Publication 2018

Publication 2018

* 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.
* Sorted by Research Fields.
Magnetic Materials / Spintronic Materials / Spin Caloritronics / Nanostructure Analysis / Other Fields

Magnetic Materials:

  1. Intrinsic magnetic properties of Sm(Fe1-xCox)11Ti and Zr-substituted Sm1-yZry(Fe0.8Co0.2)11.5Ti0.5 compounds with ThMn12 structure toward the development of permanent magnets
    P. Tozman, H. Sepehri-Amin, Y.K. Takahashi, S. Hirosawa, K. Hono, Acta Mater. 153, 354-363 (2018).

  2. The effect of Co addition on magnetic and structural properties of nanocrystalline (Fe,Co)-Si-B-P-Cu alloys
    M. Kuhnt, X. Xu, M. Amalraj, P. Kozikowski, K.G. Pradeep, T. Ohkubo, M. Marsilius, T. Strache, C. Polak, M. Ohnuma, K. Hono, G. Herzer, J. Alloys. Comp. 766, 686-693 (2018).

  3. Impact of Intergrain Spin-Transfer Torques Due to Huge Thermal Gradients in Heat-Assisted Magnetic Recording
    B. Dieny, M. Chshiev, B. Charles, N. Strelkov, A. Truong, O. Fruchart, A. Hallal, J. Wang, Y.K. Takahashi, T. Mizuno, and K. Hono, IEEE Trans. Magn. 54, 0800111 (2018).

  4. Investigation of Gilbert damping of a tetragonally distorted ultrathin Fe0.5Co0.5 epitaxial film with high magnetic anisotropy
    R. Mandal, J.W. Jung, K. Masuda, Y.K. Takahashi, Y. Sakuraba, S. Kasai, Y. Miura, T. Ohkubo and K. Hono, Appl. Phys. Lett. 113, 232406 (2018).

  5. Time domain magnetization dynamics study to estimate interlayer exchange coupling constant in Nd-Fe-B/Ni80Fe20 films
    R. Mandal, D. Ogawa, Y. Tamazawa, K. Ishioka, T. Shima, T. Kato, S. Iwata, Y.K. Takahashi, S. Hirosawa and K. Hono, J. Magn. Magn. Mater. 468, 273-278 (2018).

  6. Near-Tc
    Ferromagnetic Resonance and Damping in FePt-Based Heat-Assisted Magnetic Recording Media

    D. Richardson, S. Katz, J. Wang, Y. K. Takahashi, K. Srinivasan, A. Kalitsov, K. Hono, A. Ajan, and M. Wu, Phys. Rev. Applied 10, 054046 (2018).

  7. Microstructure of a Dy-free Nd-Fe-B sintered magnet with 2 T coercivity
    X.D. Xu, T.T. Sasaki, J.N. Li, Z.J. Dong, H. Sepehri-Amin, T.H. Kim, T. Ohkubo, T. Schrefl, K. Hono, Acta Mater. 156, 146-157 (2018).

  8. Materials for spin-transfer-torque magnetoresistive random-access memory
    S. Yuasa, K. Hono, G. Hu, D.C. Worledge, MRS Bulletin 43, Materials for Advanced Semiconductor Memories, 352–357 (2018).

  9. Origin of the coercivity difference in Nd-Fe-B sintered magnets processed from hydrogenation-disproportionation-desorption- recombination powder and jet-milled powder
    X.D. Xu, T.T. Sasaki, Y. Une, H. Kubo, T. Ohkubo, M. Sagawa, K. Hono, Acta Mater. 151, 293-300 (2018).

  10. Magnetization measurements for grain boundary phases in Ga-doped Nd-Fe-B sintered magnet
    K. Niitsu, A. Sato, T.T. Sasaki, R. Sawada, Y. Cho, Y. Takada, T. Sato, Y. Kaneko, A. Kato, T. Ohkubo, D. Shindo, K. Hono, Y. Murakami, J. Alloys Compd. 752, 220-230 (2018).

  11. Heat-assisted magnetic recording media materials
    K. Hono, Y.K. Takahashi, G. Ju, J. Thiele, A. Ajan, X. Yang, R. Ruiz and L. Wan, MRS Bulletin 43, Materials for Heat-assisted Magnetic Recording, 93–99 (2018).

  12. Microstructural origin of hysteresis in Ni-Mn-In based magnetocaloric compounds
    H. Sepehri-Amin, A. Taubel, T. Ohkubo, K.P. Skokov, O. Gutfleisch, K. Hono, Acta Mater. 147, 342–349 (2018).

  13. Suppression of non-oriented grains in Nd-Fe-B hot-deformed magnets by Nb doping
    Xin Tang, H. Sepehri-Amin, T. Ohkubo, K. Hono, Scr. Mater. 147, 108–113 (2018).

  14. Coercivity enhancement of Nd-Fe-B hot-deformed magnets by the eutectic grain boundary diffusion process using Nd-Ga-Cu and Nd-Fe-Ga-Cu alloys
    L. Liu, H. Sepehri-Amin, T. T. Sasaki, T. Ohkubo, M. Yano, N. Sakuma, A. Kato, T. Shoji, and K. Hono, AIP Advances 8, 056205 (2018).

  15. Coercivity enhancement of hot-deformed Ce-Fe-B magnets by grain boundary infiltration of Nd-Cu eutectic alloy
    X. Tang, H. Sepehri-Amin, T. Ohkubo, M. Yano, M. Ito, A. Kato, N. Sakuma, T. Shoji, T. Schrefl, K. Hono, Acta Mater. 144, 884–895 (2018)..

  16. Enhancement of current-perpendicular-to-plane giant magnetoresistive outputs by improving B2-order in polycrystalline Co2(Mn0.6Fe0.4)Ge Heusler alloy films with the insertion of amorphous CoFeBTa underlayer
    S. Li, T. Nakatani, K. Masuda, Y. Sakuraba, X.D. Xu, T.T. Sasaki, H. Tajiri, Y. Miura, T. Furubayashi, K. Hono, Acta Mater. 142, 49–57 (2018).

  17. Temperature and field direction dependences of first-order reversal curve (FORC) diagrams of hot-deformed Nd-Fe-B magnets
    T. Yomogita, S. Okamoto, N. Kikuchi, O. Kitakami, H. Sepehri-Amin, T. Ohkubo, K. Hono, T. Akiya, K. Hioki, A. Hattori, J. Magn. Magn. Mater. 447, 110–115 (2018).

Spintronic Materials:

  1. High magnetic field sensitivity in anti-ferromagnetically coupled 001-epitaxial [Co2Fe(Al0.5Si0.5)/Ag]N multilayers
    T. Shiroyama, Y. Sakuraba, T. Nakatani, H. Sepehri-Amin, J. W. Jung, and K. Hono, J. Appl. Phys. 124, 163910 (2018).

  2. Perpendicular magnetic anisotropy at the Fe/MgAl2O4 interface: Comparative first-principles study with Fe/MgO
    K. Masuda, Y. Miura, Phys. Rev. B 98, 224421 (2018).

  3. Investigation of ramped voltage stress to screen defect magnetic tunnel junctions
    C.-M. Choi, S.-M. Yu, H. Sukegawa, S. Mitani and Y.H. Song, Semicond. Sci. Tech. 33, 015006-1-6 (2018).

  4. Anomalous modulation of spin torque-induced ferromagnetic resonance by dc currents in permalloy/platinum bilayer thin films
    S. Hirayama, S. Mitani, Y.C. Otani and S. Kasai, Appl. Phys. Express 11, 013002-1-4 (2018).

  5. Interface perpendicular magnetic anisotropy in ultrathin Ta/NiFe/Pt layered structures
    S. Hirayama, S. Kasai and S. Mitani, Jpn. J. Appl. Phys. 57, 013001-1-4 (2018).

  6. Direct current modulation of spin Hall induced spin torque ferromagnetic resonance in platinum/permalloy bilayer thin films
    S. Hirayama, S. Mitani, Y.C. Otani and S. Kasai, Jpn. J. Appl. Phys. Rapid Commun. 57, 060301 (2018).

  7. Perpendicular magnetic anisotropy in sputter-deposited Fe/MgO bilayer interfaces tuned by W buffer and Tb capping layers
    Y. Iida, J. Okabayashi and S. Mitani, Appl. Phys. Lett. 113, 252401 (2018).

  8. Enhanced current-perpendicular-to-plane giant magnetoresistance by improvement of atomic order of Co2FeSi Heusler alloy film through Ag doping
    S. Li, Y. Sakuraba, T. Sasaki, J. Chen, S. Bosu, and K. Hono, AIP Advances 8, 075230 (2018).

  9. Analysis of magnetotransport properties and microstructure in current-perpendicular-to-plane pseudo spin-valves using Co2Fe(Ga0.5Ge0.5) Heusler alloy and Ag/Mg-Ti-O/Ag-based spacer
    Y. Du, Y. Sakuraba, T. Nakatani, T. Furubayashi, T. Sasaki, Y.K. Takahashi, K. Hono, J. Appl. Phys. 123, 233903 (2018).

  10. Large perpendicular magnetic anisotropy in epitaxial Fe/MgAl2O4(001) heterostructures
    Q. Xiang, R. Mandal, H. Sukegawa, Y.K. Takahashi and S. Mitani, Appl. Phys. Express 11, 063008 (2018).

  11. Theoretical Study on Magnetic Tunneling Junctions with Semiconductor Barriers CuInSe2 and CuGaSe2 Including a Detailed Analysis of Band-Resolved Transmittances
    K. Masuda and Y. Miura, J. Magn. Soc. Jpn. 42, 37 (2018).

  12. Read sensor technology for ultrahigh density magnetic recording
    T. Nakatani, Z. Gao and K. Hono, MRS Bulletin 43, Materials for Heat-assisted Magnetic Recording, 106–111 (2018).

  13. Giant tunnel magnetoresistance in polycrystalline magnetic tunnel junctions with highly textured MgAl2O4(001) based barriers
    Ikhtiar, H. Sukegawa, X. Xu, M. Belmoubarik, H. Lee, S. Kasai, and K. Hono, Appl. Phys. Lett. 112, 022408 (2018).

  14. Microstructural evolution of perpendicular magnetization films with an ultra-thin Co2FeAl/MgAl2O4(001) structure
    J.P. Hadorn, H. Sukegawa, T. Ohkubo, S. Mitani, K. Hono, Acta Mater. 145, 306–315 (2018).

Spin Caloritronics:

  1. Thermographic measurements of spin-current-induced temperature modulation in metallic bilayers
    R. Iguchi, A. Yagmur, Y.-C. Lau, S. Daimon, E. Saitoh, M. Hayashi, and K. Uchida, Phys. Rev. B 98, 014402 (2018).

  2. Charge-current angle and frequency dependences of the spin Peltier effect induced by the spin Hall effect
    R. Iguchi and K. Uchida, Jpn. J. Appl. Phys. 57, 0902B6 (2018).

  3. Relationship between anomalous Ettingshausen effect and anomalous Nernst effect in an FePt thin film
    T. Seki, R. Iguchi, K. Takanashi, and K. Uchida, J. Phys. D: Appl. Phys. 51, 254001 (2018).

  4. Observation of anisotropic magneto-Peltier effect in nickel
    K. Uchida, S. Daimon, R. Iguchi, and E. Saitoh, Nature 558, 95–99 (2018).

  5. Enhanced thermo-spin effects in iron-oxide/metal multilayers
    R. Ramos, I. Lucas, P. A. Algarabel, L. Morellon, K. Uchida, E. Saitoh, and M. R. Ibarra, J. Phys. D: Appl. Phys. 51, 224003 (2018).

  6. Lock-in thermography measurements of the spin Peltier effect in a compensated ferrimagnet and its comparison to the spin Seebeck effect
    A. Yagmur, R. Iguchi, S. Gepraegs, A. Erb, S. Daimon, E. Saitoh, R. Gross, and K. Uchida, J. Phys. D: Appl. Phys. 51, 194002 (2018).

  7. Visualization of anomalous Ettingshausen effect in a ferromagnetic film: Direct evidence of different symmetry from spin Peltier effect
    T. Seki, R. Iguchi, K. Takanashi, and K. Uchida, Appl. Phys. Lett. 112, 152403 (2018).

  8. Annealing-temperature-dependent voltage-sign reversal in all-oxide spin Seebeck devices using RuO2
    A. Kirihara, M. Ishida, R. Yuge, K. Ihara, Y. Iwasaki, R. Sawada, H. Someya, R. Iguchi, K. Uchida, E. Saitoh, and S. Yorozu, J. Phys. D: Appl. Phys. 51, 154002 (2018).

  9. Anomalous reversal of transverse thermoelectric voltage in CoδFe100−δ/YIG junction
    R. Ramos, P. Wongjom, R. Iguchi, A. Yagmur, Z. Qiu, S. Pinitsoontorn, K. Uchida, and E. Saitoh, J. Magn. Magn. Mater. 447, 134-138 (2018).

Nanostructure Analysis:

(Methods or other materials except for magnetic and spintronic materials)
  1. Bake-hardenable Mg–Al–Zn–Mn–Ca sheet alloy processed by twin-roll casting
    M.Z. Bian, T.T. Sasaki, T. Nakata, Y. Yoshida, N. Kawabe, S. Kamado, K. Hono, Acta Mater. 158, 278-288 (2018).

  2. Effects of rolling conditions on the microstructure and mechanical properties in a Mg–Al–Ca–Mn–Zn alloy sheet
    M.Z. Bian, T.T. Sasaki, T. Nakata, S. Kamado, K. Hono, Mater. Sci. Eng. A 730, 147-154 (2018).

  3. Investigation of nanoscale voids in Sb-doped p-type ZnO nanowires
    K.C Pradel, J. Uzuhashi, T. Takei, T. Ohkubo, K. Hono and N. Fukata, Nanotechnology 29, 335204 (2018).

  4. 優れた室温成形性を示す高強度マグネシウム合金板材の開発
    佐々木泰祐、宝野和博, アルトピア Vol.48, No.2, 14-20 (2018).

  5. Improving mechanical properties and yield asymmetry in high-speed extrudable Mg-1.1Al-0.24Ca (wt%) alloy by high Mn addition
    T. Nakata, C. Xu, R. Ajima, Y. Matsumoto, K. Shimizu, T.T. Sasaki, K. Hono, S. Kamado, Mater. Sci. Eng. A 712, 12-19 (2018).

Other Fields:

  1. Anatomy of interfacial spin-orbit coupling in Co/Pd multilayers using X-ray magnetic circular dichroism and first-principles calculations
    J. Okabayashi, Y. Miura, and H. Munekata, Sci. Rep. 8, 8303 (2018).

  2. First-principle calculations of electronic structures and polar properties of (κ,ε)-Ga2O3
    J. Kim, D. Tahara, Y. Miura, and B. G. Kim, Appl. Phys. Express 11, 061101 (2018).

  3. Pressure effect on the magnetic properties of the half-metallic Heusler alloy Co2TiSn
    I. Shigeta, Y. Fujimoto, R. Ooka, Y. Nishisako, M. Tsujikawa, R. Y. Umetsu, A. Nomura, K. Yubuta, Y. Miura, T. Kanomata, M. Shirai, J. Gouchi, Y. Uwatoko, and M. Hiroi, Phys. Rev. B 97, 104414 (2018).

  4. Quartic Anharmonicity of Rattlers and Its Effect on Lattice Thermal Conductivity of Clathrates from First Principles
    T. Tadano, and S. Tsuneyuki, Phys. Rev. Lett. 120, 105901 (2018).

  5. First-Principles Lattice Dynamics Method for Strongly Anharmonic Crystals
    T. Tadano, and S. Tsuneyuki, J. Phys. Soc. Jpn. 87, 041015 (2018).
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