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Journal Articles

原著論文

Number of publications : 36

    2025年度

  1. 36

    R. Hasegawa, A. Varadwaj*, A.L. Foggiatto, M. Niibe, T. Yamazaki, I. Matsuda, and M. Kotsugi,

    “Automated Elucidation of Crystal and Electronic Structures in Boron Nitride from X-ray Absorption Spectra Using Uniform Manifold Approximation and Projection,”

    Scientific Report, vol. xx, article no. xxx, pp. 1-xx (Oct. 2025)

  2. 35
  3. 34

    M. Taniwaki, R. Nagaoka, K. Masuzawa, S. Sato, A.L. Foggiatto, C. Mitsumata, T. Yamazaki, I. Obayashi, Y. Hiraoka, Y. Igarashi, Y. Mizutori, S.A. Hossein, T. Ohkubo, H. Mogi, and M. Kotsugi*,

    “Automated identification of the origin of energy loss in nonoriented electrical steel by feature extended Ginzburg–Landau free energy framework,”

    Scientific Reports, vol. 15, article no. 23758, pp. 1–13 (Jul. 2025)

    [プレスリリース(2025.07.15)]:次世代AIで磁性材料のエネルギー損失の原因を解明~省エネルギーな次世代EV開発への応用に期待~

    [メディア]:日本経済新聞

  4. 33

    K. Nakamura, D. Furuya, Y. Miura, T. Yamazaki, A.L. Foggiatto, Y. Iwasaki, and M. Kotsugi*,

    “Efficient Discovery of Large Magnetic Anisotropy with Thermodynamically Stable Materials via Multi-Objective Bayesian Optimization,”

    Science and Technology of Advanced Materials: Methods, vol. 5, no. 1, article 2485025, pp. 1–11 (Apr. 2025)

  5. 2024年度

  6. 32

    Y. Shima, T. Yamazaki*, A.L. Foggiatto, C. Mitsumata, and M. Kotsugi,

    “Iron Loss analysis in Soft Magnetic Materials via Maxwell Equations-Coupled Multiscale Micromagnetic Simulations,”

    Journal of Applied Physics, vol. 137, article no. 123906, pp. 1–11 (Mar. 2025)

  7. 31
  8. 30

    K. Sano, T. Yamazaki*, Y. Nakamura, M. Ohtake, C. Oka, J. Sakurai, and S. Hata,

    “Tuning magnetic properties by microstructure control of nanocrystalline thin films for compact vibration energy harvesters,”

    IEICE Electronics Express, vol. 22, no. 6, pp. 1–6 (Feb. 2025)

  9. 29

    Y. Iwasaki*, R. Toyama, T. Yamazaki, Y. Igarashi, M. Kotsugi, and Y. Sakuraba,

    “Autonomous search for half-metallic materials with B2 structure,”

    Science and Technology of Advanced Materials: Methods, vol. 4, no. 1, article 2403966, pp. 1–8 (Sep. 2024)

  10. 28

    T. Kato, R. Morisaki, T. Yamazaki, C. Oka, J. Sakurai, and S. Hata*,

    “Prototype of parallel plate type fast atom beam source and its improvement of irradiation characteristics,”

    International Journal of Automation Technology, vol. 18, no. 4, pp. 513–520 (Jul. 2024)

  11. 27

    K. Omae, T. Yamazaki*, K. Sano, C. Oka, J. Sakurai, and S. Hata,

    “Effect of Noise on Accuracy of Grain Size Evaluation by Magnetic Barkhausen Noise Analysis,”

    International Journal of Automation Technology, vol. 18, no. 4, pp. 528–536 (Jul. 2024)

  12. 26

    R. Nagaoka, K. Masuzawa, A.L. Foggiatto, T. Yamazaki, I. Obayashi, Y. Hiraoka, C. Mitsumata, and M. Kotsugi*,

    “Quantification of the coercivity factor in soft magnetic materials at different frequencies using topological data analysis,”

    IEEE Transactions on Magnetics, vol. 60, no. 9, article no. 4000305, pp. 1–5 (Sep. 2024)

  13. 25

    A.L. Foggiatto*, R. Nagaoka, M. Taniwaki, T. Yamazaki, T. Ogasawara, I. Obayashi, Y. Hiraoka, C. Mitsumata, and M. Kotsugi,

    “Analysis of the excess loss in high-frequency magnetization process through machine learning and topological data analysis,”

    IEEE Transactions on Magnetics, vol. 60, no. 9, article no. 7001305, pp. 1–5 (Sep. 2024)

  14. 2023年度以前

  15. 24
  16. 23

    A.L. Foggiatto*, Y. Mizutori, T. Yamazaki, S. Sato, K. Masuzawa, R. Nagaoka, M. Taniwaki, S. Fujieda, S. Suzuki, K. Ishiyama, T. Fukuda, Y. Igarashi, C. Mitsumata, and M. Kotsugi,

    “Visualization of the Magnetostriction Mechanism in Fe-Ga alloy Single Crystal Using Dimensionality Reduction Techniques,”

    IEEE Transactions on Magnetics, vol. 59, no. 11, article no. 2501604, pp. 1–4 (Nov. 2023)

  17. 22

    R. Toyama, S. Kokado, K. Masuda, Z. Li, V. K. Kushwaha, T.T. Sasaki, L. S. R. Kunara, T. Koganezawa, H. Tajiri, T. Yamazaki, M. Kotsugi, Y. Iwasaki, and Y. Sakuraba*,

    “Origin of negative anisotropic magnetoresistance effect in Fe0.75Co0.25 single-crystal thin films upon Ir addition,”

    Physical Review Materials, vol. 7, no. 8, article no. 084401, pp. 1–9 (Aug.2023)

  18. 21

    K. Omae, T. Yamazaki*, C. Oka, J. Sakurai, and S. Hata,

    “Strain measurement based on Magnetic Barkhausen noise for thin films,”

    Microelectronic Engineering, vol. 279, no. 15, article no. 112057, pp. 1–6 (Jul. 2023)

  19. 20

    S. Takase, T. Yamazaki, C. Oka, J. Sakurai, and S. Hata*,

    “Novel measurement method of internal stress in thin films using micro spring structure,”

    Mechanical Engineering Journal, vol. 10, no. 4, article 23-00074, pp. 1–7 (May 2023)

  20. 19

    T. Yamazaki*, A. L. Montagnoli, M. L. Young, and I. Takeuchi,

    “Tuning the Temperature Range of Superelastic Ni-Ti Alloys for Elastocaloric Cooling via Thermal Processing,”

    Journal of Physics: Energy, vol. 5, no. 2, article 024020, pp. 1–10 (Apr. 2023)

  21. 18

    S. Inoue, T. Yamazaki, C. Oka, S. Hata, and J. Sakurai*,

    “Combinatorial search for Ti-Ni-Hf high formable shape memory alloys,”

    Japanese Journal of Applied Physics, vol. 61, no. 6, article 065507, pp. 1–8 (May 2022)

  22. 17

    F. Haga, T. Yamazaki, C. Oka, S. Hata, Y. Hoshino, and J. Sakurai*,

    “Effect of structural relaxation at bellow crystallization temperature on internal stress of Ni-Nb-Zr thin-film amorphous alloys diaphragm for Micro electromechanical systems sensors,”

    Japanese Journal of Applied Physics, vol. 61, no. SD, article SD1027, pp. 1–6 (May 2022)

  23. 16

    T. Yamazaki*, Y. Furuya, S. Hata, and W. Nakao,

    “Stress-driven magnetic Barkhausen noise generation in FeCo magnetostrictive alloy,”

    IEEE Transactions on Magnetics, vol. 58, no. 1, article 4000308, pp. 1–8 (Jan. 2022)

  24. 15

    D. Yamada, S. Hori, S. Abe, Y. Kumeno, T. Yamazaki, C. Oka, J. Sakurai, and S. Hata*,

    “Examination of Mechanical Properties and Photoelastic Properties of Gel Material for Blood Vessel Mimics,”

    Journal of Medical Devices, vol. 15, no. 3, article 031011, pp. 1–7 (Sep. 2021)

  25. 14

    K. Nambara, T. Yamazaki, C. Oka, S. Hata, and J. Sakurai*,

    “Fabrication and Evaluation of Actuators for Reaction Force Variable Passive-type Tactile Displays,”

    IEEJ Transactions on Sensors and Micromachines, vol. 141, no. 9, pp. 304–309 (Sep. 2021)

  26. 13

    T. Yamazaki*, T. Tomita, K. Uji, H. Kuwata, K. Sano, C. Oka, J. Sakurai, and S. Hata,

    “Combinatorial synthesis of nanocrystalline FeSiBPCuC–Ni–(Nb,Mo) soft magnetic alloys with high corrosion resistance,”

    Journal of Non-Crystalline Solids, vol. 563, article 120808, pp. 1–8 (Jul. 2021)

  27. 12

    R. Morisaki, T. Yamazaki, C. Oka, J. Sakurai, T. Hirai, T. Takahashi, H. Tsuji, N. Ohno, and S. Hata*,

    “Particle-in-cell-Monte Carlo collision simulation and experimental measurement of Ar plasma in a fast atom beam source for surface-activated bonding,”

    Japanese Journal of Applied Physics, vol. 60, no. SC, article SCCB01, pp. 1–6 (Mar. 2021)

  28. 11

    T. Yamazaki*, K. Katabira, F. Narita, Y. Furuya, and W. Nakao,

    “Microstructure-enhanced inverse magnetostrictive effect in Fe-Co alloy wires,”

    Advanced Engineering Materials, vol. 22, no. 10, article 2000026, pp. 1–9 (Oct. 2020)

  29. 10

    R. Morisaki*, Y. Hirai, C. Oka, M. Mizoshiri, T. Yamazaki, J. Sakurai, T. Hirai, T. Takahashi, H. Tsuji, and S. Hata,

    “Development of a Fast Atom Beam Gun for Surface-Activated Bonding,”

    Precision Engineering, vol. 62, pp. 106–112 (Mar. 2020)

  30. 09

    K. Katabira, N. Kimura, T. Yamazaki, and F. Narita*,

    “Evaluation of the inverse magnetostrictive effect in heat-treated Fe-Co wire/polymer composites,”

    Material Design and Processing Communication, vol. 1, no. 5, article e81, pp. 1–8 (May 2019)

  31. 08

    T. Yamazaki*, Y. Furuya, and W. Nakao,

    “Experimental evaluation of domain wall dynamics by Barkhausen noise analysis in Fe30Co70 magnetostrictive alloy wire,”

    Journal of Magnetism and Magnetic Materials, vol. 475, pp. 240–248 (Apr. 2019)

  32. 07

    D. Shigeoka, T. Yamazaki, T. Ishikawa, K. Miike, K. Fujiwara, T. Ide, A. Oshima, T. Hashimoto, D. Aihara, K. Kanda, A. Usui, Y. Hosokai, H. Saito, and Y. Ichiyanagi*,

    “Functionalization and Magnetic Relaxation of Ferrite Nanoparticles for Theranostics,”

    IEEE Transactions on Magnetics, vol. 54, no. 11, pp. 1–7 (Jul. 2018)

  33. 06

    T. Yamazaki*, S. Morimoto, K. Hyodo, T. Ishikawa, and Y. Ichiyanagi,

    “Effect of cobalt-doping on the magnetic properties and crystal structure of delafossite AgFeO2 nanoparticles,”

    Journal of Alloys and Compounds, vol. 745, pp. 631–636 (May 2018)

  34. 05

    T. Yamazaki*, T. Yamamoto, Y. Furuya, and W. Nakao,

    “Magnetic and magnetostrictive properties in heat-treated Fe-Co wire for smart material/device,”

    Mechanical Engineering Journal, vol. 5, no. 2, article 17-00569, pp. 1–9 (Apr. 2018)

  35. 04

    S. Morimoto, T. Ishikawa, K. Hyodo, T. Yamazaki, S. Taira, K. Tsuneyama, and Y. Ichiyanagi,

    “Preparation and characterization of newly developed matrix using functional γ-Fe2O3 nanoparticles for mass spectrometry in small molecules,”

    Surface and Interface Analysis, vol. 48, no. 11, pp. 1127–1131 (Nov. 2016)

  36. 03

    K. Mori, M. Hachisu, K. Hyodo, S. Morimoto, T. Yamazaki, and Y. Ichiyanagi,

    “Characterization of local structure and heat dissipation of iron oxide nanoparticles for magnetic hyperthermia treatment,”

    Transactions of the Materials Research Society of Japan, vol. 41, no. 1, pp. 25–28 (Mar. 2016)

  37. 02

    T. Kondo, K. Mori, M. Hachisu, T. Yamazaki, D. Okamoto, M. Watanabe, K. Gonda, H. Tada, Y. Hamada, M. Takano, N. Ohuchi, and Y. Ichiyanagi,

    “AC Magnetic Susceptibility and Heat Dissipation by Mn1−xZnxFe2O4 Nanoparticles for Hyperthermia Treatment,”

    Journal of Applied Physics, vol. 117, no. 17, article 17D157, pp. 1–4 (May 2015)

  38. 01

    K. Mori, M. Hachisu, T. Yamazaki, and Y. Ichiyanagi,

    “Magnetic properties of CuFe1−xCrxO2 nanoparticles surrounded by amorphous SiO2,”

    Journal of Applied Physics, vol. 117, no. 17, article 17C756, pp. 1–4 (Apr. 2015)

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