Publication 2015

Publication 2015

The articles written in black are original papers, those indicated in grey are conference proceedings.The articles written in green are review papers or book chapters.

Magnetic Materials:

  • Temperature-dependent magnetization reversal process and coercivity mechanism in Nd-Fe-B hot-deformed magnets
    Satoshi Okamoto, Ryota Goto, Nobuaki Kikuchi, Osamu Kitakami, Takahiro Akiya, Hossein Sepehri-Amin, Tadakatsu Ohkubo, Kazuhiro Hono, Keiko Hioki and Atsushi Hattori, J. Appl. Phys. 118, 223903 (2015).

  • Columnar Structure in FePt–C Granular Media for Heat-Assisted Magnetic Recording
    B. S. D. Ch. S. Varaprasad, J. Wang, T. Shiroyama, Y. K. Takahashi, and K. Hono, IEEE Trans. Magn. 51, 3200904 (2015).

  • Strain measurements from Nd2Fe14B grains in sintered magnets using artificial moiré fringes
    Y. Murakami, T.T. Sasaki, T. Ohkubo, K. Hono, Acta Mater. 101, 101-106 (2015).

  • Microstructure and temperature dependent of coercivity of hot-deformed Nd–Fe–B magnets diffusion processed with Pr–Cu alloy
    H. Sepehri-Amin, Lihua Liu, T. Ohkubo, M. Yano, T. Shoji, A. Kato, T. Schrefl, K. Hono, Acta Mater. 99, 297-306 (2015).

  • Dy を使わない Nd-Fe-B 磁石の開発動向
    宝野和博, まてりあ 54, 351-355 (2015).


  • Rare-Earth Lean Hard Magnet Compound NdFe12N
    Y. Hirayama, T. Miyake, K. Hono, JOM 67, 1344-1349 (2015).

  • Preparation, Characterization, and Modeling of Ultrahigh Coercivity Sm–Co Thin Films
    O. Akdogan, H. Sepehri-Amin, N. M. Dempsey, T. Ohkubo, K. Hono, O. Gutfleisch, T. Schrefl and D. Givord, Adv. Electron. Mater., online (2015).

  • Effect of MgO underlayer misorientation on the texture and magnetic property of FePt–C granular film
    J. Wang, S. Hata, Y.K. Takahashi, H. Sepehri-Amin, B.S.D.Ch.S. Varaprasad, T. Shiroyama, T. Schrefl, K. Hono, Acta Mater. 91, 41 - 49 (2015).

  • Effect of carbon on the coercivity and microstructure in fine-grained Nd–Fe–B sintered magnet
    T.T. Sasaki, T. Ohkubo, Y. Une, H. Kubo, M. Sagawa, K. Hono, Acta Mater. 84, 506 - 514 (2015).

  • Mechanism of the texture development in hydrogen-disproportionation–desorption-recombination (HDDR) processed Nd–Fe–B powders
    H. Sepehri-Amin, T. Ohkubo, K. Hono, K. Güth, O. Gutfleisch, Acta Mater. 85, 42 - 52 (2015).

  • Hard magnetic properties of spacer-layer-tuned NdFeB/Ta/Fe nanocomposite films
    W.B. Cui, H. Sepehri-Amin, Y.K. Takahashi, K. Hono, Acta Mater. 84, 405 - 412 (2015).

  • NdFe12Nx hard-magnetic compound with high magnetization and anisotropy field
    Y. Hirayama, Y.K. Takahashi, S. Hirosawa, K. Hono, Scripta Mater. 95, 70 - 72 (2015).

  • Grain size dependence of coercivity of hot-deformed Nd-Fe-B anisotropic magnets
    J. Liu, H. Sepehri-Amin, T. Ohkubo, K. Hioki, A. Hattori, T. Schrefl, K. Hono, Acta Mater. 82, 336 - 343 (2015).
  • Spintronic Materials:

  • Correlation between the spin Hall angle and the structural phases of early 5d transition metals
    Jun Liu, Tadakatsu Ohkubo, Seiji Mitani, Kazuhiro Hono and Masamitsu Hayashi, Appl. Phys. Lett. 107, 232408 (2015).

  • Perpendicularly magnetized (001)-textured D022 MnGa films grown on an (Mg0.2Ti0.8)O buffer with thermally oxidized Si substrates
    Hwachol Lee, Hiroaki Sukegawa, Jun Liu, Seiji Mitani and Kazuhiro Hono, J. Appl. Phys. 118, 163906 (2015).

  • Polycrystalline CPP-GMR Pseudospin Valves Using <001> Textured Co2Fe(Ga0.5Ge0.5) Layer Grown on a Conductive (Mg0.5Ti0.5)O Buffer Layer
    Ye Du, T. Furubayashi, Y. K. Takahashi, Y. Sakuraba, and K. Hono, IEEE Trans. Magn. 51, 4401204 (2015).

  • Current-driven asymmetric magnetization switching in perpendicularly magnetized CoFeB/MgO heterostructures
    J. Torrejon, F. Garcia-Sanchez, T. Taniguchi, J. Sinha, S. Mitani, J-V. Kim and M. Hayashi, Phys. Rev. B 91, 214434 (2015).

  • Critical current destabilizing perpendicular magnetization by the spin Hall effect
    T. Taniguchi, S. Mitani and M. Hayashi, Phys. Rev. B 92, 024428 (2015).

  • Spin Hall torque–driven chiral domain walls in magnetic heterostructures
    J. Torrejon and M. Hayashi, Magnetic Nano- and Microwires, 313–331 (2015).

  • Enhanced orbital magnetic moments in magnetic heterostructures with interface perpendicular magnetic anisotropy
    T. Ueno, J. Sinha, N. Inami, Y. Takeichi, S. Mitani, K. Ono and M. Hayashi, Scientific Reports 5, 14858 (2015).

  • Enhancement of current-perpendicular-to-plane giant magnetoresistance in Heusler-alloy based pseudo spin valves by using a CuZn spacer layer
    T. Furubayashi, Y. K. Takahashi, T. T. Sasaki and K. Hono, J. Appl. Phys. 118, 163901 (2015).

  • Crystal orientation dependence of band matching in all-B2-trilayer currentperpendicular-to-plane giant magnetoresistance pseudo spin-valves using Co2Fe(Ge0.5Ga0.5) Heusler alloy and NiAl spacer
    Jiamin Chen, T. Furubayashi, Y. K. Takahashi, T. T. Sasaki, and K. Hono, J. Appl. Phys. 117, 17C119 (2015).

  • Large magnetoresistance in current-perpendicular-to-plane pseudo spin-valves using Co2Fe(Ga0.5Ge0.5) Heusler alloy and AgZn spacer
    Ye Du, T. Furubayashi, T. T. Sasaki, Y. Sakuraba, Y. K. Takahashi and K. Hono, Appl. Phys. Lett. 107, 112405 (2015).

  • Ferromagnetic MnGaN thin films with perpendicular magnetic anisotropy for spintronics applications
    Hwachol Lee, Hiroaki Sukegawa, Jun Liu, Tadakatsu Ohkubo, Shinya Kasai, Seiji Mitani and Kazuhiro Hono, Appl. Phys. Lett. 107, 032403 (2015).

  • Investigation of the quaternary Fe2-xCoxMnSi (0 ≤ x ≤ 0.6) alloys by structural, magnetic, resistivity and spin polarization measurements
    Lakhan Bainsla, M. Manivel Raja, A. K. Nigam, B. S. D. Ch. S. Varaprasad, Y. K. Takahashi, K. G. Suresh and K. Hono, J. Phys. D: Appl. Phys. 48, 125002 (2015).

  • Order parameters and magnetocrystalline anisotropy of off-stoichiometric D022 Mn2.36Ga epitaxial films grown on MgO (001) and SrTiO3 (001)
    Hwachol Lee, Hiroaki Sukegawa, Seiji Mitani and Kazuhiro Hono, J. Appl. Phys. 118, 033904 (2015).

  • High spin polarization and spin splitting in equiatomic quaternary CoFeCrAl Heusler alloy
    Lakhan Bainsla, A.I. Mallick, A. A Coelho, A.K. Nigam, B.S.D. Ch. S. Varaprasad, Y.K. Takahashi, Aftab Alam, K.G. Suresh, K. Hono, J. Magn. Magn. Mater. 394, 82-86 (2015).

  • Influence of boron diffusion on the perpendicular magnetic anisotropy in Ta|CoFeB|MgO ultrathin films
    J. Sinha, M. Gruber, M. Kodzuka, T. Ohkubo, S. Mitani, K. Hono and M. Hayashi, J. Appl. Phys. 117, 043913 (2015).
  • Nanostructure Analysis:

  • Strong and ductile heat-treatable Mg–Sn–Zn–Al wrought alloys
    T.T. Sasaki, F.R. Elsayed, T. Nakata, T. Ohkubo, S. Kamado, K. Hono, Acta Mater. 99, 176 - 186 (2015).

  • High-speed extrusion of heat-treatable Mg–Al–Ca–Mn dilute alloy
    T. Nakata, T. Mezaki, R. Ajima, C. Xu, K. Oh-ishi, K. Shimizu, S. Hanaki, T.T. Sasaki, K. Hono, S. Kamado, Scripta Mater. 101, 28-31 (2015).

  • On the prismatic precipitate plates in Mg–Ca–In alloys
    Y.M. Zhu, M. Weyland, N.V. Medhekar, C. Dwyer, C.L. Mendis, K. Hono, J.F. Nie, Scripta Mater. 101, 16-19 (2015).
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