Publication 2009

Publication 2009

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 Center

Magnetic Materials:

  • Anisotropic Nd-Fe-B nanocrystalline magnets processed by spark plasma sintering and in-situ hot pressing of HDDR powder
    R Gopalan, H. Sepehri-Amin, K. Suresh, T.Ohkubo, K.Hono, T. Nishiuchi, N. Nozawa and S. Hirosawa, Scripta Mater. 61, 978 (2009).

  • 3D atom probe analysis of Fe-B based nanocrystalline soft magnetic materials
    Y. M. Chen, T. Ohkubo, M. Ohta, Y. Yoshizawa, and K. Hono, Acta Mater. 57, 4463 (2009).

  • High saturation magnetization and microstructure in melt-spun Fe-P ribbons, Scripta Mater. submitted
    R. Gopalan, Y. M. Chen, T. Ohkubo, and K. Hono, Scripta Mater.61, 544 - 547 (2009).

  • Consolidation of hydrogenation-disproportionation-desorption-recombination processed Nd-Fe-B magnets by spark plasma sintering
    K. Suresh, T. Ohkubo, Y. K. Takahashi, K. Oh-ishi, R. Gopalan,K. Hono, T. Nishiuchi, N. Nozawa, and S. Hirosawa, J. Mag. Mag. Mater.321, 3681-3686 (2009).

  • FePt-C nanogranular films for perpendicular magnetic recording
    A. Perumal, Y. K. Takahashi, and K. Hono, J. Appl. Phys. 105, 07B732 (2009).

  • FeTaC soft underlayer for double-layered perpendicular recording media
    A. Perumal, Y. K. Takahashi, and K. Hono, J. Appl. Phys. 105, 07A304 (2009).

  • The effect of oxygen on the surface coercivity of Nd-coated Nd-Fe-B sintered magnets
    T. Fukagawa, S. Hirosawa, T. Ohkubo, and K. Hono, J. Appl. Phys. 105, 07A724 (2009).

  • The role of grain boundaries in the coercivity of hydrogenation disproportionation desorption recombination processed Nd-Fe-B powder
    W. F. Li, T. Ohkubo, K. Hono, T. Nishiuchi, and S. Hirosawa, J. Appl. Phys. 105, 07A706 (2009).

  • Coercive field and energy barriers in partially disordered FePt nanoparticles
    G. R. Aranda, O. Chubykalo-Fesenko, R. Yanes, J. Gonzalez, J. J. del Val. R. W. Chantrell, Y. K. Takahashi and K. Hono, J. Appl. Phys. 105, 07B514 (2009).

  • Direct evidence for Cu concentration variation and its correlation to coercivity in Sm(Co0.74Fe0.1Cu0.12Zr0.04)7.4 ribbons
    R. Gopalan, K. Hono, A. Yan, and O. Gutfleisch, Scripta Mater. 60, 764 - 767 (2009).

  • The origin of coercivity decrease in fine grained Nd-Fe-B sintered magnets
    W. F. Li, T. Ohkubo, K. Hono, and M. Sagawa, J. Mag. Mag. Mater. 321, 1100 - 1105 (2009).

  • Effect of post-sinter annealing on the coercivity and microstructure of Nd-Fe-B permanent magnets
    W. F. Li, T. Ohkubo, and K. Hono, Acta Mater. 57, 1337-1346 (2009).

  • Composition and non-equilibrium crystallization in partially devitrified Co-rich soft magnetic nanocomposite alloys
    P. R. Ohodnicki, Jr., Y. L. Qin, D. E. Laughlin, and M. E. McHenry, M. Kodzuka, T. Ohkubo, and K. Hono, M.A. Willard, Acta Mater. 57, 87 - 96 (2009).

  • The role of Cu addition in the coercivity enhancement of sintered Nd-Fe-B permanent magnets
    W. F. Li, T. Ohkubo, T. Akiya, H. Kato, and K. Hono, J. Mater. Res. 24, 413 (2009).

  • Purpose and objectives of "Project for high performatnce anisotropic nanocomposite permanent magnets with low rare-earth content" (in Japanese)
    S. Hirosawa, T. Nishiuchi, T. Ohkubo, W. F. Li, K. Hono, J. Yamazaki, M. Takezawa, K. Sumiyama, and S. Yamamuro, J. Jpn. Inst. Metals, 73, 135 - 140 (2009).


  • Nanostructure and properties of permanent magnet materials (in Japanese)
    K. Hono, Magnetics Jpn, 4, 136 - 142 (2009)
    .

  • Effects of room temperature heavy-ion irradiation on magnetic and electrical properties of a single crystalline Fe thin film
    Y. Kamada, H. Watanabe, S. Mitani, J. Echigoya, H. Kikuchi, S. Kobayashi, N. Yoshida and K. Takanashi, Mater. Trans. 50, 2134-2138 (2009)
    .

  • Study of ferro-antiferromagnetic transition in [001]-oriented L10 FePt1-xRhx film
    T. Hasegawa, J. Miyahara, T. Narisawa, S. Ishio, H. Yamane, Y. Kondo, J. Ariake, S. Mitani, Y. Sakuraba and K. Takanashi, J. Appl. Phys. 106, 103928-1-6 (2009).

  • Ferromagnetic Mesostructured Alloys: Design of Ordered Mesostructured Alloys with Multicomponent Metals from Lyotropic Liquid Crystals
    Y. Yamauchi, M. Komatsu, M. Fuziwara, Y. Nemoto, K. Sato, T. Yokoshima, H. Sukegawa, K. Inomata, and K. Kuroda, Ange. Chem. Int. Ed. 48, 1-7 (2009).
  • Spintronic Materials:

  • Transmission electron microscopy investigation of CoFeB/MgO/CoFeB pseudospin valves annealed at different temperatures
    T. Nakatani, Y. K. Takahashi, T. Ishikawa, M. Yamamoto and K. Hono, J. Mag. Mag. Mater. 322, 357 - 361 (2009).

  • Structural characterizations of Co2MnSi/MgO/Co2MnSi magnetic tunnel junctions by transmission electron microscopy
    S. V. Karthik, Y. K. Takahashi, T. Ohkubo, K. Hono, S. Ikeda, and H. Ohno, J. Appl. Phys. 106, 023920 (2009).

  • Demonstration of half-metallicity in Fermi-level-tuned Heusler alloy Co2FeAl0:5Si0:5 at room temperature
    R. Shan, H. Sukegawa, W. H. Wang, M. Kodzuka, T. Furubayashi, T. Ohkubo, S. Mitani, K. Inomata, and K. Hono, Phys. Rev. Lett. 102, 246601 (2009).

  • Giant tunneling magnetoresistance up to 330% at room temperature in sputter deposited Co2FeAl/MgO/CoFe magnetic tunnel junction
    W. H. Wang, H. Sukegawa, R. Shan, S. Mitani, and K. Inomata, Appl. Phys. Lett. 95, 182502 (2009).

  • Spin-polarized tunneling spectroscopy of fully epitaxial magnetic tunnel junctions using Co2FeAl0.5Si0.5 Heusler alloy electrodes
    H. Sukegawa, W. H. Wang, R. Shan, T. Nakatani, K. Inomata, and K. Hono, Phys. Rev. B 79, 184418 (2009).

  • Tunneling Magnetoresistance in full-Heusler Co2FeAl0.5Si0.5-based magnetic tunnel junctions (in Japanese)
    H. Sukegawa, W. H. Wang, R. Shan, and K. Inomata, J. Mag. Soc. Jpn. 33, 256 - 261 (2009).

  • Spin polarization of Fe4N thin films determined by point-contact Andreev reflection
    A. Narahara, K. Ito, T. Suemasu, Y. K. Takahashi, A. Rajanikanth, and K. Hono, Appl. Phys. Lett. 94, 202502 (2009).

  • Suppression of magnon excitations in Co2MnSi Heusler alloy by Nd doping
    A. Rajanikanth, Y. K. Takanashi and K. Hono, J. Appl. Phys. 105, 063916 (2009).

  • Highly spin polarized Co2MnGa0.5Sn0.5 Heusler compound
    B. Varaprasad, A. Rajanikanth, Y. K. Takahashi and K. Hono, Acta Mater. 57, 2702-2709 (2009).

  • Antiferromagnetism and Spin Polarization in Double Perovskite SrLaVMoO6
    H. Gotoh, Y. Takeda, H. Asano, J.P. Zhong, A. Rajanikanth, and K. Hono, Appl. Phys. Express 2 (2009) 013001.

  • Tunnel magnetoresistance in full-Heusler Co2FeAl0.5Si0.5-based magnetic tunnel junctions (in Japanese)
     J. Mag. Soc. Jpn, 33, 256 - 261 (2009).

  • Interlayer exchange coupling in Co2FeAl0.5Si0.5/Cr/Co2FeAl0.5Si0.5 trilayers
    T. Furubayashi, K. Kodama, H. S. Goripati, Y. K. Takahashi, K. Inomata, and K. Hono, J. Appl. Phys. 105, 07C305 (2009).

  • Current-perpendicular-to-plane giant magnetoresistance of a spin valve using Co2MnSi Heusler alloy electrodes
    K. Kodama, T. Furubayashi, H. Sukegawa, T. M. Nakatani, K. Inomata and K. Hono, J. Appl. Phys. 105, 07E905 (2009).

  • Spin polarization of Co-Fe alloys estimated by point contact Andreev reflection and tunneling magnetoresistance
    S. V. Karthik, T. M. Nakatani, A. Rajanikanth, Y. K. Takahashi, and K. Hono, J. Appl. Phys. 105, 07C916 (2009).

  • Interlayer thickness dependence of 90? coupling in Co2MnAl/Cr/Co2MnAl epitaxial trilayer structures
    S. Bosu, Y. Sakuraba, K. Saito, H. Wang, S. Mitani, and K. Takanashi, C. Y. You, and K. Hono, J. Appl. Phys. 105, 07C710 (2009).

  • 3DAP analysis of (Ga,Mn)as diluted magnetic semiconductor thin film
    M. Kodzuka, T. Ohkubo, K. Hono, F. Matsukura and H. Ohno, Ultramicroscopy 109, 644 - 648 (2009).

  • スピン依存単一電子トンネル現象、高梨弘毅編「スピントロニクスの基礎と材料・応用技術の最前線」(in Japanese)
    三谷誠司、高梨弘毅, シーエムシー出版(2009)pp. 83-93.


  • Hard X-Ray Photoelectron Spectroscopy of Buried Heusler Compounds
    S. Ouardi, B. Balke, A. Gloskovskii, G. H. Fecher, C. Felser, G. Schonhense, T. Ishikawa, T. Uemura, M. Yamamoto, H. Sukegawa, W.H. Wang, K. Inomata, Y. Yamashita, H. Yoshikawa, S. Ueda and K. Kobayashi, J. Phys. D: Appl. Phys. 42, 084010-1-7 (2009).

  • Structure and Spin Polarization of Outermost Surface of the Co2FeAl0.5Si0.5 Full-Heusler Alloy Studied by Spin-Polarized Ion-Scattering Spectroscopy
    T. T. Suzuki, H. Sukegawa, and K. Inomata, Phys. Rev. B 79, 045423-1-6 (2009).
  • Nanostructure Analysis:

  • Development of heat treatable high strength wrought magnesium alloys
    C. L. Mendis, K. Oh-ishi, T. T. Sasaki, and K. Hono, Proceedings 18th International Conference on Processing and Fabrication of Advanced Materials (PFAM XVIII), 12-14 December, 2009, Sendai.


  • Effect of Al additions on the age hardening response of a Mg-2.4Zn-0.1Ag-0.1Ca (at.%) alloy - TEM and 3DAP study
    C. L. Mendis, K. Oh-ishi and K. Hono, Mat. Sci. Eng. A., 527, 973-980 (2009).

  • Bimodally grained microstructure development during hot extrusion of Mg-2.4Zn-0.1Ag-0.1Ca-0.16Zr (at.%) alloy
    K. Oh-ishi, C. L. Mendis, T. Honma, S. Kamado, T. Ohkubo, and K. Hono, Acta Mater. 57, 5593-5604 (2009).

  • Mechanical alloying and amorphization in Cu-Nb-Ag in situ composite wires studied by TEM and atom probe tomography
    D. Raabe, S. Ohsaki and K. Hono, Acta Mater. 57, 5254-5263 (2009).

  • Age hardening response of Mg-0.3at.%Ca alloys with different Zn content
    K. Oh-ishi, R. Watanabe, C. L. Mendis, and K. Hono, Mat. Sci. Eng. A. 526, 177 - 184 (2009).

  • Laser-assisted atom probe analysis of zirconia/spnel nanocomposite ceramics
    Y. M. Chen, T. Ohkubo, M. Kodzuka, K. Morita and K. Hono, Scripta Mater. 61, 693 - 696 (2009).

  • Microstructure and mechanical properties of Al-Zr nanocomposite materials
    B. Srinivasarao, C. Suryanarayana, and K. Hono, Mater. Sci. Eng. A, 518, 100 - 107 (2009).

  • Effect of melt temperature on the mechanical properties of bulk metallic glasses
    G. Kumar, T. Ohkubo and K. Hono, J. Mater. Res.24, 2353 (2009).

  • Microstructure and mechanical properties of bulk nanocrystalline Al-Fe alloy processed by mechanical alloying and spark plasma sintering
    T. T. Sasaki, T. Ohkubo, and K. Hono, Acta Mater.57, 3529 - 3538 (2009).

  • Homogeneity of the super plastic Zr64.13Cu15.75Ni10.12Al10 bulk metallic glass
    L. Y. Chen, Y. W. Zeng, Q. P. Cao, B. J. Park, Y. M. Chen, K. Hono, V. Ulla, Z. L. Zhang, U. Kaiser, X. D. Wang, J. Z. Jiang, J. Mater. Res. 24, 3116 (2009).

  • Bimodally grained high strength Fe fabricated by mechanical alloying and spark plasma sintering
    B. Srinivasarao, K. Oh-ishi, T. Ohkubo, and K. Hono, Acta Mater. 57, 3277 (2009).

  • Precipitation hardenable Mg-Bi-Zn alloys with prismatic plate precipitates
    T. T. Sasaki, T. Ohkubo, and K. Hono, Scripta Mater. 61, 72-75 (2009).

  • Heat treatable Mg-Sn-Zn wrought alloy
    T. T. Sasaki, T. Ohkubo, and K. Hono, Scripta Mater. 61, 80-83 (2009).

  • APT for the investigation of alloys nanostructured by severe plastic deformation
    X. Sauvage, W. Lefebvre, and K. Hono, Scripta Materialia, 60, 1056 - 1061 (2009).

  • The building block of long-period structures in Mg-RE-Zn alloys
    Y. M. Zhu, M. Weyland, A. J. Morton, K. Oh-ishi, K. Hono, and J. F. Nie, Scripta Materialia, 60, 980 - 983 (2009).

  • Influence of laser irradiation condition on a femtosecond laser assisted tomographic atom probe
    A. Nishimura, K. Nogiwa, T. Otobe, T. Ohkubo, K. Hono, K. Kondo, A. Yokoyama, Ultramicroscopy, 109, 467 - 471 (2009).

  • Precipitation-hardenable Mg-2.4Zn-0.1Ag-0.1Ca-0.16Zr (at%) wrought magnesium alloy
    C.L. Mendis, K. Oh-ishi, Y. Kawamura, T. Honma, S. Kamado and K. Hono, Acta Mater. 57, 749 - 760 (2009).

  • Geometry Constrained Plasticity of Bulk Metallic Glass
    K. Mondal and K. Hono, Mater. Trans. 50, 159 - 157 (2009).

  • Structure of shear bands in Pd40Ni40P20 bulk metallic glass
    Y. M. Chen, T. Ohkubo, T. Mukai, and K. Hono, J. Mater. Res. 24, 1 (2009).
    (OUTSTANDING SYMPOSIUM PAPER)

  • Microstructure and mechanical properties of Fe-C alloy produced by mechanical alloying and spark plasma sintering
    B. Srinivasarao, K. Oh-ishi, and K. Hono, Journal of Physics: Conference Series 144 (2009) 012026.
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