HOME > Profile > SEPEHRI AMIN, Hossein
SEPEHRI AMIN, Hossein (セペリ アミン ホセイン) 
- Principal Researcher, Magnetic Materials Analysis Group, Research Center for Magnetic and Spintronic Materials
- Elements Strategy Initiative Center for Magnetic Materials, Material Processing Group, Research Center for Magnetic and Spintronic Materials
- Center for Functional Sensor & Actuator, Research Center for Functional Materials
- Address
- 305-0047 1-2-1 Sengen Tsukuba Ibaraki JAPAN [Access]
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Research
- Permanent magnets (processing, properties, and microstructure), Finite element micromagnetic simulations. ,Microstructure characterization (electron microscopy and atom probe field ion microscopy).
PublicationsNIMS affiliated publications since 2004.
Research papers
- X.D. Xu, Z.J. Dong, T.T. Sasaki, Xin Tang, H. Sepehri-Amin, T. Ohkubo, K. Hono. Influence of Ti addition on microstructure and magnetic properties of a heavy-rare-earth-free Nd-Fe-B sintered magnet. Journal of Alloys and Compounds. 806 (2019) 1267-1275 10.1016/j.jallcom.2019.07.289
- K. Mukaiyama, J. W. Jung, H. Sepehri-Amin, S. Kasai, T. Furubayashi, T. Ohkubo, K. Hono. Over 100% magnetoresistance ratio at room temperature in magnetic tunnel junctions with CuGaSe2 spacer layer. Applied Physics Letters. 114 [17] (2019) 172402 10.1063/1.5092269
- H. Sepehri-Amin, W. Zhou, S. Bosu, C. Abert, Y. Sakuraba, S. Kasai, D. Suess, K. Hono. Design of spin-injection-layer in all-in-plane spin-torque-oscillator for microwave assisted magnetic recording. Journal of Magnetism and Magnetic Materials. 476 (2019) 361-370 10.1016/j.jmmm.2018.12.081
Books
Proceedings
- 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
- K. Hono, T. Ohkubo, Y.M. Chen, M. Kodzuka, K. Oh-ishi, H. Sepehri-Amin, F. Li, T. Kinno, S. Tomiya, Y. Kanitani. Broadening the applications of the atom probe technique by ultraviolet femtosecond laser. ULTRAMICROSCOPY. 2011, 576-583
- 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
Presentations
- LIU, Jun, SEPEHRI AMIN, Hossein, OHKUBO, Tadakatsu, HONO, Kazuhiro. Microstructure and coercivity relationships of hot-deformed Nd-Fe-B magnets . 12th Joint MMM/Intermag Conference. 2013
- HONO, Kazuhiro, SEPEHRI AMIN, Hossein, OHKUBO, Tadakatsu. Microstructure and coercivity relationships in permanent magnets for energy-efficient devices. 55th Annual Conference on Magnetism and Magnetic Materials. 2010
- SEPEHRI AMIN, Hossein, OHKUBO, Tadakatsu, HONO, Kazuhiro. UV Laser assisted 3D atom probe analysis of nano-scaled oxides and magnetic materials. IUMRS-ICAM 2017-The 15th international conference on adv. mater.. 2017
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