Construction and systematization of insulator spintronics
Project/Area Number |
24244051
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Research Category |
Grant-in-Aid for Scientific Research (A)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Condensed matter physics II
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Research Institution | Tohoku University |
Principal Investigator |
SAITOH Eiji 東北大学, 原子分子材料科学高等研究機構, 教授 (80338251)
|
Co-Investigator(Kenkyū-buntansha) |
MAEKAWA Sadamichi 国立研究開発法人日本原子力研究開発機構, 先端基礎研究センター, センター長 (60005973)
|
Project Period (FY) |
2012-04-01 – 2015-03-31
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Project Status |
Completed (Fiscal Year 2014)
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Budget Amount *help |
¥47,840,000 (Direct Cost: ¥36,800,000、Indirect Cost: ¥11,040,000)
Fiscal Year 2014: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2013: ¥16,120,000 (Direct Cost: ¥12,400,000、Indirect Cost: ¥3,720,000)
Fiscal Year 2012: ¥28,860,000 (Direct Cost: ¥22,200,000、Indirect Cost: ¥6,660,000)
|
Keywords | スピントロニクス |
Outline of Final Research Achievements |
We obtained following results by the research aiming at exploration of the physics in insulator spintronics and construction of a new spin-utilization technology. 1. We succeeded in efficient spin injection into organic polymer conductors that are fundamental materials in present electronics industry. 2. We discovered novel magnetoresistive effect emerging in paramagnetic metal in contact with the magnetic insulator, and found the origin is the exchange of spin current at the metal-insulator interface. 3. We succeeded in spin injection into paramagnetic and topological insulator despite the former does not have long-range magnetic order and the latter is conductive at the very surface only. 4. The efficiency of spin current generation in the magnetic insulator is successfully controlled by applying a heat flow. Furthermore, novel non-reciprocal thermal spin current effect that the heat is displaced by spin-current conversely was also discovered.
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Report
(4 results)
Research Products
(105 results)
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[Journal Article] Sign of inverse spin Hall voltages generated by ferromagnetic resonance and temperature gradients in yttrium iron garnet platinum bilayers2015
Author(s)
M. Schreier, G. E. W. Bauer, V. Vasyuchka, J. Flipse, K. Uchida, J. Lotze, V. Lauer, A. Chumak, A. Serga, S. Daimon, T. Kikkawa, E. Saitoh, B. J. van Wees, B. Hillebrands, R. Gross, S. T. B. Goennenwein
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Journal Title
Journal of Physics D: Applied Physics
Volume: 48
Issue: 2
Pages: 025001-025001
DOI
Related Report
Peer Reviewed / Acknowledgement Compliant
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[Journal Article] Spin Hall magnetoresistance induced by a Non-Equilibrium Proximity Effect2013
Author(s)
H. Nakayama, M. Althammer, Y-T. Chen, K. Uchida, Y. Kajiwara, D. Kikuchi, T. Ohtani, S. Geprags, M. Opel, S. Takahashi, R. Gross, G. E. W. Bauer, S. T. B. Goennenwein, E. Saitoh
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Journal Title
Physical Review Letters
Volume: 110
Issue: 20
DOI
Related Report
Peer Reviewed
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[Journal Article] Unidirectional spin-wave heat conveyer2013
Author(s)
T. An, V. Vasyuchka, K. Uchida, A. V. Chumak, K. Yamaguchi, K. Harii, J. Ohe, M. Jungfleisch, Y. Kajiwara, H. Adachi, B. Hillebands, S. Maekawa, and E. Saitoh
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Journal Title
Nature Materials
Volume: 12
Issue: 6
Pages: 549-553
DOI
Related Report
Peer Reviewed
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[Journal Article] Quantitative study of the spin Hall magnetoresistance in ferromagnetic insulator/normal metal hybrids2013
Author(s)
M. Althammer, S. Meyer, H. Nakayama, M. Schreier, S. Altmannshofer, M. Weiler, H. Huebl, S. Geprägs, M. Opel, R. Gross, D. Meier, C. Klewe, T. Kuschel, J. M. Schmalhorst, G. Reiss, L. Shen, A. Gupta, Y. -T. Chen, G. E. W. Bauer, E. Saitoh, and S. T. B. Goennenwein
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Journal Title
Physical Review B
Volume: 87
Issue: 22
DOI
Related Report
Peer Reviewed
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[Journal Article] Observation of the spin Seebeck effect in epitaxial Fe3O4 thin films2013
Author(s)
R. Ramos, T. Kikkawa, K. Uchida, H. Adachi, I. Lucas, M. Aguirre, P. Algarabel, L. Morellon, S. Maekawa, E. Saitoh, and M. Ibarra
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Journal Title
Appl. Phys. Lett
Volume: 102
Issue: 7
Pages: 72413-72413
DOI
Related Report
Peer Reviewed
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[Journal Article] Interface induced inverse spin Hall effect in bismuth/permalloy bilayer2012
Author(s)
D. Hou, Z. Qiu, K. Harii, Y. Kajiwara, K. Uchida, Y. Fujikawa, H. Nakayama, T. Yoshino, T. An, K. Ando, X. Jin, and E. Saitoh
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Journal Title
Applied Physics Letters
Volume: 101
Issue: 4
Pages: 0424031-4
DOI
Related Report
Peer Reviewed
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