Magnetic flux density measurements from narrow grain boundaries produced in sintered permanent magnets

Youngji Cho, Sujin Lee, Yasukazu Murakami

Research output: Contribution to journalArticlepeer-review

Abstract

This review examines methods of magnetic flux density measurements from the narrow grain boundary (GB) regions, the thickness of which is of the order of nanometers, produced in Nd-Fe-B-based sintered magnets. Despite of the complex crystallographic microstructure and the significant stray magnetic field of the sintered magnet, recent progress in electron holography allowed for the determination of the intrinsic magnetic flux density due to the GB which is embedded in the polycrystalline thin-foil. The methods appear to be useful as well for intensive studies about interface magnetism in a variety of systems.

Original languageEnglish
Pages (from-to)17-23
Number of pages7
JournalMicroscopy (Oxford, England)
Volume70
Issue number1
DOIs
Publication statusPublished - Feb 1 2021

All Science Journal Classification (ASJC) codes

  • Structural Biology
  • Instrumentation
  • Radiology Nuclear Medicine and imaging

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