Soft x-ray magnetic circular dichroism study of magnetite nanoparticles

A. Yamasaki; H. Kobori; H. Osawa; T. Nakamura; A. Sugimura

doi:10.1088/1742-6596/150/4/042235

Soft x-ray magnetic circular dichroism study of magnetite nanoparticles

A. Yamasaki, H. Kobori, H. Osawa, T. Nakamura, A. Sugimura

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

The magnetic circular dichroism in the soft-x-ray core-level absorption (XMCD) of magnetite nanoparticles has been studied. The XMCD spectrum at the Fe L_2,3 edge closely resembles the reported one of bulk single crystals in shape. This suggests that the derived amorphous-like grain boundary and the size effect of the magnetite crystals do not significantly affect the electronic structures and the local magnetism of Fe ions. It is also found that the orbital magnetic moment on Fe ions is rather small or quenched.

Original language	English
Article number	042235
Journal	Journal of Physics: Conference Series
Volume	150
Issue number	4
DOIs	https://doi.org/10.1088/1742-6596/150/4/042235
Publication status	Published - 2009
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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abstract = "The magnetic circular dichroism in the soft-x-ray core-level absorption (XMCD) of magnetite nanoparticles has been studied. The XMCD spectrum at the Fe L2,3 edge closely resembles the reported one of bulk single crystals in shape. This suggests that the derived amorphous-like grain boundary and the size effect of the magnetite crystals do not significantly affect the electronic structures and the local magnetism of Fe ions. It is also found that the orbital magnetic moment on Fe ions is rather small or quenched.",

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AU - Yamasaki, A.

AU - Kobori, H.

AU - Osawa, H.

AU - Nakamura, T.

AU - Sugimura, A.

PY - 2009

Y1 - 2009

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AB - The magnetic circular dichroism in the soft-x-ray core-level absorption (XMCD) of magnetite nanoparticles has been studied. The XMCD spectrum at the Fe L2,3 edge closely resembles the reported one of bulk single crystals in shape. This suggests that the derived amorphous-like grain boundary and the size effect of the magnetite crystals do not significantly affect the electronic structures and the local magnetism of Fe ions. It is also found that the orbital magnetic moment on Fe ions is rather small or quenched.

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Soft x-ray magnetic circular dichroism study of magnetite nanoparticles

Abstract

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