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1.
[Research Highlights Vol. 92]MANA Scientists Employ Active Machine Learning to Enhance Thermoelectric Performance of Materials
Description/Abstract:
Scientists from the Research Center for Materials Nanoarchitectonics (MANA) have integrated machine learning with traditional materials s...
Keyword:
Ceramics
,
Kesterite
,
Machine Learning
,
Process Optimization
, and
Thermoelectric Properties
Resource Type:
Magazine
Author:
International Center for Materials Nanoarchitectonics (WPI-MANA)
Journal:
Research Highlights
Date Uploaded:
04/02/2025
2.
[Research Highlights Vol. 91]MANA Develops Ferroelectric-ferromagnetic Materials for Next-generation Electronics
Description/Abstract:
Researchers at the Research Center for Materials Nanoarchitectonics (MANA) have proposed a method to create ferroelectric-ferromagnetic m...
Keyword:
Electronic structure calculationse
,
Ferromagnetic ferroelectrics
,
Hund's rule effects
,
Orbital order
, and
Van der Waals ferromagnets
Resource Type:
Magazine
Author:
International Center for Materials Nanoarchitectonics (WPI-MANA)
Journal:
Research Highlights
Date Uploaded:
04/02/2025
3.
[Research Highlights Vol. 89]Powering the Future Night and Day: MANA Develops Cutting-Edge Thermoelectric Generator
Description/Abstract:
Researchers from the Research Center for Materials Nanoarchitectonics (MANA) have developed a thermoelectric generator that can use both ...
Keyword:
Energy harvesting
,
Radiative cooling
,
Solar heating
,
Thermoelectric generation
, and
Transparent thermoelectric thin film
Resource Type:
Magazine
Author:
International Center for Materials Nanoarchitectonics (WPI-MANA)
Journal:
Research Highlights
Date Uploaded:
28/01/2025
4.
[Research Highlights Vol. 90]From Bottleneck to Breakthrough: MANA Achieves New Computing Paradigm with Reconfigurable Logic Circuits
Description/Abstract:
Scientists from the Research Center for Materials Nanoarchitectonics (MANA) developed a reconfigurable logic circuit that switches functi...
Keyword:
Artificial synapse
,
Hetero-interface
,
Logic-in-memory
,
Negative differential transconductance
,
Non-von Neumann type logic device
, and
Two-dimensional atomic layers
Resource Type:
Magazine
Author:
International Center for Materials Nanoarchitectonics (WPI-MANA)
Journal:
Research Highlights
Date Uploaded:
28/01/2025
5.
原型炉概念設計における超伝導コイル設計検討の進捗
Description/Abstract:
現在、原型炉設計合同特別チームでは、第 2 回中間チェックアンドレビューに向け原型炉概念を設計中である。昨今の炉の小型化、コスト低減の機運を受けて、原型炉設計合同特別チームの活動の⼀環として「原型炉 TF コイル⼨法検討会」を⽴ち上げ、製作メーカを含め「製作が⾒通せる」原型...
Keyword:
コイル寸法
and
原型炉設計
Resource Type:
Poster
Author:
宇藤 裕康
,
藤原 英弘
,
長谷川 満
,
野元 一宏
,
木戸 修一
,
早川 敦郎
,
柳 寛
,
大勢持 光一
,
杉本 昌弘
,
今川 信作
,
伴野 信哉
,
淡路 智
,
馬場 貴志
,
清⽔ 克祐
,
辺見 努
, and
坂本 宜照
Date Uploaded:
20/01/2025
6.
Design and development of permanent magnets; how to solve rare-earth criticality while considering new demands?
Description/Abstract:
Permanent magnets are widely used in green energy conversion and play an important role in achieving net-zero CO2 emissions. In order to ...
Keyword:
Permanent Magnets
,
coercivity mechanism
,
grain boundary
, and
microstructure
Resource Type:
Presentation
Author:
SEPEHRI AMIN Hossein
Date Uploaded:
09/01/2025
7.
Effect of nanostructure on the core loss of soft magnetic materials
Description/Abstract:
Soft magnets are important components in high-frequency power electronic devices, significantly contributing to efficient energy conversi...
Keyword:
Soft magnetic materials
,
core loss
, and
nanostructure
Resource Type:
Presentation
Author:
SEPEHRI AMIN Hossein
,
GAUTAM Ravi
,
S. Hiramoto
,
BOLYACHKIN Anton
,
KULESH Nikita
,
MAMIYA Hiroaki
,
S. Okamoto
, and
OHKUBO Tadakatsu
Date Uploaded:
08/01/2025
8.
Nb3Sn層形成および超電導特性に与えるTi添加場所の影響
Description/Abstract:
核融合炉や粒子加速器マグネットにおいて、Nb3Sn線材はキーコンポーネントであり、性能向上が切望されている。本研究ではその抑制につながる、Ti添加場所を検討するため、ラボラトリースケールの内部スズ法Nb3Sn多芯線材を作製して、Nb3Sn層形成および超電導特性に与える影響を...
Keyword:
Nb3Sn, Ti addition
Resource Type:
Presentation
Author:
伴野 信哉
,
浅井 航希
, and
谷貝 剛
Date Uploaded:
08/01/2025
9.
Nb3Sn 層形成および超電導特性に与える Zn および Mg 添加効果
Description/Abstract:
近年、Nb3Sn 超電導線材の高性能化への要望は、高エネルギー加速器、核融合炉などの高磁場マグネット応用においてますます高まっている。本研究では、内部スズ法をベースに、Cu 母材への Zn および Mg添加効果、および Ti の添加場所の効果を調べた。
Keyword:
Nb3Sn, Zn, Mg
Resource Type:
Presentation
Author:
伴野 信哉
,
浅井 航希
, and
谷貝 剛
Date Uploaded:
08/01/2025
10.
High Performance Permanent Magnets; How to solve element criticality while considering new demands?
Description/Abstract:
Permanent magnets are widely used in green energy conversion and play an important role in achieving net-zero CO2 emissions. In order to ...
Keyword:
Permanent magnet
,
coercivity
, and
microstructure
Resource Type:
Presentation
Author:
SEPEHRI AMIN Hossein
Date Uploaded:
08/01/2025
11.
Data-driven approaches for designing thermal insulating materials
Description/Abstract:
The design of high-performance thermal insulating materials is crucial for efficient thermal management in modern applications. This pres...
Keyword:
Interfacial thermal resistance
,
data-driven technique
,
machine learning
, and
thermal insulator
Resource Type:
Presentation
Author:
Yen-Ju Wu
and
Yibin Xu
Date Uploaded:
25/12/2024
12.
Bayesian optimization, an active learning method for optimising experimental parameters
Description/Abstract:
A supervised machine learning model (SML) is a method of artificial intelligence (AI) that enables the estimation of the value of variou...
Keyword:
Active learning
and
Bayesian optimization
Resource Type:
Presentation
Author:
LAMBARD Guillaume
and
BAJAN Christophe Marie Olivier
Date Uploaded:
23/12/2024
13.
原型炉概念設計における原型炉TFコイル寸法検討会の状況
Description/Abstract:
現在の原型炉TFコイルはITERのTFコイルより1.5倍大きく、原型炉発電の早期実現等の観点からも製作性が懸念される。そこで、原型炉設計合同特別チームの活動の一環として、メーカを中心とした国内専門家による「原型炉TFコイル寸法検討会」を立ち上げ、製作メーカを含め「製作できる...
Keyword:
原型炉
,
核融合
, and
超伝導コイル
Resource Type:
Presentation
Author:
宇藤 裕康
,
藤原 英弘
,
長谷川 満
,
野元 一宏
,
木戸 修一
,
早川 敦郎
,
柳 寛
,
大勢持 光一
,
杉本 昌弘
,
今川 信作
,
伴野 信哉
,
淡路 智
,
辺見 努
, and
坂本 宜照
Date Uploaded:
20/12/2024
14.
Effect of Zn addition on Nb3Sn layer formation in the Nb/Cu-Sn-Ti diffusion reaction
Description/Abstract:
Enhancing the characteristics of Nb3Sn superconducting wire is essential for the development of magnets for fusion reactors like ITER and...
Keyword:
Nb3Sn
and
Zn
Resource Type:
Poster
Author:
Koki Asai
,
Tsuyoshi Yagai
, and
Nobuya Banno
Date Uploaded:
19/12/2024
15.
Nb3Sn wire fabrication using rod-in-tube method with a diffusion couple of Nb and Sn alloy with co-addition of Cu and Zn
Description/Abstract:
Large-scale devices, such as the next generation high energy particle accelerator project, demand the enhancement of the Jc and cost perf...
Keyword:
Nb3Sn
,
Zn
, and
diffusion
Resource Type:
Presentation
Author:
Nobuya Banno
,
Koki Asai
, and
Tsuyoshi Yagai
Date Uploaded:
19/12/2024
16.
Cu・Zn共添加Sn合金芯の作製とそれを用いたNb3Sn層形成
Description/Abstract:
Nb3Sn超電導線材は、次世代粒子加速器や原型炉用マグネットの候補線材となっている。これらの装置では、数千トンに及ぶ物量のNb3Sn線材が必要であり、高臨界電流密度化だけでなく、線材コストパフォーマンス改善も重要な課題である。コストパフォーマンスは、ワイヤーのデザインと伸線...
Keyword:
Cu
,
Nb3Sn
,
Sn-alloy
, and
Zn
Resource Type:
Presentation
Author:
伴野 信哉
,
浅井 航希
, and
谷貝 剛
Date Uploaded:
19/12/2024
17.
Nb3Sn層形成を促進するTi添加場所に関する検討
Description/Abstract:
TiはNb3Snの高磁場特性を向上させる添加元素として広く知られている。内部スズ法Nb3Sn線材では、Ti添加場所としてSn芯、Nb芯、Cuマトリクスの3通りが考えられる。前回、Sn芯およびCuマトリクスへのTi添加を主に調査し、CuにTiを添加することで、SnおよびTi拡...
Keyword:
Nb3Sn
,
Ti
, and
diffusion
Resource Type:
Presentation
Author:
伴野 信哉
,
浅井 航希
, and
谷貝 剛
Date Uploaded:
19/12/2024
18.
Nb/Sn-Cu-Ti拡散反応においてZnおよびMg添加がNb3Sn層形成に与える影響
Description/Abstract:
Nb/Sn拡散反応へのTi添加は,Nb3Sn線材の上部臨界磁場(Bc2)を向上させることで知られる。しかし,Sn相へのTi添加はNb/Sn界面でのNbSnTiCu化合物形成を促し,これがNb3Sn層形成時のSnの拡散障壁となりうる。この化合物を不安定化させ,Ti添加時におい...
Keyword:
Mg
,
Nb3Sn
, and
Zn
Resource Type:
Presentation
Author:
浅井 航希
,
谷貝 剛
,
諸永 拓
, and
伴野 信哉
Date Uploaded:
19/12/2024
19.
Achievement of 120 W at 80 K by Synchronous Operation of Two Single-Stage G-M Cold Heads Driven by a 2 W Class Compressor
Description/Abstract:
In order to improve the cooling capacity and efficiency of a Gifford-McMahon (G-M) cryocooler, the synchronous operation of two single-st...
Keyword:
G-M
and
synchronous operation
Resource Type:
ProceedingsArticle
Author:
S. Masuyama
,
K. Natsume
,
K. Kamiya
, and
T. Numazawa
Date Uploaded:
19/12/2024
20.
機械学習を活用したエネルギー薄膜材料開発
Description/Abstract:
エネルギー・環境問題は地球規模で緊急を要する共通課題であり、その解決に向けて様々な取り組みが行われています。材料開発分野においても、エネルギー・環境問題に資する高性能材料の探索が精力的に進められてきました。しかしながら、従来型の手法では非常に長い研究開発期間を要することから...
Keyword:
エネルギー
,
材料探索
,
材料開発
,
機械学習
, and
環境問題
Resource Type:
Presentation
Author:
後藤 真宏
Date Uploaded:
18/12/2024
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