Probing the Magnetic Polarizations of Delocalized Electrons in Exchange-coupled Co/CuNi Multilayers by X-ray Magnetic Circular Dichroism Measurements
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- Ishiji Kotaro
- Research and Education Center for Materials Science, Nara Institute of Science and Technology
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- Yamasaki Hironori
- Graduate School of Materials Science, Nara Institute of Science and Technology
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- Masui Takahito
- Graduate School of Materials Science, Nara Institute of Science and Technology
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- Hashizume Hiroo
- Research and Education Center for Materials Science, Nara Institute of Science and Technology
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Magnetic polarizations of delocalized electrons in spacer layers are detected in exchange-coupled Co/CuNi multilayers by a measurement of X-ray magnetic circular dichroic absorptions. The size of the Cu K-edge dichroism shows a variation closely related to the oscillatory exchange coupling as a function of the spacer CuNi thickness. The magnetic polarization of the CuNi 4p electrons is locally minimal at the spacer thickness where the magnetoresistance reaches a local maximum, indicating that the integrated local spin density in the spacer layer oscillates with the spacer thickness with the same period as, but in 180° phase with, the indirect coupling of the Co moments across the CuNi layer.
収録刊行物
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 74 (2), 753-757, 2005
一般社団法人 日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1390282679164507520
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- NII論文ID
- 110001979442
- 210000105883
- 130004539135
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- NII書誌ID
- AA00704814
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- BIBCODE
- 2005JPSJ...74..753I
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 7251631
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可