- Address
- 305-0047 茨城県つくば市千現1-2-1 [アクセス]
[論文] | [書籍] | [会議録] | [口頭発表] | [その他の文献] | [公開特許出願]
論文 TSV
2023
- S. Kobayashi, D. Ogawa, X.D. Xu, Y.K. Takahashi, A. Martin-Cid, K. Ishigami, Y. Kotani, M. Suzuki, T. Yoshioka, H. Tsuchiura, H. Sepehri-Amin, T. Ohkubo, K. Hono, S. Hirosawa, T. Nakamura. 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 (2023) 118454 10.1016/j.actamat.2022.118454
2022
- D. Ogawa, T. Fukazawa, S. Li, T. Ueno, S. Sakai, T. Mitsui, T. Miyake, S. Okamoto, S. Hirosawa, Y.K. Takahashi. Temperature dependence of site-resolved Fe magnetic moments in ThMn12-type Sm(Fe1−Co )12 compounds studied via synchrotron Mössbauer spectroscopy. Journal of Magnetism and Magnetic Materials. 552 (2022) 169188 10.1016/j.jmmm.2022.169188
- P. Tozman, T. Fukazawa, D. Ogawa, H. Sepehri-Amin, A. Bolyachkin, T. Miyake, S. Hirosawa, K. Hono, Y.K. Takahashi. Peculiar behavior of V on the Curie temperature and anisotropy field of SmFe12-xVx compounds. Acta Materialia. 232 (2022) 117928 10.1016/j.actamat.2022.117928 Open Access
2021
- 小川 大介, 平山悠介, 高橋 有紀子, 嶋敏之. 新規ThMn12系希土類磁石の現状と展望. Magnetics Japan. (2021) 51-59
- A. Makurenkova, D. Ogawa, P. Tozman, S. Okamoto, S. Nikitin, S. Hirosawa, K. Hono, Y.K. Takahashi. Intrinsic hard magnetic properties of Sm(Fe,Co)12−xTix compound with ThMn12 structure. Journal of Alloys and Compounds. 861 (2021) 158477 10.1016/j.jallcom.2020.158477
2020
- H. Sepehri-Amin, Y. Tamazawa, M. Kambayashi, G. Saito, Y.K. Takahashi, D. Ogawa, T. Ohkubo, S. Hirosawa, M. Doi, T. Shima, K. Hono. Achievement of high coercivity in Sm(Fe0.8Co0.2)12 anisotropic magnetic thin film by boron doping. Acta Materialia. 194 (2020) 337-342 10.1016/j.actamat.2020.05.026 Open Access
- D. Ogawa, T. Yoshioka, X.D. Xu, Y.K. Takahashi, H. Tsuchiura, T. Ohkubo, S. Hirosawa, K. Hono. Magnetic anisotropy constants of ThMn12-type Sm(Fe1–Co )12 compounds and their temperature dependence. Journal of Magnetism and Magnetic Materials. 497 (2020) 165965 10.1016/j.jmmm.2019.165965
2019
- P. Tozman, Y.K. Takahashi, H. Sepehri-Amin, D. Ogawa, S. Hirosawa, K. Hono. The effect of Zr substitution on saturation magnetization in (Sm1-xZrx)(Fe0.8Co0.2)12 compound with the ThMn12 structure. Acta Materialia. 178 (2019) 114-121 10.1016/j.actamat.2019.08.003
- D. Ogawa, X.D. Xu, Y.K. Takahashi, T. Ohkubo, S. Hirosawa, K. Hono. Emergence of coercivity in Sm(Fe0.8Co0.2)12 thin films via eutectic alloy grain boundary infiltration. Scripta Materialia. 164 (2019) 140-144 10.1016/j.scriptamat.2019.02.001
2018
- R. Mandal, D. Ogawa, Y. Tamazawa, K. Ishioka, T. Shima, T. Kato, S. Iwata, Y.K. Takahashi, S. Hirosawa, K. Hono. Time domain magnetization dynamics study to estimate interlayer exchange coupling constant in Nd-Fe-B/Ni80Fe20 films. Journal of Magnetism and Magnetic Materials. 468 (2018) 273-278 10.1016/j.jmmm.2018.08.010
書籍 TSV
会議録 TSV
口頭発表 TSV
2022
- TOZMAN KARANIKOLAS, Pelin, FUKAZAWA Taro, OGAWA, Daisuke, SEPEHRI AMIN, Hossein, BOLYACHKIN, Anton, MIYAKE Takahashi, HIROSAWA, Satoshi, HONO, Kazuhiro, TAKAHASHI, Yukiko. The Curie temperature enhancement and anisotropy preservation in SmFe12-xVx compounds by V substitution. 日本金属学会 2022年春期第170回講演大会. 2022
2021
- TOZMAN KARANIKOLAS, Pelin, Taro Fukazawa, OGAWA, Daisuke, SEPEHRI AMIN, Hossein, BOLYACHKIN, Anton, Takeshi Miyake, HIROSAWA, Satoshi, HONO, Kazuhiro, TAKAHASHI, Yukiko. Understanding the Effect of V on the Intrinsic Magnetic Properties of Sm(Fe,V)12 for Permanent Magnet Applications. 24th International Colloquium on Magnetic Films and Surfaces (ICMFS-2022) https://icmfs2022.jp/. 2021 招待講演
2020
- 高橋 有紀子, 小川 大介, セペリ アミン ホセイン, 嶋敏之, 大久保 忠勝, 廣澤 哲, 宝野 和博. Prospect of 1-12 based permanent magnets ~ Demonstration of high coercivity in thin films and current status of 1-12 bulk magnet~. 第44回 日本磁気学会学術講演会. 2020 招待講演
- SEPEHRI AMIN, Hossein, Y. Tamazawa, M. Kambayashi, G. Saito, TAKAHASHI, Yukiko, OGAWA, Daisuke, OHKUBO, Tadakatsu, HIROSAWA, Satoshi, M. Doi, T. Shima, HONO, Kazuhiro. Recent advances in SmFe12-based hard magnetic materials. The 2020 Magnetism and Magnetic Materials Conference (MMM2020). 2020 招待講演
2019
- TOZMAN KARANIKOLAS, Pelin, SEPEHRI AMIN, Hossein, TAKAHASHI, Yukiko, OGAWA, Daisuke, HIROSAWA, Satoshi, HONO, Kazuhiro. The Effect of Zr in Progress toward the Development of High-Performance SmFe12-based Magnet. 64th Annual Conference on Magnetism and Magnetic Materials (2019 MMM). 2019
- OGAWA, Daisuke, 李 松田, 吉岡 匠哉, 上野 哲郎, 境 誠司, 三井 隆也, TAKAHASHI, Yukiko, 土浦 宏紀, HIROSAWA, Satoshi, HONO, Kazuhiro. Magnetic anisotropy constants and magnetic moments of Fe in ThMn12-type Sm(Fe1-xCox)12 compounds. 第４３回日本磁気学会学術講演会. 2019
- TAKAHASHI, Yukiko, OGAWA, Daisuke, HIROSAWA, Satoshi, HONO, Kazuhiro. Intrinsic and extrinsic properties of new permanent magnet Sm(Fe0.8Co0.2)12 compound with ThMn12 structure. MML2019. 2019 招待講演
2018
- トズマン カラニコラス ペリン, 高橋 有紀子, セペリ アミン ホセイン, 小川 大介, 廣澤 哲, 宝野 和博. The effects of Zr on intrinsic properties of (Sm1-xZrx)(Fe0.8Co0.2)12 compound with ThMn12 structure. 2018年日本金属学会秋期講演大会. 2018
- 小川 大介, 徐 先東, 高橋 有紀子, 大久保 忠勝, 廣澤 哲, 宝野 和博. 非強磁性元素拡散したThMn12型Sm(Fe0.8Co0.2)12異方性多結晶薄膜の構造と磁気特性. 日本金属学会. 2018
- OGAWA, Daisuke, TAKAHASHI, Yukiko, HIROSAWA, Satoshi, HONO, Kazuhiro. Microstructure and magnetic properties of highly textured Sm(Fe0.8Co0.2)12 thin films with ThMn12 structure. REPM 2018. 2018
- OGAWA, Daisuke, HIROSAWA, Satoshi, TAKAHASHI, Yukiko, HONO, Kazuhiro. Microstructure and magnetic properties of anisotropic polycrystalline Sm(Fe0.8Co0.2)12 thin films with ThMn12 structure. INTERMAG 2018. 2018
- マンダル ルマ, 小川 大介, Tamazawa Yukiya, 石岡 邦江, Shima Toshiyuki, Kato Takeshi, Iwata Satoshi, 高橋 有紀子, 廣澤 哲, 宝野 和博. Interlayer Exchange Coupling Constant in Nd-Fe-B/Ni80Fe20 Films by All-Optical Pump-Probe Technique. A部門 マグネティックス研究会. 2018