Novel magnetic domain structure in iron meteorite induced by the presence of L10-FeNi

Masato Kotsugi, Chiharu Mitsumata, Hiroshi Maruyama, Takanori Wakita, Toshiyuki Taniuchi, Kanta Ono, Motohiro Suzuki, Naomi Kawamura, Naoki Ishimatsu, Masaharu Oshima, Oshio Watanabe, Masaki Taniguchi

Research output: Contribution to journalArticlepeer-review

49 Citations (Scopus)

Abstract

Photoelectron emission microscopy has been carried out to study the magnetic properties of iron meteorite associated with the Widmanstatten structure for the first time. A magnetic circular dichroic image reveals a unique magnetic domain structure, resulting in the "head-on" magnetic coupling over the interface between the α and γ lamellae. Such a magnetic domain structure is unfavorable in any synthetic Fe-Ni alloys. Micromagnetics simulation reasonably explains that the formation of magnetic domains is induced by the L10-type FeNi (tetrataenite) phase segregated at the boundary in the Widmanstätten structure.

Original languageEnglish
Article number013001
JournalApplied Physics Express
Volume3
Issue number1
DOIs
Publication statusPublished - Jan 2010
Externally publishedYes

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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