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Suzuki, Kazuya; Kubota, Takahide*; Takanashi, Koki
APL Materials (Internet), 13(10), p.101108_1 - 101108_6, 2025/10
The structural, magnetic, and magneto-transport properties of ferromagnetic FeCoNiCuPd high-entropy alloy (HEA) thin films were investigated to assess the role of the heavy element Pd in magneto-transport. The FeCoNiCuPd films with varying composition ratios of Cu and Pd were fabricated by a co-sputtering process at ambient temperature, and the resulting films exhibited a face-centered cubic structure with a homogenous single phase. All the films exhibited ferromagnetic hysteresis curves with soft magnetic behavior at room temperature. The dependence of the anisotropic magnetoresistance effect and anomalous Hall effect on Pd suggests that heavy metals with large spin-orbit interactions play an important role in the magneto-transport of magnetic HEAs. This finding will facilitate the understanding of the magneto-transport phenomenon in magnetic HEAs for future spintronic materials.
Kubota, Takahide*; Suzuki, Kazuya; Hirayama, Yoshiyuki*; Takahashi, Shigeki*; Takanashi, Koki
Physical Review Materials (Internet), 9(8), p.084408_1 - 084408_7, 2025/08
Hirohata, Atsufumi*; Lloyd, D. C.*; Kubota, Takahide*; Seki, Takeshi*; Takanashi, Koki; Sukegawa, Hiroaki*; Wen, Z.*; Mitani, Seiji*; Koizumi, Hiroki*
IEEE Access, 11, p.117443 - 117459, 2023/10
Times Cited Count：5 Percentile：24.10(Computer Science, Information Systems)Yamazaki, Takumi*; Seki, Takeshi*; Kubota, Takahide*; Takanashi, Koki
Applied Physics Express, 16(8), p.083003_1 - 083003_4, 2023/08
Times Cited Count：1 Percentile：8.86(Physics, Applied)Zhou, Z.*; Frost, W.*; Lloyd, D. C.*; Seki, Takeshi*; Kubota, Takahide*; Ramos, R.*; Saito, Eiji; Takanashi, Koki; Hirohata, Atsufumi*
Journal of Magnetism and Magnetic Materials, 571, p.170575_1 - 170575_5, 2023/04
Times Cited Count：1 Percentile：7.49(Materials Science, Multidisciplinary)
MnSiShigeta, Iduru*; Oku, Shuta*; Kubota, Takahide*; Kimura, Shojiro*; Seki, Takeshi*; Shinozaki, Bunju*; Awaji, Satoshi*; Takanashi, Koki; Hiroi, Masahiko*
AIP Advances (Internet), 13(2), p.025116_1 - 025116_5, 2023/02
Times Cited Count：1 Percentile：8.86(Nanoscience & Nanotechnology)
CoGa
filmsKubota, Takahide*; Takano, Daichi*; Kota, Yohei*; Mohanty, S.*; Ito, Keita*; Matsuki, Mitsuhiro*; Hayashida, Masahiro*; Sun, M.*; Takeda, Yukiharu; Saito, Yuji; et al.
Physical Review Materials (Internet), 6(4), p.044405_1 - 044405_12, 2022/04
Times Cited Count：7 Percentile：39.49(Materials Science, Multidisciplinary)VAl/Fe layered films showing exchange biasKubota, Takahide*; Shimada, Yusuke*; Tsuchiya, Tomoki*; Yoshikawa, Tomoki*; Ito, Keita*; Takeda, Yukiharu; Saito, Yuji; Konno, Toyohiko*; Kimura, Akio*; Takanashi, Koki*
Nanomaterials (Internet), 11(7), p.1723_1 - 1723_11, 2021/07
Times Cited Count：2 Percentile：9.23(Chemistry, Multidisciplinary)Frost, W.*; Seki, Takeshi*; Kubota, Takahide*; Ramos, R.*; Saito, Eiji; Takanashi, Koki*; Hirohata, Atsufumi*
Applied Physics Letters, 118(17), p.172405_1 - 172405_5, 2021/04
Times Cited Count：1 Percentile：3.92(Physics, Applied)VAl Heusler alloy thin films; Appearance of antiferromagnetism and exchange bias in a layered structure with FeTsuchiya, Tomoki*; Kobayashi, Ryota*; Kubota, Takahide*; Saito, Kotaro*; Ono, Kanta*; Ohara, Takashi; Nakao, Akiko*; Takanashi, Koki*
Journal of Physics D; Applied Physics, 51(6), p.065001_1 - 065001_7, 2018/02
Times Cited Count：10 Percentile：39.18(Physics, Applied)