ferromagnetic

/'feroumæg'netik/

Thân thiện

Definition

1. Adjective:
   • Exhibiting ferromagnetism: Describes a material that can become permanently magnetized or is strongly attracted to magnets. This property is characterized by the parallel alignment of magnetic moments in domains within the material.
   • Relating to ferromagnetism: Pertaining to the phenomenon or the study of strong, permanent magnetism.

Usage

• The term is used primarily in physics, materials science, and engineering to classify and describe the magnetic properties of substances.
• It is an attributive adjective, commonly placed before a noun (e.g., ferromagnetic material).
• It describes an inherent property of a material, not a temporary state.

Examples

• Adjective:
  • Iron, nickel, and cobalt are classic ferromagnetic elements.
  • The hard drive platters are coated with a ferromagnetic film for data storage.
  • Scientists are studying new ferromagnetic alloys for more efficient motors.

Advanced Usage

• "Ferromagnetic resonance": A spectroscopic technique to study the magnetic properties of ferromagnetic materials.
  • Ferromagnetic resonance was used to characterize the thin film sample.
• "Ferromagnetic ordering": Refers to the aligned arrangement of electron spins that gives rise to ferromagnetism.
  • Below the Curie temperature, the material exhibits ferromagnetic ordering.

Variants and Related Words

• Ferromagnetism (n): The property of being ferromagnetic; the strong attraction to a magnet.
  • The ferromagnetism of the material disappears above its Curie point.
• Ferromagnet (n): A substance that exhibits ferromagnetism.
  • A neodymium magnet is a powerful ferromagnet.

Synonyms

• Magnetic (in a strong, permanent sense; though "magnetic" is a broader term).
• Attracted to a magnet (descriptive phrase).

Antonyms

• Diamagnetic: Weakly repelled by a magnetic field.
• Paramagnetic: Weakly attracted to a magnetic field, but not permanently magnetizable.
• Antiferromagnetic: Having adjacent magnetic moments aligned in opposite directions, resulting in no net magnetization.

Related Phrases/Compounds

• Ferromagnetic material: The most common compound usage.
  • The core of the transformer is made from a ferromagnetic material.
• Ferromagnetic domain: A region within a ferromagnetic material where all magnetic moments are aligned.
  • The image shows the distinct ferromagnetic domains in the crystal.

Học thuật

Adjective

1. relating to or demonstrating ferromagnetism