Magnetic flux in soft magnetic Fe-Si-B-P-Cu amorphous alloy containing nanocrystallites analyzed by electron holography

Zentaro Akase, Kenta Kimura, Tomohiro Saito, Kodai Niitsu, Toshiaki Tanigaki, Yoh Iwasaki, Parmanand Sharma, Akihiro Makino, Daisuke Shindo

研究成果: Article査読

抄録

Electron holography is used to visualize the electromagnetic field inside and outside a sample with high resolution. However, for analysis of nanocrystalline materials, difficulties related to electron diffraction are expected to arise due to the random orientation of the nanocrystallites. Here we present a procedure to extract magnetic field information from holograms and reduce the effect of electron diffraction by paying attention to the contrast of bright-field images. As a demonstration, the difference in the intensity of the magnetic flux between the Fe-Si-B-P-Cu amorphous matrix and Fe-rich body-centered cubic (bcc) nanocrystallites is detected with this procedure.

本文言語English
論文番号168519
ジャーナルJournal of Magnetism and Magnetic Materials
541
DOI
出版ステータスPublished - 2022 1 1

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学

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