Highly-efficient spin-polarized current source using half-metallic ferromagnet/superconductor junctions.
| Project/Area Number |
22560001
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Applied materials science/Crystal engineering
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| Research Institution | Hokkaido University |
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Principal Investigator |
MATSUDA Ken-ichi 北海道大学, 大学院・情報科学研究科, 助教 (80360931)
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| Co-Investigator(Kenkyū-buntansha) |
YAMAMOTO Masafumi 北海道大学, 大学院・情報科学研究科, 教授 (10322835)
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| Co-Investigator(Renkei-kenkyūsha) |
UEMURA Tetsuya 北海道大学, 大学院・情報科学研究科, 准教授 (21360140)
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| Project Period (FY) |
2010 – 2012
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| Project Status |
Completed (Fiscal Year 2012)
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| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2010: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Keywords | スピントロニクス / エピタキシャル成長 / 新機能材料 / 電子デバイス / 超伝導近接効果 / ハーフメタル強磁性体 / スピン注入素子 / 奇周波超伝導 |
|---|
| Research Abstract |
In this study, epitaxial growth of Co-based Heusler alloy/superconductor hetero-structures were achieved. Moreover, the existence of spin-polarized superconducting components was implied by the conductance measurement using the hetero-structures.
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Report
(4 results)
Research Products
(97 results)
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[Presentation] Temperature dependence of spin-dependent tunneling resistances of MgO-buffered Co MnSi / MgO / Co MnSi magnetic tunnel2 28. G. -f. Li, T. Taira, H.-x. Liu, K.-i.Matsuda, T. Uemura, and M. Yamamoto, "Tunnel magnetoresistance in fully epitaxial CoFe/MgO/CoFe magnetic tunnel junctions on Ge(001) substrates via a MgO interlayer2012
Author(s)
Y. Honda, H.-x. Liu, K.-i. Matsuda, T.Uemura, and M. Yamamoto
Organizer
5th Int'l Symposium on Global COE Program of Center for Next-Generation Information Technology Based on Knowledge Discovery and Knowledge Federation
Place of Presentation
Hokkaido University, Sapporo,Japan
Year and Date
2012-01-16
Related Report
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[Presentation] Co_2MnSiを用いたGaAsへのスピン注入および動的核スピンの検出2011
Author(s)
秋保貴史, 原田雅亘, 植村哲也, 松田健一, 山本眞史
Organizer
The 16th Symposium on the Physics and Application of Spin-Related Phenomena in Semiconductors (PASPS-16)
Place of Presentation
東京工業大学博物館・百年記念館 フェライト会議室、目黒区(東京都)
Year and Date
2011-11-29
Related Report
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[Presentation] Spin-dependent transport properties of fully epitaxial magnetic tunnel junctions of CoFe/MgO/CoFe ultrathin layer /Co2MnSi2011
Author(s)
H.-x. Liu, T. Taira, Y. Honda, K. -i.Matsuda, T. Uemura, M. Yamamoto, Y. Miura, and M. Shirai
Organizer
56th Annual Conf. onMagnetism & Magnetic Materials, JW Marriott Desert Ridge
Place of Presentation
Scottsdale, Arizona, USA
Year and Date
2011-11-01
Related Report
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[Presentation] 強磁性体/n-GaAsヘテロ接合におけるトンネル特性のMgO層挿入効果2010
Author(s)
秋保貴史, 原田雅亘, 植村哲也, 松田健一, 山本眞史
Organizer
The 15^<th> Symposium on the Physics and Application of Spin-Related Phenomena in Semiconductors (PASPS-15)
Place of Presentation
筑波大学(つくば市)
Year and Date
2010-12-21
Related Report
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