Publication 2025

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National Institute for Material Science

Publication 2025

* Sorted by Research Fields.

Magnetic Materials:

  1. Thermal spin-torque heat-assisted magnetic recording
    S. Isogami, Y. Sasaki, Y. Fan, Y. Kubota, J. Gadbois, K. Hono, and Y.K. Takahashi, Acta Mater. 286, 120743 (2025).

  2. Heavy rare earth-free high resistivity and coercivity Nd-Fe-B hot-deformed magnet developed by Pr-Cu diffusion and CaF2-LiF eutectic addition
    Z.H. Kautsar, H. Sepehri-Amin, Xin Tang, N. Kulesh, T.T. Sasaki, T. Ohkubo, and K. Hono, J. Alloys Compd. 1010, 177738 (2025).

  3. Effect of Co on twin formation and magnetic properties of Sm(Fe,Ti,V)12 alloys
    P. Tozman, G. Hrkac, J. B. Staunton, T. Saito, T.T. Sasaki, T. Ohkubo, H. Sepehri-Amin, Scr. Mater. 258, 116491 (2025).

  4. Development of L10-ordered FePt with low damping and large perpendicular magnetic anisotropy by engineering the nanostructure
    P.D. Bentley, Y. Sasaki, I. Suzuki, S. Isogami, Y.K. Takahashi, H. Suto, Appl. Phys. Lett. 126, 022404 (2025).

  5. Combinatorial sputtering synthesis of TbCu7-type Sm-Fe based compounds: a study on phase, composition, and extrinsic magnetic properties
    A.R. Dilipan, H. Sepehri-Amin, R. Modak, V.K. Kushwaha, Y. Sakuraba, K. Uchida, K. Hono, Y.K. Takahashi, J. Alloys Compd. 1010, 177723 (2025).

Spintronic Materials:

  1. Enhanced tunnel magnetoresistance of Fe/MgGa2O4/Fe(001) magnetic tunnel junctions by interface-tuning with atomic scale MgO insertion layers  Editor's Pick 
    R. Sihombing, T. Scheike, J. Uzuhashi, T. Ohkubo, Z. Wen, S. Mitani, and H. Sukegawa, Appl. Phys. Lett. 126, 022407 (2025).

  2. High-throughput evaluation of half-metallicity of Co2MnSi Heusler alloys using composition-spread films and spin-integrated hard X-ray photoelectron spectroscopy
    R. Toyama, S. Tsuda, Y. Iwasaki, T.D. Phan, S. Yamamoto, H. Yamane, K. Yaji and Y. Sakuraba, Sci. Tech. Adv. Mater. 26, 2439781 (2025).

Spin Caloritronics:

  1. Enhancement of thermodynamic efficiency in active magnetic refrigeration using sinusoidal wavy structures
    T.-A. Nguyen, R. Takata, K. Uchida, and H. Nagano,, Int. J. Heat Mass Transf. 240, 126654 (2025).

Nanostructure Analysis:

(Methods or other materials except for magnetic and spintronic materials)
  1. Experimental investigation and simulation of SEM image intensity behaviors for developing thickness-controlled S/TEM lamella preparation via FIB-SEM
    J. Uzuhashi, Y. Yao, T. Ohkubo, and T. Sekiguchi, Microscopy, dfaf006 (2025).

  2. Effects of Al addition on Vickers hardness increase by thermal aging of Fe-Cr-Al alloys — evaluation by systematic experiments, machine learning modeling, and first-principles calculations
    Y. Abe, T. Tsuru, Y. Fujita, M. Ohtomo, T.T. Sasaki, S. Yamashita, N. Ohkubo, S. Ukai, J. Nucl. Mater. 606, 155606 (2025).

  3. Superimpositional design of crystallographic textures and macroscopic shapes via metal additive manufacturing - Game-change in component design
    T. Ishimoto, N. Morita, R. Ozasa, A. Matsugaki, O. Gokcekaya, S. Higashino, M. Tane, T. Mayama, K. Cho, H.Y. Yasuda, M. Okugawa, Y. Koizumi, M. Yoshiya, D. Egusa, T.T. Sasaki, E. Abe, H. Kimizuka, N. Ikeo, T. Nakano, Acta Mater. 286, 120709 (2025).

  4. Guinier-Preston (GP) zone strengthening of dilute magnesium alloys comprised of earth-abundant elements
    J.J. Bhattacharyya, S. Faberman, Z.H. Li, A. Sullivan, D. Cheng, B. Khoury, Y. Gao, T.T. Sasaki, B.C. Zhou, D. Warner, S.R. Agnew, Scr. Mater. 258, 116514 (2025).

  5. Characterization of δNi2Si Precipitates in Cu-Ni-Si Alloy by Small-angle X-ray Scattering, Small-angle Neutron Scattering, and Atom Probe Tomography
    H. Sasaki, S. Akiya, K. Mihara, Y. Oba, M. Onuma, J. Uzuhashi, and T. Ohkubo, Mater. Trans. 66, 44-49 (2025).

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