Publication 2024

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National Institute for Material Science

Publication 2024

* 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. Excellent intrinsic magnetic properties in the TbCu7-type Sm-Fe-N compound
    A.R. Dilipan, D. Ogawa, H. Sepehri-Amin, P. Tozman, T. Hiroto, K. Hono, Y.K. Takahashi, Acta Mater. 274, 119996 (2024).

  2. Dual-layer FePt-C granular media for multi-level heat-assisted magnetic recording
    P. Tozman, S. Isogami, I. Suzuki, A. Bolyachkin, H. Sepehri-Amin, S.J. Greaves, H. Suto, Y. Sasaki, T.Y. Chang, Y. Kubota, P. Steiner, P.-W. Huanf, K. Hono, Y.K. Takahashi, Acta Mater. 271, 119869 (2024).

  3. Tomography-based digital twin of Nd-Fe-B permanent magnets
    A. Bolyachkin, E. Dengina, N. Kulesh, Xin Tang, H. Sepehri-Amin, T. Ohkubo, K. Hono, npj Comput. Mater. 10, 34 (2024).

Spintronic Materials:

  1. Enhancing atomic ordering, magnetic and transport properties of Mn2VGa Heusler alloy thin films toward negatively spin-polarized charge injection
    Z.H. Li, H. Suto, V. Barwal, K. Masuda, T.T. Sasaki, Z.X. Chen, H. Tajiri, L.S.R. Kumara, T. Koganezawa, K. Amemiya, S. Kokado, K. Hono, Y. Sakuraba, Acta Mater. 276, 120110 (2024).

  2. Spin-Orbit Torque Modulated by Interface Chemistry in Topological BiSb/NiFe Bilayers with Titanium Insertion
    T. Manoj, Z. Wen, J. Uzuhashi, T. Ohkubo, H. Sukegawa, C. Murapaka, B. York, X. Liu, Q. Le, and S. Mitani, ACS Appl. Electron. Mater. 6, 4269-4276 (2024).

  3. Negative spin polarization of Mn2VGa Heusler alloy thin films studied in current-perpendicular-to-plane giant magnetoresistance devices
    H. Suto, V. Barwal, K. Simalaotao, Z. Li, K. Masuda, T. Sasaki, Y. Miura, Y. Sakuraba, J. Appl. Phys. 135, 203901 (2024).

  4. Enhanced orbital torque efficiency in nonequilibrium Ru50Mo50(0001) alloy epitaxial thin films
    K. Tang, C. He, Z. Wen, H. Sukegawa, T. Ohkubo, Y. Nozaki and S. Mitani, APL Mater. 12, 031131 (2024).

  5. Magneto-transport properties in perpendicularly magnetized magnetic tunnel junctions using an Mg40Fe10O50 tunnel barrier
    T. Yamamoto, T. Ichinose, J. Uzuhashi, T. Nozaki, T. Ohkubo, K. Yakushiji, S. Tamaru, H. Kubota, and S. Yuasa, Acta Mater. 267, 119749 (2024).

Spin Caloritronics:

  1. High-throughput optimization of magnetoresistance materials based on lock-in thermography
    R. Modak, T. Hirai, Y. Sakuraba, S. Mitani, K. Oyanagi, T. Yamazaki, T. Seki, and K. Uchida, Adv. Mater. Res., 2400021 (2024).

  2. Prediction of giant anomalous Nernst effect in Sm(Co,Ni)5
    N. Chiba, K. Masuda, K. Uchida, and Y. Miura, Appl. Phys. Lett. 124, 212408 (2024).

  3. Spin caloritronics in metallic superlattices
    T. Seki, K. Uchida, and K. Takanashi, J. Phys. Condens. Matter. 36, 333001 (2024).

  4. Near-infrared imaging of heat transfer behavior between gadolinium and fluid during magnetization/demagnetization process of magnetocaloric effect
    T.-A. Nguyen, N. Kakuta, K. Uchida, and H. Nagano, J. Appl. Phys. 135, 193904 (2024).

  5. Zero-magnetic-field operation of ordinary-Nernst-effect-based transverse thermoelectric module using embedded permanent magnets  Featured Article 
    M. Murata, T. Hirai, T. Seki, and K. Uchida, Appl. Phys. Lett. 124, 193901 (2024).

  6. Creation of flexible spin-caloritronic material with giant transverse thermoelectric conversion by nanostructure engineering
    R. Gautam, T. Hirai, A. Alasli, H. Nagano, T. Ohkubo, K. Uchida & H. Sepehri-Amin, Nat. Commun. 15, 2184 (2024).

  7. Direct-contact Seebeck-driven transverse magneto-thermoelectric generation in magnetic/thermoelectric bilayers
    W. Zhou, T. Sasaki, K. Uchida, Y. Sakuraba, Adv. Sci. 11, 2308543 (2024).

  8. Permanent-magnet-based transverse thermoelectric generator with high fill factor driven by anomalous Nernst effect
    F. Ando, T. Hirai, and K. Uchida, APL Energy 2, 016103 (2024).

  9. Bipolarity of large anomalous Nernst effect in Weyl magnet-based alloy films
    S. Noguchi, K. Fujiwara, Y. Yanagi, M.-T. Suzuki, T. Hirai, T. Seki, K. Uchida, and A. Tsukazaki, Nat. Phys. 20, 254–260 (2024).

Nanostructure Analysis:

(Methods or other materials except for magnetic and spintronic materials)
  1. Vacancy-Type Defects and Oxygen Incorporation in NiAl for Advanced Interconnects Probed by Monoenergetic Positron Beams and Atom Probe Tomography
    A. Uedono, C. Fleischmann, J. Soulie, M. Ayyad, J. Scheerder, C. Adelmann, J. Uzuhashi, T. Ohkubo, K. Michishio, N. Oshima, and S. Ishibashi, ACS Appl. Electron. Mater. Published Online, (2024).

  2. Electronic and Thermal Transport Properties of Nanostructured Thermoelectric Materials Sintered from Chemically Synthesized Tin Sulfide Nanoparticles and Effects of Ag and Se Doping
    K. Kobayashi, M. Takahashi, S. Moore, M. Miyata, P. Sauerschnig, J. Uzuhashi, M. Ohta, T. Ohkubo, and S. Maenosono, ACS Appl. Energy Mater. 7, 4484-4493 (2024).

  3. Systematic study of FIB-induced damage for the high-quality TEM sample preparation
    J. Uzuhashi and T. Ohkubo, Ultramicroscopy 262, 113980 (2024).

  4. Impact of Sequential N Ion Implantation on Extended Defects and Mg Distribution in Mg Ion-Implanted GaN
    E. Kano, J. Uzuhashi, K. Kobayashi, K. Ishikawa, K. Sawabe, T. Narita, K. Sierakowski, M. Bockowski, T. Ohkubo, T. Kachi, and N. Ikarashi, Phys. Status Solidi Rapid Res. Lett. Early View, 2400074 (2024).

  5. Atomic-Scale Multimodal Characterization of Self-Assembled InAs/InGaAlAs Quantum Dots
    Y. Yamaguchi, Y. Inaba, R. Arai, Y. Kanitani, Y. Kudo, M. Shiomi, D. Kasahara, M. Yokozeki, N. Fuutagawa, J. Uzuhashi, T. Ohkubo, K. Hono, K. Akahane, N. Yamamoto, and S. Tomiya, J. Phys. Chem. Lett. 15, 3772-3778 (2024).

  6. Vacancy-type defects and their trapping/detrapping of charge carriers in ion-implanted GaN studied by positron annihilation
    A. Uedono, R. Tanaka, S. Takashima, K. Ueno, M. Edo, K. Shima, S.F. Chichibu, J. Uzuhashi, T. Ohkubo, S. Ishibashi, K. Sierakowski, and M. Bockowski, Phys. Status Solidi B 261, 2400060 (2024).

  7. An automated site-specific tip preparation method for atom probe tomography using script-controlled focused ion beam/scanning electron microscopy
    J. Uzuhashi, T. Ohkubo, and K. Hono, Microsc. Microanal. Published Online, ozae015 (2024).

  8. Robust preparation of sub-20-nm-thin lamellae for aberration-corrected electron microscopy
    H. Tsurusawa, J. Uzuhashi, Y. Kozuka, K. Kimoto, and T. Ohkubo, Small Methods Early View, 2301425 (2024).

  9. Improvement of oxidation resistance for Ni-base single crystal superalloy TMS-238 by suppression of Sb segregation at oxide/substrate interface using CaO
    H. Maezawa, C. Tabata, Y. Takata, J. Uzuhashi, T. Ohkubo, T. Yokokawa, H. Harada, K. Kawagishi, and S. Suzuki, Metall. Mater. Trans. B 55, 183–194 (2024).
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