Ferromagnetic resonance oscillating field strength

In summary, ferromagnetic resonance oscillating field strength is the strength of the external magnetic field needed to induce resonance in a ferromagnetic material. It is typically measured using a technique called ferromagnetic resonance (FMR) and is influenced by factors such as the material's magnetic anisotropy, size and shape, and the frequency and amplitude of the applied magnetic field. This parameter is important in researching magnetic materials and can be controlled by adjusting the external magnetic field or modifying the material's properties.
  • #1
anorred
59
0
Hello. What oscillating field strength, in tesla, is required to cause the magnetization vector of a ferromagnetic material to precess with a fairly large angle at its resonance frequency? I can't find this number anywhere!
 
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  • #2
The bias field that needs to be applied typically ranges from 0.1mT to 100mT.
 

Related to Ferromagnetic resonance oscillating field strength

1. What is ferromagnetic resonance oscillating field strength?

Ferromagnetic resonance oscillating field strength is the strength of the external magnetic field needed to induce resonance in a ferromagnetic material. It is a measure of the ability of the material to absorb and re-emit energy from the applied magnetic field.

2. How is ferromagnetic resonance oscillating field strength measured?

Ferromagnetic resonance oscillating field strength is typically measured using a technique called ferromagnetic resonance (FMR). This involves applying a varying magnetic field to the material and measuring the resulting changes in its electrical properties, such as conductivity or permittivity.

3. What factors affect ferromagnetic resonance oscillating field strength?

The ferromagnetic resonance oscillating field strength is influenced by several factors, including the material's magnetic anisotropy, the shape and size of the material, and the frequency and amplitude of the applied magnetic field.

4. How is ferromagnetic resonance oscillating field strength used in research?

Ferromagnetic resonance oscillating field strength is an important parameter in the study of magnetic materials, such as in the development of new magnetic storage devices or in understanding the behavior of magnetic nanoparticles. It can also be used to investigate the magnetic properties of thin films and multilayer structures.

5. Can ferromagnetic resonance oscillating field strength be controlled?

Yes, the ferromagnetic resonance oscillating field strength can be controlled by changing the external magnetic field or by modifying the properties of the material itself, such as its composition or shape. This allows for fine-tuning of the magnetic properties and can be useful in various applications.

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