Realization of a scanning soft X-ray microscope for magnetic imaging under high magnetic fields

Yoshinori Kotani; Yasunori Senba; Kentaro Toyoki; David Billington; Hiroyuki Okazaki; Akira Yasui; Wakana Ueno; Haruhiko Ohashi; Satoshi Hirosawa; Yu Shiratsuchi; Tetsuya Nakamura

doi:10.1107/S1600577518009177

Realization of a scanning soft X-ray microscope for magnetic imaging under high magnetic fields

Yoshinori Kotani, Yasunori Senba, Kentaro Toyoki, David Billington, Hiroyuki Okazaki, Akira Yasui, Wakana Ueno, Haruhiko Ohashi, Satoshi Hirosawa, Yu Shiratsuchi, Tetsuya Nakamura

International Center for Synchrotron Radiation Innovation Smart (SRIS)

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

31 Citations (Scopus)

Abstract

For the purpose of imaging element- and shell-specific magnetic distributions under high magnetic fields, a scanning soft X-ray microscope has been developed at beamline BL25SU, SPring-8, Japan. The scanning X-ray microscope utilizes total electron yield detection of absorbed circularly polarized soft X-rays in order to observe magnetic domains through the X-ray magnetic circular dichroism effect. Crucially, this system is equipped with an 8 T superconducting magnet. The performance and features of the present system are demonstrated by magnetic domain observations of the fractured surface of a Nd_14.0Fe_79.7Cu_0.1B_6.2 sintered magnet.

Original language	English
Pages (from-to)	1444-1449
Number of pages	6
Journal	Journal of Synchrotron Radiation
Volume	25
Issue number	5
DOIs	https://doi.org/10.1107/S1600577518009177
Publication status	Published - 2018 Sept

Keywords

magnetic domains
Nd–Fe–B
X-ray magnetic circular dichroism
X-ray microscopy

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10.1107/S1600577518009177

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title = "Realization of a scanning soft X-ray microscope for magnetic imaging under high magnetic fields",

abstract = "For the purpose of imaging element- and shell-specific magnetic distributions under high magnetic fields, a scanning soft X-ray microscope has been developed at beamline BL25SU, SPring-8, Japan. The scanning X-ray microscope utilizes total electron yield detection of absorbed circularly polarized soft X-rays in order to observe magnetic domains through the X-ray magnetic circular dichroism effect. Crucially, this system is equipped with an 8 T superconducting magnet. The performance and features of the present system are demonstrated by magnetic domain observations of the fractured surface of a Nd14.0Fe79.7Cu0.1B6.2 sintered magnet.",

keywords = "magnetic domains, Nd–Fe–B, X-ray magnetic circular dichroism, X-ray microscopy",

author = "Yoshinori Kotani and Yasunori Senba and Kentaro Toyoki and David Billington and Hiroyuki Okazaki and Akira Yasui and Wakana Ueno and Haruhiko Ohashi and Satoshi Hirosawa and Yu Shiratsuchi and Tetsuya Nakamura",

note = "Funding Information: Elements Strategy Initiative Center for Magnetic Materials (ESICMM) is funded by Ministry of Education, Culture, Sports, Science and Technology (MEXT). Publisher Copyright: {\textcopyright} Yoshinori Kotani et al. 2018",

year = "2018",

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doi = "10.1107/S1600577518009177",

language = "English",

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AU - Kotani, Yoshinori

AU - Senba, Yasunori

AU - Toyoki, Kentaro

AU - Billington, David

AU - Okazaki, Hiroyuki

AU - Yasui, Akira

AU - Ueno, Wakana

AU - Ohashi, Haruhiko

AU - Hirosawa, Satoshi

AU - Shiratsuchi, Yu

AU - Nakamura, Tetsuya

N1 - Funding Information: Elements Strategy Initiative Center for Magnetic Materials (ESICMM) is funded by Ministry of Education, Culture, Sports, Science and Technology (MEXT). Publisher Copyright: © Yoshinori Kotani et al. 2018

PY - 2018/9

Y1 - 2018/9

N2 - For the purpose of imaging element- and shell-specific magnetic distributions under high magnetic fields, a scanning soft X-ray microscope has been developed at beamline BL25SU, SPring-8, Japan. The scanning X-ray microscope utilizes total electron yield detection of absorbed circularly polarized soft X-rays in order to observe magnetic domains through the X-ray magnetic circular dichroism effect. Crucially, this system is equipped with an 8 T superconducting magnet. The performance and features of the present system are demonstrated by magnetic domain observations of the fractured surface of a Nd14.0Fe79.7Cu0.1B6.2 sintered magnet.

AB - For the purpose of imaging element- and shell-specific magnetic distributions under high magnetic fields, a scanning soft X-ray microscope has been developed at beamline BL25SU, SPring-8, Japan. The scanning X-ray microscope utilizes total electron yield detection of absorbed circularly polarized soft X-rays in order to observe magnetic domains through the X-ray magnetic circular dichroism effect. Crucially, this system is equipped with an 8 T superconducting magnet. The performance and features of the present system are demonstrated by magnetic domain observations of the fractured surface of a Nd14.0Fe79.7Cu0.1B6.2 sintered magnet.

KW - magnetic domains

KW - Nd–Fe–B

KW - X-ray magnetic circular dichroism

KW - X-ray microscopy

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EP - 1449

JO - Journal of Synchrotron Radiation

JF - Journal of Synchrotron Radiation

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Realization of a scanning soft X-ray microscope for magnetic imaging under high magnetic fields

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Keywords

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