- I am referring to the B-H hysteresis curve of a ferromagnet under a cycled H field
- I understand thermal disorder increases as higher temperatures, resulting in a transition to paramagnetism above the Curie temperature.
- However, I expect at saturation that the system energy is lowest by having all dipoles aligned with the H field, regardless of the temperature.
- With this understanding, I expect that the saturation magnetization would be a material property independent of the temperature.
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