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This paper describes the use of magnetic force microscopy MFM to observe magnetization reversal and nucleation in sintered permanent magnet materials. The investigated magnet is sintered Nd-Fe-B magnet. The domain structure is observed in both perpendicular and parallel surfaces to the alignment axis (easy axis) in a thermally demagnetized state. Maze-like and stripe-like magnetic domains are observed...
This paper describes the use of magnetic force microscopy (MFM) to investigate the domain structure of sintered Nd–Fe–B magnet in a thermally demagnetized state. Observations are made at both perpendicular and parallel surfaces to the alignment axis (easy axis). Clear magnetic contrast images in 3-D view with defined domain structures are presented. Mazelike magnetic domains and stripe magnetic domains...
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