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■京化■京都大学理学部化学科・京都大学大学院理学研究科学専攻

森山 貴広(准教授)

専門分野
スピントロニクス、磁気ダイナミクス、磁性材料
研究テーマ
高周波スピントロニクスデバイスに関する研究
代表的な論文
  1. D. C. Ralph, Y.-T. Cui, L. Q. Liu, T. Moriyama, C. Wang, and R. A. Buhrman, “Spin-transfer torque in nanoscale magnetic devices.”, Philosophical Transactions of the Royal Society A 369, 3617 (2011).
  2. L. Q. Liu, T. Moriyama, D. C. Ralph, and R. A. Buhrman, "Spin torque ferromagnetic resonance induced by the Spin Hall Effect", Physical Review Letters 106, 036601 (2011).
  3. T. Moriyama, T. Gudmundsen, P. Y. Huang, L. Liu , D. A. Muller, R. A. Buhrman , D. C. Ralph, “Tunnel Magnetoresistance and Spin Torque Switching in MgO-based Magnetic Tunnel Junctions with a Co/Ni Multilayer Electrode”, Applied Physics Letters 97, 072513 (2010).
  4. L. Liu, T. Moriyama, D. C. Ralph, and R. A. Buhrman, “Reduction of the spin-torque critical current by partially canceling the free layer demagnetization field”, Applied Physics Letters 94, 122508 (2009).
  5. X. Fan, R. Cao, T. Moriyama, W. Wang, H. W. Zhang, J. Q. Xiao, “Magnetic tunnel junction based microwave detector” Applied Physics Letters 95, 122501 (2009)
  6. T. Moriyama, X. Fan, Y. Q. Wen, H. W. Zhang, and J. Q. Xiao, "FMR spectroscopy with very large precessioin cone angle in magnetic tunnel junctions", IEEE Transactions on Magnetics 45, 2047(2009).
  7. R. Cao, T. Moriyama, W. G. Wang, X. Fan, J. Kolodzey, S. H. Chen, C. R. Chang, Y. Tserkovnyak, B. K. Nikolic, J. Q. Xiao, “Spin-Polarized Transport and Dynamics in Magnetic Tunneling Structures”, IEEE Transactions on Magnetics 45, 3434 (2009)
  8. R. Cao, X. Fan, T. Moriyama, and J. Q. Xiao, “Nonlinear effective spin-mixing conductance in Pt/Ni80Fe20/Pt thin films”, Journal of Applied Physics 105, 07C705 (2009)
  9. T. Moriyama, R. Cao, X. Fan, G. Xuan, B. K. Nikolic´, Y. Tserkovnyak, J. Kolodzey, and J. Q. Xiao, "Tunnel barrier enhanced voltage signal generated by magnetization precession of a single ferromagnetic layer", Physical Review Letters 100, 067602 (2008).
  10. Y. Tserkovnyak, T. Moriyama, and J. Q. Xiao, "Tunnel-barrier enhanced voltage induced by magnetization dynamincs", Physical Review B 78, 020401(R) (2008).
  11. T. Moriyama, R. Cao, J. Q. Xiao, J. Lu, X. R. Wang, Q. Wen, and H. W. Zhang, "Magnetization reversed by microwave in magnetic tunnel junctions", Journal of Applied Physics 103, 07A906 (2008).
  12. W. G. Wang, C. Ni, A. Rumaiz, Y. Wang, X. Fan, T. Moriyama, R. Cao, Q. Y. Wen, H. W. Zhang, and J. Q. Xiao, "Real-time evolution of tunneling magnetoresistance during annealing in CoFeB/MgO/CoFeB magnetic tunnel junctions", Applied Physics Letters 92, 152501 (2008).
  13. W. G. Wang, K. J. Yeeb, D. H. Kimc, X. R. Wang, C. Ni, T. Moriyama, A. Mathew, R. Opilae, T. Zhu, and J. Q. Xiao, "Properties Of (Zn,Cr)Te Films Fabricated By Magnetron Sputtering", Physical Review B 77, 155207 (2008).
  14. Y. Z. Liu, W. G. Wang, T. Moriyama, J. Q. Xiao, and Z. Zhang, "Direct measurement of barrier asymmetry in AlOx/ZrOy magnetic tunnel junctions using off-axis electron holography", Physical Review B 75, 134420 (2007).
  15. T. Moriyama, R. Cao, J. Q. Xiao, J. Lu, X. R. Wang, Q. Wen, and H. W. Zhang, "Microwave-assisted magnetization switching of Ni80Fe20 in magnetic tunnel junctions", Applied Physics Letters 90, 152503 (2007).
  16. M. J. Bonder, B. Srinivasan, G. Poirier, T. Moriyama, K. L. Kiick, and G. C. Hadjipanayis, "In vitro heating with polyethylene glycol coated Fe nanoparticles", Ieee Transactions on Magnetics 42, 3602 (2006).
  17. W. G. Wang, C. Ni, T. Moriyama, J. Wan, E. Nowak, and J. Q. Xiao, "Spin-polarized transport in hybrid (Zn,Cr)Te/Al2O3/Co magnetic tunnel junctions", Applied Physics Letters 88, 202501 (2006).
  18. T. Moriyama, C. Ni, W. G. Wang, X. Zhang, and J. Q. Xiao, "Tunneling magnetoresistance in (001)-oriented FeCo/MgO/FeCo magnetic tunneling junctions grown by sputtering deposition", Applied Physics Letters 88, 222503 (2006).
  19. T. Moriyama, S. Mitani, T. Seki, T. Shima, K. Takanashi, and A. Sakuma, "Magnetic tunnel junctions with L1(0)-ordered FePt alloy electrodes", Journal of Applied Physics 95, 6789 (2004).
  20. S. Mitani, T. Moriyama, and K. Takanashi, "Fe/MgO/FeCo(100) epitaxial magnetic tunnel junctions prepared by using in situ plasma oxidation", Journal of Applied Physics 93, 8041 (2003).
  21. S. Mitani, T. Moriyama, and K. Takanashi, "Structure and tunnel magnetoresistance in Fe/MgF2/Co junctions with an oxide seed layer on an Fe bottom electrode", Journal of Applied Physics 91, 7200 (2002).
  22. T. Moriyama, S. Mitani, and K. Takanashi, "Tunnel Magnetoresistance in Fe/MgO/MgF2/Co Junctions", Journal of the Magnetics Society of Japan 26, 405 (2002).
略歴・受賞
学歴
2001.3 東北大学工学部材料物性学科 卒業
2003.3 東北大学大学院工学研究科博士課程前期 修了
2008.8 デラウェア大学(米国) 物理学科Ph.D. Course 修了
2008.8 物理学Ph.D.(米国) 取得
職歴
2004. 9 デラウェア大学(米国)研究助手
2008. 8 コーネル大学(米国)物理・応用物理学科 博士研究員
2011.11 TDK-Headway Technologies, Inc. R&D (米国) Senior Engineer
2012. 8 京都大学化学研究所助教
受賞
2003.7 デラウェア大学(米国)研究助手奨学金 授与
2004.9 Scholastic Excellence Named In Dean's List, University of Delaware
連絡先
部屋番号 化学研究所 S-233C
電話番号 0774-38-3106
電子メール mtaka + @scl.kyoto-u.ac.jp
リンク
ナノスピントロニクス分科紹介(京化サイト内)
小野研究室のホームページ
森山貴広の研究者情報

(最終更新日;2016年04月12日)

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