Evidence for domain wall pinning by a magnetic grain-boundary phase in sintered Nd-Fe-B based permanent magnets
- 15 April 1988
- journal article
- conference paper
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 63 (8) , 3321-3323
- https://doi.org/10.1063/1.340824
Abstract
Low‐field thermomagnetic analysis of sintered Nd(Dy)‐Fe(Co)‐B magnets provides new evidence that the high coercivity near room temperature is due to the pinning of residual domain walls in a ferromagnetic grain‐boundary phase. The temperature where MHc drops to near zero appears to be the Curie point of that phase. It is 50–80 °C below the Tc of the 2‐14‐1 matrix.This publication has 11 references indexed in Scilit:
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