Abstract
The effects of the Ga precipitates in nanocrystalline Nd-Fe-Ga-B magnet on the demagnetization curve and spin distributions during the demagnetization process are studied using the finite element technique of micromagnetics. It is concluded that the drastic increase in coercivity by the Ga doping is due to the stress fields originating from the coherent precipitation of pure Ga. The void effect of the precipitates on coercivity is negligibly small.
| Original language | English |
|---|---|
| Pages (from-to) | 15-18 |
| Number of pages | 4 |
| Journal | Journal of Magnetism and Magnetic Materials |
| Volume | 247 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - May 2002 |
| Externally published | Yes |
Keywords
- Fe and its alloys
- Magnetization curves
- Nanocrystalline
- Permanent magnets
- Rare-earth alloys
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