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Ken-ichi Uchida
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Near-infrared imaging of heat transfer behavior between gadolinium and fluid during magnetization/demagnetization process of magnetocaloric effect
Description/Abstract:
This paper reports on the application of a near-infrared (NIR) imaging system for visualizing heat transfer dynamics from a bulk gadolini...
Keyword:
Magnetocaloric effect
and
Near-infrared imaging
Resource Type:
Article
Author:
The-Anh Nguyen
,
Naoto Kakuta
,
Ken-ichi Uchida
, and
Hosei Nagano
Journal:
Journal of Applied Physics
Date Uploaded:
27/05/2024
Designing composition ratio of magnetic alloy multilayer for transverse thermoelectric conversion by Bayesian optimization
Description/Abstract:
Wedemonstrated the effectiveness of the machine learning method combined with first-principles calculations for the enhancement of the an...
Keyword:
Spin-orbit interactions, First-principle calculations, Superlattices, Informatics, Machine learning, Ferromagnetic materials, Multilayers, Thermoelectric effects
Resource Type:
Article
Author:
Naoki Chiba
,
Keisuke Masuda
,
Ken-ichi Uchida
, and
Yoshio Miura
Journal:
APL Machine Learning
Date Uploaded:
24/05/2024
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
Zero-magnetic-field operation of ordinary-Nernst-effect-based transverse thermoelectric module using embedded permanent magnets
Description/Abstract:
The ordinary Nernst effect enables large transverse thermoelectric conversion in semimetals but its operation requires the application of...
Keyword:
ordinary Nernst effect
,
permanent magnet
, and
transverse thermoelectric conversion
Resource Type:
Article
Author:
Masayuki Murata
,
Takamasa Hirai
,
Takeshi Seki
, and
Ken-ichi Uchida
Journal:
APPLIED PHYSICS LETTERS
Date Uploaded:
15/05/2024
First-principles study of the anisotropic magneto-Peltier effect
Description/Abstract:
We study theoretically the anisotropic magneto-Peltier effect, which was recently demonstrated experimen-tally. A first-principles-based ...
Keyword:
Peltier effect
,
Spin caloritronics
, and
Spintronics
Resource Type:
Article
Author:
Keisuke Masuda
,
Ken-ichi Uchida
,
Ryo Iguchi
, and
Yoshio Miura
Journal:
Physical Review B
Date Uploaded:
11/04/2024
Quantitative measurement of figure of merit for transverse thermoelectric conversion in Fe/Pt metallic multilayers
Description/Abstract:
This study presents a measurement method for determining the figure of merit for transverse thermoelectric conversion (zT) in thin film f...
Keyword:
anomalous Nernst effect
,
dimensionless figure of merit
,
spin caloritronics
, and
time-domain thermoreflectance
Resource Type:
Article
Author:
Takumi Yamazaki
,
Takamasa Hirai
,
Takashi Yagi
,
Yuichiro Yamashita
,
Ken-ichi Uchida
,
Takeshi Seki
, and
Koki Takanashi
Journal:
Physical Review Applied
Date Uploaded:
26/02/2024
Date Modified:
26/02/2024
Permanent-magnet-based transverse thermoelectric generator with high fill factor driven by anomalous Nernst effect
Description/Abstract:
A transverse thermoelectric generator for magnetic-field-free and high-density power generation utilizing the anomalous Nernst effect is ...
Keyword:
Energy harvesting
,
Infrared imaging
,
Magnetic materials
,
Thermoelectric effects
, and
Thermoelectric generator
Resource Type:
Article
Author:
Fuyuki Ando
,
Takamasa Hirai
, and
Ken-ichi Uchida
Journal:
APL Energy
Date Uploaded:
26/01/2024
Elastocaloric effect of shape memory polymers in elastic response regime
Description/Abstract:
The solid-state cooling/heating technology based on the elastocaloric effect is one of the promising alternatives to vapor compression sy...
Keyword:
Elastocaloric effect
and
Shape memory polymer
Resource Type:
Article
Author:
Takamasa Hirai
,
Koichiro Uto
,
Mitsuhiro Ebara
, and
Ken-ichi Uchida
Journal:
Journal of Physics-Energy
Date Uploaded:
17/10/2023
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Creative Commons BY Attribution 4.0 International
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Ken-ichi Uchida
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JST
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Core Research for Evolutional Science and Technology
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Exploratory Research for Advanced Technology
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Japan Society for the Promotion of Science
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APL Energy
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APPLIED PHYSICS LETTERS
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