Magnetization reversal of the domain structure in the anti-perovskite nitride Co3FeN investigated by high-resolution X-ray microscopy

T. Hajiri, S. Finizio, M. Vafaee, Y. Kuroki, H. Ando, H. Sakakibara, A. Kleibert, L. Howald, F. Kronast, K. Ueda, H. Asano, M. Kläui

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4 Citations (Scopus)

Abstract

We performed X-ray magnetic circular dichroism (XMCD) photoemission electron microscopy imaging to reveal the magnetic domain structure of anti-perovskite nitride Co3FeN exhibiting a negative spin polarization. In square and disc patterns, we systematically and quantitatively determined the statistics of the stable states as a function of geometry. By direct imaging during the application of a magnetic field, we revealed the magnetic reversal process in a spatially resolved manner. We compared the hysteresis on the continuous area and the square patterns from the magnetic field-dependent XMCD ratio, which can be explained as resulting from the effect of the shape anisotropy, present in nanostructured thin films.

Original languageEnglish
Article number183901
JournalJournal of Applied Physics
Volume119
Issue number18
DOIs
Publication statusPublished - 2016 May 14
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy

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