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Crystal Electric Field Level Scheme Behind Giant Magnetocaloric Effect for Hydrogen Liquefaction
Description/Abstract:
The relationship between ΔSM and crystal field parameters derived in this study provides new guidelines for searching for compounds with ...
Keyword:
Magnetocaloric effectg
and
Neutron scattering
Resource Type:
Report
Author:
N. Terada
,
H. Mamiya
,
H. Saito
,
T. Nakajima
,
T. D. Yamamoto
,
K. Terashima
,
H. Takeya
,
O. Sakai
,
S. Itoh
,
Y. Takano
,
M. Hase
, and
H. Kitazawa
Journal:
J-PARC MLF Annual Report 2022
Date Uploaded:
20/05/2024
Crystal electric field leading to giant magnetocaloric effect for hydrogen liquefaction
Description/Abstract:
In the present review, we focus on showing relationship between giant magnetocaloric effect and crystal electric field effect, by present...
Keyword:
crystal electric field
,
magnetocaloric effect
, and
neutron scattering
Resource Type:
Article
Author:
寺田 典樹
Journal:
KEK ANNUAL REPORT
Date Uploaded:
10/05/2024
Comparative Studies on [B(HFIP)<sub>4</sub>]-Based Electrolytes with Mono- and Divalent Cations
Description/Abstract:
We conducted comprehensive comparative studies on the representative WCA-based electrolytes incorporating tetrakis(hexafluoro-iso-propoxy...
Keyword:
borate
,
divalent metal
,
electrolyte
,
monovalent metal
, and
stability
Resource Type:
Article
Author:
Toshihiko Mandai
,
Hiroko Naya
, and
Hyuma Masu
Journal:
The Journal of Physical Chemistry C
Date Uploaded:
20/04/2024
Minimal-surface-based multiphase metamaterials with highly variable stiffness
Description/Abstract:
Variable-stiffness materials have a unique ability to change their stiffness reversibly in response to external stimuli or conditions. Ho...
Keyword:
Low-melting-point alloys
,
Mechanical metamaterials
,
Phase transition
,
Shape memory
,
Triply periodic minimal surfaces
, and
Variable-stiffness materials
Resource Type:
Article
Author:
Xiaoyang Zheng
,
Ikumu Watanabe
,
Siqian Wang
,
Ta-Te Chen
, and
Masanobu Naito
Journal:
Materials & Design
Date Uploaded:
12/04/2024
Experiment and Simulation on Mechanical Behavior in 1/2-Scale Demonstration REBCO Coil System of Skeleton Cyclotron for Cancer Therapy
Description/Abstract:
We have introduced the Skeleton Cyclotron, a high- temperature superconducting (HTS) air-core compact cyclotron designed to produce medic...
Keyword:
Cyclotron
,
High-temperature superconducting magnet
,
Mechanical property
, and
No-insulation coil
Resource Type:
Article
Author:
Hiroshi Ueda
,
Ryota Komae
,
Aoi Yamashita
,
Ryota Inoue
,
SeokBeom Kim
,
So Noguchi
,
Tomonori Watanabe
,
Mitsuhiro Fukuda
,
Gen Nishijima
,
Rui Kumagai
, and
Atsushi Ishiyama
Journal:
IEEE Transactions on Applied Superconductivity
Date Uploaded:
01/04/2024
Oxygen – a fatal impurity for reversible magnesium deposition/dissolution
Description/Abstract:
Rechargeable magnesium batteries (RMBs) are promising large-scale stationary energy storage devices. A manufacturing system similar to th...
Keyword:
magnesium
,
deposition/dissolution
,
impurity
,
oxygen
, and
surface treatment
Resource Type:
Article
Author:
Toshihiko Mandai
and
Mariko Watanabe
Journal:
Journal of Materials Chemistry A
Date Uploaded:
19/03/2024
2023 Roadmap on molecular modelling of electrochemical energy materials
Description/Abstract:
Overall, this roadmap originating from 20 groups in 11 countries serves as a gateway for both the experts and the beginners to have a qui...
Keyword:
density-functional theory
,
electrocatalysis
,
electrochemical energy storage
,
electrochemical interfaces
,
machine learning
, and
molecular dynamics simulation
Resource Type:
Article
Author:
Chao Zhang
,
Jun Cheng
,
Yiming Chen
,
Maria K Y Chan
,
Qiong Cai
,
Rodrigo P Carvalho
,
Cleber F N Marchiori
,
Daniel Brandell
,
C Moyses Araujo
,
Ming Chen
,
Xiangyu Ji
,
Guang Feng
,
Kateryna Goloviznina
,
Alessandra Serva
,
Mathieu Salanne
,
Toshihiko Mandai
,
Tomooki Hosaka
,
Mirna Alhanash
,
Patrik Johansson
,
Yun-Ze Qiu
,
Hai Xiao
,
Michael Eikerling
,
Ryosuke Jinnouchi
,
Marko M Melander
,
Georg Kastlunger
,
Assil Bouzid
,
Alfredo Pasquarello
,
Seung-Jae Shin
,
Minho M Kim
,
Hyungjun Kim
,
Kathleen Schwarz
, and
Ravishankar Sundararaman
Journal:
Journal of Physics-Energy
Date Uploaded:
05/03/2024
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
Hybrid Transverse Magneto‐Thermoelectric Cooling in Artificially Tilted Multilayers
Description/Abstract:
In artificially tilted multilayers comprising two different conductors that are alternately and obliquely stacked, transverse thermoelect...
Keyword:
Ettingshausen effect
,
artificially tilted multilayers
,
lock-in thermography
,
magneto-Peltier effect
,
permanent magnets
, and
transverse thermoelectrics
Resource Type:
Article
Author:
Ken‐ichi Uchida
,
Takamasa Hirai
,
Fuyuki Ando
, and
Hossein Sepehri‐Amin
Journal:
Advanced Energy Materials
Date Uploaded:
23/01/2024
UV durability assessment of a thermoplastic epoxy-based hybrid composite rod for structural reinforcement and retrofitting
Description/Abstract:
Recently, a hybrid composite cable has been developed for external strengthening of structures in seismically active zones, containing a ...
Keyword:
Accelerated weathering
,
Hybrid FRP
,
Thermoplastic epoxy
, and
UV resistance
Resource Type:
Article
Author:
Jonathon Tanks
and
Kimiyoshi Naito
Journal:
Journal of Building Engineering
Date Uploaded:
25/12/2023
Direct measurement and verification of cohesive zone model parameters for basalt/PP rods using the transverse tensile test and virtual double cantilever beam test
Description/Abstract:
To further our understanding of failure in thermoplastic-based composite rods, the mode Ⅰ-governed cohesive zone model parameter of a bas...
Keyword:
Cohesion
,
Finite element analysis
,
Tension
, and
Toughness
Resource Type:
Article
Author:
Yuta Tobata
,
Kimiyoshi Naito
, and
Jonathon Tanks
Journal:
POLYMER COMPOSITES
Date Uploaded:
01/12/2023
Date Modified:
15/02/2024
Reliability Evaluation of Novel Core-in-Sheath-Type Carbon/Glass Hybrid Thermoplastic Composite Rods
Description/Abstract:
In the Center of Innovation science and technology based radical innovation and entrepreneurship (COI STREAM) program, “construction of n...
Keyword:
Carbon fiber
,
Glass fiber
,
Hybrid rod
,
Mechanical property
, and
Thermoplastic epoxy
Resource Type:
Article
Author:
Kimiyoshi Naito
,
Hiroyuki Oguma
,
Jonathon Tanks
, and
Chiemi Nagai
Journal:
Materials System
Date Uploaded:
01/12/2023
Characterization of the Static, Creep, and Fatigue Tensile Behavior of Basalt Fiber/Polypropylene Composite Rods for Passive Concrete Reinforcement
Description/Abstract:
Fiber reinforced polymer (FRP) composites are becoming more frequently adopted as so-called “corrosion-resistant” concrete reinforcement ...
Keyword:
Basalt fiber
,
Creep properties
,
Fatigue properties
, and
Thermoplastic composite
Resource Type:
Article
Author:
Jonathon Tanks
,
Kimiyoshi Naito
, and
Hisai Ueda
Journal:
Polymers
Date Uploaded:
28/11/2023
Investigation of a critical separation criterion for mode I-Governed fracture of basalt fiber/polypropylene rods via a modified double cantilever beam test
Description/Abstract:
A new approach using a modified double cantilever beam test was proposed for evaluating the mode Ⅰ-governed critical energy release rate ...
Keyword:
Basalt fiber
,
DCB
,
FRP rod
,
Polypropylene
, and
Separation energy
Resource Type:
Article
Author:
Yuta Tobata
,
Kimiyoshi Naito
, and
Jonathon Tanks
Journal:
COMPOSITE STRUCTURES
Date Uploaded:
28/11/2023
Narrow-band phosphor K2ZnP2O7:Eu2+ discovered using local structure similarity
Description/Abstract:
A new narrow-band emitting phosphor K2ZnP2O7:Eu2+ was discovered by extracting promising crystal structures from a database. Regarding th...
Keyword:
local structure similarity
and
phosphor
Resource Type:
Article
Author:
Shota Takemura
,
Yukinori Koyama
,
Takayuki Nakanishi
,
Shiro Funahashi
,
Naoto Hirosaki
,
Hidekazu Ikeno
, and
Takashi Takeda
Journal:
SCRIPTA MATERIALIA
Date Uploaded:
31/08/2023
Date Modified:
31/08/2023
マテリアルズインテグレーションの挑戦
Description/Abstract:
SIP第1期および第2期にわたって構築してきたマテリアルズインタグレーションのコンセプトと、このもとで実施されてきたMIntシステムの開発について、その全体像を俯瞰するレビューである。計算材料科学とデータ科学を構造材料研究に活用して、欲しい性能から材料・プロセスを設計する逆...
Keyword:
Data-driven research
,
Digital transformation
,
Industry -academia collaboration
,
Integrated Computational Materials Engineering
, and
Structural Materials
Resource Type:
Article
Author:
出村 雅彦
Journal:
TETSU TO HAGANE-JOURNAL OF THE IRON AND STEEL INSTITUTE OF JAPAN
Date Uploaded:
29/06/2023
Date Modified:
29/06/2023
インフラ維持管理のための構造材料技術の開発
Description/Abstract:
NIMSは,第1期SIP「インフラ維持管理・更新・マネジメント技術」に参画し,腐食促進試験法,腐食モニタリング,耐食鉄筋の新材料,高分子系・セメント系補修材料等を開発した.また,コンクリート内部の塩分,pH,酸素濃度,腐食抵抗を同時に長期モニタリングできる「コンクリート内部...
Keyword:
NDE
,
corrosion
, and
infrastructures
Resource Type:
Article
Author:
土谷 浩一
Journal:
AI・データサイエンス論文集
Date Uploaded:
09/05/2023
選択的レーザ溶融法による金属材料造形中に発生する微小欠陥のAEモニタリング
Description/Abstract:
AE波形の連続計測と無線転送が行えるバッテリ駆動の独自開発装置「無線CWM」を用い,SLM造形装置のチャンバにケーブルを貫通させるような改造を加えない簡便な手法で,造形中の微小欠陥の発生をリアルタイムにモニタリングできることが示された.その結果,レーザ強度が高い条件ないし部...
Keyword:
3Dプリンタ
,
アコースティック・エミッション法
,
無線計測
, and
選択的レーザ溶融法
Resource Type:
Article
Author:
伊藤 海太
,
草野 正大
,
出村 雅彦
, and
渡邊 誠
Date Uploaded:
25/04/2023
Detection and location of microdefects during selective laser melting by wireless acoustic emission measurement
Description/Abstract:
Microdefects sometimes form in workpieces fabricated by selective laser melting (SLM). It is difficult to understand the mechanism of gen...
Keyword:
Acoustic emission
,
Crack detection
,
Real-time monitoring
,
Selective laser melting
, and
Wireless monitoring
Resource Type:
Article
Author:
ITO, Kaita
,
KUSANO, Masahiro
,
DEMURA, Masahiko
, and
WATANABE, Makoto
Date Uploaded:
25/04/2023
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AI・データサイエンス論文集
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