2012 Fiscal Year Final Research Report
Fabrication of full metal CPP-spin valves with atomic order spacer layer and their magnetoresistance effect
| Project/Area Number |
23651144
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Multi-year Fund |
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| Research Field |
Microdevices/Nanodevices
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| Research Institution | Tohoku University |
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Principal Investigator |
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| Research Collaborator |
TAKAHASHI Hirokazu 東北大学, 大学院・工学研究科, 博士後期課程
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| Project Period (FY) |
2011 – 2012
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| Keywords | 磁性 / 磁気抵抗効果 / スピントロニクス / 交換磁気異方性 / スピンバルブ |
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| Research Abstract |
In order to develop a multilayer material in which magnetic moments steeply change their direction within atomic-order thickness, current-perpendicular to plane (CPP) magnetoresistance thin-film devices, consisted of Co based ferromagnetic layer and Ru spacer layer, were fabricated with UHV-sputtering method, and their transport properties were investigated. The interfacial uncompensated spins of Mn-Ir/ ferromagnetic bilayerswere also investigated with changing the ferromagnetic material. As a result, the exchange interaction at the interface and crystal structure of the ferromagnet were found to be important for large exchange anisotropy.
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[Journal Article] Soft X-ray Magnetic Circular Dichroism of a CoFe/MnIr Exchange Bias Film under Pulsed High Magnetic Field2011
Author(s)
T. Nakamura, Y. Narumi, T. Hirono, M.Hayashi, K. Kodama, M. Tsunoda, S. Isogami, H. Takahashi, T. Kinoshita, K. Kindo, and H. Nojiri
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Journal Title
Applied Physics Express
Volume: 4巻
Pages: 066602-1-3
DOI
Peer Reviewed
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