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Hossein Sepehri-Amin
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Hybridizing anomalous Nernst effect in artificially tilted multilayer based on magnetic topological material
Description/Abstract:
Transverse thermoelectric conversion holds significant potential in addressing complex challenges faced by classical Seebeck/Peltier modu...
Keyword:
anomalous Nernst effect
,
artificially tilted multilayer
,
off-diagonal Seebeck effect
, and
transverse thermoelectric conversion
Resource Type:
Article
Author:
Takamasa Hirai
,
Fuyuki Ando
,
Hossein Sepehri-Amin
, and
Ken-ichi Uchida
Journal:
Nature Communications
Date Uploaded:
23/11/2024
Exchange-coupled <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll"><mml:mi>Fe</mml:mi></mml:math> - <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll"><mml:mi>Pt</mml:mi></mml:math> / <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll"><mml:mi>Ru</mml:mi></mml:math> / <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll"><mml:mi>Fe</mml:mi></mml:math> - <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll"><mml:mi>Pt</mml:mi></mml:math> nanogranular films as potential heat-assisted-magnetic-recording media with reduced writing temperature
Description/Abstract:
Heat-assisted magnetic recording (HAMR) is a promising high-density data storage technology whose intensive practical deployment requires...
Keyword:
Curie temperature
,
FePt
,
Heat-assisted magnetic recording (HAMR)
, and
exchange-coupled media
Resource Type:
Article
Author:
Daisuke Ogawa
,
Anton Bolyachkin
,
Angayarkanni R. Dilipan
,
Nikita Kulesh
,
Hossein Sepehri-Amin
, and
Yukiko K. Takahashi
Journal:
Physical Review Applied
Date Uploaded:
23/11/2024
Tuning magnetocaloric effect of Ho1-Gd Ni2 and HoNi2-Co alloys around hydrogen liquefaction temperature
Description/Abstract:
We show the giant magnetocaloric effect of HoNi2 compound can be tuned around hydrogen liquefaction temperature by substituting Ho with G...
Keyword:
Cryogenic
,
Magnetic entropy
, and
Magnetocaloric Materials
Resource Type:
Article
Author:
Jiawei Lai
,
Xin Tang
,
Hossein Sepehri-Amin
, and
Kazuhiro Hono
Journal:
Scripta Materialia
Date Uploaded:
15/11/2024
Creation of flexible spin-caloritronic material with giant transverse thermoelectric conversion by nanostructure engineering
Description/Abstract:
Functional materials such as magnetic, thermoelectric, and battery materials have been revolutionized through nanostructure engineering....
Keyword:
Anomalous Nernst effect
,
Nanostructure
,
spin-caloritronic
, and
transverse thermoelectric conversion
Resource Type:
Article
Author:
Ravi Gautam
,
Takamasa Hirai
,
Abdulkareem Alasli
,
Hosei Nagano
,
Tadakatsu Ohkubo
,
Ken-ichi Uchida
, and
Hossein Sepehri-Amin
Journal:
Nature Communications
Date Uploaded:
11/11/2024
Tomography-based digital twin of Nd-Fe-B permanent magnets
Description/Abstract:
Many functional materials are designed at the multiscale level. To properly simulate their physical properties, large and sophisticated c...
Keyword:
Digital Twin
and
Hard magnets
Resource Type:
Article
Author:
Anton Bolyachkin
,
Ekaterina Dengina
,
Nikita Kulesh
,
Xin Tang
,
Hossein Sepehri-Amin
,
Tadakatsu Ohkubo
, and
Kazuhiro Hono
Journal:
npj Computational Materials
Date Uploaded:
21/10/2024
Micromagnetic simulations of Nd-Fe-B hot-deformed magnets subjected to eutectic grain boundary diffusion process
Description/Abstract:
The grain boundary diffusion process (GBDP) is one of the most efficient treatments for increasing the coercivity (Hc) of Nd-Fe-B magnets...
Keyword:
Grain boundary diffusion process
,
Micromagnetic simulation
,
Nd-Fe-B
, and
Permanent magnet
Resource Type:
Article
Author:
Anton Bolyachkin
,
Ekaterina Dengina
,
Hossein Sepehri-Amin
,
Tadakatsu Ohkubo
, and
Kazuhiro Hono
Journal:
Scripta Materialia
Date Uploaded:
23/08/2024
Magnetic and magneto-transport properties of non-collinear antiferromagnetic Mn3Ge epitaxial films
Description/Abstract:
Antiferromagnetic Mn3X (X = Sn, Ge, Ga, and Pt) possessing non-collinear spin structures with Kagome lattices have attracted increasing i...
Keyword:
Anomalous Hall effect
,
Antiferromagnets
, and
Spintronics
Resource Type:
Article
Author:
Yutaro Takeuchi
,
Hossein Sepehri-Amin
,
Satoshi Sugimoto
,
Takanobu Hiroto
, and
Shinya Kasai
Journal:
APL Materials
Date Uploaded:
17/07/2024
Analysis of an all-in-plane spin-torque oscillator using injection locking to an external microwave magnetic field
Description/Abstract:
We experimentally study the magnetization dynamics of an all-in-plane spin-torque oscillator (AIP-STO) by using injection locking to an e...
Keyword:
injection locking
,
micro magnetic simulation
,
microwave-assisted magnetic recording
,
spin-torque oscillator
, and
spin-transfer torque
Resource Type:
Article
Author:
Hirofumi Suto
,
Hossein Sepehri-Amin
,
Nagarjuna Asam
,
Weinan Zhou
,
Anton Bolyachkin
,
Masayuki Takagishi
,
Naoyuki Narita
,
Shingo Tamaru
,
Tomoya Nakatani
, and
Yuya Sakuraba
Journal:
Applied Physics Express
Date Uploaded:
28/06/2024
Observation of nonvolatile magneto-thermal switching in superconductors
Description/Abstract:
Applying a magnetic field to a solid changes its thermal-transport properties. Although such magneto-thermal-transport phenomena are usua...
Keyword:
magneto-thermal switching
,
superconductor
, and
thermal switch
Resource Type:
Article
Author:
Hiroto Arima
,
Md. Riad Kasem
,
Hossein Sepehri-Amin
,
Fuyuki Ando
,
Ken-ichi Uchida
,
Yuto Kinoshita
,
Masashi Tokunaga
, and
Yoshikazu Mizuguchi
Journal:
Communications Materials
Date Uploaded:
24/05/2024
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transverse thermoelectric conversion
2
Anomalous Hall effect
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English
9
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Springer Science and Business Media LLC
4
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2
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9
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9
Rights Statement Sim
Creative Commons BY Attribution 4.0 International
6
In Copyright
3
Author
Hossein Sepehri-Amin
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Anton Bolyachkin
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Kazuhiro Hono
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Ken-ichi Uchida
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Tadakatsu Ohkubo
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Funder
MEXT | JST | Exploratory Research for Advanced Technology
3
Japan Society for the Promotion of Science
2
MEXT | Japan Society for the Promotion of Science
2
ASRC
1
Casio Science Promotion Foundation
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Nature Communications
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Scripta Materialia
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Applied Physics Express
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