Question

Is there a maximum frequency at which hysteresis appears?

Answer 1

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⭐If a ferromagnetic material is immersed in an alternating magnetic field at frequency ω, the material will follow a hysteresis cycle at that frequency. But if that frequency is high enough, the spins will oscillate more and more, and I think it will somehow increase the temperature of the material (because in a classical picture: more frequency ⇒ more velocity ⇒ more kinetic energy ⇒ more temperature.)




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