (TEM), Rutherford backscattering spectrometry (RBS), ultraviolet Raman spectroscopy (UV-RS), and extended X-ray absorption fine structure (EXAFS) for microstructural analysis.
  • Magnetic property measurements, including Curie temperature (TC) and uniaxial magnetic anisotropy.

Main Results:

  • An optimized PLA energy density (0.40 J/cm²) resulted in an epitaxial GaMnP layer with minimal defects.
  • Increased PLA energy led to the formation and expansion of defective domains, evidenced by a forbidden TO vibrational mode.
  • Higher defect concentrations correlated with reduced Curie temperature and uniaxial magnetic anisotropy.

Conclusions:

  • Pulsed laser annealing parameters critically influence the microstructure and magnetic properties of GaMnP layers.
  • Defect formation during PLA significantly degrades magnetic performance, impacting spintronics applications.
  • Precise control over PLA is necessary to optimize ferromagnetic GaMnP for spintronics devices.