Development of the magneto-resistive devices with high-output and low-power-consumption using L10/Heusler electrodes

• Project/Area Number: 24246002
• Research Category: Grant-in-Aid for Scientific Research (A)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Applied materials science/Crystal engineering
• Research Institution: Tohoku University
• Principal Investigator: OOGANE MIKIHIKO 東北大学, 工学(系)研究科(研究院), 准教授 (50396454)
• Project Period (FY): 2012-04-01 – 2015-03-31
• Project Status: Completed (Fiscal Year 2014)
• Budget Amount: ¥35,230,000 (Direct Cost: ¥27,100,000、Indirect Cost: ¥8,130,000); Fiscal Year 2014: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000); Fiscal Year 2013: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000); Fiscal Year 2012: ¥28,470,000 (Direct Cost: ¥21,900,000、Indirect Cost: ¥6,570,000)
• Keywords: スピンエレクトロニクス / ハーフメタル / ホイスラー合金 / トンネル接合 / L10合金 / トンネル磁気抵抗効果 / スピントロニクス

Outline of Final Research Achievements

We have fabricated L10-ordered Mn-based perpendicular magnetized ferromagnetic films with high magnetic anisotropy and low magnetic damping constant. Magnetic tunnel junctions (MTJs) with the multi-layer electrodes of Mn-based alloys and ferromagnetic films or Heusler alloys were fabricated. We have successfully observed tunnel magnetoresistance effect in the fabricated MTJs. In addition, very high MR ratio of 80% was observed at RT and spin-transfer-switching was also observed in CPP-GMR devices with Heusler alloy electrodes. These results indicate that developed devices are very useful in future spintronics field.

Research Products

• [Journal Article] Electrical Detection of Millimeter-Waves by Magnetic Tunnel Junctions Using Perpendicular Magnetized L10-FePd Free Layer (2015)
  • Author(s): Hiroshi Naganuma, G. Kim, Yuki Kawada, Nobuhito Inami, Kenzo Hatakeyama, Satoshi Iihama, Khan Mohammed Nazrul Islam, Mikihiko Oogane, Shigemi Mizukami, and Yasuo Ando
  • Journal Title: Nano Letters Volume: 15 Issue: 1 Pages: 623-628
  • DOI: 10.1021/nl504114v
  • Peer Reviewed / Acknowledgement Compliant
• [Journal Article] Magnetic Damping Constant in Co-based Full Heusler Alloy Epitaxial Films (2015)
  • Author(s): M. Oogane, T. Kubota, H. Naganuma, and Y. Ando
  • Journal Title: J. Phys. D: Appl. Phys Volume: 48 Issue: 16 Pages: 164012-164012
  • DOI: 10.1088/0022-3727/48/16/164012
  • Peer Reviewed / Open Access / Acknowledgement Compliant
• [Journal Article] Gilbert Damping Constant in epitaxial Co2Fe0.4Mn0.6Si Heusler alloys films (2015)
  • Author(s): Augustin L. Kwilu, Mikihiko Oogane, Hiroshi Naganuma, and Yasuo Ando
  • Journal Title: J. Appl. Phys. Volume: 117 Issue: 17
  • DOI: 10.1063/1.4917334
  • Peer Reviewed / Open Access / Acknowledgement Compliant
• [Journal Article] Mode change of vortex core oscillation induced by large direct current in 120 nm sized current perpendicular-to-plane giant magnetoresistance devices with a perpendicular polarizer (2014)
  • Author(s): Yuki Kawada, Hiroshi Naganuma, Ahmet Serdar Demiray, Mikihiko Oogane, and Yasuo Ando
  • Journal Title: Applied Physics Letters Volume: 105 Issue: 5
  • DOI: 10.1063/1.4892077
  • Peer Reviewed / Acknowledgement Compliant
• [Journal Article] Penetration depth of transverse spin current in (001)-oriented epitaxial ferromagnetic films (2014)
  • Author(s): A.L. Kwilu, H. Naganuma, M. Oogane, Y. Ando
  • Journal Title: Journal of Magnetism and Magnetic Materials Volume: 368 Pages: 333-337
  • DOI: 10.1016/j.jmmm.2014.05.043
  • Peer Reviewed / Acknowledgement Compliant
• [Journal Article] Correlations between atomic structure and giant magnetoresistance ratio in Co-2(Fe,Mn) Si spin valves (2014)
  • Author(s): L. Lari, K. Yoshida, P.L. Galindo, J. Sato, J. Sizeland, D. Gilks, G.M, Uddin, Z. Nedelkoski, P.J, Hasnip, A. Hirohata, M. Oogane, Y. Ando, V.K. Lazarov
  • Journal Title: Journal of Physics D- Applied Physics Volume: 47 Issue: 32 Pages: 322003-322003
  • DOI: 10.1088/0022-3727/47/32/322003
  • Peer Reviewed
• [Journal Article] Ultrafast magnetization dynamics in Co-based Heusler compounds with tuned chemical ordering (2014)
  • Author(s): D. Steil, O. Schmitt, R. Fetzer, T. Kubota, H. Naganuma, M. Oogane, Y. Ando, A.K. Suszka, O. Idigoras, G. Wolf, B. Hillebrands, A. Berger, M. Aeschlimann, M. Cinchetti
  • Journal Title: New Journal of Physics Volume: 16 Issue: 6 Pages: 063068-063068
  • DOI: 10.1088/1367-2630/16/6/063068
  • Peer Reviewed
• [Journal Article] Gilbert damping constants of Ta/CoFeB/MgO(Ta) thin films measured by optical detection of precessional magnetization dynamics (2014)
  • Author(s): Satoshi Iihama, Shigemi Mizukami, Hiroshi Naganuma, Mikihiko Oogane, Yasuo Ando, and Terunobu Miyazaki
  • Journal Title: Physical Review B Volume: 89 Issue: 17 Pages: 1744161-6
  • DOI: 10.1103/physrevb.89.174416
  • Peer Reviewed
• [Journal Article] Static and dynamic magnetic properties of cubic Mn-Co-Ga Heusler films (2014)
  • Author(s): A.S. Demiray, T. Kubota, S. Iihama, *S. Mizukami, T. Miyazaki, H. Naganuma, M. Oogane, Y. Ando
  • Journal Title: J. Appl. Phys Volume: 115 Issue: 17
  • DOI: 10.1063/1.4864250
  • Peer Reviewed
• [Journal Article] Tunnel magnetoresistance effect using perpendicularly magnetized tetragonal and cubic Mn-Co-Ga Heusler alloy electrode (2014)
  • Author(s): T. Kubota, S. Mizukami, Q.L. Ma, H. Naganuma, M. Oogane, Y. Ando, T. Miyazaki
  • Journal Title: J. Appl. Phys Volume: 115 Issue: 17
  • DOI: 10.1063/1.4855016
  • Peer Reviewed
• [Journal Article] Magnetization dynamics for L10MnGa/Fe exchange coupled bilayers (2014)
  • Author(s): S. Mizukami, T. Kubota, S. Iihama, R. Ranjbar, Q. Ma, X. Zhang, Y. Ando, T. Miyazaki
  • Journal Title: J. Appl. Phys Volume: 115 Issue: 17
  • DOI: 10.1063/1.4868087
  • Peer Reviewed
• [Journal Article] Abrupt Transition from Ferromagnetic to Antiferromagnetic of Interfacial Exchange in Perpendicularly Magnetized L10-MnGa/FeCo Tuned by Fermi Level Position (2014)
  • Author(s): Q.L. Ma, S. Mizukami, T. Kubota, X.M. Zhang, Y. Ando, T. Miyazaki
  • Journal Title: Phys. Rev. Lett Volume: 112 Issue: 15
  • DOI: 10.1103/physrevlett.112.157202
  • Peer Reviewed / Acknowledgement Compliant
• [Journal Article] Half-metal CPP GMR sensor for magnetic recording (2014)
  • Author(s): Iihama. S, Zhang. XM, Z. Diao, M. Chapline, Y. Zheng, C. Kaiser, A. Ghosh Roy, C.J Chien, C. Shang, Y. Ding, C. Yang, D. Mauri, Q. Leng, M. Pakala, Oogane. M, Ando. Y
  • Journal Title: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS Volume: 356 Pages: 73-81
  • DOI: 10.1016/j.jmmm.2013.12.050
  • Peer Reviewed
• [Journal Article] Observation of Precessional Magnetization Dynamics in L10-FePt Thin Films with Different L10 Order Parameter Values (2013)
  • Author(s): S. Iihama, S. Mizukami, N. Inami, T. Hiratsuka, Kim. G, H. Naganuma, M. Oogane, T. Miyazaki, Y. Ando
  • Journal Title: JAPANESE JOURNAL OF APPLIED PHYSICS Volume: 52 Issue: 7R Pages: 073002-073002
  • DOI: 10.7567/jjap.52.073002
  • NAID: 210000142442
  • Peer Reviewed
• [Journal Article] The Enhancement of Magnetic Damping in Fe_4N Films with Increasing Thickness (2013)
  • Author(s): S. Isogami, M. Tsunoda, M. Oogane, A. Sakuma, and M. Takahashi
  • Journal Title: Japanese Journal of Applied Physics Volume: 52 Issue: 7R Pages: 073001-073003
  • DOI: 10.7567/jjap.52.073001
  • Peer Reviewed
• [Journal Article] Fabrication of L10-Ordered MnAl Films for Observation of Tunnel Magnetoresistance Effect (2013)
  • Author(s): Haruaki Saruyama, Mikihiko Oogane, Yuta Kurimoto, Hiroshi Naganuma, and Yasuo Ando
  • Journal Title: Jpn. J. Appl. Phys. Volume: 52 Issue: 6R Pages: 063003-063003
  • DOI: 10.7567/jjap.52.063003
  • NAID: 210000142305
  • Peer Reviewed
• [Journal Article] Detection or sub-nano-Tesla Magnetic Field by 100x100 Integrated Magnetic Tunnel Junctions with Bottom Synthetic Antiferro-coupled Free Layer (2013)
  • Author(s): K. Fujiwara, M. Oogane, T. Nishikawa, H. Naganuma and Y. Ando
  • Journal Title: Japanese Journal of Applied Physics Volume: 52 Issue: 4S Pages: 04CM07-04CM07
  • DOI: 10.7567/jjap.52.04cm07
  • Peer Reviewed
• [Journal Article] Fabrication of Magnetic Tunnel Junctions with Amorphous CoFeSiB Ferromagnetic Electrode for Magnetic Field Sensor Devices (2013)
  • Author(s): D. Kato, M. Oogane, K. Fujiwara, T. Nishikawa, H. Naganuma, Y. Ando
  • Journal Title: APPLIED PHYSICS EXPRESS Volume: 6 Issue: 10 Pages: 103004-103004
  • DOI: 10.7567/apex.6.103004
  • NAID: 210000136826
  • Peer Reviewed
• [Journal Article] Enhancement of Spin Pumping Efficiency in Fe_4N/Pt Bilayer Films (2013)
  • Author(s): S. Isogami, M. Tsunoda, M. Oogane, A. Sakuma, and M. Takahashi
  • Journal Title: Applied Physics Express Volume: 6 Issue: 6 Pages: 063004-063007
  • DOI: 10.7567/apex.6.063004
  • Peer Reviewed
• [Journal Article] (2013)
  • Author(s): N. Tal, D. Mogilyanski, Andras Kovacs, Hiroshi Naganuma, Sumito Tsunegi, Mikihiko Oogane, Yasuo Ando, and Amit Kohn
  • Journal Title: Journal of Applied Physics Volume: 114巻 Issue: 16 Pages: 163904-163904
  • DOI: 10.1063/1.4826908
  • Peer Reviewed
• [Journal Article] Tunneling magnetoresistance effect in MnGa based perpendicular magnetic tunnel junction with Fe/Co interlayer (2013)
  • Author(s): Ma. QL, S. Mizukami, T. Kubota, Zhang. XM, A. Sugihara, H. Naganuma, M. Oogane, Y. Ando, T. Miyazaki
  • Journal Title: JOURNAL OF APPLIED PHYSICS Volume: 114 Issue: 16
  • DOI: 10.1063/1.4828483
  • Peer Reviewed
• [Journal Article] Interface tailoring effect on magnetic properties and their utilization in MnGa-based perpendicular magnetic tunnel junctions (2013)
  • Author(s): Ma. QL, T. Kubota, S. Mizukami, Zhang. XM, H. Naganuma, M. Oogane, Y. Ando, T. Miyazaki
  • Journal Title: PHYSICAL REVIEW B Volume: 87 Issue: 18
  • DOI: 10.1103/physrevb.87.184426
  • Peer Reviewed
• [Journal Article] Magnetoresistance Enhancement in MnxGa100-x/MgO/CoFeB Perpendicular Magnetic Tunnel Junctions by Using CoFeB Interlayer (2013)
  • Author(s): Ma. QL, T. Kubota, S. Mizukami, Zhang. XM, M. Oogane, H. Naganuma, Y. Ando, T. Miyazaki
  • Journal Title: IEEE TRANSACTIONS ON MAGNETICS Volume: 49 Issue: 7 Pages: 4339-4342
  • DOI: 10.1109/tmag.2013.2242861
  • Peer Reviewed
• [Journal Article] Magnetic tunnel junctions of perpendicularly magnetized L10 MnGa/Fe/MgO/CoFe structures: Fe-layer-thickness dependences of magnetoresistance effect and tunneling conductance spectra (2013)
  • Author(s): T Kubota, Q. L. Ma, S. Mizukami, X. M. Zhang, H. Naganuma, M. Oogane, Y. Ando, and T. Miyazaki
  • Journal Title: J. Phys. D Volume: 46 Issue: 15 Pages: 155001-155001
  • DOI: 10.1088/0022-3727/46/15/155001
  • Peer Reviewed
• [Journal Article] Nonlinear Emission of Spin-Wave Caustics from an Edge Mode of a Microstructured Co2Mn0.6Fe0.4Si Waveguide (2013)
  • Author(s): Sebastian. T, Bracher. T, Pirro. P, Serga. AA, Hillebrands. B, T. Kubota, H. Naganuma, M. Oogane, Y. Ando
  • Journal Title: PHYSICAL REVIEW LETTERS Volume: 110 Issue: 6
  • DOI: 10.1103/physrevlett.110.067201
  • Peer Reviewed
• [Journal Article] Fabrication of L10-ordered MnAl films for observation of tunnel magnetoresistance effect (2013)
  • Author(s): M. oogane
  • Journal Title: Jpn. J. Appl. Phys. Volume: 掲載決定
  • NAID: 210000142305
  • Peer Reviewed
• [Presentation] 高強度レーザーを用いたMgO/CoFeB 垂直磁化膜におけるダンピング定数の温度依存性 (2014)
  • Author(s): 佐々木悠太，水上成美，飯浜賢志，永沼博, 大兼幹彦, 安藤康夫
  • Organizer: 応用物理学会東北支部第69 回学術講演会
  • Place of Presentation: 仙台, 青葉記念会館
  • Year and Date: 2014-12-04 – 2014-12-05
• [Presentation] FePd/MgO 界面の挿入層によるL10-FePd の磁気特性の改善 (2014)
  • Author(s): 大和田純史，永沼博，大兼幹彦，安藤康夫
  • Organizer: 応用物理学会東北支部第69 回学術講演会
  • Place of Presentation: 仙台, 青葉記念会館
  • Year and Date: 2014-12-04 – 2014-12-05
• [Presentation] L10-MnAl/CoxFe1-x二層膜の結晶構造と磁気特性 (2014)
  • Author(s): 栗本雄太, 猿山陽鏡, 大兼幹彦, 永沼博,安藤康夫
  • Organizer: 応用物理学会東北支部第69 回学術講演会
  • Place of Presentation: 仙台, 青葉記念会館
  • Year and Date: 2014-12-04 – 2014-12-05
• [Presentation] Al-Doping effect on Annealing Stability in MgO-Based Magnetic Tunnel Junctions for Magnetic Sensor with Perpendicularly Magnetized CoFeB Sensing Layer (2014)
  • Author(s): Takafumi Nakano, Mikihiko Oogane, Hiroshi Naganuma, Toshifumi Yano, Kenichi Ao, and Yasuo Ando
  • Organizer: MMM2014
  • Place of Presentation: Honolulu, Hilton Hawaiian Village Beach Resort
  • Year and Date: 2014-11-03 – 2014-11-07
• [Presentation] Static and dynamic magnetic properties of cubic Mn3-xCoxGa Heusler thin films (2014)
  • Author(s): A. S. Demiray, T. Kubota, S. Iihama, S. Mizukami, T. Miyazaki, M. Oogane, H. Naganuma and Y. Ando
  • Organizer: MMM2014
  • Place of Presentation: Honolulu, Hilton Hawaiian Village Beach Resort
  • Year and Date: 2014-11-03 – 2014-11-07
• [Presentation] Magnetization Precession with Low Damping for Perpendicularly Magnetized L10-FePd Films Grown on SrTiO3 Substrate (2014)
  • Author(s): S. Iihama, S. Mizukami, H. Naganuma, T. Miyazaki, M. Oogane, and Y. Ando
  • Organizer: The 75th JSAP Autumn Meeting
  • Place of Presentation: Hokkaido, Hokkaido Univ.
  • Year and Date: 2014-09-17 – 2014-09-20
• [Presentation] Tunnel Magnetoresistance Effect in Magnetic Tunnel Junctions using Perpendicularly Magnetized [Co75Fe25/Pd] Multilayer (2014)
  • Author(s): K. Mukaiyama, H. Naganuma, M. Oogane, Y. Ando
  • Organizer: The 75th JSAP Autumn Meeting
  • Place of Presentation: Hokkaido, Hokkaido Univ.
  • Year and Date: 2014-09-17 – 2014-09-20
• [Presentation] Improvement of Annealing Stability in Magnetic Sensors Based on Magnetic Tunnel Junction by Using CoFeB/CoFeAlB-Sensing Bilayer (2014)
  • Author(s): Takafumi Nakano, Mikihiko Oogane, Hiroshi Naganuma, Toshifumi Yano, Kenichi Ao, and Yasuo Ando
  • Organizer: The 75th JSAP Autumn Meeting
  • Place of Presentation: Hokkaido, Hokkaido Univ.
  • Year and Date: 2014-09-17 – 2014-09-20
• [Presentation] Fabrication of Magnetic Tunnel Junctions with Co2Fe0.4Mn0.6Si Heusler Alloy for Magnetic Field Sensor Devices (2014)
  • Author(s): Atsuo Ono, Mikihiko Oogane, Hiroshi Naganuma, and Yasuo Ando
  • Organizer: The 75th JSAP Autumn Meeting
  • Place of Presentation: Hokkaido, Hokkaido Univ.
  • Year and Date: 2014-09-17 – 2014-09-20
• [Presentation] Spin-Wave Propagation Detected using All-Optical TR-MOKE Microscope in Permalloy Films (2014)
  • Author(s): S. Iihama, S. Mizukami, M. Endo, Y. Sasaki, A. Sugihara, H. Naganuma, M. Oogane, T. Miyazaki, and Y. Ando
  • Organizer: The 75th JSAP Autumn Meeting
  • Place of Presentation: Hokkaido, Hokkaido Univ.
  • Year and Date: 2014-09-17 – 2014-09-20
• [Presentation] High Power Laser Induced Spin Precessional Dynamics of CoFeB Films (2014)
  • Author(s): Y. Sasaki, S. Mizukami, S. Iihama, H. Naganuma, M. Oogane, and Y. Ando
  • Organizer: The 75th JSAP Autumn Meeting
  • Place of Presentation: Hokkaido, Hokkaido Univ.
  • Year and Date: 2014-09-17 – 2014-09-20
• [Presentation] Structural and magnetic properties of L10-MnAl/Co multilayer (2014)
  • Author(s): Y. Kurimoto, H. Saruyama, M. Oogane, H. Naganuma, Y. Ando
  • Organizer: The 75th JSAP Autumn Meeting
  • Place of Presentation: Hokkaido, Hokkaido Univ.
  • Year and Date: 2014-09-17 – 2014-09-20
• [Presentation] Micromagnetic simulation of mode jump driven by high d.c. spin-polarized current in vortex nano-oscillator (2014)
  • Author(s): A.S. Demiray, Y. Kawada, H. Naganuma, M. Oogane, and Y. Ando
  • Organizer: The 75th JSAP Autumn Meeting
  • Place of Presentation: Hokkaido, Hokkaido Univ.
  • Year and Date: 2014-09-17 – 2014-09-20
• [Presentation] Magnetic Sensors Based on MgO-Magnetic Tunnel Junctions with Perpendicularly Magnetized CoFeB-Sensing Layers (2014)
  • Author(s): Takafumi Nakano, Mikihiko Oogane, Hiroshi Naganuma, Toshifumi Yano, Kenichi Ao, and Yasuo Ando
  • Organizer: 2014SSDM
  • Place of Presentation: Tsukuba, Tsukuba International Congress Center
  • Year and Date: 2014-09-08 – 2014-09-11
• [Presentation] 垂直磁化L10-FePd薄膜における低ダンピング定数 (2014)
  • Author(s): 飯浜賢志, 水上成美, 永沼博, 宮﨑照宣, 大兼幹彦, 安藤康夫
  • Organizer: 第38回日本磁気学会学術講演会
  • Place of Presentation: 神奈川, 慶應義塾大学
  • Year and Date: 2014-09-02
• [Presentation] L10-FePt薄膜のレーザー誘起超高速減磁過程 (2014)
  • Author(s): 佐々木悠太, 水上成美, 飯浜賢志, 永沼博, 大兼幹彦, 安藤康夫
  • Organizer: 第38回日本磁気学会学術講演会
  • Place of Presentation: 神奈川, 慶應義塾大学
  • Year and Date: 2014-09-02
• [Presentation] Effect of microwave on magnetization switching in magnetic tunnel junction (2014)
  • Author(s): Tian Yu, H. Naganuma, N. Inami, Y. Kawada, M. Oogane, and Y. Ando
  • Organizer: 2014 IEEE ICMM
  • Place of Presentation: Sendai, Sendai International Center
  • Year and Date: 2014-06-29 – 2014-07-02
• [Presentation] Nonlinear Dynamics of Micro-Sized Heusler Structures (2014)
  • Author(s): Alexander A. Serga, Philipp Pirro, Thomas Sebastian, Thomas Brächer, Takahide Kubota, Hiroshi Naganuma, Mikihiko Oogane, Yasuo Ando, Burkard Hillebrands
  • Organizer: 2014 IEEE ICMM
  • Place of Presentation: Sendai, Sendai International Center
  • Year and Date: 2014-06-29 – 2014-07-02
• [Presentation] Fast magnetization precession and damping of L10-FePd epitaxial thin films grown on SrTiO3 substrate (2014)
  • Author(s): Satoshi Iihama, Shigemi Mizukami, Hiroshi Naganuma, Terunobu Miyazaki, Mikihiko Oogane, Yasuo Ando
  • Organizer: 2014 IEEE ICMM
  • Place of Presentation: Sendai, Sendai International Center
  • Year and Date: 2014-06-29 – 2014-07-02
• [Presentation] Laser-induced fast spin precession controlled by interfacial exchange coupling in MnGa/FeCo bilayers with perpendicular magnetic anisotropy (2014)
  • Author(s): Qinli Ma, Satoshi Iihama, Shigemi Mizukami, Reza Ranjbar, Xianmin Zhang, Atsushi Sugihara, Yasuo Ando, Terunobu Miyazaki
  • Organizer: 2014 IEEE ICMM
  • Place of Presentation: Sendai, Sendai International Center
  • Year and Date: 2014-06-29 – 2014-07-02
• [Presentation] Optimization of broad band frequency domain wall oscillations in perpendicular magnetic anisotropy nanowires (2014)
  • Author(s): Ahmet Serdar Demiray, Hiroshi Naganuma, Mikihiko Oogane, Yasuo Ando
  • Organizer: 2014 IEEE ICMM
  • Place of Presentation: Sendai, Sendai International Center
  • Year and Date: 2014-06-29 – 2014-07-02
• [Presentation] Control of the Effective Damping in Heusler/Pt Microstructures via Spin-Transfer Torque (2014)
  • Author(s): Thomas Meyer, Thomas Braecher, Thomas Sebastian, Philipp Pirro, Tobias Fischer, Alexander A. Serga, Hiroshi Naganuma, Koki Mukaiyama, Mikihiko Oogane, Yasuo Ando, Burkard Hillebrands
  • Organizer: 2014 IEEE ICMM
  • Place of Presentation: Sendai, Sendai International Center
  • Year and Date: 2014-06-29 – 2014-07-02
• [Presentation] Magnetic sensor properties with various CoFeB sensing layer thicknesses and annealing temperatures in MgO-based magnetic tunnel junctions (2014)
  • Author(s): Takafumi Nakano, Mikihiko Oogane, Hiroshi Naganuma, and Yasuo Ando
  • Organizer: 12th RIEC International Workshop on Spintronics
  • Place of Presentation: Sendai, Tohoku Univ.
  • Year and Date: 2014-06-25 – 2014-06-27
• [Presentation] Fabrication of magnetic tunnel junctions using perpendicularly magnetized [Co75Fe25/Pd] multilayer (2014)
  • Author(s): Koki Mukaiyama, Hiroshi Naganuma, Mikihiko Oogane, and Yasuo Ando
  • Organizer: 12th RIEC International Workshop on Spintronics
  • Place of Presentation: Sendai, Tohoku Univ.
  • Year and Date: 2014-06-25 – 2014-06-27
• [Presentation] Fabrication of magnetic tunnel junctions with Heusler alloy electrode for TMR sensor devices (2014)
  • Author(s): Atsuo Ono, Mikihiko Oogane, Hiroshi Naganuma, and Yasuo Ando
  • Organizer: 12th RIEC International Workshop on Spintronics
  • Place of Presentation: Sendai, Tohoku Univ.
  • Year and Date: 2014-06-25 – 2014-06-27
• [Presentation] Laser-induced ultrafast demagnetization in L10-FePt films (2014)
  • Author(s): Y. Sasaki, S. Mizukami, S. Iihama, H. Naganuma, M. Oogane, and Y. Ando
  • Organizer: 12th RIEC International Workshop on Spintronics
  • Place of Presentation: Sendai, Tohoku Univ.
  • Year and Date: 2014-06-25 – 2014-06-27
• [Presentation] Low Gilbert damping observed in L10-FePd thin films with large perpendicular magnetic anisotropy (2014)
  • Author(s): Satoshi Iihama, Shigemi Mizukami, Hiroshi Naganuma, Terunobu Miyazaki, Mikihiko Oogane, and Yasuo Ando
  • Organizer: 12th RIEC International Workshop on Spintronics
  • Place of Presentation: Sendai, Tohoku Univ.
  • Year and Date: 2014-06-25 – 2014-06-27
• [Presentation] Control of parametric amplification via spin-transfer torque of a pure spin current in Heusler/Pt bilayers (2014)
  • Author(s): Thomas Meyer, T. Brächer, T. Sebastian, P. Pirro, T. Fischer, A. A. Serga, H. Naganuma, K. Mukaiyama, M. Oogane, Y. Ando, and B. Hillebrands
  • Organizer: 12th RIEC International Workshop on Spintronics
  • Place of Presentation: Sendai, Tohoku Univ.
  • Year and Date: 2014-06-25 – 2014-06-27
• [Presentation] Detectivity of weak magnetic field with magnetic tunnel junctions for observing ultra-low-field nuclear magnetic resonance (2014)
  • Author(s): Motoki Endo, S. Mizukami, K. Fujiwara, T. Nishikawa, M. Oogane, H. Nagamuma, and Y. Ando
  • Organizer: 12th RIEC International Workshop on Spintronics
  • Place of Presentation: Sendai, Tohoku Univ.
  • Year and Date: 2014-06-25 – 2014-06-27
• [Presentation] Tuning the Domain Wall Oscillations in Perpendicular Magnetic Anisotropy Nanowires (2014)
  • Author(s): A. S. Demiray, Y. Tian, S. Mizukami, M. Oogane, H. Naganuma, Y. Ando
  • Organizer: ICSM-2014
  • Place of Presentation: Antalya, Turkey, Kervansaray Lara-Convention Center&SPA
  • Year and Date: 2014-04-27 – 2014-05-02
• [Presentation] Perpendicularly magnetized L10-ordered MnAl thin films (2013)
  • Author(s): M. Oogane, H. Saruyama, Y. Kurimoto, H. Naganuma, Y. Ando
  • Organizer: MML2013
  • Place of Presentation: Kyoto
• [Presentation] Magnetic tunnel junctions with perpendicularly magnetized L10-ordered MnAl electrode (2013)
  • Author(s): M. Oogane, H. Saruyama, Y. Kurimoto, H. Naganuma and Y. Ando
  • Organizer: JSPS York-Tohoku Research Symposium on“Magnetic Materials and Spintronic devices”
  • Place of Presentation: York, UK
  • Invited
• [Presentation] Fabrication of Magnetic Tunnel Junctions Using L10-ordered MnAl Films (2013)
  • Author(s): M. Oogane, H. Saruyama, Y. Kurimoto, H. Naganuma, and Y. Ando
  • Organizer: EMS32
  • Place of Presentation: Shiga
• [Presentation] プラズマ酸化によるMgO障壁層を用いたCo2Fe0.4Mn0.6Si電極強磁性トンネル接合の作製 (2013)
  • Author(s): 森廣 智之，大兼 幹彦，永沼 博，安藤 康夫
  • Organizer: 第74回応用物理学会学術講演会
  • Place of Presentation: 京都
• [Presentation] プラズマ酸化によるMgO障壁層を用いたCo2Fe0.4Mn0.6Si電極強磁性トンネル接合の作製 (2013)
  • Author(s): 森廣 智之，大兼 幹彦，永沼 博，安藤 康夫
  • Organizer: 第68回応用物理学会東北支部学術講演会
  • Place of Presentation: 山形
• [Presentation] 垂直磁化MnAlを用いた強磁性トンネル接合の作製 (2013)
  • Author(s): 猿山陽鏡，栗本雄太，大兼幹彦，永沼博，安藤康夫
  • Organizer: 第68回応用物理学会東北支部学術講演会
  • Place of Presentation: 山形
• [Presentation] L10-MnAl/Co多層膜の結晶構造と磁気特性 (2013)
  • Author(s): 栗本雄太、猿山陽鏡、大兼幹彦，永沼博，安藤康夫
  • Organizer: 第68回応用物理学会東北支部学術講演会
  • Place of Presentation: 山形
• [Presentation] ホイスラー合金電極を用いたSi基板上への強磁性トンネル接合素子の作製 (2013)
  • Author(s): 斉琦，大兼幹彦，永沼博，安藤康夫
  • Organizer: 第68回応用物理学会東北支部学術講演会
  • Place of Presentation: 山形
• [Presentation] L10-MnAl films with high perpendicular magnetic anisotropy and low magnetic damping
  • Author(s): M. Oogane
  • Organizer: Intermag2012
  • Place of Presentation: バンクーバー カナダ
• [Presentation] Large Giant Magnetoresistance Effect Using Half Metallic Heusler Alloys
  • Author(s): M. Oogane
  • Organizer: ICAUMS2012
  • Place of Presentation: 奈良
  • Invited
• [Presentation] L10-ordered MnAl alloy thin film with perpendicular magnetic anisotropy
  • Author(s): M. Oogane
  • Organizer: Intermag/MMM joint conference
  • Place of Presentation: シカゴ アメリカ
• [Presentation] Magnetic tunnel junctions using L10-ordered MnAl electrode
  • Author(s): M. Oogane
  • Organizer: The 3rd CSIS International Symposium on Spintronics-based VLSIs
  • Place of Presentation: 仙台
  • Invited
• [Presentation] unnel Magnetoresistance Effect in Magnetic Tunnel Junctions with L10-ordered MnAl electrode
  • Author(s): M. Oogane
  • Organizer: 第60回応用物理学会学術講演会
  • Place of Presentation: 厚木
• [Book] 新しい磁気センサとその応用 (2013)
  • Author(s): 毛利 佳年雄, 安藤 康夫, 本蔵 義信, 大兼 幹彦, 内山 剛, 野々村 裕
  • Total Pages: 197
  • Publisher: トリケップス