Publication 2019

Publication 2019

* The articles written in black are Original Papers, those indicated in green are Review Papers or Book Chapters. The articles written in grey are Conference Proceedings.
* Sorted by Research Fields.

Magnetic Materials:

  1. Nd-Fe-B焼結磁石のマルチスケール組織解析
    佐々木泰祐, 『次世代永久磁石の開発最前線 ~磁性の解明から構造解析、省・脱レアアース磁石、モータ応用まで~』 (監修 尾崎公洋、杉本諭), 第1編 第2章 (2019).

  2. The effect of Zr substitution on saturation magnetization in (Sm1-xZrx)(Fe0.8Co0.2)12 compound with the ThMn12 structure
    P. Tozman, Y.K. Takahashi, H. Sepehri-Amin, D. Ogawa, S. Hirosawa, K. Hono, Acta Mater. 178, 114-121 (2019).

  3. Comparison of coercivity and squareness in hot-deformed and sintered magnets produced from a Nd-Fe-B-Cu-Ga alloy
    X.D. Xu, H. Sepehri-Amin, T.T. Sasaki, M. Soderžnik, X. Tang, T. Ohkubo, K. Hono, Scr. Mater. 160, 9-14 (2019).

  4. Influence of Ti addition on microstructure and magnetic properties of a heavy-rare-earth-free Nd-Fe-B sintered magnet
    X.D. Xu, Z.J. Dong, T.T. Sasaki, Xin Tang, H. Sepehri-Amin, T.Ohkubo, K.Hono, J. Alloys Compd. 806, 1267-1275 (2019).

  5. Temperature dependent magnetization reversal process of a Ga-doped Nd-Fe-B sintered magnet based on first-order reversal curve analysis
    S. Okamoto, K. Miyazawa, T. Yomogita, N. Kikuchi, O. Kitakami, K. Toyoki, D. Billington, Y. Kotani, T. Nakamura, T. Sasaki, T. Ohkubo, K. Hono, Y. Takada, T. Sato, Y. Kaneko, A. Kato, Acta Mater. 178, 90-98 (2019).

  6. First-order reversal curve analysis of a Nd-Fe-B sintered magnet with soft X-ray magnetic circular dichroism microscopy
    K. Miyazawa, S. Okamoto, T. Yomogita, N. Kikuchi, O. Kitakami, K. Toyoki, D. Billington, Y. Kotani, T. Nakamura, T. Sasaki, T. Ohkubo, K. Hono, Acta Mater. 162, 1-9 (2019).

  7. Microstructure and coercivity of grain boundary diffusion processed Dy-free and Dy-containing Nd-Fe-B sintered magnets
    T.-H. Kim, T.T. Sasaki, T. Ohkubo, Y. Takada, A. Kato, Y. Kaneko, K. Hono, Acta Mater. 172, 139-149 (2019).

  8. Anisotropic, single-crystalline SmFe12-based microparticles with high roundness fabricated by jet-milling
    I. Dirba, J. Li, H. Sepehri-Amin, T. Ohkubo, T. Schrefl, K. Hono, J. Alloys Compd. 804, 155-162 (2019).

  9. Role of Ga on the high coercivity of Nd-rich Ga-doped Nd-Fe-B sintered magnet
    T.T. Sasaki, Y. Takada, H. Okazaki, T. Ohkubo, T. Nakamura, T. Sato, A. Kato, Y. Kaneko, K. Hono, J. Alloys Compd. 790, 750-759 (2019).

  10. Magnetization reversal process of anisotropic hot-deformed magnets observed by magneto-optical Kerr effect microscopy
    M. Soderžnik, J. Li, Lihua Liu, H. Sepehri-Amin, T. Ohkubo, N. Sakuma, T. Shoji, A. Kato, T. Schrefl, K. Hono, J. Alloys Compd. 771, 51-59 (2019).

  11. Emergence of coercivity in Sm(Fe0.8Co0.2)12 thin films via eutectic alloy grain boundary infiltration
    D. Ogawa, X.D. Xu, Y.K. Takahashi, T. Ohkubo, S. Hirosawa, K. Hono, Scr. Mater. 164, 140-144 (2019).

  12. Impact of carbon segregant on microstructure and magnetic properties of FePt-C nanogranular films on MgO (001) substrate
    J. Wang, H. Sepehri-Amin, H. Tajiri, T. Nakamura, K. Masuda, Y.K. Takahashi, T. Ina, T. Uruga, I. Suzuki, Y. Miura, and K. Hono, Acta Mater. 166, 413-423 (2019).

  13. High melting point metal (Pt, W) seed layer for grain size refinement of FePt-based heat-assisted magnetic recording media
    J. Wang, D. Liu, I. Suzuki, Y. Takahashi, M. Yan, and K. Hono, Appl. Phys. Express 12, 023007 (2019).

  14. Development of ultra-fine grain sized SmFe12-based powders using hydrogenation disproportionation desorption recombination process
    I. Dirba, H. Sepehri-Amin, T. Ohkubo, K. Hono, Acta Mater. 165, 373-380 (2019).

Spintronic Materials:

  1. Structure-property relationship of Co2MnSi thin films in response to He+-irradiation
    F. Hammerath, B. Rantej, H . René, B. Mira, S. Rodan,K. Potzger, R. Böttger, Y. Sakuraba & S. Wurmehl, Sci. Rep. 9, 2766 (2019).

  2. Element-specific density of states of Co2MnGe revealed by resonant photoelectron spectroscopy
    T. Kono, M. Kakoki, T. Yoshikawa, X. Wang, K. Sumida,K. Miyamoto, T. Muro, Y. Takeda, Y. Saitoh, K. Goto, Y. Sakuraba, K. Hono, and A. Kimura, Phys. Rev. B 100, 165120 (2019).

  3. Improved current-perpendicular-toplane giant magnetoresistance outputs by heterogeneous Ag-In:Mn-Zn-O nanocomposite spacer layer prepared from Ag-In-Zn-O precursor
    T. Nakatani, T. T. Sasaki , Y. Sakuraba , and K. Hono, J. Appl. Phys. 126, 173904 (2019).

  4. Design of spin-injection-layer in all-in-plane spin-torque-oscillator for microwave assisted magnetic recording
    H. Sepehri-Amin, W. Zhou, S. Bosu, C. Abert, Y. Sakuraba, S. Kasai, D. Suess, K. Hono, J. Magn. Magn. Mater. 476, 361-370 (2019).

  5. Predictive Materials Design of Magnetic Random-Access Memory Based on Nanoscale Atomic Structure and Element Distribution
    X. Li, T.T. Sasaki, C. Grezes, D. Wu, K.L. Wong, C. Bi, P.V. Ong, F. Ebrahimi, G. Q. Yu, N. Kioussis, W.G. Wang, T. Ohkubo, P. Khalili Amiri, K.L. Wang, Nano Lett. 19, 8621-8629 (2019).

  6. Perpendicular orbital and quadrupole anisotropies at Fe/MgO interfaces detected by x-ray magnetic circular and linear dichroisms
    J. Okabayashi, Y. Iida, Q. Xiang, H. Sukegawa and S. Mitani, Appl. Phys. Lett. 115, 252402 (2019).

  7. Spin-charge conversion in NiMnSb Heusler alloy films
    Z. Wen, Z. Qiu, S. Tölle, C. Gorini, T. Seki, D. Hou, T. Kubota, U.Eckern, E. Saitoh, and K. Takanashi, Science Advances 5, eaaw9337 (2019).

  8. Structural-order dependence of anomalous Hall effect in Co2MnGa topological semimetal thin films
    Q. Wang, Z. Wen, T. Kubota, T. Seki, and K. Takanashi, Appl. Phys. Lett. 115, 252401 (2019).

  9. Experimental verification of the origin of positive linear magnetoresistance in CoFe(V1−xMnx)Si Heusler alloys
    S.Yamada, S. Kobayashi, A. Masago, L.S.R. Kumara, H. Tajiri, T. Fukushima, S. Abo, Y. Sakuraba, K. Hono, T. Oguchi, and K. Hamaya, Phys. Rev. B 100, 195137 (2019).

  10. Band match enhanced current-in-plane giant magnetoresistance in epitaxial Co50Fe50/Cu multilayers with metastable bcc-Cu spacer
    K.B. Fathoni, Y. Sakuraba, T. Sasaki, Y. Miura, J.W. Jung, T. Nakatani, and K. Hono, APL Materials 7, 111106 (2019).

  11. Realizing Room-Temperature Resonant Tunnel Magnetoresistance in Cr/Fe/MgAl2O4 Quasi-Quantum Well Structures
    Q. Xiang, H. Sukegawa, M. Belmoubarik, M. Al‐Mahdawi, T. Scheike, S. Kasai, Y. Miura, S. Mitani, Adv. Sci. 6, 1901438 (2019).

  12. Impact of oxygen interdiffusion on spin-to-charge conversion at nonmagnetic metal/Bi oxide interfaces
    S. Sugimoto, J. Uzuhashi, S. Isogami, T. Ohkubo, Y. K. Takahashi, S. Kasai, and K. Hono, Phys. Rev. Materials 3, 104410 (2019).

  13. Temperature-dependent spin Hall effect tunneling spectroscopy in platinum
    K. Nakagawara, S. Kasai, J. Ryu, S. Mitani, L. Liu, M. Kohda, and J. Nitta, Appl. Phys. Lett. 115, 162403 (2019).

  14. Strain relaxation in epitaxial γ'-Fe4N ultrathin films
    I. Suzuki, J. Uzuhashi, T. Ohkubo, S. Isogami, Mater. Res. Express 6, 106446 (2019).

  15. Observation of the magnetization metastable state in a perpendicularly magnetized nanopillar with asymmetric potential landscape
    S. Iwakiri, S. Sugimoto, Y. Niimi, K. Kobayashi, Y.K. Takahashi, and S. Kasai, Appl. Phys. Lett. 115, 092407 (2019).

  16. Microstructure, magnetic and transport properties of a Mn2CoAl Heusler compound
    X.D. Xu, Z.X. Chen, Y. Sakuraba, A. Perumal, K. Masuda, L.S.R. Kumara, H. Tajiri, T. Nakatani, J. Wang, W. Zhou, Y. Miura, T. Ohkubo, K. Hono, Acta Mater. 176, 33-42 (2019).

  17. Voltage-controlled magnetic skyrmions in magnetic tunnel junctions
    S. Kasai, S. Sugimoto, Y. Nakatani, R. Ishikawa and Y.K. Takahashi, Appl. Phys. Express 12, 083001 (2019).

  18. Nonequilibrium skyrmion accumulation induced by direct current in Ir/Co/Pt heterostructure
    S. Sugimoto, S. Kasai, E. Anokhin, Y. Takahashi and Y. Tokura, Appl. Phys. Express 12, 073002 (2019).

  19. Inducing out-of-plane precession of magnetization for microwave-assisted magnetic recording with an oscillating polarizer in a spin-torque oscillator
    W. Zhou, H. Sepehri-Amin, T. Taniguchi, S. Tamaru, Y. Sakuraba, S. Kasai, H. Kubota, and K. Hono, Appl. Phys. Lett. 114, 172403 (2019).

  20. Over 100% magnetoresistance ratio at room temperature in magnetic tunnel junctions with CuGaSe2 spacer layer
    K. Mukaiyama, J.W. Jung, H. Sepehri-Amin, S. Kasai, T. Furubayashi, T. Ohkubo, and K. Hono, Appl. Phys. Lett. 114, 172402 (2019).

  21. Epitaxial oxide barriers for magnetic tunnel junctions (pp46-49)
    H. Sukegawa, K. Hono, M. Coll et al., "Towards Oxide Electronics: a Roadmap", Applied Surface Science 482, 1-93 (2019).

  22. Crystalline-structure-dependent magnetoresistance in ferromagnetic metal/conducting amorphous oxide heterostructures
    S. Isogami, J. Uzuhashi, T. Ohkubo, and M. Hayashi, Phys. Rev. Materials 3, 024408 (2019).

Spin Caloritronics:

  1. Thermoelectric microscopy of magnetic skyrmions
    R. Iguchi, S. Kasai, K. Koshikawa, N. Chinone, S. Suzuki & K. Uchida, Sci. Rep. 9, 18443 (2019).

  2. Observation of anomalous Ettingshausen effect and large transverse thermoelectric conductivity in permanent magnets
    A. Miura, H. Sepehri-Amin, K. Masuda, H. Tsuchiura, Y. Miura, R. Iguchi, Y. Sakuraba, J. Shiomi, K. Hono, and K. Uchida, Appl. Phys. Lett. 115, 222403 (2019).

  3. Mechanism of strong enhancement of anomalous Nernst effect in Fe by Ga substitution
    H. Nakayama, K. Masuda, J. Wang, A. Miura, K. Uchida, M. Murata, and Y. Sakuraba, Phys. Rev. Materials 3, 114412 (2019).

  4. Electric-field-induced on-off switching of anomalous Ettingshausen effect in ultrathin Co films
    H. Nakayama*, T. Hirai*, J. Uzuhashi, R. Iguchi, T. Ohkubo, T. Koyama, D. Chiba and K. Uchida, Appl. Phys. Express 12, 123003 (2019). (*equal contribution)

  5. Interfacial ferromagnetism and atomic structures in high-temperature grown Fe3O4/Pt/Fe3O4 epitaxial trilayers
    T. Kikkawa, M. Suzuki, R. Ramos, M. H. Aguirre, J. Okabayashi, K. Uchida, I. Lucas, A. Anadon, D. Kikuchi, P. A. Algarabel, L. Morellon, M. R. Ibarra, and E. Saitoh, J. Appl. Phys. 126, 143903 (2019).

  6. Strain-induced switching of heat current direction generated by magneto-thermoelectric effects
    S. Ota*, K. Uchida*, R. Iguchi, P.V. Thach, H. Awano, D. Chiba, Sci. Rep. 9, 13197 (2019). (*equal contribution)

  7. Direct observation of magneto-Peltier effect in current-in-plane giant magnetoresistive spin valve
    H. Nakayama, T. Nakatani, R. Iguchi, T. Seki, and K. Uchida, Appl. Phys. Lett. 115, 092406 (2019).

  8. Spincaloritronic measurements: a round robin comparison of the longitudinal spin Seebeck effect
    A. Sola, V. Basso, M. Kuepferling, M. Pasquale, D. Meier, G. Reiss, T. Kuschel, T. Kikkawa, K. Uchida, E. Saitoh, H. Jin, S. Boona, S. Watzman, J. Heremans, M. B. Jungfleisch, W. Zhang, J. E. Pearson, A. Hoffmann, and H. W. Schumacher, IEEE Trans. Instrum. Meas. 68, 1765-1773 (2019).

  9. Interface-induced anomalous Nernst effect in Fe3O4/Pt-based heterostructures
    R. Ramos, T. Kikkawa, A. Anadon, I. Lucas, T. Niizeki, K. Uchida, P. A. Algarabel, L. Morellon, M. H. Aguirre, M. R. Ibarra, and E. Saitoh, Appl. Phys. Lett. 114, 113902 (2019).

  10. Systematic investigation of anisotropic magneto-Peltier effect and anomalous Ettingshausen effect in Ni thin films
    R. Das, R. Iguchi, and K. Uchida, Phys. Rev. Applied 11, 034022 (2019).

  11. First-principles study of the anisotropic magneto-Peltier effect
    K. Masuda, K. Uchida, R. Iguchi, and Y. Miura, Phys. Rev. B 99, 104406 (2019).

  12. Machine-learning guided discovery of a new thermoelectric material
    Y. Iwasaki, I. Takeuchi, V. Stanev, A. G. Kusne, M. Ishida, A. Kirihara, K. Ihara, R. Sawada, K. Terashima, H. Someya, K. Uchida, E. Saitoh, and S. Yorozu, Sci. Rep. 9, 2751 (2019).

  13. Thermopile based on anisotropic magneto-Peltier effect
    R. Das and K. Uchida, Appl. Phys. Lett. 114, 082401 (2019).

  14. Anomalous Ettingshausen effect in ferrimagnetic Co-Gd
    T. Seki, A. Miura, K. Uchida, T. Kubota, and K. Takanashi, Appl. Phys. Express 12, 023006 (2019).

  15. Thickness dependence of transverse thermoelectric voltage in Co40Fe60/YIG magnetic junctions
    P. Wongjom, R. Ramos, S. Pinitsoontorn, K. Uchida, and E. Saitoh, J. Magn. Magn. Mater. 471, 439-443 (2019).

Nanostructure Analysis:

(Methods or other materials except for magnetic and spintronic materials)
  1. 時効析出を用いたマグネシウム展伸合金の開発
    佐々木泰祐、宝野和博, 軽金属 69, 217-222 (2019).

  2. Atomic-scale quantitative analysis of implanted Mg in annealed GaN layers on free-standing GaN substrates
    A. Kumar, J. Uzuhashi, T. Ohkubo, R. Tanaka, S. Takashima, M. Edo, and K. Hono, J. Appl. Phys. 126, 235704 (2019).

  3. Influence of photoexcited carriers on compositional measurements by APT: AlGaN alloy case study
    Y. Kanitani, S. Tomiya, T. Ohkubo and K. Hono, Jpn. J. Appl. Phys. 58, 096505 (2019).

  4. Change of Deformation Mechanisms Leading to High Strength and Large Ductility in Mg-Zn-Zr-Ca Alloy with Fully Recrystallized Ultrafine Grained Microstructures
    R. Zheng, T. Bhattacharjee, S. Gao, W. Gong, A. Shibata, T. Sasaki, K. Hono & N. Tsuji, Sci. Rep. 9, 11702 (2019).

  5. Origin of texture weakening in a rolled ZEX4101 alloy sheet and its effect on room temperature formability and tensile property
    T. Nakata, C. Xu, Y. Uehara, T.T. Sasaki, S. Kamado, J. Alloys Compd. 782, 304-314 (2019).

  6. Determining the strength of GP zones in Mg alloy AXM10304, both parallel and perpendicular to the zone
    J.J. Bhattacharyya, T.T. Sasaki, T. Nakata, K. Hono, S. Kamado, S.R. Agnew, Acta Mater. 171, 231-239 (2019).

  7. Cathodoluminescence and scanning transmission electron microscopy study of InGaN/GaN quantum wells in core-shell GaN nanowires
    W. Yi, J. Uzuhashi, J. Chen, T. Kimura, S. Kamiyama, T. Takeuchi, T. Ohkubo, T. Sekiguchi and K. Hono, Appl. Phys. Express 12, 085003 (2019).

Other Fields:

  1. Ballistic transport in periodically modulated MgZnO/ZnO two-dimensional electron systems
    K. Tanaka, J. Falson, Y. Kozuka, M. Uchida, D. Maryenko, J.T. Ye, Y. Iwasa, A. Tsukazaki, J.H. Smet, M. Kawasaki, Appl. Phys. Lett. 115, 153101 (2019).

  2. Quantized conductance of one-dimensional strongly correlated electrons in an oxide heterostructure
    H. Hou, Y. Kozuka, J.-W. Liao, L.W. Smith, D. Kos, J.P. Griffiths, J. Falson, A. Tsukazaki, M. Kawasaki, C J.B. Ford, Phys. Rev. B 99, 121302(R) (2019).

  3. Formation of a two-dimensional single-component correlated electron system and band engineering in the nickelate superconductor NdNiO2
    Y. Nomura, M. Hirayama, T. Tadano, Y. Yoshimoto, K. Nakamura, and R. Arita, Phys. Rev. B 100, 205138 (2019).

  4. Exploring half-metallic Co-based full Heusler alloys using a DFT+U method combined with linear response approach
    K. Nawa, and Y. Miura, RSC Adv. 9, 30462–30478 (2019).

  5. Strain-induced reversible manipulation of orbital magnetic moments in Ni/Cu multilayers on ferroelectric BaTiO3
    J. Okabayashi, Y. Miura, and T. Taniyama, npj Quantum Mater. 4, 21 (2019).

  6. Ab initio derivation of an effective Hamiltonian for the La2CuO4/La1.55Sr0.45CuO4 heterostructure
    T. Tadano, Y. Nomura, and M. Imada, Phys. Rev. B 99, 155148 (2019).

  7. First-principles study of phonon anharmonicity and negative thermal expansion in ScF3
    Y. Oba, T. Tadano, R. Akashi, and S. Tsuneyuki, Phys. Rev. Materials 3, 033601 (2019).

  8. Electronic and spin structure of O- and H-adsorbed Fe3O4(111) surfaces
    K. Asakawa, Y. Miura, N. Nagatsuka, K. Takeyasu, M. Matsumoto, and K. Fukutani, Phys. Rev. B 99, 085442 (2019).

  9. Ab initio prediction of structural phase-transition temperature of SrTiO3 from finite-temperature phonon calculation
    T. Tadano, and S. Tsuneyuki, J. Ceram. Soc. JAPAN 127, 404-408 (2019).
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