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発表論文 (2014)

  1. D. Kobayashi, Y. Kakehashi, K. Hirose, S. Onoda, T. Makino, T. Ohshima, S. Ikeda, M. Yamanouchi, H. Sato, E-C. Enobio, T. Endoh, and H. Ohno,
    "Influenece of heavy Ion irradiation on perpendicular-anisotropy CoFeB-MgO magnetic tunnel junctions",
    IEEE Transactions on Nuclear Science, Vol. 61, No. 4, 1710, DOI: 10.1109/TNS.2014.2304738, April, 2014.
  2. S. Kanai, Y. Nakatani, M. Yamanouchi, S. Ikeda, H. Sato, F. Matsukura, and H. Ohno,
    "Magnetization switching in a CoFeB/MgO magnetic tunnel junction by combining spintransfer torque and electric field-effect",
    Applied Physics Letters, Vol. 104, 212406, 2014/5/30.
  3. S. Miyakozawa, L. Chen, F. Matsukura, and H. Ohno,
    "Properties of (Ga,Mn)As codoped with Li",
    Applied Physics Letters, Vol. 104, 222408, 2014/6/5.
  4. H. W. Chang, S. Akita, F. Matsukura, and H. Ohno,
    "Electric-field effects on magnetic properties of molecular beam epitaxially grown thin (Ga,Mn) Sb layers",
    Journal of Crystal Growth, Vol. 401, 633-635,  2014/7/22.
  5. A. Okada, S. Kanai, M. Yamanouchi, S. Ikeda, F. Matsukura, and H. Ohno,
    "Electric-field effects on magnetic anisotropy and damping constant in Ta/CoFeB/MgO investigated by ferromagnetic resonance",
    Applied Physics Letters, Vol. 105, 052415,  2014/8/8.
  6. H. Sato, E. C. I. Enobio, M. Yamanouchi, S. Ikeda, S. Fukami, S. Kanai, F. Matsukura, and H. Ohno,
    "Properties of magnetic tunnel junctions with a MgO/CoFeB/Ta/CoFeB/MgO recording structure down to junction diameter of 11nm",
    Applied Physics　Letters, Vol. 105, 062403,  2014/8/13.
  7. S. Fukami, M. Yamanouchi, S. Ikeda, and H. Ohno,
    "Domain Wall Motion Device for Nonvolatile Memory and Logic - Size Dependence of Device Properties",
    IEEE Transactions on Magnetics, Vol. 50, No. 11, 341006,  2014/11/18.
  8. H. Honjo, S. Fukami, K. Ishihara, K. Kinoshita, Y. Tsuji, A. Morioka, R. Nebashi, K. Tokutome, N. Sakimura, M. Murahata, S. Miura, T. Sugibayashi, N. Kasai, and H. Ohno,
    "Material Stack Design With High Tolerance to Process-Induced Damage in Domain Wall Motion Device",
    IEEE Transactions on Magnetics, Vol. 50, No. 11, 1401904,  2014/11/18.
  9. N. Onizawa and T. Hanyu,
    "Soft-error tolerant transistor/magnetic-tunnel-junction hybrid non-volatile C-element",
    IEICE Electronics Express, Vol. 11, No. 24, pp. 20141017, 2014/11/28.
  10. S. Kanai, M. Tsujikawa, Y. Miura, M. Shirai, F. Matsukura, and H. Ohno,
    "Magnetic anisotropy in Ta/CoFeB/MgO investigated by x-ray magnetic circular dichroism and first-principles calculation",
    Applied Physics Letters, Vol. 105, 222409, 2014/12/4.
  11. S. Kanai, M. Gajek, D. C. Worledge, F. Matsukura, and H. Ohno,
    "Electric field-induced ferromagnetic resonance in a CoFeB/MgO magnetic tunnel junction under dc bias voltages",
    Applied Physics Letters, Vol. 105, 242409, 2014/12/18.
  12. R. Hiramatsu, Kab-Jin Kim, T. Taniguchi, T. Tono, T. Moriyama, S. Fukami, M. Yamanouchi, H. Ohno, Y. Nakatani, T. Ono,
    "Localized precessional mode of domain wall controlled by magnetic field and dc current",
    Applied Physics Express, Vol. 8, 023003, 2015/1/23.
  13. J. Sinha, M. Gruber, M. Kodzuka, T. Ohkubo, S. Mitani, K. Hono and M. Hayashi,
    "Influence of boron diffusion on the perpendicular magnetic anisotropy in Ta|CoFeB|MgO ultrathin films",
    Journal of Applied Physics, Vol. 117, 043913,  2015/1/29.
  14. E. Hirayama, S. Kanai, H. Sato, F. Matsukura, and H. Ohno,
    "Ferromagnetic resonance in nanoscale CoFeB/MgO magnetic tunnel junctions",
    Journal of Applied Physics, Vol. 117, 17B708,  2015/2/12.
  15. E. Hirayama, S. Kanai, K. Sato, M. Yamanouchi, H. Sato, S. Ikeda, F. Matsukura, and H. Ohno,
    "In-plane anisotropy of a nano-scaled magnetic tunnel junction with perpendicular magnetic easy axis",
    Japanese Journal of Applied Physics, Vol. 54, 04DM03,  2015/2/24.
  16. K. Ueda, K.-J. Kim, T. Taniguchi, T. Tono, T. Moriyama, and T. Ono,
    "In-plane field-driven crossover in the spin-torque mechanism acting on magnetic domain walls in Co/Ni",
    Physical Review B, 91, 060405, 2015/2/26.
  17. K. Watanabe, S. Ishikawa, H. Sato, S. Ikeda, M. Yamanouchi, S. Fukami, F. Matsukura, and H. Ohno,
    "Dependence of magnetic properties of MgO/CoFeB/Ta stacks on CoFeB and Ta thicknesses",
    Japanese Journal of Applied Physics, Vol. 54, 04DM04, 2015/3/3.
  18. F. Matsukura, Y. Tokura and H. Ohno,
    "Control of magnetism by electric fields",
    Nature Nanotechnology, Vol. 10, 209-212, 2015/3/5.