Current-induced spin dynamics and its application to spintronic devices

2010 Fiscal Year Final Research Report

• Project/Area Number: 19671002
• Research Category: Grant-in-Aid for Young Scientists (S)
• Allocation Type: Single-year Grants
• Research Field: Nanostructural science
• Research Institution: Kyoto University
• Principal Investigator: ONO Teruo 京都大学, 化学研究所, 教授 (90296749)
• Project Period (FY): 2007 – 2010
• Keywords: スピントロニクス

Research Abstract

In this project, we aimed to develop the novel spintronic devices utilizing current-induced spin dynamics, and succeeded in demonstrating device operations, such as the three-terminal devices utilizing current-induced resonant vortex core motion and the vortex core memory cell.

Research Products

• [Journal Article] Time-Domain Measurement of Current-Induced Spin Wave Dynamics (2012)
  • Author(s): Koji Sekiguchi, Keisuke Yamada, Soo-Man Seo, Kyung-Jin Lee, Daichi Chiba, Kensuke Kobayashi, and Teruo Ono
  • Journal Title: Phys. Rev. Lett Volume: 108 Pages: 017203
• [Journal Article] All-electrical operation of magnetic vortex core memory cell (2011)
  • Author(s): K. Nakano, D. Chiba, N. Ohshima, S. Kasai, T. Sato, Y. Nakatani, K. Sekiguchi, K. Kobayashi, T. Ono
  • Journal Title: Appl. Phys. Lett Volume: 99 Pages: 262505
• [Journal Article] Obser vation of the in trinsic pinning of a magnetic domain wall in a ferromagnetic nanowire (2011)
  • Author(s): T. Koyama, D. Chiba, K. Ueda, K. Kondou, H. Tanigawa, S. Fukami, T. Suzuki, N. Ohshima, N. Ishiwata, Y. Nakatani, K. Kobayashi, T. Ono
  • Journal Title: Nature Materials Volume: 10 Pages: 194
• [Journal Article] Dynamical Pinning of a Domain Wall in a Magnetic Nanowire Induced by Walker Breakdown (2008)
  • Author(s): Hironobu Tanigawa, Tomohiro Koyama, Maciej Bartkowiak, Shinya Kasai, Kensuke Kobayashi, Teruo Ono, Yoshinobu Nakatani
  • Journal Title: Phys. Rev. Lett Volume: 101 Pages: 207203
• [Journal Article] Three-Terminal Device Based on the Current-Induced Magnetic Vortex Dynamics with the Magnetic Tunnel Junction (2008)
  • Author(s): Shinya Kasai, Kunihiro Nakano, Kouta Kondou, Norikazu Ohshima, Kensuke Kobayashi, and Teruo Ono
  • Journal Title: Appl. Phys. Express Volume: 1 Pages: 091302
• [Journal Article] Domain wall ratchet effect in a magnetic wire with asymmetric notches (2008)
  • Author(s): A. Himeno, K. Kondo, H. Tanigawa, S. Kasai, and T. Ono
  • Journal Title: J. Appl. Phys Volume: 103 Pages: 07E703
• [Journal Article] Magnetic Domain Wall Oscillator (2008)
  • Author(s): T. Ono and Y. Nakatani
  • Journal Title: Appl. Phys. Express Volume: 1 Pages: 061301
• [Presentation] Experimental Evidence for Intrinsic Pinning Mechanism in Current-induced Domain Wall Motion (2010)
  • Author(s): Teruo Ono
  • Organizer: International Conference of AUMS
  • Place of Presentation: Jeju, Korea
  • Year and Date: 2010-12-06
• [Presentation] Electrical Detection of Vortex Core Polarity in Ferromagnetic Disk with Magnetic Tunnel Junction (2010)
  • Author(s): Teruo Ono
  • Organizer: Asia-Pacific Data Storage Conference
  • Place of Presentation: Hualien, Taiwan
  • Year and Date: 2010-10-28
• [Presentation] Current-induced domain wall motion against magnetic field (2010)
  • Author(s): Teruo Ono
  • Organizer: 7th International Symposium on Metallic Multilayers
  • Place of Presentation: Berkley, USA
  • Year and Date: 2010-09-21
• [Presentation] Modification of Spin Wave Propagation by Current Injection (2010)
  • Author(s): Teruo Ono
  • Organizer: American Physical Society March Meeting
  • Place of Presentation: Portland, USA
  • Year and Date: 2010-03-17
• [Presentation] Current-induced magnetization dynamics of nano-magnets-Domain wall motion & Vortex core switching (2009)
  • Author(s): Teruo Ono
  • Organizer: International Symposium on Advanced Nanodevices and Nanotechnology
  • Place of Presentation: Maui, Hawaii, USA
  • Year and Date: 20091129-1204
• [Presentation] Current-induced Domain Wall Motion in Perpendicularly Magnetized Co/Ni Wires (2009)
  • Author(s): Teruo Ono
  • Organizer: 20th International Colloquium on Magnetic Films and Surfaces
  • Place of Presentation: Berlin, Germany
  • Year and Date: 2009-06-23
• [Presentation] High DW velocity in Co/Ni with perpendicular anisotropy (2009)
  • Author(s): Teruo Ono
  • Organizer: IEEE International Magnetics Conference
  • Place of Presentation: Sacramento, USA
  • Year and Date: 2009-05-05
• [Presentation] Real-time Detection of Current-induced Dynamics of Magnetic Vortex Core by Using TMR Effect (2008)
  • Author(s): Teruo Ono
  • Organizer: Asian Magnetics Conference 2008
  • Place of Presentation: Busan, Korea
  • Year and Date: 20081210-13
• [Presentation] Current-induced vortex core motion in magnetic disk (2008)
  • Author(s): Teruo Ono
  • Organizer: Moscow International Symposium on Magnetism
  • Place of Presentation: Moscow, Russia
  • Year and Date: 20080620-25
• [Presentation] Current-induced magnetization dynamics in nanomagnet (2008)
  • Author(s): Teruo Ono
  • Organizer: The 5th International Workshop on Surface, Interface, and Thin Film Physics
  • Place of Presentation: Shanghai, China
  • Year and Date: 20080617-19
• [Presentation] Excitation of nano-spin-structure by electric current (2007)
  • Author(s): Teruo Ono
  • Organizer: International Conference on Nanospintronics Design and Realization
  • Place of Presentation: Dresden, Germany
  • Year and Date: 20070521-25
• [Presentation] Current-induced spin dynamics in nanomagnet (2007)
  • Author(s): Teruo Ono
  • Organizer: Magnetic Nanodevices and Spintronics
  • Place of Presentation: Napoli, Italy
  • Year and Date: 2007-12-11
• [Presentation] Switching a vortex core in a ferromagnetic disk by electric current (2007)
  • Author(s): Teruo Ono
  • Organizer: Material Research Society Fall Meeting
  • Place of Presentation: Boston, USA
  • Year and Date: 2007-11-26
• [Remarks]
  • URL: http://www.scl.kyoto-u.ac.jp/~ono/onolab/public_html/indexj.html