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Nucleation of reversed domains at grain boundaries
1993
Journal of Applied Physics
Micromagnetic analysis using a finite-element technique confirms that intergrain magnetostatic and exchange interactions drastically affect the magnetization reversal mechanism in nucleation controlled permanent magnets. The investigation of the nucleation fields of magnetically coupled grains emphasizes the important role of nonmagnetic boundary phases and well-aligned grains for the enhancement of coercivity. The long-range magnetostatic interactions between the grains reduce the coercive
doi:10.1063/1.352597
fatcat:tsmvafzm6zhvpg4ycrufq5xldy