Domain structures of die-upset melt-spun NdFeB

L. Folks, R. Street, R. C. Woodward

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

Domain patterns at the surface of thermally demagnetized MQIII, anisotropic Nd2Fe14B permanent magnet produced by hot pressing and die-pressing and die-upsetting melt-spun ribbons have been obtained by Kerr microscopy. Patterns have been observed on surfaces perpendicular, parallel, and at an angle of ∼25°, to the direction of easy magnetization. The magnetic domains are shown to have a mazelike structure on a scale of approximately 0.3-0.5 μm in the plane perpendicular to the c axis. In the plane parallel to the c axis a much finer magnetic structure was observed. There is evidence that domains extend across the interfaces between neighboring ribbons.

Original languageEnglish (US)
Pages (from-to)910-912
Number of pages3
JournalApplied Physics Letters
Volume65
Issue number7
DOIs
StatePublished - 1994
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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