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Leveraging Segmentation of Physical Units through a Newly Open Source Corpus
Description/Abstract:
The identification of physical measurements is a recurrent task in material informatics (MI). Quantities and units are contained in unstr...
Keyword:
measurements
,
physical quantities
,
quantities
, and
segmentation
Resource Type:
Presentation
Author:
SUZUKI, Akira
,
TANIFUJI, Mikiko
,
DIEB M. Thear
,
ISHII, Masashi
, and
FOPPIANO, Luca
Date Uploaded:
18/10/2019
Date Modified:
15/06/2020
Leveraging Segmentation of Physical Units through a Newly Open Source Corpus
Description/Abstract:
The identification of physical measurements is a recurrent need in materials informatics (MI). For example, the extraction of superconduc...
Resource Type:
Dataset
Data origin:
informatics and data science
Author:
FOPPIANO, Luca
,
TANIFUJI, Mikiko
,
ISHII, Masashi
,
DIEB M. Thear
, and
SUZUKI, Akira
Date Uploaded:
25/10/2019
Date Modified:
15/06/2020
Photographs of deformed areas after fiber fuse ignition
Description/Abstract:
Initial part of damage train left after a fiber fuse initiation.
Resource Type:
Image
Creator:
TODOROKI, Shin-ichi
Date Modified:
15/06/2020
Liquid electrolyte informatics using an exhaustive search with linear regression
Description/Abstract:
Exploring new liquid electrolyte materials is a fundamental target for developing new high-performance lithium-ion batteries. In contrast...
Keyword:
Gaussian09
,
Li-ion battery
,
materials informatics
,
molecules
,
organic solvents
, and
quantum chemistry calculations
Material/Specimen:
organic solvents
Resource Type:
Dataset
Data origin:
simulations
Author:
SODEYAMA, Keitaro
,
IGARASHI, Yasuhiko
,
NAKAYAMA, Tomofumi
,
TATEYAMA, Yoshitaka
, and
OKADA, Masato
Journal:
Physical Chemistry Chemical Physics
Date Uploaded:
09/09/2020
Date Modified:
30/06/2021
Machine Learning-Based Experimental Design in Materials Science
Description/Abstract:
In materials design and discovery processes, optimal experimental design (OED) algorithms are getting more popular. OED is often modeled ...
Keyword:
Machine learning
,
Materials design
, and
Optimal experiment design
Resource Type:
Part of Book
Author:
Tsuda, Koji
and
Dieb, Thaer M.
Journal:
Nanoinformatics
Date Uploaded:
02/10/2020
Date Modified:
16/10/2020
MDTS: automatic complex materials design using Monte Carlo tree search
Description/Abstract:
Complex materials design is often represented as a black-box combinatorial optimization problem. In this paper, we present a novel python...
Keyword:
Monte Carlo tree search
and
materials design
Resource Type:
Article
Author:
Ju, Shenghong
,
Tsuda, Koji
,
Shiomi, Junichiro
,
Yoshizoe, Kazuki
,
Dieb, Thaer M.
, and
Hou, Zhufeng
Journal:
Science and Technology of Advanced Materials
Date Uploaded:
02/10/2020
Date Modified:
16/10/2020
Structure prediction of boron-doped graphene by machine learning
Description/Abstract:
Heteroatom doping has endowed graphene with manifold aspects of material properties and boosted its applications. The atomic structure de...
Keyword:
Materials design
and
Monte Carlo tree search
Resource Type:
Article
Author:
Hou, Zhufeng
,
Tsuda, Koji
, and
Dieb, Thaer M.
Journal:
The Journal of Chemical Physics
Date Uploaded:
02/10/2020
Date Modified:
16/10/2020
Monte Carlo tree search for materials design and discovery
Description/Abstract:
Materials design and discovery can be represented as selecting the optimal structure from a space of candidates that optimizes a target p...
Keyword:
Materials design and discovery
Resource Type:
Article
Author:
Ju, Shenghong
,
Tsuda, Koji
,
Dieb, Thaer M.
, and
Shiomi, Junichiro
Journal:
MRS Communications
Date Uploaded:
02/10/2020
Date Modified:
16/10/2020
Examples of SQS (special quasirandom structure) models for arbitrary binary bcc (body centered cubic) and hcp (hexagonal close packed) structures
Description/Abstract:
These atomic coordinates are examples of SQS (special quasirandom structure) models for arbitrary binary bcc (body centered cubic) and hc...
Keyword:
Debye model
,
First-principles calculation
,
Sommerfeld model
,
quasi-harmonic vibrational contribution
, and
titanium alloys
Resource Type:
Dataset
Data origin:
simulations
Author:
SAHARA, Ryoji
Date Uploaded:
09/10/2020
Date Modified:
20/10/2020
Materials metadata: as a custom schema, as directories, or in a data package
Description/Abstract:
Metadata for a research dataset can be about the dataset's bibliographic properties as well as their scientific properties. The scientifi...
Keyword:
data platform
,
materials informatics
, and
metadata
Resource Type:
Poster
Author:
MATSUDA, Asahiko
,
TANABE, Kosuke
,
KADOHIRA, Takuya
, and
TANIFUJI, Mikiko
Date Uploaded:
23/10/2020
Date Modified:
01/07/2021
Automatic Experimental Data Collection System Using a Wireless LAN Capable SD Card as an IoT Device
Description/Abstract:
実験・計算・データ科学を融合させた材料の研究開発を推進するマテリアルズインフォマティクス(MI)が推進されているが、実験データの収集については既存データベースのインポートや出版済み論文のデータマイニングに限られる場合が多い。効果的な MI のためには各種装置から自動的に実験...
Keyword:
FlashAir
,
IoT
,
Wi-Fi
, and
data transfer
Resource Type:
Presentation
Author:
MATSUDA, Asahiko
,
YOSHIKAWA, Hideki
, and
CHIKYOW, Toyohiro
Date Uploaded:
23/10/2020
Date Modified:
01/07/2021
Prediction and optimization of epoxy adhesive strength from a small dataset through active learning
Description/Abstract:
Machine learning is emerging as a powerful tool for the discovery of novel high-performance functional materials. However, experimental d...
Keyword:
Machine learning
,
active learning
, and
adhesive
Resource Type:
Article
Author:
Pruksawan, Sirawit
,
Lambard, Guillaume
,
Samitsu, Sadaki
,
Sodeyama, Keitaro
, and
Naito, Masanobu
Journal:
Science and Technology of Advanced Materials
Date Uploaded:
02/01/2021
Date Modified:
18/10/2022
Microbubble flows in superwettable fluidic channels
Description/Abstract:
The control of bubble adhesion underwater is important for various applications, yet the dynamics under flow conditions are still to be u...
Keyword:
microbubble
and
superwettability
Resource Type:
Article
Author:
Doi, Kotaro
,
Naito, Masanobu
, and
Tenjimbayashi, Mizuki
Journal:
RSC Advances
Date Uploaded:
02/01/2021
Date Modified:
18/10/2022
SuperMat: Construction of a linked annotated dataset from superconductors-related publications
Description/Abstract:
A growing number of papers are published in the area of superconducting materials science. However, novel text and data mining (TDM) proc...
Keyword:
machine learning
,
superconductors
, and
tdm
Resource Type:
Dataset
Data origin:
informatics and data science
Author:
DIEB, Sae
,
CASTRO, Pedro
,
ROMARY, Laurent
,
TAKANO, Yoshihiko
,
MENG, Yan
,
UZUKI, Azusa
,
ESPARZA, Miren
,
FOPPIANO, Luca
,
TERASHIMA, Kensei
,
SUZUKI, Akira
, and
IWASAKI, Suguru
Date Uploaded:
07/01/2021
Date Modified:
14/10/2022
SuperMat: Construction of a linked annotated dataset from superconductors-related publications
Description/Abstract:
A growing number of papers are published in the area of superconducting materials science. However, novel text and data mining (TDM) pro...
Keyword:
annotation
,
annotation guidelines
,
dataset
,
superconductors
, and
tdm
Resource Type:
Article
Author:
FOPPIANO, Luca
,
DIEB, Sae
,
SUZUKI, Akira
,
BAPTISTA DE CASTRO, Pedro
,
IWASAKI, Suguru
,
UZUKI, Azusa
,
ESPARZA ECHEVARRIA, Miren Garbine
,
MENG, Yan
,
TERASHIMA, Kensei
,
TAKANO, Yoshihiko
, and
ISHII, Masashi
Date Uploaded:
07/01/2021
Date Modified:
01/07/2021
First-principles calculations of optical constants
Description/Abstract:
The energy loss function (ELF) describes the interaction between electrons and matter in solids. It is essential for understanding quanti...
Keyword:
compound semiconductor
,
energy loss function
,
first-principles calculation
, and
optical constant
Resource Type:
Dataset
Data origin:
simulations
Author:
SHINOTSUKA, Hiroshi
,
YOSHIKAWA, Hideki
, and
TANUMA, Shigeo
Journal:
e-Journal of Surface Science and Nanotechnology
Date Uploaded:
18/01/2021
Date Modified:
07/07/2021
Free Analysis and Visualization Programs for Electrochemical Impedance Spectroscopy Coded in Python
Description/Abstract:
New programs for fitting using an equivalent circuit model and data visualization of electrochemical impedance spectroscopy were develope...
Keyword:
data visualization
,
electrochemical impedance
,
free software
, and
model fitting
Resource Type:
Article
,
Video
, and
Software or Program Code
Author:
SUZUKI, Tohru S.
and
KOBAYASHI, Kiyoshi
Journal:
Electrochemistry
Date Uploaded:
08/02/2021
Date Modified:
10/02/2021
DICE common message format schema
Description/Abstract:
We have defined a common metadata schema for research dataset distribution/exchange/storage, with features for not only system-to-system ...
Keyword:
Materials informatics
,
Data management
,
System architecture
, and
Metadata
Resource Type:
Software or Program Code
Data origin:
informatics and data science
Date Uploaded:
12/05/2021
Date Modified:
26/11/2021
MDR metadata list
Description/Abstract:
MDR stores and manages materials data using a metadata set implemented by referring to the DICE common message format schema, used for co...
Keyword:
Materials informatics
,
Metadata
, and
Data repository
Resource Type:
Software or Program Code
Data origin:
informatics and data science
Date Uploaded:
12/05/2021
Date Modified:
26/11/2021
A universal Bayesian inference framework for complicated creep constitutive equations
Description/Abstract:
Evaluating the creep deformation process of heat-resistant steels is important for improving the energy efficiency of power plants by inc...
Keyword:
Materials science
,
Metals and alloys
, and
Structural materials
Resource Type:
Article
Author:
Mototake, Yoh-ichi
,
Izuno, Hitoshi
,
Nagata, Kenji
,
Demura, Masahiko
, and
Okada, Masato
Journal:
Scientific Reports
Date Uploaded:
15/07/2021
Date Modified:
01/11/2022
Data-based selection of creep constitutive models for high-Cr heat-resistant steel
Description/Abstract:
There are two types of creep constitutive equation, one with a steady-state term (steady-state type) and the other with no steady-state t...
Keyword:
Creep constitutive equation
,
grade 91 steel
,
bayesian free energy
,
model selection method
,
theta method
, and
steady-state creep
Resource Type:
Article
Author:
Izuno, Hitoshi
,
Demura, Masahiko
,
Tabuchi, Masaaki
,
Mototake, Yoh-ichi
, and
Okada, Masato
Journal:
Science and Technology of Advanced Materials
Date Uploaded:
15/07/2021
Date Modified:
01/11/2022
Emergent dynamics of neuromorphic nanowire networks
Description/Abstract:
Neuromorphic networks are formed by random self-assembly of silver nanowires. Silver nanowires are coated with a polymer layer after synt...
Keyword:
Emergent dynamics
,
Neuromorphic network
,
Nanowire
,
Silver nanowire
,
Topology
,
Memory
, and
Neuromorphic computing
Material/Specimen:
Silver (Ag) nanowire coated with polyvinilpirrolydone (PVP)
Resource Type:
Article
Author:
Diaz-Alvarez, Adrian
,
Higuchi, Rintaro
,
Sanz-Leon, Paula
,
Marcus, Ido
,
Shingaya, Yoshitaka
,
Stieg, Adam Z.
,
Gimzewski, James K.
,
Kuncic, Zdenka
, and
Nakayama, Tomonobu
Journal:
Scientific Reports
Date Uploaded:
27/08/2021
Date Modified:
27/08/2021
Environmentally friendly recycling system for epoxy resin with dynamic covalent bonding
Description/Abstract:
Recycling of epoxy resin and its composites is extremely difficult due to its thermoset nature. In this study, we proposed the environmen...
Keyword:
Epoxy resin
,
aromatic disulfide bonding
,
degradation
,
glutathione
, and
recycling
Resource Type:
Article
Author:
TSAI, Hsing-Ying
,
FUJITA, Takehiro
,
WANG, Siqian
, and
NAITO, Masanobu
Journal:
Science and Technology of Advanced Materials
Date Uploaded:
17/11/2021
Date Modified:
01/12/2021
Global snapshot of the effects of the COVID-19 pandemic on the research activities of materials scientists between Spring and Autumn 2020
Description/Abstract:
We conducted a global survey on the effects of the COVID-19 pandemic on the research activities of materials scientists by distributing a...
Keyword:
COVID-19
,
materials science
,
scientific research
,
pandemic
,
lockdown
,
virtual conference
,
COVID-19 survey
,
science careers
,
crisis management
, and
research management
Resource Type:
Report
Author:
SANDHU, Adarsh
,
HANY, Roland
,
HIROHATA, Atsufumi
,
HISHITA, Shunichi
,
KIMLICKA, Ken
,
NAITO, Masanobu
, and
NISHIMURA, Chikashi
Journal:
Science and Technology of Advanced Materials
Date Uploaded:
17/11/2021
Date Modified:
01/12/2021
Strengthening epoxy adhesives at elevated temperatures based on dynamic disulfide bonds
Description/Abstract:
Epoxy resins incorporating aromatic disulfide bonds demonstrated improved adhesive properties with increasing temperature below their gla...
Keyword:
adhesive
Resource Type:
Article
Author:
TSAI, Hsing-Ying
,
NAKAMURA, Yasuyuki
,
FUJITA, Takehiro
, and
NAITO, Masanobu
Journal:
Materials Advances
Date Uploaded:
17/11/2021
Date Modified:
01/11/2022
Mechanochromism of dynamic disulfide bonds as a chromophoric indicator of adhesion strength for epoxy adhesive
Description/Abstract:
We demonstrated that the introduction of disulfide bonds into epoxy adhesive could be used as a facile chromophoric indicator to predict ...
Keyword:
Adhesive
Resource Type:
Article
Author:
TSAI, Hsing-Ying
,
NAKAMURA, Yasuyuki
,
HU, Wei-Hsun
,
FUJITA, Takehiro
, and
NAITO, Masanobu
Journal:
Materials Advances
Date Uploaded:
17/11/2021
Date Modified:
01/12/2021
材料データプラットフォームDICE2.0 - データ創出−蓄積−利用−連携の基盤
Description/Abstract:
材料分野でのデータ駆動型の材料研究の進展のため、物質 ・ 材料研究機構(National Institute for Materials Science, NIMS)は材料データプラットフォームシステムの開発に2017年に着手し、2020年からサービス名 DICE として所...
Keyword:
研究データ
,
データフロー
,
FAIR
,
DICE
,
マテリアル・インフォマティクス
,
語彙管理
, and
データ構造化
Resource Type:
Presentation
Author:
TANIFUJI, Mikiko
,
MATSUDA, Asahiko
, and
YOSHIKAWA, Hideki
Date Uploaded:
02/03/2022
Date Modified:
02/03/2022
NIMSʼs Materials Data Platform DICE and its future direction
Description/Abstract:
To promote data-driven research in the materials science field, the National Institute for Materials Science has been developing a materi...
Keyword:
DICE
,
data platform
,
metadata
,
data management
, and
materials informatics
Resource Type:
Presentation
Author:
MATSUDA, Asahiko
,
KADOHIRA, Takuya
, and
DEMURA, Masahiko
Date Uploaded:
23/03/2022
Date Modified:
24/03/2022
NIMS Materials Data Repositoryにおける研究データへのDOI登録運用
Description/Abstract:
NIMSでは材料データリポジトリ (MDR) を2020年より運用し、研究データセットの登録・公開を推進している。各データセットが有効に利活用・引用されるように検討しながら登録方法やメタデータを定め、DataCite DOIを付与している。ある研究コミュニティによる1700...
Keyword:
data repository
,
FAIR
,
DOI
,
data platform
, and
open science
Resource Type:
Presentation
Author:
MATSUDA, Asahiko
,
TANABE, Kosuke
,
ISHII, Masashi
,
ONODERA, Chie
,
HIROSAWA, Chieko
,
KUWAJIMA, Isao
,
KADOHIRA, Takuya
, and
TANIFUJI, Mikiko
Date Uploaded:
08/06/2022
Date Modified:
08/06/2022
Datasets of aluminum alloys in 5000, 6000, and 7000 series.
Description/Abstract:
Some aluminum alloys data in the 5000, 6000, and 7000 series. Three types of mechanical properties are examined: 0.2% proof stress, tensi...
Keyword:
aluminum alloys
,
0.2% proof stress
,
tensile strength
, and
elongation
Material/Specimen:
aluminum alloys
Resource Type:
Dataset
Data origin:
experiments
Author:
TAMURA, Ryo
,
WATANABE, Makoto
,
MAMIYA, Hiroaki
,
WASHIO, Kota
,
YANO, Masao
,
DANNO, Katsunori
,
KATO, Akira
, and
SHOJI, Tetsuya
Journal:
Science and Technology of Advanced Materials
Date Uploaded:
21/06/2022
Date Modified:
29/06/2022
オープンサイエンス時代の研究者プロフィールサービス ―研究活動の可視化のためにやるべきことはなにか?―
Description/Abstract:
研究機関によって運営される研究者プロフィールサービスは,オープンサイエンスの進展に代表される研究活動の多様化や,Institutional Research の取り組みによって,その目的が研究成果の公開から研究活動の分析のための情報基盤へと広がってきている。本稿では,今後の...
Keyword:
CRIS
,
DOI
,
ORCID
, and
研究者プロフィールサービス
Resource Type:
Article
Author:
田辺 浩介
and
谷藤 幹子
Journal:
情報の科学と技術
Date Uploaded:
19/07/2022
Date Modified:
03/08/2022
Supercon 2 Dataset
Description/Abstract:
The automatic extraction of materials and related properties from the scientific literature is gaining attention in data-driven materials...
Keyword:
tdm
,
materials science
,
superconductors
,
machine learning
, and
dataset
Resource Type:
Dataset
Data origin:
informatics and data science
Author:
Luca Foppiano
Date Uploaded:
11/10/2022
Date Modified:
10/11/2022
Original data for Fig.4.8 in a NIMS Monograph titled "fiber fuse"
Description/Abstract:
In situ images of a fiber fuse in the unstable mode through a SMF-28e fiber pumped at 1480 nm, ~1.3 W light. Speed: 30,000 fps, exposure ...
Keyword:
fiber fuse
and
void formation
Resource Type:
Dataset
Data origin:
experiments
Operator:
TODOROKI, Shin-ichi
Date Uploaded:
14/11/2022
Rapid discovery of new Eu2+-activated phosphors with a designed luminescence color using a data-driven approach
Description/Abstract:
For rapid and efficient development of new phosphors, a suitable method that proposes promising candidates is expected to focus time-cons...
Keyword:
Eu2+
,
emission spectrum
,
luminescence
,
machine learning
,
materials design
, and
phosphor
Resource Type:
Article
Author:
Yukinori Koyama
,
Hidekazu Ikeno
,
Masamichi Harada
,
Shiro Funahashi
,
Takashi Takeda
, and
Naoto Hirosaki
Date Uploaded:
20/01/2023
Date Modified:
25/03/2024
Materials Data Platform: a constellation of systems to promote materials data-oriented science
Description/Abstract:
A constellation of research data systems is being developed, to boost a more data-oriented approach to materials science. Four main funct...
Keyword:
Data-oriented science
,
Database
,
Materials data platform
,
Materials digital transform
,
Materials informatics
,
Metadata
, and
Research data management
Resource Type:
Poster
Author:
MATSUDA Asahiko
,
KADOHIRA Takuya
,
YOSHIKAWA Hideki
,
ISHII Masashi
,
DEMURA Masahiko
, and
TANIFUJI Mikiko
Date Uploaded:
21/01/2023
Date Modified:
30/03/2024
Continuous real-time O 1s core XPS spectra of initial O2 molecule adsorption on polar and m-plane surfaces of GaN
Description/Abstract:
The initial adsorption behavior of different GaN surfaces (the polar Ga-face (+c) and N-face (−c) and the nonpolar (101̅0) (m)-plane) und...
Keyword:
Adsorption
,
GaN
,
Gallium nitride
,
Oxidation
,
SPring-8
, and
XPS
Resource Type:
Dataset
Data origin:
other
Author:
SUMIYA, Masatomo
Date Uploaded:
31/01/2023
Date Modified:
28/02/2023
Virtual heat treatment for γ-γ′ two-phase Ni-Al alloy on the materials Integration system, MInt
Description/Abstract:
Aiming to designing the aging heat treatment conditions to maximize the 0.2 % proof stress of γ-γ′ two-phase Ni-based superalloys, we dev...
Keyword:
Image analysis
,
Ni-Al alloy
,
Phase field simulation
, and
γ-γ′two-phase
Resource Type:
Article
Author:
Toshio Osada
,
Toshiyuki Koyama
,
Dmitry S. Bulgarevich
,
Satoshi Minamoto
,
Makoto Osawa
,
Makoto Watanabe
,
Kyoko Kawagishi
, and
Masahiko Demura
Date Uploaded:
01/02/2023
First-principles phonon calculations with phonopy and phono3py
Description/Abstract:
Harmonic, quasi-harmonic, and anharmonic phonon properties of crystals are getting to be better predicted using first-principles phonon ...
Keyword:
Phonon calculation
Resource Type:
Article
Author:
Atsushi Togo
Date Uploaded:
01/02/2023
Date Modified:
19/03/2024
LO-mode phonon of KCl and NaCl at 300 K by inelastic x-ray scattering measurements and first principles calculations
Description/Abstract:
Longitudinal-optical (LO) mode phonon branches of KCl and NaCl were measured using inelastic x-ray scattering (IXS) at 300 K and calculat...
Keyword:
IXS measurment
and
Phonon calculation
Resource Type:
Article
Author:
Atsushi Togo
,
Hiroyuki Hayashi
,
Terumasa Tadano
,
Satoshi Tsutsui
, and
Isao Tanaka
Date Uploaded:
01/02/2023
First-principles study of the reconstruction of MgM2O4 (M = Mn, Fe, Co) spinel surface
Description/Abstract:
MgM2O4 (M = Mn, Fe, Co) spinels, which transform into rock-salt phases on Mg incorporation, are attractive cathode materials for future M...
Keyword:
Cathode
,
First-principles calculations
,
Mg-battery
,
Spinel Surface
, and
Surface reconstruction
Resource Type:
Article
Author:
Tomoaki Kaneko
,
Yui Fujihara
,
Hiroaki Kobayashi
, and
Keitaro Sodeyama
Date Uploaded:
01/02/2023
Date Modified:
20/03/2024
A material dictionary database to extract information on permanent magnets from scientific articles
Description/Abstract:
In this study, we developed a new information extraction method using a material dictionary database (MDDB), which parses scientific arti...
Keyword:
information extraction
,
database
,
magnetic property
,
materials informatics
,
natural language processing
, and
ontology
Resource Type:
Dataset
Data origin:
informatics and data science
Author:
Akira Suzuki
Date Uploaded:
03/02/2023
Date Modified:
19/03/2024
A high voltage aqueous proton battery using an optimized operation of a MoO3 positive electrode
Description/Abstract:
Aqueous proton batteries have attracted increasing attention owing to their potential of high safety standard, high rate capability, and ...
Keyword:
density functional theory
,
molybdenum trioxide
,
operando x-ray diffraction
, and
proton battery
Resource Type:
Article
Author:
Atsunori Ikezawa
,
KOYAMA, Yukinori
,
Tadaaki Nishizawa
, and
Hajime Arai
Date Uploaded:
03/02/2023
Function Decomposition Tree with Causality-First Perspective and Systematic Description of Problems in Materials Informatics
Description/Abstract:
As interdisciplinary science is flourishing because of materials informatics and additional factors; a systematic way is required for exp...
Keyword:
functional decomposition
,
knowledge sharing
,
materials informatics
, and
ontology
Resource Type:
Report
Author:
Hiori Kino
,
Hieu Chi Dam
,
Takashi Miyake
, and
Riichiro Mizoguchi
Date Uploaded:
08/02/2023
Date Modified:
22/03/2024
Evidence-based data mining method to reveal similarities between materials based on physical mechanisms
Description/Abstract:
Measuring the similarity between materials is essential for estimating their properties and revealing the associated physical mechanisms....
Keyword:
Curie temperature
,
Dempster–Shafer theory
,
evidence theory
,
magnetization
,
mixture of experts
,
physical mechanism
,
similarity evidence
,
transition rare-earth metal binary allloys
, and
visualization
Resource Type:
Article
Author:
Minh-Quyet Ha
,
Duong-Nguyen Nguyen
,
Viet-Cuong Nguyen
,
Hiori Kino
,
Yasunobu Ando
,
Takashi Miyake
,
Thierry Denœux
,
Van-Nam Huynh
, and
Hieu-Chi Dam
Date Uploaded:
08/02/2023
Evidence-based recommender system for high-entropy alloys
Description/Abstract:
Existing data-driven approaches for exploring high-entropy alloys (HEAs) face three challenges: numerous element-combination candidates, ...
Keyword:
recommender system
,
Dempster–Shafer theory
,
evidence theory
, and
high-entropy alloys
Resource Type:
Article
Author:
Minh-Quyet Ha
,
Duong-Nguyen Nguyen
,
Viet-Cuong Nguyen
,
Takahiro Nagata
,
Toyohiro Chikyow
,
Hiori Kino
,
Takashi Miyake
,
Thierry Denœux
,
Van-Nam Huynh
, and
Hieu-Chi Dam
Date Uploaded:
09/02/2023
Date Modified:
29/03/2024
Automatic exhaustive calculations of large material space by Korringa-Kohn-Rostoker coherent potential approximation method — Applied to equiatomic quaternary high entropy alloys
Description/Abstract:
Automatic exhaustive exploration of a large material space by high-performance supercomput- ers is crucial for developing new functional...
Keyword:
AkaiKKR
,
Automatic exhaustive exploration
,
Curie temperature
,
law aquisition
,
magnetization
,
quaternary high entropy alloys
, and
residual resistivity
Resource Type:
Article
Author:
T. Fukushima
,
H. Akai
,
T. Chikyow
, and
H. Kino
Date Uploaded:
09/02/2023
Date Modified:
28/03/2024
Important Descriptors and Descriptor Groups of Curie Temperatures of Rare-earth Transition-metal Binary Alloys
Description/Abstract:
We analyze Curie temperatures of rare-earth transition metal binary alloys with machine learning method. In order to select important de...
Keyword:
Curie temperature
,
binary rare-earth transition metal
,
descriptor importance
,
exhaustive search
,
hierarchical clustering
, and
subgroup relevance analysis
Resource Type:
Article
Author:
Hieu Chi Dam
,
Viet Cuong Nguyen
,
Tien Lam Pham
,
Anh Tuan Nguyen
,
Kiyoyuki Terakura
,
Takashi Miyake
, and
Hiori Kino
Date Uploaded:
10/02/2023
Date Modified:
20/03/2024
CrySPY: a crystal structure prediction tool accelerated by machine learning
Description/Abstract:
We have developed an open-source software called CrySPY, which is a crystal structure prediction tool written in Python 3, ...
Keyword:
evolutionary algorithm
,
Bayesian optimization
,
LAQA
,
crystal structure prediction
, and
first-principles calculations
Resource Type:
Article
Author:
Tomoki Yamashita
,
Shinichi Kanehira
,
Nobuya Sato
,
Hiori Kino
,
Kei Terayama
,
Hikaru Sawahata
,
Takumi Sato
,
Futoshi Utsuno
,
Koji Tsuda
,
Takashi Miyake
, and
Tamio Oguchi
Date Uploaded:
10/02/2023
Date Modified:
02/04/2024
Continuous real-time O 1s core XPS spectra of H2O adsorption on +c Ga-face and m-plane surfaces of GaN
Description/Abstract:
The surface oxidation behavior of different GaN surfaces (the polar Ga-face (+c) and the nonpolar m-plane) under H<sub>2</sub>O vapor amb...
Keyword:
GaN
,
Gallium nitride
,
MOS structure
,
Oxidation
,
SPring-8
,
Surface oxidation
, and
XPS
Resource Type:
Dataset
Data origin:
other
Author:
SUMIYA, Masatomo
Date Uploaded:
14/02/2023
Date Modified:
28/02/2023
材料データプラットフォームのための協働型材料語彙システム展開
Description/Abstract:
材料学の分野ごとの用語の差異の吸収や、材料データに付与するメタデータから参照する概念の特定に用いることを想定した材料語彙システムを構築した。集合知的プロセスを通じて多面的な観点を包含することを目指し、Wikidataプロジェクトで使われているWikibaseソフトウェアを採...
Keyword:
Collaborative intelligence
,
Materials science
,
Metadata
,
Vocabulary
, and
Wikibase
Resource Type:
Poster
Author:
松田 朝彦
,
内藤 裕幸
, and
門平 卓也
Date Uploaded:
15/02/2023
Relationship Extraction with Weakly Supervised Learning Based on Process-Structure-Property-Performance Reciprocity
Description/Abstract:
We developed a computer aided material design system that extracts relationships from natural language texts in weakly labeled data. We b...
Keyword:
Natural language processing
,
knowledge extraction
,
materials informatics
,
relation extraction
, and
weakly supervised learning
Resource Type:
Article
Author:
Takeshi Onishi
,
Takuya Kadohira
, and
Ikumu Watanabe
Date Uploaded:
17/02/2023
Date Modified:
22/03/2024
Effect of Punch Surface Grooves on Microformability of AA6063 Backward Microextrusion
Description/Abstract:
In order to apply conventional forming processes at the micro scale, the size effects caused by material properties and frictional effect...
Keyword:
aluminum alloy
,
grain size
,
microextrusion
,
microtexture
, and
size effect
Resource Type:
Article
Author:
Tatsuya Funazuka
,
Kuniaki Dohda
,
Tomomi Shiratori
,
Ryo Hiramiya
, and
Ikumu Watanabe
Date Uploaded:
28/02/2023
Deep neural network approach to estimate biaxial stress-strain curves of sheet metals
Description/Abstract:
Multiaxial material testing is used to evaluate plastic deformation behavior of sheet metals in multiaxial stress states. A constitutive ...
Keyword:
Aluminum alloy sheets
,
Deep neural network
,
Material modeling
, and
Multiaxial material testing
Resource Type:
Article
Author:
Akinori Yamanaka
,
Ryunosuke Kamijyo
,
Kohta Koenuma
,
Ikumu Watanabe
, and
Toshihiko Kuwabara
Date Uploaded:
28/02/2023
Individual separation of surface, bulk and Begrenzungs effect components in the surface electron energy spectra
Description/Abstract:
We present the first theoretical recipe for the clear and individual separation of surface, bulk and Begrenzungs effect components in sur...
Keyword:
reflection electron energy loss spectroscopy spectrum
Resource Type:
Article
Author:
Lihao Yang
,
Bo Da
,
Károly Tőkési
, and
Z. J. Ding
Date Uploaded:
28/02/2023
Deep-learning-based inverse design of three-dimensional architected cellular materials with the target porosity and stiffness using voxelized Voronoi lattices
Description/Abstract:
Architected cellular materials are a class of artificial materials with cellular architecture-dependent properties. Typically, designing ...
Keyword:
Architected materials
,
Voronoi lattices
,
finite element simulation
,
generative adversarial network
,
inverse design
, and
mechanical properties
Resource Type:
Article
Author:
Xiaoyang Zheng
,
Ta-Te Chen
,
Xiaoyu Jiang
,
Masanobu Naito
, and
Ikumu Watanabe
Date Uploaded:
28/02/2023
Virtual substrate method for nanomaterials characterization
Description/Abstract:
Characterization techniques available for bulk or thin-film solid-state materials have been extended to substrate-supported nanomaterials...
Keyword:
Virtual substrate method
Resource Type:
Article
Author:
Bo Da
,
Jiangwei Liu
,
Mahito Yamamoto
,
Yoshihiro Ueda
,
Kazuyuki Watanabe
,
Nguyen Thanh Cuong
,
Songlin Li
,
Kazuhito Tsukagoshi
,
Hideki Yoshikawa
,
Hideo Iwai
,
Shigeo Tanuma
,
Hongxuan Guo
,
Zhaoshun Gao
,
Xia Sun
, and
Zejun Ding
Date Uploaded:
28/02/2023
Numerical calculation and finite element analysis for anisotropic elastic properties of carbon fibers: Dependence of integration subinterval and mesh size on indentation-derived elastic modulus
Description/Abstract:
The elastic modulus measured by indentation of carbon fibers with various anisotropic elasticity is calculated by two numerical approache...
Keyword:
Vlassak–Nix model
,
anisotropic elasticity
,
finite element method
,
indentation
, and
numerical integration
Resource Type:
Article
Author:
Kenta Goto
,
Kimiyoshi Naito
,
Keiichi Shirasu
, and
Ikumu Watanabe
Date Uploaded:
28/02/2023
Controllable inverse design of auxetic metamaterials using deep learning
Description/Abstract:
As typical mechanical metamaterials with negative Poisson's ratios, auxetic metamaterials exhibit counterintuitive auxetic behaviors tha...
Keyword:
Additive manufacturing
,
Generative adversarial network
,
Metamaterial
,
Negative Poisson’s ratio
, and
Voronoi tessellation
Resource Type:
Article
Author:
Xiaoyang Zheng
,
Ta-Te Chen
,
Xiaofeng Guo
,
Sadaki Samitsu
, and
Ikumu Watanabe
Date Uploaded:
28/02/2023
Effect of Punch Surface Microtexture on the Microextrudability of AA6063 Micro Backward Extrusion
Description/Abstract:
To apply conventional forming processes to microscale processing, the influence of size effects caused by material properties and frictio...
Keyword:
aluminum alloy
,
microextrusion
,
microtexture
,
size effect
, and
tribology
Resource Type:
Article
Author:
Tatsuya Funazuka
,
Kuniaki Dohda
,
Tomomi Shiratori
,
Syunsuke Horiuchi
, and
Ikumu Watanabe
Date Uploaded:
28/02/2023
Origin of phase stability in Fe with long-period stacking order as an intermediate phase in cyclic γ−ε martensitic transformation
Description/Abstract:
A class of Fe-Mn-Si based alloys was found to exhibit a reversible martensitic transformation between the gamma (fcc) and epsilon (hcp) p...
Resource Type:
Article
Author:
Takao Tsumuraya
,
Ikumu Watanabe
, and
Takahiro Sawaguchi
Date Uploaded:
28/02/2023
Tensile deformation behavior of TRIP-aided bainitic ferrite steel in the post-necking strain region
Description/Abstract:
This study validated the methods for the evaluation of stress triaxiality using finite element (FE) simulations. The FE simulations traci...
Keyword:
Advanced high-strength steel
,
finite element simulation
,
large strain
,
small round-bar tensile test
,
stress-triaxiality
, and
synchrotron X-ray diffraction
Resource Type:
Article
Author:
Takashi Matsuno
,
Tomohiko Hojo
,
Ikumu Watanabe
,
Ayumi Shiro
,
Takahisa Shobu
, and
Kentaro Kajiwara
Date Uploaded:
28/02/2023
Thermal stability investigation for Ohmic contact properties of Pt, Au, and Pd electrodes on the same hydrogen-terminated diamond
Description/Abstract:
Here, thermal stabilities for Ohmic contact properties of Pt, Au, and Pd on the same hydrogen-terminated diamond (H-diamond) epitaxial la...
Keyword:
thermal stabilities for Ohmic contact properties
Resource Type:
Article
Author:
Xiaolu Yuan
,
Jiangwei Liu
,
Siwu Shao
,
Jinlong Liu
,
Junjun Wei
,
Bo Da
,
Chengming Li
, and
Yasuo Koide
Date Uploaded:
28/02/2023
A mathematically defined 3D auxetic metamaterial with tunable mechanical and conduction properties
Description/Abstract:
An auxetic metamaterial is a type of mechanical metamaterial that has negative Poisson's ratio. Most auxetic metamaterials are truss-base...
Keyword:
3D printing
,
Electroless plating
,
Metamaterial
,
Minimal surface
, and
Negative Poisson’s ratio
Resource Type:
Article
Author:
Xiaoyang Zheng
,
Xiaofeng Guo
, and
Ikumu Watanabe
Date Uploaded:
28/02/2023
Characterization of the Strain-Rate-Dependent Plasticity of Alloys Using Instrumented Indentation Tests
Description/Abstract:
Instrumented indentation tests are an efficient approach to characterize stress--strain curves instead of tensile or compression tests an...
Keyword:
finite elements
,
instrumented indentation test
,
mechanical testing
, and
strain-rate-dependent plasticity
Resource Type:
Article
Author:
Ta-Te Chen
,
Ikumu Watanabe
, and
Tatsuya Funazuka
Date Uploaded:
28/02/2023
Reprogrammable flexible mechanical metamaterials
Description/Abstract:
Mechanical metamaterials are artificial structures with structure-dependent properties. They often harness zero-energy deformation modes....
Keyword:
Buckling
,
Imperfection
,
Mechanical metamaterials
,
Negative Poisson’s ratios
,
Shape-memory polymers
, and
Soft robotics
Resource Type:
Article
Author:
Xiaoyang Zheng
,
Koichiro Uto
,
Wei-Hsun Hu
,
Ta-Te Chen
,
Masanobu Naito
, and
Ikumu Watanabe
Date Uploaded:
28/02/2023
Reliable Ohmic Contact Properties for Ni/Hydrogen-Terminated Diamond at Annealing Temperature up to 900 °C
Description/Abstract:
Ohmic contact with high thermal stability is essential to promote hydrogen-terminated diamond (H-diamond) based electronic devices for hi...
Keyword:
Ni
,
high-temperature
,
hydrogen-terminated diamond (H-diamond)
,
ohmic contact
, and
specific contact resistance
Resource Type:
Article
Author:
Xiaolu Yuan
,
Jiangwei Liu
,
Jinlong Liu
,
Junjun Wei
,
Bo Da
,
Chengming Li
, and
Yasuo Koide
Date Uploaded:
28/02/2023
Data-driven estimation of plastic properties of alloys using neighboring indentation test
Description/Abstract:
A data-driven estimation method for the plastic properties of alloys was proposed using indentations at neighboring positions. An instrum...
Keyword:
Elastic-plastic material
,
finite element method
,
instrumented indentation test
,
material database
,
mechanical testing
, and
response surface
Resource Type:
Article
Author:
Ta-Te Chen
,
Ikumu Watanabe
,
Dayuan Liu
, and
Kenta Goto
Date Uploaded:
28/02/2023
Data-driven estimation of plastic properties in work-hardening model combining power-law and linear hardening using instrumented indentation test
Description/Abstract:
In this study, a method for determining the additional material constant in a modified work-hardening model combining power-law and linea...
Keyword:
Elastic-plastic material
,
finite element method
,
instrumented indentation test
,
material database
, and
response surface
Resource Type:
Article
Author:
Ta-Te Chen
and
Ikumu Watanabe
Date Uploaded:
28/02/2023
Analysis of Nano-hardness Distribution Near the Ferrite-martensite Interface in a Dual Phase Steel with Factorization of Its Scattering Behavior
Description/Abstract:
We investigated the local preliminary hardening of ferrite near the ferrite–martensite interfaces in a dual-phase (DP) steel. Geometrical...
Keyword:
dual phase steel
,
grains and interfaces
,
nanoindentation
,
scattering
, and
serial sectioning
Resource Type:
Article
Author:
Reon Ando
,
Takashi Matsuno
,
Tomoko Matsuda
,
Norio Yamashita
,
Hideo Yokota
,
Kenta Goto
, and
Ikumu Watanabe
Date Uploaded:
28/02/2023
Anisotropic Multiscale Modelling in SAE-AISI 1524 Gas Tungsten Arc Welded Joints
Description/Abstract:
A transient non-linear multiscale finite element heat flow-mechanical model to determine micro residual stresses (type III) and micro pla...
Keyword:
GTA welding
,
anisotropy
,
digital microstructure code
,
micro residual stresses
,
sub-modeling
, and
thermal gradients
Resource Type:
Article
Author:
Edison A. Bonifaz
and
Ikumu Watanabe
Date Uploaded:
28/02/2023
Inverse estimation approach for elastoplastic properties using the load-displacement curve and pile-up topography of a single Berkovich indentation
Description/Abstract:
An approach for the inverse estimation of the elastoplastic properties from a single indentation with a Berkovich indenter was developed....
Keyword:
Elastic-plastic material
,
Finite elements
,
Indentation
,
Inverse analysis
, and
Mechanical testing
Resource Type:
Article
Author:
Kenta Goto
,
Ikumu Watanabe
, and
Takahito Ohmura
Date Uploaded:
02/03/2023
Stress mapping reveals extrinsic toughening of brittle carbon fiber in polymer matrix
Description/Abstract:
We conducted an in situ study on CFRP fracturing process using atomic-force-microscopybased stress-sensitive indentation. Tensile stress ...
Keyword:
AFM
,
CFRP
,
Stress
, and
indentation
Resource Type:
Article
Author:
Hongxin Wang
,
Han Zhang
,
Kenta Goto
,
Ikumu Watanabe
,
Hideaki Kitazawa
,
Masamichi Kawai
,
Hiroaki Mamiya
, and
Daisuke Fujita
Date Uploaded:
02/03/2023
Stress dependence of indentation modulus for carbon fiber in polymer composite
Description/Abstract:
Elastic modulus measured through atomic force microscopy (AFM)-based indentation on single carbon fiber (CF) is found with dependence on ...
Keyword:
Atomic force microscopy
and
indentation
Resource Type:
Article
Author:
Hongxin Wang
,
Han Zhang
,
Daiming Tang
,
Kenta Goto
,
Ikumu Watanabe
,
Hideaki Kitazawa
,
Masamichi Kawai
,
Hiroaki Mamiya
, and
Daisuke Fujita
Date Uploaded:
02/03/2023
Topological alternation from structurally adaptable to mechanically stable crosslinked polymer
Description/Abstract:
Stimuli-responsive polymers with complicated but controllable shape-morphing behaviors are critically desirable in several engineering f...
Keyword:
Covalent adaptable network polymer
,
creep deformation
,
shape-morphing polymer material
, and
topological alternation
Resource Type:
Article
Author:
Wei-Hsun Hu
,
Ta-Te Chen
,
Ryo Tamura
,
Kei Terayama
,
Siqian Wang
,
Ikumu Watanabe
, and
Masanobu Naito
Date Uploaded:
02/03/2023
Multiscale analysis of mechanical behavior of multilayer steel structures fabricated by wire and arc additive manufacturing
Description/Abstract:
The mechanical behavior of multilayer steel structures fabricated via wire and arc additive manufacturing (WAAM) has been investigated fr...
Keyword:
Wire and arc additive manufacturing
,
finite element method
,
instrumented indentation
,
multiscale characterization
, and
stainless steel
Resource Type:
Article
Author:
Ikumu Watanabe
,
Zhengzhong Sun
,
Houichi Kitano
, and
Kenta Goto
Date Uploaded:
02/03/2023
Crosslinked Sulfonated Polyphenylsulfone (CSPPSU) Membranes for Elevated-Temperature PEM Water Electrolysis
Description/Abstract:
In order to reduce the burden on the environment, there is a need to develop non-fluorinated electrolyte membranes as alternatives to flu...
Keyword:
CSPPSU membrane
,
PEM water electrolysis
,
elevated temperature
,
engineering plastic PPSU
, and
hydrocarbon electrolytes
Resource Type:
Article
Author:
Jedeok Kim
and
Akihiro Ohira
Date Uploaded:
03/03/2023
Water Electrolysis Using a Porous IrO2/Ti/IrO2 Catalyst Electrode and Nafion Membranes at Elevated Temperatures
Description/Abstract:
Porous IrO2/Ti/IrO2 catalyst electrodes were obtained by coating IrO2 on three types of porous Ti powder sheets (sample 1, sample 2, and ...
Keyword:
elevated temperature
,
nafion membrane
,
polymer electrolyte
,
porous IrO2/Ti/IrO2 catalyst electrode
, and
water electrolysis
Resource Type:
Article
Author:
Je-Deok Kim
and
Akihiro Ohira
Date Uploaded:
03/03/2023
Dissimilarity measure of local structure in inorganic crystals using Wasserstein distance to search for novel phosphors
Description/Abstract:
To efficiently search for novel phosphors, we propose a dissimilarity measure of Local Structure using the Wasserstein distance. This sim...
Keyword:
Wasserstein distance
,
local structure
,
phosphors
, and
similarity measure
Resource Type:
Article
Author:
Shota Takemura
,
Takashi Takeda
,
Takayuki Nakanishi
,
Yukinori Koyama
,
Hidekazu Ikeno
, and
Naoto Hirosaki
Date Uploaded:
03/03/2023
Chemically Crosslinked Sulfonated Polyphenylsulfone (CSPPSU) Membranes for PEM Fuel Cells
Description/Abstract:
Sulfonated polyphenylsulfone (SPPSU) with a high ion exchange capacity (IEC) was synthesized using commercially available PPSU, and a lar...
Keyword:
CSPPSU
,
High IEC
,
activation
,
PEMFCs
, and
PPSU
Resource Type:
Article
Author:
Je-Deok Kim
,
Akihiro Ohira
, and
Hidenobu Nakao
Date Uploaded:
03/03/2023
Narrow-Band Emitting Phosphor Na2Cs2Sr(B9O15)2:Eu2+ Discovered from Local Structure Similarity with Sulfate Phosphor
Description/Abstract:
Narrow-band emitting phosphors are required to improve performance of phosphor-converted light-emitting diodes. Here, we found a new narr...
Keyword:
Eu2+
,
local structure similarity
,
narrow-band emission
, and
phosphor
Resource Type:
Article
Author:
Shota Takemura
,
Yukinori Koyama
,
Takayuki Nakanishi
,
Shiro Funahashi
,
Naoto Hirosaki
,
Hidekazu Ikeno
, and
Takashi Takeda
Date Uploaded:
09/03/2023
Design of transparent thermal insulating thin films of nanoscale-layered oxides
Description/Abstract:
In industrial application, one of the important features for thermal insulating films in electronic devices is transparency. In order to ...
Keyword:
thin film, oxides, thermal insulating, nanoscale
Resource Type:
Presentation
Author:
WU, Yen-Ju
and
XU, Yibin
Date Uploaded:
17/03/2023
Modification of aluminum current collectors with laser-scribed graphene for enhancing the performance of lithium ion batteries
Description/Abstract:
In this study, the graphene-modified Al foils have been prepared to assemble lithium ion batteries (LIBs). The graphene-modified Al foils...
Keyword:
Graphene, Laser irradiation, Current collector, Lithium ion battery
Resource Type:
Article
Author:
Er-Chieh Cho
,
Cai-Wan Chang-Jian
,
Yen-Ju Wu
,
Szu-Han Chao
,
Jen-Hsien Huang
,
Kuen-Chan Lee
,
Huei Chu Weng
, and
Shih-Chieh Hsu
Date Uploaded:
17/03/2023
Essential structural and experimental descriptors for bulk and grain boundary conductivities of Li solid electrolytes
Description/Abstract:
We present a computational approach for identifying the important descriptors of the ionic conductivities of lithium solid electrolytes. ...
Keyword:
Ionic conductivity
,
machine learning
,
grain boundary
,
ionic conductor
,
Li battery
,
grain size
, and
descriptor
Resource Type:
Article
Author:
Yen-Ju Wu
,
Takehiro Tanaka
,
Tomoyuki Komori
,
Mikiya Fujii
,
Hiroshi Mizuno
,
Satoshi Itoh
,
Tadanobu Takada
,
Erina Fujita
, and
Yibin Xu
Date Uploaded:
21/03/2023
Date Modified:
23/03/2023
Tutorial for conditional generative adversarial network
Description/Abstract:
This tutorial aims to give an introduction of how to use a deep generative model, conditional generative adversarial network (CGAN). The ...
Keyword:
Deep learning; Generative adversarial network; Inverse design; Microstructure; Mechanical metamaterial
Resource Type:
Software
Data origin:
informatics and data science
Author:
Xiaoyang Zheng
,
Ta-Te Chen
,
Xiaofeng Guo
,
Sadaki Samitsu
, and
Ikumu Watanabe
Journal:
Materials & Design
Date Uploaded:
21/03/2023
Physical and chemical descriptors for predicting interfacial thermal resistance
Description/Abstract:
Heat transfer at interfaces plays a critical role in material design and device performance. Higher interfacial thermal resistances (ITRs...
Keyword:
interfacial thermal resistance, machine learning, database, descriptor
Resource Type:
Article
Author:
Yen-Ju Wu
,
Tianzhuo Zhan
,
Zhufeng Hou
,
Lei Fang
, and
Yibin Xu
Date Uploaded:
21/03/2023
Study on thermoelectric property optimization of mixed-phase bismuth telluride thin films deposited by co-evaporation process
Description/Abstract:
The development of Bi2Te3 thin films has huge potential in the pursuit of efficient thermoelectric micro/nanodevices due to their high Se...
Keyword:
Bi2Te3, Thermoelectric properties, Co-evaporation, Thin films, Mixed phases
Resource Type:
Article
Author:
Yen-Ju Wu
,
Shih-Chieh Hsu
,
Ya-Cheng Lin
,
Yibin Xu
,
Tung-Han Chuang
, and
Sheng-Chi Chen
Date Uploaded:
21/03/2023
Predicting interfacial thermal resistance by machine learning
Description/Abstract:
Lots of factors affect the interfacial thermal resistance (ITR), making ITR prediction a high-dimensional mathematical problem. Machine l...
Keyword:
interfacial thermal resistance, machine learning, thermal management
Resource Type:
Article
Author:
Yen-Ju Wu
,
Lei Fang
, and
Yibin Xu
Date Uploaded:
21/03/2023
Tuning Interfacial Thermal and Electrical Conductance across a Metal/MoS2 Monolayer through N‐Methyl‐2‐pyrrolidone Wet Cleaning
Description/Abstract:
Extensive effort has been dedicated to developing two-dimensional (2D) materials as an alternative to Si-based semiconductor technology. ...
Keyword:
electrical conductance, interfacial thermal resistances, molybdenum disulfide, monolayers, wet cleaning
Resource Type:
Article
Author:
Yen‐Ju Wu
,
Yann‐Wen Lan
,
Shih‐Chieh Hsu
,
Chen‐Hao Yeh
,
Yu‐Seng Ku
,
Jyh‐Chiang Jiang
, and
Yibin Xu
Date Uploaded:
22/03/2023
Interfacial thermal management of inorganic thin films from predictions to applications via materials informatics
Description/Abstract:
Interfacial heat transfer plays a crucial role in materials design and device performance. High interfacial thermal resistances (ITRs) af...
Keyword:
thin film, materials informatics, Interfacial thermal management
Resource Type:
Presentation
Author:
WU, Yen-Ju
and
XU, Yibin
Date Uploaded:
24/03/2023
Ultrathin Electrolyte Membranes with PFSA-Vinylon Intermediate Layers for PEM Fuel Cells
Description/Abstract:
We prepared ultra-thin PFSA/PFSA-vinylon/PFSA laminated electrolyte membranes (thickness = 10 μm) for fuel cells without using a reinforc...
Keyword:
PFSA ionomers
,
PFSA-vinylon
,
THIN membrane
,
fuel cells
, and
lamination
Resource Type:
Article
Author:
Jedeok KIM
,
Kazuya Yamasaki
,
Hitoshi Ishimoto
, and
Yusuke Takata
Date Uploaded:
29/03/2023
Crosslinked Sulfonated Polyphenylsulfone-Vinylon (CSPPSU-vinylon) Membranes for PEM Fuel Cells from SPPSU and Polyvinyl Alcohol (PVA)
Description/Abstract:
Acrosslinked sulfonated polyphenylsulfone (CSPPSU) polymer and polyvinyl alcohol (PVA) were thermally crosslinked; then, a CSPPSU-vinylon...
Keyword:
CSPPSU-vinylon
,
PEMFCs
,
PPSU
,
PVA
, and
SPPSU
Resource Type:
Article
Author:
Je-Deok Kim
,
Satoshi Matsushita
, and
Kenji Tamura
Date Uploaded:
29/03/2023
A novel imogolite-reinforced sulfonated polyphenylsulfone as proton exchange membrane in fuel cell applications
Description/Abstract:
The high ion exchange capacity of sulfonated polyphenylsulfone (SPPSU) consists of nanotubular inorganic clay that was developed as a pro...
Keyword:
Crosslinking
,
Highly sulfonated polyphenylsulfone
,
Imogolite
,
Inorganic clay
, and
Proton exchange membrane
Resource Type:
Article
Author:
Nor Azureen Mohamad Nor
,
Kenji Tamura
,
Juhana Jaafar
,
Je-Deok Kim
,
Ahmad Fauzi Ismail
,
Mohd Hafiz Dzarfan Othman
, and
Mukhlis A. Rahman
Date Uploaded:
30/03/2023
Redox-Flow Battery Operating in Neutral and Acidic Environments with Multielectron-Transfer-Type Viologen Molecular Assembly
Description/Abstract:
Recently, redox flow batteries (RFBs) have attracted attention as a large-scale energy storage technology. To improve their energy densit...
Keyword:
aqueous solution
,
dendritic structure
,
molecular assembly
,
organic molecules
,
redox flow battery
, and
viologen
Resource Type:
Article
Author:
Akihiro Ohira
,
Takashi Funaki
,
Erika Ishida
,
Je-Deok Kim
, and
Yukari Sato
Date Uploaded:
30/03/2023
IMPROVED PROPERTIES OF SULFONATED OCTAPHENYL POLYHEDDRAL SILSEQUIOXANE CROSSLINK WITH HIGHLY SULFONATED POLYPHENYLSULFONE AS PROTON EXCHANGE MEMBRANE
Description/Abstract:
This study explored the concept of improving the properties of the crosslinked membrane using a 1.5 nm closed cage octaphenyl polyhedral ...
Keyword:
Cross-linking
,
Fuel cell
,
Proton exchange membrane
,
Sulfonated POSS
, and
Sulfonated PPSU
Resource Type:
Article
Author:
Nor Azureen Mohamad Nor
,
Juhana Jaafar
, and
Je-Deok Kim
Date Uploaded:
30/03/2023
Impact of Telechelic Polymer Precursors on the Viscoelastic Properties of Vitrimers
Description/Abstract:
結合交代性を有する架橋高分子材料ビトリマーについて、合成原料として架橋反応点の位置が規定されたテレケリックポリマーを用いた場合、反応点が規定されていないランダムポリマーに対して大きく粘弾性特性が異なることを明らかにした。テレケリックポリマーから得られたビトリマーは昇温により...
Keyword:
Crosslink polymer
,
Dynamic covalent bond
,
Reversible-deactivation radical polymerization
,
Telechelic polymer
,
Viscoelasticity
, and
Vitrimer
Resource Type:
Article
Author:
Yasuyuki Nakamura
,
Mizuki Tenjimbayashi
,
Akinori Moriya
, and
Masanobu Naito
Date Uploaded:
30/03/2023
Date Modified:
03/04/2023
Passivation of Bulk and Interface Defects in Sputtered-NiOx‑BasedPlanar Perovskite Solar Cells: A Facile Interfacial EngineeringStrategy with Alkali Metal Halide Salts
Description/Abstract:
This dataset is part of the photoelectron Yield Spectroscopy Database.
Keyword:
PYS
and
Photoelectron yield spectroscopy
Resource Type:
Dataset
Data origin:
experiment
Author:
Yanagida Masatoshi
Date Uploaded:
11/04/2023
SuperCon Ontology
Description/Abstract:
"SuperCon Ontology" is the basic conceptual structure of SuperCon RDF (https://doi.org/10.48505/nims.3872), which is published in this co...
Keyword:
Ontology
,
RDF
,
SPARQL
,
Semantic Web
,
SuperCon
, and
Superconductors
Resource Type:
Dataset
Data origin:
informatics and data science
Author:
Masashi Ishii
Date Uploaded:
11/04/2023
SuperCon RDF Ver. 1.0
Description/Abstract:
"SuperCon RDF" is an RDF version of the datasheets published in this collection based on the SuperCon Ontology (https://doi.org/10.48505/...
Keyword:
Ontology
,
RDF
,
SPARQL
,
Semantic Web
,
SuperCon
, and
Superconductors
Resource Type:
Dataset
Data origin:
informatics and data science
Author:
Masashi Ishii
Date Uploaded:
11/04/2023
Date Modified:
19/07/2023
Ambipolar to Unipolar Irreversible Switching in NanosheetTransistors: The Role of Ferrocene in Fullerene/FerroceneNanosheets
Description/Abstract:
This dataset is part of the photoelectron Yield Spectroscopy Database.
Keyword:
PYS
and
Photoelectron yield spectroscopy
Resource Type:
Dataset
Data origin:
experiment
Author:
Wakahara Takatsugu
Date Uploaded:
11/04/2023
Evaluation of dielectric function models for calculation of electron inelastic mean free path
Description/Abstract:
This work investigates the detailed difference between dielectric function models, the Mermin model and the full Penn algorithm (FPA) mod...
Keyword:
Mermin model
,
electron inelastic mean free path
, and
plasmon lifetime
Resource Type:
Article
Author:
B. Da
,
X. Liu
,
L. H. Yang
,
J. M. Gong
,
Z. J. Ding
,
H. Shinotsuka
,
J. W. Liu
,
H. Yoshikawa
, and
S. Tanuma
Date Uploaded:
11/04/2023
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