18 records found.
Magnetic correlations and crystal structure changes in Fe- and Ni-substituted ErCo2 with reversible giant magnetocaloric effect
- Article
- Creator
-
Simon Rosenqvist Larsen
;
Noriki Terada
;
Xin Tang
;
Hiroaki Mamiya
;
Yusuke Nambu
;
Daisuke Okuyama
;
Hossein Sepehri-Amin
- Keyword
- magnetocaloric effect, neutron diffraction
- Date published
- 2025-07-23
- Updated at
- 2025-07-30 08:30:20 +0900
Effect of Co on twin formation and magnetic properties of Sm(Fe,Ti,V)12 alloys
- Article
- Creator
-
P. Tozman
;
G. Hrkac
;
C.E. Patrick
;
J.B. Staunton
;
T. Saito
;
T. Sasaki
;
T. Ohkubo
;
H. Sepehri-Amin
- Keyword
- Permanent magnet, SmFe12, Twin formation, intrinsic magnetic properties
- Date published
- 2024-12-07
- Updated at
- 2025-01-07 16:31:00 +0900
Effect of nanostructure on the core loss of soft magnetic materials
- Presentation
- Creator
-
SEPEHRI AMIN Hossein
;
GAUTAM Ravi
;
S. Hiramoto
;
BOLYACHKIN Anton
;
KULESH Nikita
;
MAMIYA Hiroaki
;
S. Okamoto
;
OHKUBO Tadakatsu
- Keyword
- Soft magnetic materials, core loss, nanostructure
- Date published
- Updated at
- 2025-01-08 16:31:13 +0900
Design and development of permanent magnets; how to solve rare-earth criticality while considering new demands?
- Presentation
- Creator
-
SEPEHRI AMIN Hossein
- Keyword
- Permanent Magnets, coercivity mechanism, grain boundary, microstructure
- Date published
- Updated at
- 2025-01-09 16:30:52 +0900
High Performance Permanent Magnets; How to solve element criticality while considering new demands?
- Presentation
- Creator
-
SEPEHRI AMIN Hossein
- Keyword
- Permanent magnet, microstructure, coercivity
- Date published
- Updated at
- 2025-01-08 16:31:10 +0900
Exchange-coupled Fe - Pt / Ru / Fe - Pt nanogranular films as potential heat-assisted-magnetic-recording media with reduced writing temperature
- Article
- Creator
-
Daisuke Ogawa
;
Anton Bolyachkin
;
Angayarkanni R. Dilipan
;
Nikita Kulesh
;
Hossein Sepehri-Amin
;
Yukiko K. Takahashi
- Keyword
- Heat-assisted magnetic recording (HAMR), exchange-coupled media, FePt, Curie temperature
- Date published
- 2024-11-21
- Updated at
- 2024-11-23 16:30:27 +0900
Ultra-high temperature flexure and strain driven amorphization in polycrystalline boron carbide bulks
- Article
- Creator
-
D. Demirskyi
;
H. Sepehri-Amin
;
T.S. Suzuki
;
K. Yoshimi
;
O. Vasylkiv
- Keyword
- Boron carbide, Transmission electron microscopy (TEM), Crystal defects, High-temperature deformation
- Date published
- 2022-01-04
- Updated at
- 2024-11-21 16:32:10 +0900
High‐temperature deformation and consolidation of polycrystalline α‐SiC by spark plasma sintering
- Article
- Creator
-
Dmytro Demirskyi
;
Hossein Sepehri‐Amin
;
Oleg O. Vasylkiv
- Keyword
- Polycrystalline ⍺-SiC, High temperature deformation, spark plasma sintering, microstructure
- Date published
- 2024-10-22
- Updated at
- 2025-10-23 08:30:26 +0900
Digital twins of magnetic materials: revealing microstructure-properties correlations
- Presentation
- Creator
-
BOLYACHKIN Anton
;
SEPEHRI AMIN Hossein
;
DENGINA Ekaterina
;
KULESH Nikita
;
TANG Xin
;
TAKAHASHI Yukiko
;
OHKUBO Tadakatsu
;
HONO Kazuhiro
- Keyword
- Micromagnetic simulations, Nd-Fe-B magnets, FePt media, SmFe12-based films
- Date published
- Updated at
- 2024-10-17 08:30:08 +0900
Coercivity Engineering in Nd-Fe-B Hot-deformed Magnets by Grain Boundary Infiltration: Micromagnetic Viewpoint
- Presentation
- Creator
-
BOLYACHKIN Anton
;
DENGINA Ekaterina
;
SEPEHRI AMIN Hossein
;
OHKUBO Tadakatsu
;
HONO Kazuhiro
- Keyword
- Nd-Fe-B magnets, Micromagnetic simulations, Grain boundary diffusion process
- Date published
- Updated at
- 2024-10-16 16:30:42 +0900