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オージェ電子分光法における背面散乱補正 I.広い分析条件で使用可能な電子の背面散乱補正式の開発
Description/Abstract:
AESによる表面定量分析において重要な電子の背面散乱について検討した.電子の背面散乱係数の入射角度依存性,およびそのエネルギーの平均値および中央値について,モンテカルロ(MC)法を用いてBe, B, C, Al, Si, Cu, Zr, Ag, La, Auの10種類の元素...
Keyword:
AES
,
Auger electron spectroscopy
,
electron backscattering correction
, and
predictive formula for back scattering correction
Resource Type:
Article
Author:
田沼 繁夫
Journal:
JOURNAL OF SURFACE ANALYSIS
Date Uploaded:
29/06/2023
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
Large Piezoelectric Effect in Pb-Free Ceramics
Description/Abstract:
We report a non-Pb piezoelectric ceramic system Ba(Ti0.8Zr0.2)O3−(Ba0.7Ca0.3)TiO3 which shows a surprisingly high piezoelectric coefficie...
Keyword:
ferroelectric phase transition
,
Pb-free piezoelectric
,
ferroelectric
,
morphotropic phase boundary
,
piezoelectric material
,
piezoelectriic
, and
tri-critical
Resource Type:
Article
Author:
Wenfeng Liu
and
Xiaobing Ren
Journal:
Physical Review Letters
Date Uploaded:
28/06/2023
Date Modified:
28/06/2023
Electrically Conductive Thermally Insulating Bi-Si Nanocomposites by Interface Design for Thermal Management
Description/Abstract:
We demonstrate, both by experiments and by data informatics, an alternative strategy to achieve ultralow thermal conductivity in a dense ...
Keyword:
thermal insulating thin film, interface thermal resistance, interface design, nanostructuring, nanocomposite, machine learning
Resource Type:
Article
Author:
Yen-Ju Wu
,
Michiko Sasaki
,
Masahiro Goto
,
Lie Fang
, and
Yibin Xu
Journal:
ACS APPLIED NANO MATERIALS
Date Uploaded:
26/06/2023
Integration of X-ray Absorption Fine Structure Databases for Data-Driven Materials Science
Description/Abstract:
With the aim of introducing data-driven science and establishing an infrastructure for making XAFS spectra findable and reusable, we have...
Keyword:
DOI
,
RDF
,
X-ray absorption fine structure
,
data integration
,
materials data repository
, and
metadata
Resource Type:
Article
Author:
Masashi Ishii
Journal:
Science and Technology of Advanced Materials: Methods
Date Uploaded:
08/06/2023
Date Modified:
12/06/2023
Calculations of Electron Inelastic Mean Free Paths for 31 Materials
Description/Abstract:
We present new calculations of electron inelastic mean free paths (IMFPs) for 200-2000 eV electrons in 27 elements (C, Mg, Al, Si, Ti, V,...
Keyword:
Bethe equation
,
IMFP
,
TPP
,
elemental solids
, and
inelastic mean free path
Resource Type:
Article
Author:
Tanuma, S.
,
Powell, C. J.
, and
Penn, D. R.
Journal:
Surface and Interface Analysis
Date Uploaded:
05/06/2023
Date Modified:
09/06/2023
利用性の高い材料データベース構築の仕方
Description/Abstract:
NIMS 無機材料データベースAtomWork-Advを一例として,材料定義と識別の視点から付加価値と利用性の高いデータ収集とデータベース構築の仕方について解説する。
Keyword:
材料データベース、利用性
Resource Type:
Article
Author:
徐 一斌
Journal:
研究開発リーダー
Date Uploaded:
30/05/2023
Calculations of electron inelastic mean free paths.VIII. Data for 15 elemental solids over the 50-2000 eV range
Description/Abstract:
We report calculations of electron inelastic mean free paths (IMFPs) for 50 eV to 2000 eV electrons in 14 elemental solids (Li, Be, diamo...
Keyword:
IMFP
,
Li, Be, diamond, graphite, Na, K, Sc, Ge, In, Sn, Cs, Gd, Tb, Dy, Al
,
TPP-2M equation
,
electron inelastic mean free path
, and
rare-earth elements
Resource Type:
Article
Author:
TANUMA, Shigeo
,
C.J. Powell
, and
D.R. Penn
Journal:
SURFACE AND INTERFACE ANALYSIS
Date Uploaded:
29/05/2023
Date Modified:
30/05/2023
Calculations of Electron Inelastic Mean Free Paths (IMFPs). XIV. Calculated IMFPs for LiF and Si3N4 and Development of an Improved Predictive IMFP Formula
Description/Abstract:
We report inelastic mean free paths (IMFPs) of Si3N4 and LiF for electron energies from 50 eV to 200 keV that were calculated from their ...
Keyword:
IMFP
,
Improved Predictive IMFP Formula
,
JTP equation
,
TPP-2M
, and
electron inelastic mean free path
Resource Type:
Article
Author:
Jablonski, Aleksander
,
Tanuma, Shigeo
, and
Powell, C. Cedric
Journal:
Surface and Interface Analysis
Date Uploaded:
29/05/2023
Date Modified:
06/06/2023
Calculations of electron inelastic mean free paths. V. Data for 14 organic compounds over the 50–2000 eV range
Description/Abstract:
We report calculations of electron inelastic mean free paths (IMFPs) of 50–2000 eV electrons for a group of 14 organic compounds: 26-n-pa...
Keyword:
IMFP
,
IMFP predictive formula
,
Penn algorithm
,
TPP-2M
,
electron inelastic mean free path
, and
organic compounds
Resource Type:
Article
Author:
Shigeo Tanuma
Journal:
Surface and Interface Analysis
Date Uploaded:
29/05/2023
Date Modified:
30/05/2023
Energy Dependence of Electron Stopping Powers in Elemental Solids over the 100 eV to 30 keV Energy Range
Description/Abstract:
We analyzed the energy dependence of electron stopping powers (SPs) calculated for 41 elemental solids from experimental optical data for...
Keyword:
Electron stopping power
,
Elemental solids
,
Energy dependence
, and
Fano plo
Resource Type:
Article
Author:
KUMAGAI, kazuhiro
,
TANUMA, Shigeo
, and
C.J. Powell
Journal:
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
Date Uploaded:
29/05/2023
Nd-Fe-B磁石用プロトタイプ熱力学データベースの構築
Description/Abstract:
For the Nd-Fe-B permanent magnets, a prototype thermodynamic database of the 8-element system (Nd, Fe, B, Al, Co, Cu, Dy, Ga) was constru...
Keyword:
CALPHAD
,
permanent magnet
, and
phase equilibria
Resource Type:
Article
Author:
阿部 太一
,
森下 政夫
,
CHEN Ying
,
SAENGDEEJING Arkapol
,
橋本 清
,
小林 能直
,
大沼 郁雄
,
小山 敏幸
, and
広沢 哲
Journal:
Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
Date Uploaded:
29/05/2023
Calculations of electron stopping powers for 41 elemental solids over the 50 eV to 30 keV range with the full Penn algorithm
Description/Abstract:
We present mass collision electron stopping powers (SPs) for 41 elemental solids (Li, Be, graphite, diamond, glassy C, Na, Mg, Al, Si, K,...
Keyword:
full Penn algorithm
,
41 elemental solids
,
Electron stopping power
, and
energy-loss functions
Resource Type:
Article
Author:
H. Shinotsuka
,
S. Tanuma
,
C.J. Powell
, and
D.R. Penn
Journal:
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
Date Uploaded:
25/05/2023
表面分析における電子の非弾性散乱
Description/Abstract:
This paper describes the recent progress in electron inelastic mean free paths (IMFPs) calculations with the dielectric response function...
Keyword:
IMFP
,
dielectric function model
,
electron inelastic mean free path
,
energy loss function
, and
modified Bethe equation
Resource Type:
Article
Author:
田沼繁夫
Journal:
Vacuum and Surface Science
Date Uploaded:
13/05/2023
Electron Inelastic Scattering in Surface Analysis
Description/Abstract:
This paper discusses the recent progress in electron inelastic mean free paths (IMFPs) calculations with the dielectric response function...
Keyword:
IMFP
,
dielectric function model
,
energy loss function
,
inelastic mean free path
, and
modified Bethe equation
Resource Type:
Article
Author:
Shigeo Tanuma
Journal:
e-Journal of Surface Science and Nanotechnology
Date Uploaded:
13/05/2023
Current Status and Future Scope of Phase Diagram Studies
Description/Abstract:
Starting in the middle of the 19th century, research on alloy phase diagrams progressed into the labor and time-consuming process of cons...
Keyword:
CALPHAD
,
Phase diagrams
, and
Phase equilibria
Resource Type:
Article
Author:
Masanori Enoki
,
Satoshi Minamoto
,
Ikuo Ohnuma
,
Taichi Abe
, and
Hiroshi Ohtani
Journal:
ISIJ International
Date Uploaded:
12/05/2023
Irradiation Temperature Dependence of Shape Elongation of Metal Nanoparticles in Silica: Counterevidence to Ion Hammering Related Scenario
Description/Abstract:
Irradiation temperature (IT) dependence of the elongation efficiency of vanadium nanoparticles (NPs) in SiO2 was evaluated: The samples ...
Keyword:
ion shaping
,
irradiation temperature dependence
,
metal nanoparticle
,
optical linear dichroism spectroscopy
,
shape elongation
,
silica glass
, and
swift heavy ion
Resource Type:
Article
Author:
Hiroshi Amekura
,
Saif Ahmad Khan
,
Pawan Kumar Kulriya
, and
Debdulal Kabiraj
Journal:
Quantum Beam Science
Date Uploaded:
11/05/2023
計算熱力学と組織形成シミュレーションに基づくNd-Fe-B系磁石における粒界相の役割解明
Description/Abstract:
ネオジム磁石の保磁力を効率的に制御するには、構成相尾の熱安定性と熱プロセス中に観察される内部組織変化を理解する必要がある。本研究では、粒界相の熱力学的な特徴と磁石の組織形成を解析した。
Keyword:
Permanent magnets
,
Phase equilibria
, and
Phase field simulations
Resource Type:
Article
Author:
小山 敏幸
,
塚田 祐貴
, and
阿部 太一
Journal:
粉体および粉末冶金
Date Uploaded:
11/05/2023
Enormous CO2 Sorption Capacity of PDMS Rubbers near Condensation Pressure and at Low Temperatures
Description/Abstract:
We report for the first time that PDMS rubber sorbs an extremely large amount of CO2 (792 mg g−1) at near the condensation pressure at a ...
Keyword:
CO2 recovery
,
Flory-Huggins theory
,
PDMS
,
carbon dioxide
,
gas adsorption
,
gas separation
, and
sorption enthalpy
Resource Type:
Article
Author:
Mizuki Inoue
,
Edhuan Ismail
,
Sadaki Samitsu
,
Hirofumi Kanoh
, and
Izumi Ichinose
Journal:
CHEMISTRY LETTERS
Date Uploaded:
11/05/2023
Stabilization of Equiatomic Solutions Due to High-Entropy Effect
Description/Abstract:
The stability of solid-solution phases in FCC and BCC lattices was examined in multi-component alloys based on the CALPHAD technique usin...
Keyword:
CALPHAD
,
High-entropy alloy
, and
High-entropy effect
Resource Type:
Article
Author:
Taichi Abe
,
Kwangsik Han
,
Yumi Goto
,
Ikuo Ohnuma
, and
Toshiyuki Koyama
Journal:
MATERIALS TRANSACTIONS
Date Uploaded:
11/05/2023
Understanding magnetocrystalline anisotropy based on orbital and quadrupole moments
Description/Abstract:
Understanding magnetocrystalline anisotropy (MCA) is fundamentally important for developing novel magnetic materials. Therefore, clarifyi...
Keyword:
magnetocrystalline anisotropy, orbital moment, quadrupole moment, first-principles calculation, spintronics, interface
Resource Type:
Article
Author:
Yoshio Miura
and
Jun Okabayashi
Journal:
Journal of Physics: Condensed Matter
Date Uploaded:
10/05/2023
Mechanism of ion track formation in silicon by much lower energy deposition than the formation threshold
Description/Abstract:
The mechanism of the track formation in crystalline silicon (c-Si) under C60 ion irradiation with the medium energies of 1-9 MeV is discu...
Keyword:
C60 ion
,
ion track
,
silicon
,
swift heavy ion
,
synergy effect
, and
track recrystallization
Resource Type:
Article
Author:
H Amekura
,
K Narumi
,
A Chiba
,
Y Hirano
,
K Yamada
,
S Yamamoto
,
N Ishikawa
,
N Okubo
,
M Toulemonde
, and
Y Saitoh
Journal:
PHYSICA SCRIPTA
Date Uploaded:
10/05/2023
Hidden chemical order in disordered Ba7Nb4MoO20 revealed by resonant X-ray diffraction and solid-state NMR
Description/Abstract:
Herein, we quantitatively determined the Mo/Nb order in the high ion conductor Ba7Nb4MoO20 by a novel technique combining of resonant X-r...
Resource Type:
Article
Author:
Yuta Yasui
,
Masataka Tansho
,
Kotaro Fujii
,
Yuichi Sakuda
,
Atsushi Goto
,
Shinobu Ohki
,
Yuuki Mogami
,
Takahiro Iijima
,
Shintaro Kobayashi
,
Shogo Kawaguchi
,
Keiichi Osaka
,
Kazutaka Ikeda
,
Toshiya Otomo
, and
Masatomo Yashima
Journal:
Nature Communications
Date Uploaded:
10/05/2023
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
Solvent Effects during the Flash-Freezing Fabrication of Mesoporous Polystyrenes
Description/Abstract:
A polymer solution can be flash-frozen to prepare homopolymers with mesoporous structures in a template-free manner. The flash-freezing m...
Keyword:
ice templating
,
nanocrystal
, and
nanoporous polymers
Resource Type:
Article
Author:
Sadaki Samitsu
,
Sirawit Pruksawan
,
Hideaki Yokoyama
, and
Izumi Ichinose
Journal:
Macromolecules
Date Uploaded:
09/05/2023
Date Modified:
10/05/2023
Squeezing Visible Light waves into a 3-nm-thick and 55-nm-long Plasmon Cavity
Description/Abstract:
We demonstrate controlled squeezing of visible light waves into nanometer-sized optical cavities. The light is perpendicularly confined i...
Keyword:
plasmon cavities
,
plasmon resonance
,
plasmonics
,
プラズモニクス
,
プラズモン共振器
, and
プラズモン共鳴
Resource Type:
Article
Author:
Hideki T. Miyazaki
and
Yoichi Kurokawa
Date Uploaded:
28/04/2023
Characterization and properties of green-emitting beta-SiAlON : Eu2+ powder phosphors for white light-emitting diodes
Description/Abstract:
This letter reports a b-SiAlON:Eu2+ green phosphor with the composition of Eu0.00296Si0.41395Al0.01334O0.0044N0.56528. The phosphor powde...
Keyword:
LEDs
,
luminescence
,
oxynitride
, and
phosphor
Resource Type:
Article
Author:
Naoto Hirosaki
,
Rong-Jun Xie
,
Koji Kimoto
,
Takashi Sekiguchi
,
Yoshinobu Yamamoto
,
Takayuki Suehiro
, and
Mamoru Mitomo
Date Uploaded:
28/04/2023
有機半導体材料における光電子収量分光(PYS)データベース構築
Description/Abstract:
有機・無機半導体材料のイオン化ポテンシャルの情報を与える光電子収量分光(PYS)のデジタルデータ ベース構築を行った.検索する際のキー(メタデータ)である,(1)計測機から得られる計測メタデータ,(2)データ解析メタデータ,(3)測定試料や実験手順などを記載した試料・実験...
Keyword:
database
and
photoemission yield spectroscopy (PYS)
Resource Type:
Article
Author:
柳生 進二郎
,
吉武 道子
,
長田 貴弘
,
安田 剛
,
桑島 功
,
劉雨彬
, and
中島嘉之
Date Uploaded:
28/04/2023
Scheme for Achieving a Topological Photonic Crystal by Using Dielectric Material
Description/Abstract:
We derive in the present work topological photonic states purely based on conventional dielectric material by deforming a honeycomb latti...
Keyword:
quantum spin Hall effect
,
semiconductor photonic crystal
, and
topological insulator
Resource Type:
Article
Author:
Long-Hua Wu
and
Xiao Hu
Journal:
Physical Review Letters
Date Uploaded:
28/04/2023
Date Modified:
28/04/2023
Topological Node-Line Semimetal and Dirac Semimetal State in Antiperovskite Cu 3 PdN
Description/Abstract:
Based on first-principles calculation and effective model analysis, we propose that the cubic antiperovskite material Cu3PdN can host a t...
Keyword:
Dirac semimetal
,
antiperovskite
,
nodal line
, and
topological phase
Resource Type:
Article
Author:
Rui Yu
,
Hongming Weng
,
Zhong Fang
,
Xi Dai
, and
Xiao Hu
Journal:
Physical Review Letters
Date Uploaded:
28/04/2023
Date Modified:
28/04/2023
A Comprehensive Review of Semiconductor Ultraviolet Photodetectors: From Thin Film to One-Dimensional Nanostructures
Description/Abstract:
Ultraviolet (UV) photodetectors have drawn extensive attention owing to their applications in industrial, environmental and even biologic...
Keyword:
one-dimensional nanostructures
,
semiconductor
,
thin film
, and
ultraviolet photodetector
Resource Type:
Article
Author:
Liwen Sang
,
Meiyong Liao
, and
Masatomo Sumiya
Date Uploaded:
28/04/2023
Neuromorphic learning, working memory, and metaplasticity in nanowire networks
Description/Abstract:
Nanowire networks (NWNs) mimic the brain’s neurosynaptic connectivity and emergent dynamics. Consequently, NWNs may also emulate the syna...
Keyword:
Neuromorphic
,
Silver nanowire network
,
emergent dynamics
,
learning
,
memory
,
metaplasticity
, and
neurosynaptic connectivity
Resource Type:
Article
Author:
Alon Loeffler
,
Adrian Diaz-Alvarez
,
Ruomin Zhu
,
Natesh Ganesh
,
James M. Shine
,
Tomonobu Nakayama
, and
Zdenka Kuncic
Journal:
Science Advances
Date Uploaded:
28/04/2023
Date Modified:
28/04/2023
Challenges and Breakthroughs in Recent Research on Self-Assembly
Description/Abstract:
The controlled fabrication of nanometer-scale objects is without doubt one of the central issues in current science and technology. Howev...
Keyword:
bottom–up
,
interfaces
,
nanomaterials
,
self-assembly
, and
supermolecules
Resource Type:
Article
Author:
Katsuhiko Ariga
,
Jonathan P Hill
,
Michael V Lee
,
Ajayan Vinu
,
Richard Charvet
, and
Somobrata Acharya
Date Uploaded:
28/04/2023
Numerical atomic basis orbitals from H to Kr
Description/Abstract:
We present a systematic study for numerical atomic basis orbitals ranging from H to Kr, which could be used in large scale O(N) electroni...
Keyword:
DFT
,
LCAO
,
OpenMX
,
benchmark
,
bulks
,
first-principles calculation
,
molecules
, and
numerical atomic basis
Resource Type:
Article
Author:
T. Ozaki
and
H. Kino
Date Uploaded:
28/04/2023
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
Metal doped polyaniline as neuromorphic circuit elements for in-materia computing
Description/Abstract:
Polyaniline-based atomic switches are material building blocks whose nanoscale structure and resultant neuromorphic character provide a n...
Keyword:
Computing
,
Memristor
,
Nanoarchitectonics
,
Neuromorphic
,
Polyanilline
, and
atomic switch
Resource Type:
Article
Author:
R. Higuchi
,
S. Liak
,
H. O. Sillin
,
T. Tsuruoka
,
M. Kunitake
,
T. Nakayama
,
J. K. Gimzewski
, and
A. Z. Stieg
Date Uploaded:
11/04/2023
Extended Mermin Method for Calculating the Electron Inelastic Mean Free Path
Description/Abstract:
We propose an improved method for calculating electron inelastic mean free paths (IMFPs) in solids from experimental energy-loss function...
Keyword:
Mermin method
and
inelastic mean free path
Resource Type:
Article
Author:
B. Da
,
H. Shinotsuka
,
H. Yoshikawa
,
Z. J. Ding
, and
S. Tanuma
Date Uploaded:
11/04/2023
Machine learning approach for the prediction of electron inelastic mean free paths
Description/Abstract:
The prediction of electron inelastic mean free paths (IMFPs) from simple material parameters is a challenging problem in studies using el...
Keyword:
inelastic mean free path
and
machine learning
Resource Type:
Article
Author:
Xun Liu
,
Lihao Yang
,
Zhufeng Hou
,
Bo Da
,
Kenji Nagata
,
Hideki Yoshikawa
,
Shigeo Tanuma
,
Yang Sun
, and
Zejun Ding
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
Observation of Plasmon Energy Gain for Emitted Secondary Electron in Vacuo
Description/Abstract:
Plasmon gain by core-level electrons or elastic electrons observed in past studies seems to be of no practical value in material characte...
Keyword:
Plasmon Energy Gain
and
Secondary Electron
Resource Type:
Article
Author:
Bo Da
,
Jiangwei Liu
,
Yoshitomo Harada
,
Nguyen T. Cuong
,
Kazuhito Tsukagoshi
,
Jin Hu
,
Lihao Yang
,
Zejun Ding
,
Hideki Yoshikawa
, and
Shigeo Tanuma
Date Uploaded:
11/04/2023
Date Modified:
11/04/2023
界面熱抵抗の予測と利用
Description/Abstract:
界面熱抵抗は、ナノ構造材料システムの熱伝導特性に大きく影響を及ぼす可能性があるため、サーマルマネージメントには重要な要素である。本論文は、界面熱抵抗の影響要因を解析し、それを予測するための物理モデルと機械学習モデルについて説明する。さらに、熱抵抗の高い界面を利用し、極小熱伝...
Keyword:
断熱材料、界面、熱抵抗、機械学習
Resource Type:
Article
Author:
徐 一斌
Date Uploaded:
06/04/2023
Measurement of the Low-Energy Electron Inelastic Mean Free Path in Monolayer Graphene
Description/Abstract:
Measuring the electron-transport properties of substrate-supported nanomaterials with the traditional two-point comparison method is diff...
Keyword:
four-point probe technique
,
inelastic mean free path
, and
monolayer graphene
Resource Type:
Article
Author:
Bo Da
,
Yang Sun
,
Zhufeng Hou
,
Jiangwei Liu
,
Nguyen Thanh Cuong
,
Kazuhito Tsukagoshi
,
Hideki Yoshikawa
,
Shigeo Tanuma
,
Jin Hu
,
Zhaoshun Gao
, and
Zejun Ding
Date Uploaded:
04/04/2023
Date Modified:
05/04/2023
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
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
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
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
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
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
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
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HfO2
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InP/GaInAsP multilayer specimens
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41 elemental solids (Li, Be, graphite, diamond, glassy C, Na, Mg, Al, Si, K, Sc, Ti, V, Cr, Fe, Co, Ni, Cu, Ge, Y, Nb, Mo, Ru, Rh, Pd, Ag, In, Sn, Cs, Gd, Tb, Dy, Hf, Ta, W, Re, Os, Ir, Pt, Au, and Bi)
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轟 眞市
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田邉 浩介
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International Center for Materials Nanoarchitectonics (WPI-MANA)
95
Ikumu Watanabe
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Physical Review B
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Journal of Surface Analysis
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Science and Technology of Advanced Materials
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Scientific Reports
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Surface and Interface Analysis
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