- Address
- 305-0047 茨城県つくば市千現1-2-1 [アクセス]
研究内容
- Permanent magnets (processing, properties, and microstructure), Finite element micromagnetic simulations. ,Microstructure characterization (electron microscopy and atom probe field ion microscopy).
出版物2004年以降のNIMS所属における研究成果や出版物を表示しています。
論文
- Xin Tang, H. Sepehri-Amin, N. Terada, A. Martin-Cid, I. Kurniawan, S. Kobayashi, Y. Kotani, H. Takeya, J. Lai, Y. Matsushita, T. Ohkubo, Y. Miura, T. Nakamura, K. Hono. Magnetic refrigeration material operating at a full temperature range required for hydrogen liquefaction. Nature Communications. 13 [1] (2022) 1817 10.1038/s41467-022-29340-2
- H. Pandey, J. Wang, T. Shiroyama, B. S. D. Ch. S. Varaprasad, H. Sepehri-Amin, Y. K. Takahashi, A. Perumal, K. Hono. Structure Optimization of FePt–C Nanogranular Films for Heat-Assisted Magnetic Recording Media. IEEE Transactions on Magnetics. 52 [2] (2016) 1-8 10.1109/tmag.2015.2477313
- 秋屋 貴博, 日置 敬子, 服部 篤, 大久保 忠勝, 宝野 和博. 熱間加工バルクネオジム磁石へのRE-Cu共晶合金の低温拡散プロセス. 電気学会論文誌． Ａ. 136 [8] (2016) 478-483 10.1541/ieejfms.136.478
書籍
会議録
- SEPEHRI AMIN, Hossein, OHKUBO, Tadakatsu, HONO, Kazuhiro, K. Guth, O. Gutfleisch. Anisotropy inducement mechanism in hydrogen disproportionation desorption recombination (HDDR) processed Nd-Fe-B powders. proceeding of REPM2014. (2014) 406-408
- SEPEHRI AMIN, Hossein, OHKUBO, Tadakatsu, M. Yano , T. Shoji , T. Schrefl, HONO, Kazuhiro. Microstructure and coercivity of hot deformed Nd-Fe-B anisotropic magnets with non-magnetic grain boundary phase. Proceeding of Rare Earth Permanent Magnets and their Applications REPM. (2012) 71-76
- SEPEHRI AMIN, Hossein, OHKUBO, Tadakatsu, HONO, Kazuhiro. Atom probe study on the grain boundary chemistry of Nd-Fe-B sintered magnets. Rare-Earth Magnets and their applications. (2010) 47-50
口頭発表
- SEPEHRI AMIN, Hossein, TANG, Xin, LAI, Jiawei, BOLYACHKIN, Anton, OHKUBO, Tadakatsu, HONO, Kazuhiro. Development of Magnetic Refrigeration Materials for Cryogenic Applications. 2022 MRS Fall Meeting & Exhibit. 2022
- TOZMAN KARANIKOLAS, Pelin, SEPEHRI AMIN, Hossein, ABE, Taichi, BOLYACHKIN, Anton, Taro Fukazawa, Takashi Miyake, HIROSAWA, Satoshi, HONO, Kazuhiro, TAKAHASHI, Yukiko. Investigation of the effect of V on the intrinsic and extrinsic magnetic properties of Sm(Fe,V)12 by model thin film. The 67th Annual Conference on Magnetism and Magnetic Materials (MMM 2022) . 2022
- SEPEHRI AMIN, Hossein, ZHANG, Jiasheng, TANG, Xin, ASHOK KRISHNASWAMY, Srinithi, TOZMAN KARANIKOLAS, Pelin, BOLYACHKIN, Anton, OHKUBO, Tadakatsu, HONO, Kazuhiro. Development of rare-earth lean SmFe12-based permanent magnets. The 67th Annual Conference on Magnetism and Magnetic materials (MMM 2022). 2022
その他の文献
- SEPEHRI AMIN, Hossein, OHKUBO, Tadakatsu, HONO, Kazuhiro, K. Guth, O. Gutfleisch. Anisotropy inducement mechanism in hydrogen disproportionation desorption recombination (HDDR) processed Nd-Fe-B powders. proceeding of REPM2014. (2014) 406-408
- SEPEHRI AMIN, Hossein, OHKUBO, Tadakatsu, M. Yano , T. Shoji , T. Schrefl, HONO, Kazuhiro. Microstructure and coercivity of hot deformed Nd-Fe-B anisotropic magnets with non-magnetic grain boundary phase. Proceeding of Rare Earth Permanent Magnets and their Applications REPM. (2012) 71-76
特許
- 特許第7216957号 希土類磁石の製造方法 (2023)
- 特許第6358572号 希土類磁石の製造方法 (2018)
- 特許第5856953号 希土類永久磁石の製造方法および希土類永久磁石 (2015)
- No: WO2011145674 希土類永久磁石の製造方法および希土類永久磁石 (2011)
- 特開2015082626号 希土類磁石の製造方法 (2015)
- 特開2018186200号 希土類磁石の製造方法 (2018)