1. Hiroaki Mamiya, Balachandran Jeyadevan, Eiji Kita, Reisho Onodera, Tetsushi Taguchi, Nikita Kulesh, Hossein Sepehri Amin. Figures of merit and screening approaches for evaluating heat generation in magnetic nanoparticles for hyperthermia. Materials Today Nano. 35 100869-100869-13. 2026. Open Access
2. Andres Martin-Cid, Babu Madavali, Fuyuki Ando, Nikita Kulesh, Ken-ichi Uchida, Hossein Sepehri-Amin. Effect of Cr substitution for Mn on magnetic and transverse thermoelectric properties of isotropic Mn1-Cr AlGe magnets. Journal of Alloys and Compounds. 1057 186802-186802-8. 2026. Open Access
3. Jun Uzuhashi, Yuichi Mori, Toshiyuki Koyama, Taichi Abe, Yukiko K. Takahashi, Toshiyuki Shima. Grain-boundary engineering of Sm(Fe,Co)12-B thin films via boron absorption. Acta Materialia. 309 122098-122098-13. 2026. Open Access
4. Oscar Custance, Manuel González Lastre, Kyungmin Kim, Estefanía Fernández-Villanueva, Pablo Pou, Masayuki Abe, Hossein Sepehri-Amin, Shigeki Kawai, M. Verónica Ganduglia-Pirovano, Ruben Perez. Near-surface defects break symmetry in water adsorption on CeO2−x(111). Communications Materials. 7 [1] 39-1-39-12. 2026. Open Access
5. Sang J. Park, Keisuke Hirata, Hossein Sepehri-Amin, Fuyuki Ando, Takamasa Hirai, Ken-ichi Uchida. Trans-scale spin Seebeck effect in nanostructured bulk composites based on magnetic insulator. Nature Communications. 17 [1] 6389-1-6389-10. 2026. Open Access
6. Sang J. Park, Ravi Gautam, Abdulkareem Alasli, Takamasa Hirai, Fuyuki Ando, Hosei Nagano, Hossein Sepehri-Amin, Ken-ichi Uchida. High-throughput development of flexible amorphous materials showing large anomalous Nernst effect via automatic annealing and thermoelectric imaging. Materials Today. 92 416-424. 2026. Open Access
7. Sang J. Park, Ravi Gautam, Takashi Yagi, Rajkumar Modak, Hossein Sepehri-Amin, Ken-ichi Uchida. Structural heterogeneity-induced enhancement of transverse magneto-thermoelectric conversion revealed by thermoelectric imaging in functionally graded materials. Science and Technology of Advanced Materials. 27 [1] 2643965-1-2643965-14. 2026. Open Access
8. Jayachandran Babu, Ravi Gautam, Hossein Sepehri-Amin, Takao Mori, Titas Dasgupta, Duraisamy Sivaprahasam. Role of Grain Boundary Features in the Thermal Stability of LASTT-10 Thermoelectric Materials. ACS Applied Materials & Interfaces. 18 [30] 41226-41235. 2026.
9. Kosuke Ishikawa, Emi Kano, Jun Uzuhashi, Kensuke Sumida, Tetsuo Narita, Masahiro Horita, Junya Sahashi, Shun Lu, Jun Suda, Tadakatsu Ohkubo, Tetsu Kachi, Nobuyuki Ikarashi. Electrical activity of Mg clustering at nanoscale defects induced by N ion implantation in GaN. Applied Physics Letters. 128 [25] 252102-1-252102-6. 2026. Open Access
10. Rajkumar Modak, Hossein Sepehri‐Amin, Yuya Sakuraba, Weinan Zhou, Ken‐ichi Uchida. Large Anomalous Nernst Conductivity in Pt ₂ CoNi Permanent Magnet Films with High In‐Plane and Out‐Of‐Plane Coercivities. Advanced Functional Materials. 36 [47] e32180-1-e32180-11. 2026. Open Access
11. Atsushi Takahagi, Takamasa Hirai, Jun Uzuhashi, Tadakatsu Ohkubo, Hosei Nagano, Ken-ichi Uchida. Heating-induced irreversible change in temperature modulation induced by the spin Peltier effect in Pt/Y ₃ Fe ₅ O ₁₂ systems. Journal of Physics: Condensed Matter. 38 [19] 195801-195801-7. 2026. Open Access
12. Daisuke Ogawa, Yusuke Matsuoka, Yuta Sasaki, Anton Bolyachkin, Shinji Isogami, Machiko Ode, Taichi Abe, Shinya Kasai, Yukiko K. Takahashi. Interfacial Reactions and Spacer-Dependent Ordering in FePt–C/X–C/FePt–C (X = Ir, Pt, and Ag) Trilayer Nanostructures. ACS Applied Nano Materials. 9 [18] 8049-8059. 2026. Open Access
13. Yoshihiro Irokawa, Mamoru Usami, Jun Uzuhashi, Tadakatsu Ohkubo, Toshihide Nabatame, Yasuo Koide. Investigation of Deep States in GaN Metal-Oxide-Semiconductor Interfaces. ECS Journal of Solid State Science and Technology. 15 [5] 055002-055002-9. 2026. Open Access
14. Jun Uzuhashi, Yoshihiro Irokawa, Toshihide Nabatame, Yasuo Koide, Tadakatsu Ohkubo. Atomic-scale observation of native oxides on c - and m -faced GaN surfaces. AIP Advances. 16 [4] 045004-1-045004-5. 2026. Open Access
15. Tongshuang Huang, Shinji Isogami, Takanori Shirokura, Md. Mahmuldul Hasan, Mikiko Saito, Jun Uzuhashi, Tadakatsu Ohkubo, Shinya Kasai, Shigeki Nakagawa, Yota Takamura. Spin–orbit torque-induced magnetization switching in electrochemically deposited CoPt oriented polycrystalline film. Journal of Applied Physics. 139 [9] 093903-1-093903-9. 2026. Open Access
16. Itsuki Minowa, Simon Moore, Mari Takahashi, Jun Uzuhashi, Tadakatsu Ohkubo, Shinya Maenosono. The effect of Na and Ag doping – alone and in combination – on SnS _{1− x} Se _x nanostructured thermoelectric materials. Sustainable Energy & Fuels. 10 [5] 1303-1312. 2026. Open Access
17. Tatsuya Yamamoto, Tomohiro Ichinose, Jun Uzuhashi, Sumito Tsunegi, Takayuki Nozaki, Tadakatsu Ohkubo, Shingo Tamaru, Kay Yakushiji, Hitoshi Kubota, Shinji Yuasa. Spinodal Magnetoresistive Memristors. Advanced Functional Materials. 36 [25] e23154-1-e23154-9. 2026. Open Access
18. Takayuki Nozaki, Tomohiro Ichinose, Tatsuya Yamamoto, Jun Uzuhashi, Tomohiro Nozaki, Hiroyasu Nakayama, Atsushi Sugihara, Makoto Konoto, Kay Yakushiji, Tadakatsu Ohkubo, Shinji Yuasa. Material strategies for energy-efficient voltage-controlled magnetic tunnel junctions. Journal of Physics D: Applied Physics. 59 [7] 073002-073002-19. 2026. Open Access
19. Xin Tang, Yoshio Miura, Noriki Terada, Enda Xiao, Shintaro Kobayashi, Allan Döring, Terumasa Tadano, Andres Martin‐Cid, Takuo Ohkochi, Shogo Kawaguchi, Yoshitaka Matsushita, Tadakatsu Ohkubo, Tetsuya Nakamura, Konstantin Skokov, Oliver Gutfleisch, Kazuhiro Hono, Hossein Sepehri‐Amin. Control of Covalent Bond Enables Efficient Magnetic Cooling. Advanced Materials. 38 [7] e14295-1-e14295-12. 2026. Open Access
20. Yuta Kobayashi, Arata Mitsuzuka, Haruo Kondo, Makoto Shoshin, Jun Uzuhashi, Tadakatsu Ohkubo, Masamitsu Hayashi, Masashi Kawaguchi. Light-Programmable Reorientation of the Crystallographic c Axis of Tellurium Thin Films. Nano Letters. 26 [1] 104-110. 2026. Open Access

2025

1. Z.H. Kautsar, H. Sepehri-Amin, Xin Tang, N. Kulesh, T.T. Sasaki, T. Ohkubo, K. Hono. Heavy rare earth-free high resistivity and coercivity Nd-Fe-B hot-deformed magnet developed by Pr-Cu diffusion and CaF2-LiF eutectic addition. Journal of Alloys and Compounds. 1010 177738-177738-9. 2025. Open Access
2. Yujun Wang, Shunzhen Wang, Masashi Kawaguchi, Jun Uzuhashi, Akhilesh Kumar Patel, Kenji Nawa, Yuya Sakuraba, Tadakatsu Ohkubo, Hiroshi Kohno, Masamitsu Hayashi. Significant electron-magnon scattering in layered ferromagnet Cr2Te3. Communications Physics. 8 [1] 262-1-262-8. 2025. Open Access
3. Ravi Gautam, Shozo Hiramoto, Nikita Kulesh, Hiroaki Mamiya, Satoshi Okamoto, Nobuhisa Ono, Takeshi Ogasawara, Tadakatsu Ohkubo, Hossein Sepehri-Amin. Ultra-low core loss in Fe-enriched soft magnetic ribbons enabled by nanostructure and high-frequency domain engineering. Nature Communications. 16 [1] 8022-1-8022-11. 2025. Open Access
4. A.R. Dilipan, H. Sepehri-Amin, I. Suzuki, Y.K. Takahashi. Achieving high-density L10-FePt granular films on an electrically conductive (Mg,Ti)O underlayer for HAMR media. Scripta Materialia. 268 116885-116885-6. 2025. Open Access
5. Sang J. Park, Rajkumar Modak, Ravi Gautam, Abdulkareem Alasli, Takamasa Hirai, Fuyuki Ando, Hosei Nagano, Hossein Sepehri-Amin, Ken-ichi Uchida. Designing flexible magnetic materials for zero-magnetic-field operation of the anomalous Nernst effect. Acta Materialia. 121422-121422-11. 2025. Open Access
6. Zexuan Wang, A.M. Döring, O. Vasylkiv, Xin Tang, K.P. Skokov, N. Terada, T. Ohkubo, O. Gutfleisch, H. Sepehri-Amin. Enhanced mechanical performance of HoB2-based compounds without sacrificing cryogenic magnetocaloric effects. Acta Materialia. 296 121227-121227-9. 2025. Open Access
7. A.K. Srinithi, A. Bolyachkin, Xin Tang, H. Sepehri-Amin, S. Dieb, A.T. Saito, T. Ohkubo, K. Hono. Data-driven compositional optimization of La(Fe,Si)13-based magnetocaloric compounds for cryogenic applications. Scripta Materialia. 258 116486-116486-6. 2025. Open Access
8. A. Uedono, R. Tanaka, S. Takashima, K. Ueno, M. Edo, K. Shima, S. F. Chichibu, J. Uzuhashi, T. Ohkubo, S. Ishibashi, K. Sierakowski, M. Bockowski. Characterization of Vacancy-Type Defects in Mg- and N-Implanted GaN by Using a Monoenergetic Positron Beam. IEEE Journal of the Electron Devices Society. 13 1252-1257. 2025. Open Access
9. Daisuke Ogawa, Hossein Sepehri-Amin, Yukiko K. Takahashi. Tailoring the microstructure and formation of hexagonal-BN segregants in FePt-based granular films for improved HAMR media. Journal of Alloys and Compounds. 1032 180243-180243-8. 2025. Open Access
10. J.S. Zhang, Xin Tang, T. Ohkubo, K. Hono, H. Sepehri-Amin. Mechanism of continuous intergranular phase formation in Sm(Fe,Ti,V)12-based sintered magnets by post-sinter annealing. Acta Materialia. 294 121160-121160-11. 2025. Open Access
11. Koichi Oyanagi, Hossein Sepehri-Amin, Kenta Takamori, Terumasa Tadano, Takumi Imamura, Ren Nagasawa, Krishnan Mahalingam, Takamasa Hirai, Fuyuki Ando, Yuya Sakuraba, Satoru Kobayashi, Ken-ichi Uchida. Simultaneous achievement of large anomalous Nernst effect and reduced thermal conductivity in sintered polycrystalline topological Heusler ferromagnets. Acta Materialia. 296 121239-121239-8. 2025. Open Access
12. Rombang Rizky Sihombing, Thomas Scheike, Jun Uzuhashi, Hideyuki Yasufuku, Tadakatsu Ohkubo, Zhenchao Wen, Seiji Mitani, Hiroaki Sukegawa. High entropy oxide epitaxial films with interface perpendicular magnetic anisotropy and tunnel magnetoresistance effect toward spintronic applications. Materials Today. 88 12-23. 2025. Open Access
13. Takanobu Hiroto, Hossein Sepehri-Amin, Naoki Uemura, Naoya Miyauchi, Wataru Hayami, Tadakatsu Ohkubo, Tadashi Ogitsu, Kohei Soga, Kaoru Kimura. Lattice expansion due to hydrogen absorption into β-rhombohedral boron. Solid State Sciences. 163 107907-107907-6. 2025. Open Access
14. A.R. Dilipan, H. Sepehri-Amin, R. Modak, V.K. Kushwaha, Y. Sakuraba, K. Uchida, K. Hono, Y.K. Takahashi. Combinatorial sputtering synthesis of TbCu7-type Sm-Fe based compounds: A study on phase, composition, and extrinsic magnetic properties. Journal of Alloys and Compounds. 1010 177723-177723-8. 2025. Open Access
15. Hirokazu Sasaki, Syunta Akiya, Kuniteru Mihara, Yojiro Oba, Masato Onuma, Jun Uzuhashi, Tadakatsu Ohkubo. Characterization of δNi₂Si Precipitates in Cu-Ni-Si Alloy by Small-Angle X-ray Scattering, Small-Angle Neutron Scattering, and Atom Probe Tomography. MATERIALS TRANSACTIONS. 66 [1] 44-49. 2025. Open Access
16. P. Tozman, G. Hrkac, C.E. Patrick, J.B. Staunton, T. Saito, T. Sasaki, T. Ohkubo, H. Sepehri-Amin. Effect of Co on twin formation and magnetic properties of Sm(Fe,Ti,V)12 alloys. Scripta Materialia. 258 116491-116491-6. 2025. Open Access
17. Yusuke Kozuka, Shunsuke Tsuda, Thang Dinh Phan, Koichiro Yaji, Jun Uzuhashi, Tadakatsu Ohkubo, Takanobu Hiroto, Takayuki Makino, Joseph Falson, Atsushi Tsukazaki, Masashi Kawasaki. Structural, optical, and electronic properties of Mg Zn1-O (0 ≤ x ≤ 0.38) films pseudomorphically grown on Zn-polar ZnO substrates. Materials Today Quantum. 6 100036-100036-7. 2025. Open Access
18. Sotaro Nishioka, Hossein Sepehri-Amin, Akiko T․ Saito. Numerical simulation of active magnetic regenerative refrigeration using Gyroid structured regenerator at room temperature. International Journal of Refrigeration. 170 468-476. 2025. Open Access
19. Shuai Tang, Jie Tang, Yimeng Wu, You-Hu Chen, Jun Uzuhashi, Tadakatsu Ohkubo, Masaki Takeguchi, Lu-Chang Qin. Stable and high current emission of electrons from a HfC nanoneedle field-emitter fabricated by focused ion beam. Vacuum. 238 114224-114224-5. 2025. Open Access
20. Babu Madavali, Fuyuki Ando, Takamasa Hirai, Andres Martin-Cid, Ken-ichi Uchida, Hossein Sepehri-Amin. Systematic investigation on transverse thermoelectric conversion of RE ₂ (Fe,Co) ₁₄ B (RE = rare-earth) compounds. Science and Technology of Advanced Materials. 26 [1] 2520162-1-2520162-13. 2025. Open Access
21. Mitali Madhusmita Prusty, Sri Harsha Molleti, Hiroto Takanobu, Sai Rama Krishna Malladi, Xin Tang, Hossein Sepehri-Amin. Reduced hysteresis in La _0.7 Ce _0.3 Fe _11.5 Si _1.5 hydrides by grain size reduction. Science and Technology of Advanced Materials. 26 [1] 2525742-1-2525742-15. 2025. Open Access
22. Emi Kano, Jun Nara, Koki Takenaka, Toshiki Yasuno, Keisuke Atsumi, Shuhong Li, Tomonori Nishimura, Kaito Kanahashi, Jun Uzuhashi, Kosuke Nagashio, Yoshiki Sakuma, Nobuyuki Ikarashi. Direct observation of atomic configuration of a highly oriented MoS2 film/α-Al2O3 (0001) using atomic resolution electron microscopy. Applied Physics Letters. 127 [25] 252102-1-252102-6. 2025. Open Access
23. Abdullatif Durgun, Dominik Ohmer, Matthias Katter, Andreas Thul, Simon Steentjes, Hossein Sepehri Amin, Oliver Gutfleisch, Imants Dirba. Toward Maximum Utilization of Heavy Rare Earths in Sintered Nd–Fe–B Magnets by Grain Boundary Diffusion Source and Application Area Optimization. Advanced Engineering Materials. 27 [22] 2501145-1-2501145-10. 2025. Open Access
24. Hiroaki Mamiya, Noriki Terada, Kosuke Hiroi, Takenao Shinohara, Hossein Sepehri-Amin. Role of neutron Bragg-edge spectroscopy in development of practical magnetic materials. Journal of Applied Physics. 138 [14] 143904-1-143904-10. 2025. Open Access
25. Takamasa Hirai, Toshiaki Morita, Subrata Biswas, Jun Uzuhashi, Takashi Yagi, Yuichiro Yamashita, Varun Kumar Kushwaha, Fuya Makino, Rajkumar Modak, Yuya Sakuraba, Tadakatsu Ohkubo, Rulei Guo, Bin Xu, Junichiro Shiomi, Daichi Chiba, Ken‐ichi Uchida. Non‐Equilibrium Magnon Engineering Enabling Significant Thermal Transport Modulation. Advanced Functional Materials. 35 [40] 2506554-1-2506554-8. 2025. Open Access
26. Jun Uzuhashi, Yuanzhao Yao, Tadakatsu Ohkubo, Takashi Sekiguchi. Experimental investigation and simulation of SEM image intensity behaviors for developing thickness-controlled S/TEM lamella preparation via FIB-SEM. Microscopy. 74 [4] 279-285. 2025. Open Access
27. Yebin Lee, Fuyuki Ando, Takamasa Hirai, Rajkumar Modak, Hossein Sepehri‐Amin, Ken‐ichi Uchida. Zero‐Field Hybridization of Anomalous Nernst and Off‐diagonal Seebeck Effects in Artificially Tilted Multilayers. Annalen der Physik. 537 [8] e00127-1-e00127-9. 2025. Open Access
28. Jun Uzuhashi, Yoshihiro Irokawa, Toshihide Nabatame, Tadakatsu Ohkubo, Yasuo Koide. Observation of Atomic-Scale Structural Changes in Al₂O₃/GaN Interfacial Layers Prepared with a Dummy-SiO₂ Process. ECS Journal of Solid State Science and Technology. 14 [8] 085001-085001-4. 2025. Open Access
29. Simon Rosenqvist Larsen, Noriki Terada, Xin Tang, Hiroaki Mamiya, Yusuke Nambu, Daisuke Okuyama, Hossein Sepehri-Amin. Magnetic correlations and crystal structure changes in Fe- and Ni-substituted ${\mathrm{ErCo}}_2$ with reversible giant magnetocaloric effect. Physical Review B. 112 [1] 014443-1-014443-13. 2025. Open Access
30. Zulfa Hilmi Kautsar, Babu Madavali, Takamasa Hirai, Ken-ichi Uchida, Hossein Sepehri-Amin. Impact of intergranular phase variations on the anomalous Nernst effect in Nd-Fe-B permanent magnets. Energy Materials. 5 [10] 500129-1-500129-14. 2025. Open Access
31. Daisuke Ogawa, Yuma Iwasaki, Jun Uzuhashi, Yuta Sasaki, Masato Kotsugi, Yukiko K. Takahashi. Er-driven magnetic tunability in FePt thin films investigated via high-throughput experiments and microstructure analysis for future HAMR media. Applied Physics Letters. 126 [25] 252405-1-252405-8. 2025. Open Access
32. Fuyuki Ando, Takamasa Hirai, Abdulkareem Alasli, Hossein Sepehri-Amin, Yutaka Iwasaki, Hosei Nagano, Ken-ichi Uchida. Multifunctional composite magnet realizing record-high transverse thermoelectric generation. Energy & Environmental Science. 18 [9] 4068-4079. 2025. Open Access
33. Hayato Nakayama, Taisuke Horaguchi, Jun Uzuhashi, Cong He, Hiroaki Sukegawa, Tadakatsu Ohkubo, Seiji Mitani, Kazuto Yamanoi, Yukio Nozaki. Reversal of Spin‐Torque Polarity with Inverting Current Vorticity in Composition‐Graded Layer at the Ti/W Interface. Advanced Electronic Materials. 11 [7] 2400797-1-2400797-9. 2025. Open Access
34. Hiroki Koizumi, Zhenchao Wen, Jun Uzuhashi, Tadakatsu Ohkubo, Hiroaki Sukegawa, Seiji Mitani. Interface perpendicular magnetic anisotropy in heterostructures consisting of CoFeB and conductive rock-salt Li–Ti–O. Journal of Physics D: Applied Physics. 58 [16] 16LT01-16LT01-5. 2025. Open Access
35. Hiroaki Mamiya, Noriki Terada, Simon Rosenqvist Larsen, Naohito Tsujii, Kosuke Hiroi, Takenao Shinohara, Hossein Sepehri-Amin. Evaluation of ${\mathrm{Ho}}_{100\text{−}x\text{−}y}{\mathrm{Er}}_x{\mathrm{Ce}}_y$ magnetic refrigerants using advanced multisample neutron transmission spectroscopy. Physical Review Research. 7 [1] 013233-1-013233-13. 2025. Open Access
36. Dmytro Demirskyi, Hossein Sepehri‐Amin, Oleg O. Vasylkiv. High‐temperature deformation and consolidation of polycrystalline α‐SiC by spark plasma sintering. International Journal of Applied Ceramic Technology. 22 [2] e14967-1-e14967-14. 2025. Open Access
37. Poonam Rani, Takumi Murakami, Yuto Watanabe, Hossein Sepehri-Amin, Hiroto Arima, Aichi Yamashita, Yoshikazu Mizuguchi. Nonvolatile magneto-thermal switching driven by vortex trapping in commercial In-Sn solder. Applied Physics Express. 18 [3] 033001-033001-6. 2025. Open Access
38. Junyeon Kim, Takayuki Nozaki, Jun Uzuhashi, Shingo Tamaru, Tomohiro Ichinose, Takao Ochiai, Tatsuya Yamamoto, Tadakatsu Ohkubo, Kay Yakushiji, Shinji Yuasa. Impact of GdOx insertion on magnetic anisotropy and damping in double-barrier magnetic stacks. APL Materials. 13 [3] 031102-1-031102-9. 2025. Open Access
39. Jun Uzuhashi, Tadakatsu Ohkubo, Kazuhiro Hono. An Automated Site-Specific Tip Preparation Method for Atom Probe Tomography Using Script-Controlled Focused Ion Beam/Scanning Electron Microscopy. Microscopy and Microanalysis. 30 [6] 1124-1129. 2025. Open Access
40. Shozo Hiramoto, Satoshi Okamoto, Jun Uzuhashi, Tadakatsu Ohkubo, Akihiko Toda, Sangwook Kim, Chikako Moriyoshi, Yoshihiro Kuroiwa. Multiprobe analyses on nucleation and evolution of nanocrystallization process in a high saturation magnetization soft magnetic Fe–Si–B–P–Cu–C alloy. Journal of Materials Science. 60 [8] 3988-3998. 2025. Open Access
41. Rombang Rizky Sihombing, Thomas Scheike, Jun Uzuhashi, Tadakatsu Ohkubo, Zhenchao Wen, Seiji Mitani, Hiroaki Sukegawa. Enhanced tunnel magnetoresistance of Fe/MgGa2O4/Fe(001) magnetic tunnel junctions by interface-tuning with atomic-scale MgO insertion layers. Applied Physics Letters. 126 [2] 022407-1-022407-7. 2025. Open Access

2024

1. Anton Bolyachkin, Ekaterina Dengina, Nikita Kulesh, Xin Tang, Hossein Sepehri-Amin, Tadakatsu Ohkubo, Kazuhiro Hono. Tomography-based digital twin of Nd-Fe-B permanent magnets. npj Computational Materials. 10 [1] 34-1-34-9. 2024. Open Access
2. Z. Wang, E. Dengina, Anna Kosogor, T. Hiroto, Xin Tang, N. Kulesh, A. Bolyachkin, T. Ohkubo, H. Sepehri-Amin. Insights into reduction of hysteresis in (Mn, Fe)2(P, Si) compounds by experimental approach and Landau theory. Materialia. 37 102195-102200-11. 2024. Open Access
3. A.R. Dilipan, D. Ogawa, H. Sepehri-Amin, P. Tozman, T. Hiroto, K. Hono, Y.K. Takahashi. Excellent intrinsic magnetic properties in the TbCu7-type Sm-Fe-N compound. Acta Materialia. 274 119996-119996-10. 2024. Open Access
4. Takamasa Hirai, Fuyuki Ando, Hossein Sepehri-Amin, Ken-ichi Uchida. Hybridizing anomalous Nernst effect in artificially tilted multilayer based on magnetic topological material. Nature Communications. 15 [1] 9643-(1)-9643-(10). 2024. Open Access
5. Jun Uzuhashi, Tadakatsu Ohkubo. Systematic study of FIB-induced damage for the high-quality TEM sample preparation. Ultramicroscopy. 262 113980. 2024. Open Access
6. H. Sepehri-Amin, N. Kulesh, Y. Mori, T. Ohkubo, K. Hono. Microstructure and coercivity of Al-diffused Sm(Fe,Co,B)12 film. Scripta Materialia. 242 115955-115955-6. 2024. Open Access
7. Kentaro Emori, Seika Oto, Yohei Igami, Jun Uzuhashi, Tadakatsu Ohkubo, Hiroshi Kitawaki, Akira Miyake. Nano-inclusions Associated with Beryllium in Untreated Blue Sapphires from Diego Suarez, Madagascar. The Journal of Gemmology. 39 [4] 364-372. 2024. Open Access
8. A.K. Srinithi, Xin Tang, H. Sepehri-Amin, T. Ohkubo, K. Hono. (Nd,Sm,La)-Fe-B-based hot-deformed magnets with excellent comprehensive properties for variable flux permanent magnet motors. Acta Materialia. 281 120387-120387-8. 2024. Open Access
9. KULESH Nikita, BOLYACHKIN Anton, DENGINA Ekaterina, TANG Xin, OHKUBO Tadakatsu, KAJIWARA T., SEPEHRI AMIN Hossein, HONO Kazuhiro. Coercivity limits in Nd-Fe-B hot-deformed magnets with ultrafine microstructure. Acta Materialia. 276 120159-120159. 2024. Open Access
10. Hiroto Arima, Hossein Sepehri-Amin, Fuyuki Ando, Ken-ichi Uchida. Observation of nonvolatile magneto-thermal switching in superconductors. Communications Materials. 5 [1] 34. 2024. Open Access
11. Anton Bolyachkin, Ekaterina Dengina, Hossein Sepehri-Amin, Tadakatsu Ohkubo, Kazuhiro Hono. Micromagnetic simulations of Nd-Fe-B hot-deformed magnets subjected to eutectic grain boundary diffusion process. Scripta Materialia. 247 116095-116095-6. 2024. Open Access
12. Ravi Gautam, Takamasa Hirai, Abdulkareem Alasli, Tadakatsu Ohkubo, Ken-ichi Uchida, Hossein Sepehri-Amin. Creation of flexible spin-caloritronic material with giant transverse thermoelectric conversion by nanostructure engineering. Nature Communications. 15 [1] 2184-1-2184-9. 2024. Open Access
13. P. Tozman, S. Isogami, I. Suzuki, A. Bolyachkin, H. Sepehri-Amin, S.J. Greaves, H. Suto, Y. Sasaki, K. Hono, Y.K. Takahashi. Dual-layer FePt-C granular media for multi-level heat-assisted magnetic recording. Acta Materialia. 271 119869-119869-8. 2024. Open Access
14. SEPEHRI AMIN Hossein, BOLYACHKIN Anton, TANG Xin. High coercivity permanent magnets without reliance on scarce elements. 応用物理. 93 [8] 466-471. 2024. Open Access
15. Jhantu Pradhan, M. S. Devapriya, Rohiteswar Mondal, Jun Uzuhashi, Tadakatsu Ohkubo, Shinya Kasai, Chandrasekhar Murapaka, Arabinda Haldar. Ultra-low Gilbert damping and self-induced inverse spin Hall effect in GdFeCo thin films. Journal of Applied Physics. 136 [20] 203903-1-203903-8. 2024. Open Access
16. Daisuke Ogawa, Anton Bolyachkin, Angayarkanni R. Dilipan, Nikita Kulesh, Hossein Sepehri-Amin, Yukiko K. Takahashi. Exchange-coupled $\mathrm{Fe}$-$\mathrm{Pt}$/$\mathrm{Ru}$/$\mathrm{Fe}$-$\mathrm{Pt}$ nanogranular films as potential heat-assisted-magnetic-recording media with reduced writing temperature. Physical Review Applied. 22 [5] 054060-1-054060-10. 2024. Open Access
17. Yuki Iida, Qingyi Xiang, Thomas Scheike, Zhenchao Wen, Jun Okabayashi, Jun Uzuhashi, Tadakatsu Ohkubo, Kazuhiro Hono, Hiroaki Sukegawa, Seiji Mitani. Large perpendicular magnetic anisotropy at Fe/rock-salt-type Cr-oxide interface synthesized via oxygen-driven chemical layer exchange process. APL Materials. 12 [11] 111116-1-111116-9. 2024. Open Access
18. Simon Moore, Takahiro Baba, Jun Uzuhashi, Takao Mori, Tadakatsu Ohkubo. Mechanistic Insight into the Effect of Cu Doping on Thermoelectric Properties of Sintered Wet-Chemically Synthesized SnSe₂ Nanosheets. ACS Applied Energy Materials. 7 [17] 7467-7477. 2024. Open Access
19. Emi Kano, Jun Uzuhashi, Tadakatsu Ohkubo. Impact of Sequential N Ion Implantation on Extended Defects and Mg Distribution in Mg Ion‐Implanted GaN. physica status solidi (RRL) – Rapid Research Letters. 18 [9] 2400074-1-2400074-6. 2024. Open Access
20. Jun Uzuhashi, Jun Chen, Ryo Tanaka, Tadakatsu Ohkubo. Effect of sequential N ion implantation in the formation of a shallow Mg-implanted p-type GaN layer. Journal of Applied Physics. 136 [5] 055702-1-055702-7. 2024. Open Access
21. Akira Uedono, Jun Uzuhashi, Tadakatsu Ohkubo. Vacancy-Type Defects and Oxygen Incorporation in NiAl for Advanced Interconnects Probed by Monoenergetic Positron Beams and Atom Probe Tomography. ACS Applied Electronic Materials. 5894-5902. 2024. Open Access
22. Yutaro Takeuchi, Hossein Sepehri-Amin, Satoshi Sugimoto, Takanobu Hiroto, Shinya Kasai. Magnetic and magneto-transport properties of non-collinear antiferromagnetic Mn3Ge epitaxial films. APL Materials. 12 [7] 071110-1-071110-7. 2024. Open Access
23. Talluri Manoj, Zhenchao Wen, Jun Uzuhashi, Tadakatsu Ohkubo, Hiroaki Sukegawa, Chandrasekhar Murapaka, Brian York, Seiji Mitani. Spin–Orbit Torque Modulated by Interface Chemistry in Topological BiSb/NiFe Bilayers with Titanium Insertion. ACS Applied Electronic Materials. 6 [6] 4269-4276. 2024. Open Access
24. Keiji Kobayashi, Jun Uzuhashi, Tadakatsu Ohkubo. Electronic and Thermal Transport Properties of Nanostructured Thermoelectric Materials Sintered from Chemically Synthesized Tin Sulfide Nanoparticles and Effects of Ag and Se Doping. ACS Applied Energy Materials. 7 [10] 4484-4493. 2024. Open Access
25. Akira Uedono, Jun Uzuhashi, Tadakatsu Ohkubo. Vacancy‐Type Defects and Their Trapping/Detrapping of Charge Carriers in Ion‐Implanted GaN Studied by Positron Annihilation. physica status solidi (b). 261 [5] 202400060. 2024. Open Access
26. Tatsuya Yamamoto, Jun Uzuhashi, Tadakatsu Ohkubo. Magneto-transport properties in perpendicularly magnetized magnetic tunnel junctions using an Mg40Fe10O50 tunnel barrier. Acta Materialia. 267 119749. 2024. Open Access
27. Yudai Yamaguchi, Jun Uzuhashi, Tadakatsu Ohkubo, Kazuhiro Hono. Atomic-Scale Multimodal Characterization of Self-Assembled InAs/InGaAlAs Quantum Dots. The Journal of Physical Chemistry Letters. 3772-3778. 2024. Open Access
28. Hideyo Tsurusawa, Jun Uzuhashi, Yusuke Kozuka, Koji Kimoto, Tadakatsu Ohkubo. Robust Preparation of Sub‐20‐nm‐Thin Lamellae for Aberration‐Corrected Electron Microscopy. Small Methods. 2301425-1-2301425-10. 2024. Open Access
29. Hirotoshi Maezawa, Chihiro Tabata, Yuji Takata, Jun Uzuhashi, Tadakatsu Ohkubo, Tadaharu Yokokawa, Hiroshi Harada, Kyoko Kawagishi, Shinsuke Suzuki. Improvement of Oxidation Resistance for Ni-Base Single Crystal Superalloy TMS-238 by Suppression of Sb Segregation at Oxide/Substrate Interface Using CaO. Metallurgical and Materials Transactions B. 55 [1] 183-194. 2024. Open Access
30. Ken‐ichi Uchida, Takamasa Hirai, Fuyuki Ando, Hossein Sepehri‐Amin. Hybrid Transverse Magneto‐Thermoelectric Cooling in Artificially Tilted Multilayers. Advanced Energy Materials. 14 [3] 2302375. 2024. Open Access

2023

1. TANG Xin, LI Jiangnan, SEPEHRI AMIN Hossein, BOLYACHKIN Anton, Andres Martin-Cid, OHKUBO Tadakatsu, HONO Kazuhiro. Unveiling the origin of the large coercivity in (Nd, Dy)-Fe-B sintered magnets. NPG Asia Materials. 15 [1] 50. 2023.
2. Hiroaki Mamiya, Yojiro Oba, Ravi Gautam, Hossein Sepehri-Amin, Tadakatsu Ohkubo. Magnetic Structural Analysis of Nanocrystalline Soft Magnets by Small-Angle Neutron Scattering. IEEE Magnetics Letters. 14 1-5. 2023.
3. 佐々木 宏和, 埋橋 淳, 大久保 忠勝. X線・中性子小角散乱法及び3次元アトムプローブ法による Cu-Ni-Si合金中のδNi2Si析出相の解析. 銅と銅合金. 62 [1] 85-89. 2023. Open Access
4. Takayuki Nozaki, Jun Uzuhashi, Tadakatsu Ohkubo. Large voltage-controlled magnetic anisotropy effect in magnetic tunnel junctions prepared by deposition at cryogenic temperatures. APL Materials. 11 [12] 121106. 2023. Open Access
5. I. Suzuki, H. Sepehri-Amin, K. Hono, Y.K. Takahashi. Control of grain density by varying lattice mismatch in FePt-C film for heat assisted magnetic recording. Journal of Alloys and Compounds. 968 172196. 2023.
6. Junyeon Kim, Jun Uzuhashi, Tadakatsu Ohkubo, Seiji Mitani. Oxide layer dependent orbital torque efficiency in ferromagnet/Cu/oxide heterostructures. Physical Review Materials. 7 [11] L111401. 2023. Open Access
7. TOZMAN KARANIKOLAS Pelin, SEPEHRI AMIN Hossein, ABE Taichi, HONO Kazuhiro, TAKAHASHI Yukiko. Exploring secondary phases in the Sm–Fe–V system beneficial for coercivity. Acta Materialia. 258 119197. 2023.
8. A.K. Srinithi, Xin Tang, H. Sepehri-Amin, J. Zhang, T. Ohkubo, K. Hono. High-coercivity SmFe12-based anisotropic sintered magnets by Cu addition. Acta Materialia. 256 119111. 2023. Open Access
9. I. Suzuki, T. Abe, H. Sepehri-Amin, K. Hono, Y.K. Takahashi. Microstructure evolution in FePt-Cr2O3 granular thin films. Journal of Magnetism and Magnetic Materials. 579 170874. 2023.
10. KULESH Nikita, BOLYACHKIN Anton, SUZUKI Ippei, TAKAHASHI Yukiko, SEPEHRI AMIN Hossein, HONO Kazuhiro. Data-driven optimization of FePt heat-assisted magnetic recording media accelerated by deep learning TEM image segmentation. Acta Materialia. 255 119039. 2023. Open Access
11. Ashutosh Kumar, Jun Uzuhashi, Tadakatsu Ohkubo. Acceptor activation of Mg-doped GaN—Effects of N2/O2 vs N2 as ambient gas during annealing. Journal of Applied Physics. 134 [3] 035701. 2023. Open Access
12. Chihiro Tabata, Kyoko Kawagishi, Tadaharu Yokokawa, Jun Uzuhashi, Tadakatsu Ohkubo, Hiroshi Harada, Shinsuke Suzuki. Effect of Ca Addition on the Oxidation Resistance of Ni–Al Alloy. Metallurgical and Materials Transactions A. 54 [5] 1937-1945. 2023. Open Access
13. Jun Uzuhashi, Tadakatsu Ohkubo, Kazuhiro Hono. Development of automated tip preparation for atom probe tomography by using script-controlled FIB-SEM. Ultramicroscopy. 247 113704. 2023. Open Access
14. Z.H. Kautsar, H. Sepehri-Amin, Xin Tang, R. Iguchi, K. Uchida, T. Ohkubo, K. Hono. High-resistivity anisotropic hot-deformed Nd-Fe-B magnets prepared from DyF3 electrophoretic deposited powders. Journal of Alloys and Compounds. 942 168855. 2023. Open Access
15. 高田 裕治, Takuya Sugiyama, 湯山 道也, 埋橋 淳, 大久保 忠勝, Hiroshi Harada, Kyoko Kawagishi. Ni基単結晶超合金TMS-238の耐酸化性とクリープ強度に及ぼす不純物元素Sbの影響. 日本金属学会誌. 87 [3] 88-94. 2023.
16. Tatsuya Yamamoto, Jun Uzuhashi, Tadakatsu Ohkubo. Large Tunneling Magnetoresistance in Perpendicularly Magnetized Magnetic Tunnel Junctions Using ${\mathrm{Co}}_{75}{\mathrm{Mn}}_{25}$/${\mathrm{Mo}/\mathrm{Co}}_{20}{\mathrm{Fe}}_{60}{B}_{20}$ Multilayers. Physical Review Applied. 19 [2] 024020. 2023. Open Access
17. S. Kobayashi, D. Ogawa, X.D. Xu, Y.K. Takahashi, H. Sepehri-Amin, T. Ohkubo, K. Hono, S. Hirosawa. Multimodal analysis of Zr substitution effects on magnetic and crystallographic properties in (Sm1−Zr )(Fe0.8Co0.2)12 compounds with ThMn12 structure. Acta Materialia. 242 118454. 2023. Open Access

1. BOLYACHKIN, Anton, SEPEHRI AMIN, Hossein, HONO, Kazuhiro. Physical Metallurgy of Permanent Magnets. Physical Metallurgy. 2026.

1. Ryo Tanaka, Shinya Takashima, Katsunori Ueno, Masahiro Horita, Jun Suda, Jun Uzuhashi, Tadakatsu Ohkubo, Masaharu Edo. Development of p-type Ion Implantation Technique for Realization of GaN Vertical MOSFETs. 2023 21st International Workshop on Junction Technology (IWJT). 2023. Open Access
2. Akira Uedono, Hideki Sakurai, Jun Uzuhashi, Tetsuo Narita, Kacper Sierakowski, Shoji Ishibashi, Shigefusa F. Chichibu, Michal Bockowski, Jun Suda, Tadakatsu Ohokubo, Nobuyuki Ikarashi, Kazuhiro Hono, Tetsu Kachi, Hadis Morkoç, Hiroshi Fujioka, Ulrich T. Schwarz. Annealing properties of vacancy-type defects in ion implanted GaN during ultra-high-pressure annealing studied by using a monoenergetic positron beam. Gallium Nitride Materials and Devices XVIII. 2023. Open Access

1. Emi Kano, NARA, Jun, Keisuke Atsumi, Shuhong Li, Tomonori Nishimura, Kaito Kanahashi, UZUHASHI, Jun, Kosuke Nagashio, SAKUMA, Yoshiki, Nobuyuki Ikarashi. Atomic resolution analysis of highly oriented MoS2/sapphire interface. 2026 International Conference on Solid State Devices and Materials. 2026.
2. Tatsuya Yamamoto, Tomohiro Ichinose, UZUHASHI, Jun, Sumito Tsunegi, Takayuki Nozaki, OHKUBO, Tadakatsu, Shingo Tamaru, Kay Yakushiji, Hitoshi Kubota, Shinji Yuasa. Memristive magnetic tunnel junctions using a spinodal magnet. 2026年 第87回応用物理学会秋季学術講演会. 2026.
3. 狩野 絵美, 石川 晃輔, 埋橋 淳, 角田 健輔, 成田 哲生, 堀田 昌宏, 佐橋 潤也, Shun Lu, 須田 淳, 大久保 忠勝, 加地 徹, 五十嵐 信行. Nイオン注入起因GaN中Mgクラスターのp型伝導特性への影響. 2026年 第87回応用物理学会秋季学術講演会. 2026.
4. 間野 高明, 大竹 晃浩, キューレッシュ ニキーター, ボリャーチキン アントーン, 門平 卓也, 石田 暢之, 林 侑介, 黒田 隆. 高Al組成メタモルフィックInAlAs/GaAs(111)A上の InAs量子ドットの自己形成. 2026年 第87応用物理学会秋季学術講演会. 2026.
5. 小林 裕太, 三塚 新, 近藤 春央, 正信 誠, 埋橋 淳, 大久保 忠勝, 林 将光, 河口 真志. テルル薄膜におけるレーザー誘起配向制御の機構. 2026年 第87回応用物理学会秋季学術講演会. 2026.
6. Simon Moore, 高橋 麻里, 宮田 全展, 石原 崚伍, 埋橋 淳, 太田 道広, 竹内 恒博, 大久保 忠勝, 東嶺 孝一, 前之園 信也. 高エントロピーペロブスカイト型酸化物ナノ粒子の構造と物性. 2026年 第87回応用物理学会秋季学術講演会. 2026.
7. Simon Moore, 高橋 麻里, 宮田 全展, 石原 崚伍, 埋橋 淳, 太田 道広, 竹内 恒博, 大久保 忠勝, 東嶺 孝一, 前之園 信也. 高エントロピーペロブスカイト酸化物ナノ粒子を用いた環境調和型熱電材料の創製. 第23回日本熱電学会学術講演会. 2026.
8. UZUHASHI, Jun, Yuanzhao Yao, Takashi Sekiguchi, OHKUBO, Tadakatsu. Establishment of thickness-controlled TEM lamella preparation method with minimized FIB-induced damage using FIB-SEM. The 21st International Microscopy Congress 2026 (IMC21). 2026.
9. Zentaro Akase, Taisei Bessho, Yuki Hino, Akito Mie, Kazunori Iwamitsu, Yugant Gotmare, Yoshito Otake, UZUHASHI, Jun, Hiroshi Nakajima, Jun Yamasaki, OHKUBO, Tadakatsu, Shigetaka Tomiya. Development of a Bimodal Analysis Method Integrating 3D Atom Probe Tomography and HAADF-STEM Tomography Using Non-Rigid Registration for Trace Element Distribution Analysis in Semiconductors. The 21st International Microscopy Congress 2026 (IMC21). 2026.
10. Ruben Perez, Manuel González Lastre, Kyungmin Kim, Estefanía Fernández-Villanueva, Pablo Pou, SEPEHRI AMIN, Hossein, Masayuki Abe, KAWAI, Shigeki, M. Verónica Ganduglia-Pirovano,, CUSTANCE, Oscar. Atomic-scale reactivity of the CeO2(100) surface reconstructions by scanning probe microscopy. The 27th International Conference on Non-Contact Atomic Force Microscopy. 2026. Open Access
11. BOLYACHKIN, Anton, KULESH, Nikita, TANG, Xin, SEPEHRI AMIN, Hossein. Revisiting Coercivity Mechanism in Nd-Fe-B Magnets: A Micromagnetic Study of Grain Alignment Effect. 2026 International Symposium on Advanced Magnetic Materials and Applications (ISAMMA 2026). 2026. 招待講演
12. ラーセン サイモン ローゼンクビスト, TERADA, Noriki, MAMIYA, Hiroaki, TANG, Xin, SEPEHRI AMIN, Hossein, D. Okuyama, H. Saito, T. Nakajima. Controlling the Interslab Magnetic Interactions in the Gd5Ge4 Family of Magnetocaloric Compounds. 30th International Cryogenic Engineering Conference/International Cryogenic Materials Conference 2026. 2026.
13. 村松 颯太, 姚 遠昭, 関口 隆史, 埋橋 淳. 楔形試料による反射電子、透過電子の厚み依存性. 第82回日本顕微鏡学会学術講演会. 2026.
14. 佐々木 宏和, 大場 洋次郎, 廣井 孝介, 大沼 正人, 埋橋 淳, 大久保 忠勝. 中性子・X 線小角散乱及び3 次元アトムプローブによるCu-Ni-Si 合金中析出相の解析. 第82回日本顕微鏡学会学術講演会. 2026.
15. 埋橋 淳, 武田なお, 網野岳文, 杉山昌章. FIB加工による導入ダメージ評価法の確立に向けて. 第82回日本顕微鏡学会学術講演会. 2026. 招待講演
16. CHEN, Jun, UZUHASHI, Jun, 菅沼奈央, 田中亮, 高島信也, OHKUBO, Tadakatsu, 関口隆史. Secondary electron imaging of GaN pn structure formed by Mg ion implantation. 日本顕微鏡学会第82回学術講演会. 2026.
17. 日野雄輝, 赤瀬善太郎, 別所泰成, 彌榮陽斗, 岩満一功, 冨谷茂隆, Yugant Gotmare, 大竹義人, 埋橋 淳, 大久保 忠勝, 中島宏, 山﨑順. APTとETを用いた相関顕微解析技術の高度化. 第82回日本顕微鏡学会学術講演会. 2026.
18. PARK Sang Jun, GAUTAM, Ravi, Abdulkareem Alasli, HIRAI, Takamasa, ANDO, Fuyuki, Hosei Nagano, SEPEHRI AMIN, Hossein, UCHIDA, Kenichi. High-Throughput Discovery of Disorder-Engineered Transverse Thermoelectric Materials for Energy Harvesting. MRS Spring Meeting 2026. 2026.
19. Tatsuya Yamamoto, Tomohiro Ichinose, UZUHASHI, Jun, Sumito Tsunegi, Takayuki Nozaki, OHKUBO, Tadakatsu, Singo Tamaru, Kay Yakushiji, Hitoshi Kubota, Shinji Yuasa. Spinodal magnetoresistive memristors. IEEE International Magnetics Conference (INTERMAG 2026). 2026. 招待講演
20. Simon Moore, Mari Takahashi, UZUHASHI, Jun, OHKUBO, Tadakatsu, Koichi Higashimine, Shinya Maenosono. Sustainable thermoelectric materials fabricated using high entropy perovskite oxynitride nanoparticles as building blocks. 日本化学会 第106春季年会 (2026). 2026.
21. 間野 高明, 大竹 晃浩, キューレッシュ ニキーター, ボリャーチキン アントーン, 門平 卓也, 林 侑介, 黒田 隆. 液滴エピタキシー法による(111)A面上の低密度・高対称 InAs量子ドットの自己形成. 第73応用物理学会春季学術講演会. 2026.
22. ANDO, Fuyuki, 安立 裕人, SEPEHRI AMIN, Hossein, HIRAI, Takamasa, 平田 圭佑, UCHIDA, Kenichi. Investigation of the Nernst effect emerging around the Curie temperature. 第73回応用物理学会春季学術講演会. 2026.
23. 赤瀬 善太郎, 別所 泰成, 日野 雄輝, Yugant Gotmare, 大竹 義人, 埋橋 淳, 岩満 一功, 中島 宏, 山﨑 順, 大久保 忠勝, 冨谷 茂隆. 三次元アトムプローブデータとSTEMトモグラフィーデータへの非剛体レジストレーションの初期的適用. 2026年 第73回応用物理学会春季学術講演会. 2026.
24. 小林 裕太, 三塚 新, 近藤 春央, 正信 誠, 埋橋 淳, 大久保 忠勝, 林 将光, 河口 真志. テルル薄膜における結晶c軸の光プログラマブル制御. 2026年 第73回応用物理学会春季学術講演会. 2026.
25. 高橋 有紀子, 田村 亮, 長尾 浩子, キューレッシュ ニキーター, 小川 大介, セペリ アミン ホセイン, 吉川 英樹, 佐々木 悠太, 葛西 伸哉, 松田 翔一. データ駆動によるFePtグラニュラー薄膜の最適化. 金属学会春季(第178回)講演大会. 2026. 招待講演

2025

1. 高橋 有紀子, セペリ アミン ホセイン, 大久保 忠勝. NIMSでの希土類磁石研究. 2025BMシンポジウム「高性能軟磁性材料の開発とパワエレへの応用及び高性能永久磁石材料の開発とモータへの応用」. 2025. 招待講演
2. ラーセン サイモン ローゼンクビスト, TERADA, Noriki, TANG, Xin, MAMIYA, Hiroaki, D. Okuyama, H. Saito, T. Nakajima. Magnetic orderings associated with the giant magnetocaloric effect in Gd5(Ge,Si,Sn)4. 日本中性子科学会 第25回年会. 2025.
3. SEPEHRI AMIN, Hossein. Development of magnetic materials for green energy conversions. RICAM Workshop 4, Magnetic Materials Modeling. 2025. 招待講演 Open Access
4. SEPEHRI AMIN, Hossein. Development of magnetic materials for green energy conversions. The 11th Southeast Asia Collaborative Symposium on Energy Materials (SACSEM 2025) . 2025. 招待講演 Open Access
5. 赤瀬 善太郎, 別所 泰成, 岩満 一功, 大竹 義人, UZUHASHI, Jun, 中島 宏, 山﨑 順, OHKUBO, Tadakatsu, 冨谷 茂隆. Robust Shape Matching for Integration of Multimodal 3D Microscopy Data. Joint Conference HQSN2025 & HQMST2025. 2025.
6. イ イェビン, 安藤 冬希, 平井 孝昌, Rajkumar Modak, セペリ アミン ホセイン, 内田 健一. 人工傾斜型積層体における無磁場下でのハイブリッド横型磁気熱電変換の実証. 第22回日本熱電学会学術講演会（TSJ2025）. 2025.
7. Simon Moore, Mari Takahashi, UZUHASHI, Jun, OHKUBO, Tadakatsu, Koichi Higashimine, Shinya Maenosono. Sustainable Thermoelectric Materials using Multi-alloyed Perovskite Nanoparticles as Building Blocks. 第22回日本熱電学会学術講演会（TSJ2025）. 2025.
8. WEN, ZhenChao, ハ ツォン, UZUHASHI, Jun, OHKUBO, Tadakatsu, 能崎 幸雄, MITANI, Seiji, SUKEGAWA, Hiroaki. Epitaxial Li-Ti-O thin films with conductivity gradient for spin-orbit torques. 第49回日本磁気学会学術講演会. 2025.
9. MAMIYA, Hiroaki, 熊田 高之, 篠原 武尚, GAUTAM, Ravi, SEPEHRI AMIN, Hossein. Deep Magnetic Structural Analyses within Soft Magnetic Materials Using Neutrons. 第49回 日本磁気学会学術講演会. 2025.
10. 伊藤 圭吾, 安藤 冬希, セペリ アミン ホセイン, 坂本 結衣, 平井 孝昌, 渡邊 雄翔, 水口 佳一, 内田 健一. 超伝導Sn/Pb多層複合材料における不揮発性磁気熱スイッチングの微細構造形成による制御. 第86回応用物理学会秋季学術講演会. 2025.
11. 赤瀬 善太郎, 別所 泰成, 大竹 義人, 埋橋 淳, 岩満 一功, 中島 宏, 山﨑 順, 大久保 忠勝, 冨谷 茂隆. 三次元アトムプローブと透過電子顕微鏡法のバイモーダル相関顕微手法の開発. 第86回応用物理学会秋季学術講演会. 2025.
12. MODAK, Rajkumar, SEPEHRI AMIN, Hossein, SAKURABA, Yuya, ZHOU, Weinan, UCHIDA, Kenichi. Large anomalous Nernst conductivity in Pt2CoNi permanent magnet films with high in-plane and out-of-plane coercivities. 第86回応用物理学会秋季学術講演会. 2025.
13. 坂本 結衣, 安藤 冬希, 平井 孝昌, セペリ アミン ホセイン, 伊藤 圭吾, 内田 健一. 超伝導Pb-Fe複合物質における不揮発性磁気熱スイッチングの観測. 第86回応用物理学会秋季学術講演会. 2025.
14. 伊藤 圭吾, 安藤 冬希, セペリ アミン ホセイン, 坂本 結衣, 平井 孝昌, 渡邊 雄翔, 水口 佳一, 内田 健一. 超伝導Sn/Pb多層複合材料における不揮発性磁気熱スイッチングの微細構造形成による制御. 第86回応用物理学会秋季学術講演会. 2025.
15. CUSTANCE, Oscar, Manuel Gonzalez-Lastre, Kyungmin Kim, Estefania. Fernandez-Villanueva, Pablo Pou, Masayuki abe, SEPEHRI AMIN, Hossein, KAWAI, Shigeki, Maria Veronica Ganduglia-Pirovano, Ruben Perez. Identifying Ce3+ Sites at the CeO2 (111) Surface with Water and AFM Imaging. The 26th International Conference on Non-contact Atomic Force Microscopy (NC-AFM 2025). 2025.
16. SEPEHRI AMIN, Hossein, KULESH, Nikita, ZHANG Jiasheng, KAUTSAR, Zulfa Hilmi, BOLYACHKIN, Anton, TANG, Xin, H. Nakamura, OHKUBO, Tadakatsu, HONO, Kazuhiro. Recent advances in the development of high-performance HRE-free and RE-lean permanent magnets. The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025). 2025. 招待講演 Open Access
17. ムニ バースカル シヴァ クマール, SASAKI, Taisuke, Ryogen Fujiwara, SEPEHRI AMIN, Hossein, Mio Ohtsuru, Yoshinori Fujikawa, OHKUBO, Tadakatsu. Novel approach to fabricate Sm-Co micro-magnets and its microstructure. The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025). 2025.
18. BOLYACHKIN, Anton, TANG, Xin, KULESH, Nikita, SEPEHRI AMIN, Hossein. Micromagnetic Simulations of Hot-deformed Nd-Fe-B Magnets Subjected to Eutectic Grain Boundary Diffusion Process. The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025). 2025.
19. KULESH, Nikita, BOLYACHKIN, Anton, TANG, Xin, Nakamura H., OHKUBO, Tadakatsu, SEPEHRI AMIN, Hossein. Deep-learning-assisted micromagnetic model development for Ga-doped Nd-Fe-B magnet. The 28th International Workshop on Rare Earth and Future Permanent Magnets and Their Applications (REPM2025). 2025.
20. LEE, Yebin, ANDO, Fuyuki, HIRAI, Takamasa, Rajkumar Modak, SEPEHRI AMIN, Hossein, UCHIDA, Kenichi. Giant transverse thermoelectric conversion by zero-field hybridization of anomalous Nernst and off-diagonal Seebeck effects. The 41st International and 7th Asian Conference on Thermoelectrics (ICT/ACT 2025). 2025.
21. 佐々木 宏和, 松田 竹善, 埋橋 淳, 大久保 忠勝, 佐々木 祐聖, 山本 和生, 平山 司. 3DAP及び電子線ホログラフィーによる化合物半導体のドーパント・電位分布解析 その3. 日本顕微鏡学会 第81回学術講演会. 2025.
22. 埋橋 淳, 姚 遠昭, 大久保 忠勝, 関口 隆史. FIB-SEMによる膜厚制御TEM試料作製技術の確立. 日本顕微鏡学会 第81回学術講演会. 2025.
23. Akira Uedono, Ryo Tanaka, Shinya Takashima, Katsunori Ueno, Masaharu Edo, Kohei Shima, Shigefusa F. Chichibu, UZUHASHI, Jun, OHKUBO, Tadakatsu, Shoji Ishibashi, Kacper Sierakowski, Michal Bockowski. Characterization of vacancy-type defects in Mg- and N-implanted GaN by using a monoenergetic positron beam. IWJT2025 (International Workshop on Junction Technology). 2025.
24. 松本 一久, 奥村 聡, 埋橋 淳, 大久保 忠勝, 三宅 亮. シリケイトメルト中の微小な組成・構造不均質がマグマ結晶化に与える影響. Japan Geoscience Union Meeting 2025 (JpGU 2025). 2025.
25. SUKEGAWA, Hiroaki, SCHEIKE, Thomas, UZUHASHI, Jun, WEN, ZhenChao, KASAI, Shinya, OHKUBO, Tadakatsu, MITANI, Seiji. Improvement in tunnel magnetoresistance of CoFeB-based magnetic tunnel junctions by MgO barrier interface modification. IcAUMS2025 (International Conference of Asian Union of Magnetics Societies). 2025. 招待講演
26. BOLYACHKIN, Anton, SUBAGJA, Toni, KULESH, Nikita, TANG, Xin, OHKUBO, Tadakatsu, SEPEHRI AMIN, Hossein. The Status of SmFe12-based Alloys: Employing Machine Learning for Optimization. 7th International Conference of Asian Union of Magnetics Societies (IcAUMS 2025). 2025. 招待講演
27. LEE, Yebin, ANDO, Fuyuki, HIRAI, Takamasa, Rajkumar Modak, SEPEHRI AMIN, Hossein, UCHIDA, Kenichi. Zero-field hybridization of anomalous Nernst and off-diagonal Seebeck effects in artificially tilted multilayers. 第72回応用物理学会春季学術講演会. 2025. Open Access
28. 赤瀬 善太郎, 大竹 義人, 埋橋 淳, 岩満 一功, 山﨑 順, 大久保 忠勝, 冨谷 茂隆. 三次元アトムプローブとTEMデータの融合に向けた非剛体レジストレーション手法の開発. 2025年 第72回応用物理学会春季学術講演会. 2025.
29. 埋橋 淳. 3 次元アトムプローブによるナノ組織解析法とその応用例. 総合技術研究会2025筑波大学. 2025.
30. SUKEGAWA, Hiroaki, SCHEIKE, Thomas, UZUHASHI, Jun, WEN, ZhenChao, KASAI, Shinya, OHKUBO, Tadakatsu, MITANI, Seiji. Tunnel magnetoresistance up to 405% at room temperature in exchange-spin-valve CoFeB/MgO/CoFeB junctions by in-situ MgO annealing. 2025 Joint MMM-Intermag (The 16th Joint Conference on Magnetism and Magnetic Materials and Intermag). 2025.
31. TANG, Xin, SEPEHRI AMIN, Hossein, OHKUBO, Tadakatsu, HONO, Kazuhiro. Development of High-Performance Nd-Fe-B Based Magnet: Combating Materials Criticality. The 16th Joint MMM-Intermag Conference (The 16th Joint Conference on Magnetism and Magnetic Materials and Intermag). 2025. 招待講演
32. SIHOMBING, Rombang Rizky, SCHEIKE, Thomas, WEN, ZhenChao, UZUHASHI, Jun, OHKUBO, Tadakatsu, MITANI, Seiji, SUKEGAWA, Hiroaki. Tunnel magnetoresistance enhancement by ultrathin MgO insertions in Fe/MgGa2O4/Fe(001) magnetic tunnel junctions. 2025 Joint MMM-Intermag. 2025.

2024

1. ラーセン サイモン ローゼンクビスト, TERADA, Noriki, MAMIYA, Hiroaki, TANG, Xin, SEPEHRI AMIN, Hossein, Y. Nambu, D. Okuyama. Magnetic structures of transition metal substituted ErCo2. 日本中性子科学会第24回年会 (JSNS2024). 2024.
2. ラーセン サイモン ローゼンクビスト, TERADA, Noriki, MAMIYA, Hiroaki, TANG, Xin, SEPEHRI AMIN, Hossein, Y. Nambu, D. Okuyama. Magnetic structures of transition metal substituted ErCo2. 日本中性子科学会 第24回年会 (JSNS 2024). 2024.
3. 間宮 広明, 寺田 典樹, ラーセン サイモン ローゼンクビスト, 篠原 武尚, セペリ アミン ホセイン. マルチサンプル中性子透過分光法による極低温磁気冷凍材料のハイスループット評価. 日本中性子科学会第24回年会. 2024.
4. Emi Kano, UZUHASHI, Jun, Kosuke Ishikawa, Tetsuo Narita, Kacper Sierakowski, Michal Bockowski, OHKUBO, Tadakatsu, Tetsu Kachi, Nobuyuki Ikarashi. Atomic resolution analyses of Mg distribution and defect formation in Mg+N ion-implanted GaN. 12th International Workshop on Nitride Semiconductors (IWN2024). 2024.
5. UZUHASHI, Jun, CHEN, Jun, Ryo Tanaka, Shinya Takashima, Kacper Sierakowski, Michal Bockowski, Tetsu Kachi, Masaharu Edo, Takashi Sekiguchi, OHKUBO, Tadakatsu. Correlative TEM/APT/CL analyses on the effect of ultra-high-pressure annealing for Mg-implanted p-type GaN. 12th International Workshop on Nitride Semiconductors (IWN2024). 2024.
6. Ryo Tanaka, Shinya Takashima, UZUHASHI, Jun, CHEN, Jun, OHKUBO, Tadakatsu, Takashi Sekiguchi, Masaharu Edo. Realization of p-type high concentration GaN layer by sequential Mg and N ion-implantation. 12th International Workshop on Nitride Semiconductors (IWN2024). 2024.
7. 佐々木 宏和, 大場 洋次郎, 廣井 孝介, 大沼 正人, 埋橋 淳, 大久保 忠勝. X線・中性子小角散乱法及び3次元アトムプローブ法による Cu-Ni-Si合金中の析出相の解析. 日本銅学会第64回講演大会. 2024.
8. SIHOMBING, Rombang Rizky, SCHEIKE, Thomas, WEN, ZhenChao, UZUHASHI, Jun, OHKUBO, Tadakatsu, MITANI, Seiji, SUKEGAWA, Hiroaki. Enhancement of tunnel magnetoresistance by interface modification of MgGa2O4-based magnetic tunnel junctions. 第48回日本磁気学会学術講演会. 2024.
9. 小林 恵士, 高橋 麻里, Moore Simon, 宮田 全展, Sauerschnig Philipp, 埋橋 淳, 太田 道広, 大久保 忠勝, 前之園 信也. Ag 及び Se ドープ SnS ナノ粒子の化学合成とその焼結体の熱電特性評価. 第21回日本熱電学会学術講演会. 2024.
10. SEPEHRI AMIN, Hossein, GAUTAM, Ravi, S. Hiramoto, BOLYACHKIN, Anton, KULESH, Nikita, MAMIYA, Hiroaki, S. Okamoto, OHKUBO, Tadakatsu. Effect of nanostructure on the core loss of soft magnetic materials. The 48th Annual Conference on Magnetics in Japan（第48回日本磁気学会学術講演会）. 2024. 招待講演 Open Access
11. Simon Moore, Mari Takahashi, Sauerschnig Philipp, Keiji Kobayashi, Koichi Higashimine, Masanobu Miyata, 馬場 貴弘, UZUHASHI, Jun, Michihiro Ohta, MORI, Takao, OHKUBO, Tadakatsu, Shinya Maenosono. Mechanistic Insight into the Effect of Cu Doping on Thermoelectric Properties of Sintered Wet-Chemically Synthesised SnSe2 Nanosheets. 第21回日本熱電学会学術講演会. 2024.
12. SIHOMBING, Rombang Rizky, SCHEIKE, Thomas, WEN, ZhenChao, UZUHASHI, Jun, OHKUBO, Tadakatsu, MITANI, Seiji, SUKEGAWA, Hiroaki. Enhanced tunnel magnetoresistance of Fe/MgGa2O4/Fe(001) magnetic tunnel junctions using MgO terminations as a Ga diffusion barrier. 第85回応用物理学会秋季学術講演会. 2024.
13. Keiji Kobayashi, Mari Takahashi, Moore Simon, Masanobu Miyata, Sauerschnig Philipp, UZUHASHI, Jun, Michihiro Ohta, OHKUBO, Tadakatsu, Shinya Maenosono. Electronic and Thermal Transport Properties of Nanostructured Thermoelectric Materials Sintered from Chemically Synthesized Tin Sulfide Nanoparticles and Effects of Ag and Se Doping. The 2024 Fall Meeting of the European Materials Research Society. 2024.
14. 三塚 新, 小林 裕太, 近藤 春央, 河口 真志, 埋橋 淳, 大久保 忠勝, 林 将光. 偏光パルスレーザーによる二次元テルル薄膜の構造制御. 日本物理学会第79回年次大会. 2024.
15. SEPEHRI AMIN, Hossein. High Performance Permanent Magnets; How to solve element criticality while considering new demands?. IEEE Magnetic Frontiers Conference 2024. 2024. 招待講演 Open Access
16. BOLYACHKIN, Anton, SUBAGJA, Toni, LI Jiangnan, ZHANG Jiasheng, ASHOK KRISHNASWAMY, Srinithi, ABE, Taichi, TANG, Xin, TOZMAN KARANIKOLAS Pelin, KULESH, Nikita, SEPEHRI AMIN, Hossein, OHKUBO, Tadakatsu, HONO, Kazuhiro. Machine Learning Assisted Optimization of SmFe12-based Alloys. IEEE Magnetic Frontiers 2024. 2024. Open Access
17. HIROTO, Takanobu, SEPEHRI AMIN, Hossein, 上村 直樹, HAYAMI, Wataru, OHKUBO, Tadakatsu, 荻津 格, 曽我 公平, 木村 薫. LATTICE EXPANSITON DUE TO HYDROGEN ABSORPTION INTO THE RHOMBOHEDRAL BORON. 22nd INTERNATIONAL SYMPOSIUM ON BORON, BORIDES AND RELATED MATERIALS (ISBB2024). 2024.
18. TANG, Xin, WANG Zexuan, BOLYACHKIN, Anton, SEPEHRI AMIN, Hossein, OHKUBO, Tadakatsu, HONO, Kazuhiro. Magnetocaloric materials for cryogenic application. 10th IIR Conference on Caloric Cooling and Applications of Caloric Materials (THERMAG 2024). 2024. 招待講演 Open Access
19. BOLYACHKIN, Anton, DENGINA Ekaterina, SEPEHRI AMIN, Hossein, OHKUBO, Tadakatsu, HONO, Kazuhiro. Coercivity Engineering in Nd-Fe-B Hot-deformed Magnets by Grain Boundary Infiltration: Micromagnetic Viewpoint. The 5th International Symposium on Advanced Magnetic Materials and Applications (ISAMMA2024). 2024. Open Access
20. SEPEHRI AMIN, Hossein. Design and development of permanent magnets; how to solve rare-earth criticality while considering new demands?. The 5th International Symposium on Advanced Magnetic Materials and Applications (ISAMMA 2024). 2024. 招待講演 Open Access
21. Naochika Kon, UZUHASHI, Jun, OHKUBO, Tadakatsu. Microstructural Investigation of Porous Plating Copper by Atom Probe Tomography. Microscopy & Microanalysis 2024. 2024.
22. タルリ マノイ, WEN, ZhenChao, UZUHASHI, Jun, OHKUBO, Tadakatsu, SUKEGAWA, Hiroaki, ムラパカ チャンドラセカール, Brian York, Xiaoyong Liu, Quang Le, MITANI, Seiji. Spin-orbit torque driven by interfacial chemistry in topological BiSb/NiFe bilayers with Ti insertion. 25th International Colloquium on Magnetic Films and Surfaces (ICMFS2024). 2024. Open Access
23. Tatsuya Yamamoto, UZUHASHI, Jun, OHKUBO, Tadakatsu. Enhanced annealing stability in perpendicularly magnetized magnetic tunnel junctions using an Fe-substituted MgO barrier. 25th International Colloquium on Magnetic Films and Surfaces (ICMFS2024). 2024.
24. 金澤 朋希, SCHEIKE, Thomas, UZUHASHI, Jun, OHKUBO, Tadakatsu, SUKEGAWA, Hiroaki, MITANI, Seiji, Hideto Yanagihara. Epitaxial L10-CrPt(001) templating layers for L10-FePt-based perpendicular magnetic tunnel junctions. 25th International Colloquium on Magnetic Films and Surfaces (ICMFS2024) . 2024.
25. GAUTAM, Ravi, HIRAI, Takamasa, Alasli Abdulkareem, Hosei Nagano, OHKUBO, Tadakatsu, UCHIDA, Kenichi, SEPEHRI AMIN, Hossein. Large transverse thermoelectric conversion by nanostructure-engineered spin-caloritronic amorphous alloy. International Conference on Magnetism 2024. 2024. Open Access
26. MADAVALI, Babu, ANDO, Fuyuki, UCHIDA, Kenichi, SEPEHRI AMIN, Hossein. Systematic investigation of transverse thermoelectric properties in rare earth permanent magnets. International Conference on thermoelectrics. 2024.
27. HIRAI, Takamasa, 森田 利明, ビスワス スブラト, UZUHASHI, Jun, クシュワハ ヴァルン クマール, MAKINO, Fuya, MODAK, Rajkumar, SAKURABA, Yuya, OHKUBO, Tadakatsu, UCHIDA, Kenichi. Magnon-mediated thermal transport engineering at room temperature. International Conference on Magnetism 2024. 2024. 招待講演
28. ラーセン サイモン ローゼンクビスト, TERADA, Noriki, TANG, Xin, SEPEHRI AMIN, Hossein, MAMIYA, Hiroaki, Yusuke Nambu. The influence of doping on the magnetic and atomic structures of the magnetocaloric material ErCo2. International conference on Magnetism 2024 (The 22nd International Conference on Magnetism). 2024.
29. ANDO, Fuyuki, HIRAI, Takamasa, Abdulkareem Alasli, SEPEHRI AMIN, Hossein, IWASAKI, Yutaka, UCHIDA, Kenichi. Giant transverse thermoelectric generation in multifunctional composite permanent magnets. International Conference on Magnetism 2024. 2024. 招待講演
30. 埋橋 淳. 高品質な3次元アトムプローブ分析及び透過型電子顕微鏡観察試料の自動作製技術. 真空技術部会2024年6月研究例会「AIによる表面科学・真空技術の新展開」. 2024. 招待講演
31. 石川晃輔, 埋橋 淳, 大久保 忠勝. MgとNの連続イオン注入GaNにおける拡張欠陥形成およびMg凝集の解析. 第80回日本顕微鏡学会学術講演会. 2024.
32. 三宅 亮, 埋橋 淳, 大久保 忠勝. 天然サファイア中のナノインクルージョン. 第80回日本顕微鏡学会学術講演会. 2024.
33. 佐々木宏和, 埋橋 淳, 大久保 忠勝. 3DAP及び電子線ホログラフィーによる化合物半導体のドーパント・電位分布解析. 日本顕微鏡学会第80回学術講演会. 2024.
34. 埋橋 淳, 大久保 忠勝. FIB-SEMによる膜厚制御TEM試料作製技術の確立. 日本顕微鏡学会第80回学術講演会. 2024.
35. 狩野絵美, 埋橋 淳, 大久保 忠勝. MgとNの連続イオン注入GaNにおけるMg拡散抑制のメカニズム. 第71回応用物理学会春季学術講演会. 2024.
36. 小泉 洸生, 温 振超, 大久保 忠勝, 埋橋 淳, 介川 裕章, 三谷 誠司. 岩塩型LiTiO/CoFeB界面における垂直磁気異方性. 第71回応用物理学会春季学術講演会. 2024.
37. 有馬 寛人, セペリ アミン ホセイン, 安藤 冬希, 内田 健一. 共晶合金Sn-Pbハンダにおける不揮発な磁気熱スイッチ現象. 日本物理学会2024年春季大会. 2024.

2023

1. 有馬 寛人, セペリ アミン ホセイン, 安藤 冬希, 内田 健一. 共晶合金Sn-Pbハンダを用いた不揮発な磁気熱スイッチング. 第29回 渦糸物理ワークショップ2023. 2023.
2. ANDO, Fuyuki, HIRAI, Takamasa, SEPEHRI AMIN, Hossein, UCHIDA, Kenichi. Transverse Thermoelectric Generation Using Permanent Magnets. MRM2023/IUMRS-ICA2023. 2023. 招待講演
3. BOLYACHKIN, Anton, SEPEHRI AMIN, Hossein, DENGINA Ekaterina, KULESH, Nikita, TANG, Xin, TAKAHASHI, Yukiko, OHKUBO, Tadakatsu, HONO, Kazuhiro. Digital twins of magnetic materials: revealing microstructure-properties correlations. The 11th Pacific Rim International Conference on Advanced Materials and Processing (PRICM 11). 2023. 招待講演 Open Access
4. SEPEHRI AMIN, Hossein. Machine learning science assisted development of FePt magnetic recording media. The international Disk Drive Equipment and Materials Association (IDEMA), Autumn Seminar. 2023. 招待講演
5. 野﨑 隆行, 埋橋 淳, 大久保 忠勝. 低温成長 CoFeB を用いた電圧磁気異方性制御効率の最適化. 第47回日本磁気学会学術講演会. 2023.
6. 金澤 朋希, シャイケ トーマス, 埋橋 淳, 大久保 忠勝, 介川 裕章, 三谷 誠司, 柳原 英人. 垂直型強磁性トンネル接合のためのエピタキシャルMgAl2O4/L10-FePt(001)構造の作製. 第47回日本磁気学会学術講演会. 2023.
7. SASAKI, Taisuke, UZUHASHI, Jun, OHKUBO, Tadakatsu. Nanostructure characterization of magnetic materials by SEM/TEM/APT. 第47回 日本磁気学会学術講演会. 2023. 招待講演
8. 安藤 冬希, 平井 孝昌, セペリ アミン ホセイン, 内田 健一. SmCo/BiSbTe傾斜積層体による横型熱電永久磁石の実証. 第20回日本熱電学会学術講演会. 2023.
9. 内田 健一, 平井 孝昌, セペリ アミン ホセイン. 人工傾斜型積層体におけるハイブリッド横型磁気熱電冷却. 第20回 日本熱電学会学術講演会. 2023.
10. Haruo Kondo, UZUHASHI, Jun, OHKUBO, Tadakatsu. Pulsed Laser Induced Structural Change of Chiral Te Thin Films. 第84回応用物理学会秋季学術講演会. 2023.
11. 安藤 冬希, 平井 孝昌, セペリ アミン ホセイン, 内田 健一. SmCo/BiSbTe傾斜積層体による横型熱電永久磁石の実証. 第84回応用物理学会秋季学術講演会. 2023.
12. Yujun Wang, UZUHASHI, Jun, OHKUBO, Tadakatsu. Scaling of the anomalous Hall effect of MBE-grown Cr2Te3 thin films. 第84回応用物理学会秋季学術講演会. 2023.
13. Tatsuya Yamamoto, UZUHASHI, Jun, OHKUBO, Tadakatsu. High thermal tolerance and over 230% magnetoresistance in perpendicularly magnetized magnetic tunnel junction using an Mg40Fe10O50 barrier. 第84回応用物理学会秋季学術講演会. 2023.
14. BOLYACHKIN, Anton, DENGINA Ekaterina, KULESH, Nikita, TANG, Xin, SEPEHRI AMIN, Hossein, OHKUBO, Tadakatsu, HONO, Kazuhiro. Tomography-based Micromagnetic Simulations of Hot-Deformed Nd-Fe-B Magnets. JIMM Fall Meeting 2023. 2023. 招待講演 Open Access
15. SEPEHRI AMIN, Hossein. Research on high-performance permanent magnet materials without using rare elements. The Japan Institute of Metals and Materials (JIMM) 2023 Fall Meeting. 2023. 招待講演
16. HIRAI, Takamasa, 森田 利明, ビスワス スブラト, UZUHASHI, Jun, クシュワハ ヴァルン クマール, MODAK, Rajkumar, SAKURABA, Yuya, OHKUBO, Tadakatsu, UCHIDA, Kenichi. Spin-current-induced non-equilibrium change in thermal conductivity and interfacial thermal resistance at room temperature. 第84回応用物理学会秋季学術講演会. 2023.
17. SEPEHRI AMIN, Hossein, SASAKI, Taisuke, OHKUBO, Tadakatsu, HONO, Kazuhiro. Correlative (S)TEM/APT analysis of magnetic materials for green energy conversions. Atom Probe Tomography & Microscopy 2023. 2023. 招待講演
18. UZUHASHI, Jun, OHKUBO, Tadakatsu, HONO, Kazuhiro. Automated site-specific 3DAP tip preparation by using script-controllable FIB-SEM system. Atom Probe Tomography & Microscopy 2023. 2023.
19. 三宅 亮, 埋橋 淳, 大久保 忠勝. マダガスカル産天然サファイア中のナノインクルージョン. 日本鉱物科学会2023年年会・総会. 2023.
20. 狩野 絵美, UZUHASHI, Jun, OHKUBO, Tadakatsu, HONO, Kazuhiro. Impacts on dopant activation of extended defects and Mg agglomeration in Mg-ion-implanted GaN. IMC20 (The 20th International Microscopy Congress). 2023.
21. BOLYACHKIN, Anton, DENGINA Ekaterina, KULESH, Nikita, TANG, Xin, SEPEHRI AMIN, Hossein, OHKUBO, Tadakatsu, HONO, Kazuhiro. Tomography-based Micromagnetic Simulations of Nd-Fe-B Magnets: the Role of Intergranular Phase Nonuniformities. 27th International workshop on rare earth and future permanent magnets and their applications (REPM). 2023. Open Access
22. KULESH, Nikita, BOLYACHKIN, Anton, DENGINA Ekaterina, TANG, Xin, OHKUBO, Tadakatsu, SEPEHRI AMIN, Hossein, HONO, Kazuhiro. Exploring coercivity limits in ultrafine-grained Nd-Fe-B magnets with deep learning image segmentation and micromagnetic simulation. 27th International workshop on rare earth and future permanent magnets and their applications (REPM). 2023.
23. SEPEHRI AMIN, Hossein, Y. Mori, BOLYACHKIN, Anton, TAKAHASHI, Yukiko, OHKUBO, Tadakatsu, HONO, Kazuhiro. Exploring coercivity limit in SmFe12-based thin films . REPM 2023 BIRMINGHAM. 2023. 招待講演
24. SEPEHRI AMIN, Hossein, TANG, Xin, ZHANG Jiasheng, BOLYACHKIN, Anton, OHKUBO, Tadakatsu, HONO, Kazuhiro. Development of high performance permanent magnets; elements criticality, new demands, and extrinsic magnetic properties. 13th Joint European Magnetic Symposia (JEMS). 2023. 招待講演 Open Access
25. SEPEHRI AMIN, Hossein, TANG, Xin, ZHANG Jiasheng, BOLYACHKIN, Anton, OHKUBO, Tadakatsu, HONO, Kazuhiro. Development of High-Performance Permanent Magnets without Reliance on Scarce Elements. IcAUMS 2023. 2023. 招待講演
26. SUKEGAWA, Hiroaki, WEN, ZhenChao, KASAI, Shinya, UZUHASHI, Jun, OHKUBO, Tadakatsu, HONO, Kazuhiro, MITANI, Seiji, Shinto Ichikawa. Improved dielectric breakdown of magnetic tunnel junctions using a lattice-matched MgAl2O4 barrier. MML2023 (11th International Symposium on Metallic Multilayers). 2023.
27. Haruo Kondo, UZUHASHI, Jun, OHKUBO, Tadakatsu. Pulsed Laser Induced Structural Change of Te Thin Films. The 11th International Symposium on Metallic Multilayers (MML 2023). 2023.
28. Yudai Yamaguchi, UZUHASHI, Jun, OHKUBO, Tadakatsu, HONO, Kazuhiro. Multimodal Analysis of InAs/InGaAlAs Quantum Dots Using Transmission Electron Microscopy and Atom Probe Tomography. Microscopy & Microanalysis 2023. 2023.
29. 埋橋 淳, 大久保 忠勝, 宝野 和博. スクリプト制御FIB-SEM装置による自動３次元アトムプローブ試料作製技術の確立. 日本顕微鏡学会第79回学術講演会. 2023.
30. 佐々木 宏和, 埋橋 淳, 大久保 忠勝. 3次元アトムプローブによる化合物半導体のドーパント解析. 日本顕微鏡学会第79回学術講演会. 2023.
31. 狩野 絵美, 埋橋 淳, 大久保 忠勝, 宝野 和博. GaNへのMgイオン注入により形成される結晶欠陥の原子分解能分析. 日本顕微鏡学会第79回学術講演会. 2023.
32. Ryo Tanaka, UZUHASHI, Jun, OHKUBO, Tadakatsu. Development of p-type ion implantation technique for realization of GaN vertical MOSFETs. International Workshop on Junction Technology (IWJT2023). 2023. 招待講演
33. BOLYACHKIN, Anton, DENGINA Ekaterina, KULESH, Nikita, TANG, Xin, SEPEHRI AMIN, Hossein, OHKUBO, Tadakatsu, HONO, Kazuhiro. Tomography-based Micromagnetic Simulations of Nd-Fe-B Hot-Deformed Magnets. 13th International Symposium on Hysteresis Modeling and Micromagnetics (HMM 2023). 2023. Open Access
34. Shozo Hiramoto, UZUHASHI, Jun, OHKUBO, Tadakatsu. Synchrotron radiation X-ray diffraction study on nucleation and growth of nanocrystalline phase in Fe-Si-B-P-Cu-C amorphous alloys. INTERMAG 2023. 2023.
35. BOLYACHKIN, Anton, DENGINA Ekaterina, KULESH, Nikita, TANG, Xin, SEPEHRI AMIN, Hossein, OHKUBO, Tadakatsu, HONO, Kazuhiro. Tomography-based Digital Twins of Nd-Fe-B Magnets for Micromagnetic Simulations. INTERMAG 2023. 2023. Open Access
36. Tatsuya Yamamoto, UZUHASHI, Jun, OHKUBO, Tadakatsu. Over 100% magnetoresistance in perpendicularly magnetized magnetic tunnel junctions with a Co3Mn/Mo/CoFeB multilayer. INTERMAG 2023. 2023.
37. BOLYACHKIN, Anton, DENGINA Ekaterina, KULESH, Nikita, TANG, Xin, SEPEHRI AMIN, Hossein, OHKUBO, Tadakatsu, HONO, Kazuhiro. Digital Twins of Nd-Fe-B Magnets: Tomography-Based Micromagnetic Simulations. 第1回マテリアル革新力強化に向けた総合シンポジウム. 2023.
38. 金俊延, UZUHASHI, Jun, OHKUBO, Tadakatsu, MITANI, Seiji. Orbital torque modulation by oxygen accumulation. 第70回応用物理学会春季講演会. 2023.
39. Akira Uedono, UZUHASHI, Jun, OHKUBO, Tadakatsu, HONO, Kazuhiro. Annealing properties of vacancy-type defects in ion implanted GaN during ultra-high-pressure annealing studied by using a monoenergetic positron beam. Conference on Gallium Nitride Materials and Devices XVIII, part of SPIE OPTO.. 2023. 招待講演

1. MAMIYA, Hiroaki, TERADA, Noriki, K. Hiroi, T. Shinohara, SEPEHRI AMIN, Hossein. Neutron Bragg Edge Spectroscopy for Developing Practical Magnetic Materials. MLF Annual Report. 2024 [2] 42-43. 2026.

2025

1. SAXS・SANS及びAPTによるSi量の異なるCu-Ni-Si合金中の析出相の解析. 銅と銅合金. 64 [1] 59-64. 2025. Open Access
2. Akira Uedono, Ryo Tanaka, Shinya Takashima, Katsunori Ueno, Masaharu Edo, Kohei Shima, Shigefusa F. Chichibu, Jun Uzuhashi, Tadakatsu Ohkubo, Shoji Ishibashi, Kacper Sierakowski, Michal Bockowski. Characterization of Vacancy-Type Defects in Mg- and N-Implanted GaN by using a Monoenergetic Positron Beam. 2025 22nd International Workshop on Junction Technology (IWJT). 2025 22nd International Workshop on Junction Technology (IWJT) 79-82. 2025. Open Access
3. Ken-ichi Uchida, Yuya Sakuraba, Hossein Sepehri-Amin. Foreword to the focus issue: materials science and technology for magnetic thermal management. Science and Technology of Advanced Materials. 26 [1] 2604891-1-2604891-2. 2025. Open Access