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Regulation of Te oxide layer on a CdZnTe film for adjusting surface contact of a CdZnTe-based device
Description/Abstract:
The control of the interface states between the electric contacts and semiconductor is a key issue to develop high-performance functional...
Keyword:
CdZnTe
,
contact
, and
surface
Resource Type:
Article
Author:
Zilong Zhang
,
Keyun Gu
,
Tianyu Zou
,
Jian Huang
,
Ke Tang
,
Yue Shen
,
Haitao Ye
,
Meiyong Liao
, and
Linjun Wang
Journal:
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
Date Uploaded:
21/12/2023
Tethering Organic Disulfides to Layered Silicates: A Versatile Strategy for Photo-Controllable Dynamic Chemistry and Functionalization
Description/Abstract:
The dynamic covalent chemistry of molecular disulfides has been studied extensively in solution, but their reactivity when confined to na...
Keyword:
Disulfide chemistry
,
Layered silicates
, and
Photo-reactivity
Resource Type:
Article
Author:
Jonathon Tanks
,
Takashi Hiroi
,
Kenji Tamura
, and
Kimiyoshi Naito
Journal:
Bulletin of the Chemical Society of Japan
Date Uploaded:
12/12/2023
Date Modified:
15/02/2024
Color-Controlled Nonstoichiometric Spinel-Type Cobalt Gallate Nanopigments Prepared by Supercritical Hydrothermal Synthesis
Description/Abstract:
Spinel-type inorganic pigments with intensive color and chemical/thermal stability are showing extensive applications that could be furth...
Keyword:
cobalt callate
,
pigment
, and
supercritical hydrothermal synthesis
Resource Type:
Article
Author:
Bo Xie
,
Chiya Numako
,
Takashi Naka
, and
Seiichi Takami
Journal:
DALTON TRANSACTIONS
Date Uploaded:
09/12/2023
Interfacial charge transfer and electronic structure of diamond/c-BN heterointerface
Description/Abstract:
In this work, the interfacial structures and electronic properties of diamond and cubic boron nitride heterostructures are investigated u...
Keyword:
Diamond
and
First-principles calculation
Resource Type:
Article
Author:
Suna Jia
,
Shiyang Fu
,
Yaning Liu
,
Nan Gao
,
Hongdong Li
, and
Meiyong Liao
Journal:
COMPUTATIONAL MATERIALS SCIENCE
Date Uploaded:
06/12/2023
Supercritical Hydrothermal Synthesis of Spinel Type Cobalt Gallate Nanoparticles with Controlled Crystal Defects and Their Magnetic Properties
Description/Abstract:
There are significant ongoing studies on the production of spinel-type CoGa2O4 nanoparticles, regarding its enhanced properties that coul...
Keyword:
magnetic properties
,
nanoparticle
, and
supercritical hydrothermal synthesis
Resource Type:
Article
Author:
Bo Xie
,
Chiya Numako
,
Takashi Naka
, and
Seiichi Takami
Journal:
CRYSTAL GROWTH & DESIGN
Date Uploaded:
06/12/2023
Date Modified:
06/12/2023
Unconventional Giant “Magnetoresistance" in Bosonic Semiconducting Diamond Nanorings
Description/Abstract:
The emergence of superconductivity in doped insulators such as cuprates and pnictides coincides with their doping-driven insulator–metal ...
Keyword:
bosonic semiconductors
,
diamond nanorings
,
diamond nanowires
,
trapping of Cooper pairs
, and
unconventional giant magnetoresistance
Resource Type:
Article
Author:
Gufei Zhang
,
Ramiz Zulkharnay
,
Xiaoxing Ke
,
Meiyong Liao
,
Liwang Liu
,
Yujie Guo
,
Yejun Li
,
Horst‐Günter Rubahn
,
Victor V. Moshchalkov
, and
Paul W. May
Journal:
ADVANCED MATERIALS
Date Uploaded:
06/12/2023
Date Modified:
07/12/2023
Topology optimization for piezoresistive nanomechanical surface stress sensors in anisotropic <111> orientations.
Description/Abstract:
MEMS-based piezoresistive nanomechanical sensors are compact sensing platforms widely employed in vapor sensing, environmental monitoring...
Keyword:
anisotropic materials
,
nanomechanical sensors
,
piezoresistive microcantilever
,
surface stress
, and
topology optimization
Resource Type:
Article
Author:
Kosuke Minami
Journal:
Nano Express
Date Uploaded:
04/12/2023
Rhombohedral boron monosulfide as a metal-free photocatalyst
Description/Abstract:
In this study, rhombohedral boron monosulfide (r-BS) was synthesized by a high-pressure solid-state reaction, and its photocatalytic prop...
Keyword:
Rhombohedral boron monosulfide, Photocatalyst
Resource Type:
Article
Author:
Keisuke Miyazaki
,
Akira Yamaguchi
,
Haruki Kusaka
,
Norinobu Watanabe
,
Aufandra Cakra Wardhana
,
Satoshi Ishii
,
Akiyasu Yamamoto
,
Masashi Miyakawa
,
Takashi Taniguchi
,
Takahiro Kondo
, and
Masahiro Miyauchi
Journal:
Scientific Reports
Date Uploaded:
04/12/2023
Charge transport and thermopower in the electron-doped narrow gap semiconductor Ca1−xLaxPd3O4
Description/Abstract:
狭ギャップ半導体であるCa1-xLaxPd3O4の輸送特性、熱電特性、電子状態計測を行った。x=0では0.1eV程度のバンドギャップを持ち、第一原理計算と一致した。また、Laによる電子ドープにより急激に抵抗は減少しx=0.01では金属的になった。一方で、ゼーベック係数はxに...
Keyword:
Palladates
Resource Type:
Article
Author:
Kouta Kazama
,
Masato Sakano
,
Kohei Yamagami
,
Takuo Ohkochi
,
Kyoko Ishizaka
,
Terumasa Tadano
,
Yusuke Kozuka
,
Hidetoshi Yoshizawa
,
Yoshihiro Tsujimoto
,
Kazunari Yamaura
, and
Jun Fujioka
Journal:
Physical Review Materials
Date Uploaded:
02/12/2023
Date Modified:
04/12/2023
Observation of charge-to-spin conversion with giant efficiency at Ni0.8Fe0.2/Bi2WO6 interface
Description/Abstract:
酸化物強誘電体Bi2WO6を用いて、Py/Bi2WO6ヘテロ構造を作製し、界面における電荷-スピン変換効率を計測した。その結果、非常に高い変換効率を示した。これは、BiやWの強いスピン軌道相互作用に起因すると予想される。
Keyword:
charge-to-spin current conversion
Resource Type:
Article
Author:
Saikat Das
,
Satoshi Sugimoto
,
Varun Kumar Kushwaha
,
Yusuke Kozuka
, and
Shinya Kasai
Journal:
APL Materials
Date Uploaded:
02/12/2023
Date Modified:
03/12/2023
Epitaxy and transport properties of alkali-earth palladate thin films
Description/Abstract:
In this study, given the theoretical prediction of Dirac bands in CaPd3O4, we investigate the fabrication and transport properties of SrP...
Keyword:
Palladate thin film
Resource Type:
Article
Author:
Yusuke Kozuka
,
Taisuke T. Sasaki
,
Terumasa Tadano
, and
Jun Fujioka
Journal:
SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS
Date Uploaded:
02/12/2023
Date Modified:
03/12/2023
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
Network-level Analysis of Damage in Amine-crosslinked Diglycidyl Ether Resins Degraded by Acid
Description/Abstract:
Amine-crosslinked epoxy resins represent a large fraction of polymers used in structural and coating applications, meaning the characteri...
Keyword:
Acid degradation
,
Amine crosslinker
, and
Epoxy networks
Resource Type:
Article
Author:
Jonathon Tanks
,
Yoshihiko Arao
, and
Masatoshi Kubouchi
Journal:
Express Polymer Letters
Date Uploaded:
01/12/2023
Fast electron damage mechanism of epoxy resin studied by electron energy loss spectroscopy and electron diffraction
Description/Abstract:
The damage mechanism and exposure tolerance of epoxy resins to fast electrons remain unclear. We quantitatively investigated the effec...
Keyword:
electron energy loss spectroscopy
,
epoxy resin
,
fast electron damage
, and
π electron
Resource Type:
Article
Author:
Jun Kikkawa
,
Aoi Nii
,
Yoshiaki Sakaniwa
,
Naochika Kon
,
Marina Sakamaki
,
Touyou Ohashi
,
Nobuyasu Nita
,
Koji Harano
, and
Koji Kimoto
Journal:
JOURNAL OF CHEMICAL PHYSICS
Date Uploaded:
01/12/2023
Date Modified:
01/12/2023
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
Oxide layer dependent orbital torque efficiency in ferromagnet/Cu/oxide heterostructures
Description/Abstract:
The utilization of orbital transport provides a versatile and efficient spin manipulation mechanism. As interest in orbital-mediated spin...
Keyword:
spintronics
Resource Type:
Article
Author:
Junyeon Kim
,
Jun Uzuhashi
,
Masafumi Horio
,
Tomoaki Senoo
,
Dongwook Go
,
Daegeun Jo
,
Toshihide Sumi
,
Tetsuya Wada
,
Iwao Matsuda
,
Tadakatsu Ohkubo
,
Seiji Mitani
,
Hyun-Woo Lee
, and
YoshiChika Otani
Journal:
Physical Review Materials
Date Uploaded:
01/12/2023
Date Modified:
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
Mass production of low-boiling point solvent- and water-soluble graphene by simple salt-assisted ball milling
Description/Abstract:
Developing a mass production method for graphene is essential for practical usage of this remarkable material. Direct exfoliation of grap...
Keyword:
Graphene
,
Liquid phase exfoliation
, and
Weak acid salt
Resource Type:
Article
Author:
Yoshihiko Arao
,
Riichi Kuwahara
,
Kaoru Ohno
,
Jonathon Tanks
,
Kojiro Aida
,
Masatoshi Kubouchi
, and
Shin-ichi Takeda
Journal:
Nanoscale Advances
Date Uploaded:
28/11/2023
Selective area growth of β-Ga2O3 by HCl-based halide vapor phase epitaxy
Description/Abstract:
We demonstrated selective area growth of β-Ga2O3 by HCl-based halide vapor phase epitaxy on SiO2-masked (001) and (010) β-Ga2O3 substrate...
Keyword:
Ga2O3
and
selective area growth
Resource Type:
Article
Author:
Takayoshi Oshima
and
Yuichi Oshima
Journal:
Applied Physics Express
Date Uploaded:
28/11/2023
Date Modified:
28/11/2023
Exfoliation Behavior of Large Anionic Graphite Flakes in Liquid Produced by Salt-Assisted Ball Milling
Description/Abstract:
Functionalization of graphite is crucial for efficient and effective exfoliation to graphene. When negative charges are fixed to the edge...
Keyword:
Characterization
,
Graphene
,
Graphite structure
, and
Liquid phase exfoliation
Resource Type:
Article
Author:
Yoshihiko Arao
,
Jonathon D. Tanks
,
Kojiro Aida
, and
Masatoshi Kubouchi
Journal:
Processes
Date Uploaded:
28/11/2023
α-Al2O3/Ga2O3 superlattices coherently grown on r-plane sapphire
Description/Abstract:
Ten-period binary α-Al2O3/Ga2O3 superlattices were fabricated on r-plane sapphire substrates by molecular beam epitaxy. By systematic var...
Keyword:
Ga2O3
and
Superlattice
Resource Type:
Article
Author:
Takayoshi Oshima
,
Yuji Kato
,
Masataka Imura
,
Yoshiko Nakayama
, and
Masaki Takeguchi
Journal:
APPLIED PHYSICS EXPRESS
Date Uploaded:
28/11/2023
Date Modified:
28/11/2023
Liquid phase penetration sintering of garnet-type solid electrolyte LLZTO
Description/Abstract:
It is important to develop processes for manufacturing all-solid-state batteries to form ionic conductive interfaces at low temperatures....
Keyword:
Garnet
,
Liquid phase
,
Low-temperature sintering
, and
Solid electrolyte
Resource Type:
Article
Author:
吉田 尚生
,
桑田 直明
,
長谷川 源
, and
高田 和典
Journal:
SOLID STATE IONICS
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
Fabrication of coherent γ-Al2O3/Ga2O3 superlattices on MgAl2O4 substrates
Description/Abstract:
We succeeded in fabricating 10-period coherent γ Al2O3/Ga2O3 superlattices (SLs) on MgAl2O4 substrates by molecular beam epitaxy. By vary...
Keyword:
Ga2O3
and
Superlattice
Resource Type:
Article
Author:
Yuji Kato
,
Masataka Imura
,
Yoshiko Nakayama
,
Masaki Takeguchi
, and
Takayoshi Oshima
Journal:
APPLIED PHYSICS EXPRESS
Date Uploaded:
28/11/2023
Date Modified:
28/11/2023
Spin Seebeck effect mediated reversal of vortex-Nernst effect in superconductor-ferromagnet bilayers
Description/Abstract:
We report on the observation of sign reversal of vortex-Nernst effect in epitaxial NbN/Fe bilayers deposited on MgO (001) substrates. Str...
Keyword:
Spin Seebeck efect
,
Superconductor‑ferromagnet bilayers
, and
Vortex‑Nernst efect
Resource Type:
Article
Author:
Himanshu Sharma
,
Zhenchao Wen
, and
Masaki Mizuguchi
Journal:
Scientific Reports
Date Uploaded:
25/11/2023
Plasma-free dry etching of (001) β-Ga2O3 substrates by HCl gas
Description/Abstract:
In this study, we dry etched SiO2-masked (001) b-Ga2O3 substrates in HCl gas flow at a high temperature without plasma excitation. The et...
Keyword:
Ga2O3
,
HCl
, and
etching
Resource Type:
Article
Author:
Takayoshi Oshima
and
Yuichi Oshima
Journal:
APPLIED PHYSICS LETTERS
Date Uploaded:
21/11/2023
Date Modified:
27/11/2023
Nanoporous Activated Carbon Material from Terminalia chebula Seed for Supercapacitor Application
Description/Abstract:
Here we report electrochemical supercapacitive performance of novel high porosity activated carbon materials prepared from biowaste Termi...
Keyword:
Terminalia chebula (Harro)
,
ZnCl2 activation
,
nanoporous carbons
, and
supercapacitors
Resource Type:
Article
Author:
Chhabi Lal Gnawali
,
Lok Kumar Shrestha
,
Jonathan P. Hill
,
Renzhi Ma
,
Katsuhiko Ariga
,
Mandira Pradhananga Adhikari
,
Rinita Rajbhandari
, and
Bhadra P. Pokharel
Journal:
C-Journal of Carbon Research
Date Uploaded:
20/11/2023
極細素線を用いたNb3Snケーブルの超伝導特性
Description/Abstract:
We are developing A15 cables made of ultra-fine wires for react-and-wind (R&W) magnet technology. Recently, we fabricated a bronze proces...
Keyword:
Nb3Sn
,
撚線
,
曲げひずみ
,
極細線
, and
臨界電流
Resource Type:
Article
Author:
王 旭東
,
土屋 清澄,
,
寺島 昭男
,
飯嶋 安男
, and
菊池 章弘
Journal:
低温工学
Date Uploaded:
17/11/2023
ブロンズ法Nb3Sn線材における内部補強による機械特性の改善 -固溶強化機構による内部マトリックス補強-
Description/Abstract:
We approached the internal matrix reinforcements using the Cu-Sn-Zn and Cu-Sn-In ternary bronze alloy matrices. After Nb3Sn phase synthes...
Keyword:
Nb3Sn
,
ブロンズ法
,
固溶強化
,
機械特性
, and
臨界電流
Resource Type:
Article
Author:
菱沼 良光
,
菊池 章弘
,
谷口 博康
,
小黒 英俊
,
淡路 智
, and
室賀 健夫
Journal:
低温工学
Date Uploaded:
17/11/2023
データ駆動による材料研究 -NIMS の取り組みを例として-
Description/Abstract:
データ駆動の材料研究の最近の潮流について,NIMSの取り組みを中心に解説した.実課題への展開,MIntシステムの開発を含む材料向けの手法開発,データプラットフォームの取り組みに加え,今後のマテリアルDXプラットフォーム構築に向けた取り組みを概観した.
Keyword:
データ駆動手法
,
マテリアルDXプラットフォーム
,
マテリアルズインテグレーション
, and
材料データプラットフォーム
Resource Type:
Article
Author:
出村 雅彦
Journal:
ぷらすとす
Date Uploaded:
15/11/2023
Date Modified:
15/11/2023
The Atomic Observation of the Structural Change Process in Pt Networks in Air Using Environmental Cell Scanning Transmission Electron Microscopy
Description/Abstract:
The structural change in Pt networks composed of multiple chain connections among grains was observed in air at 1 atm by atomic-resolutio...
Keyword:
Pt network
,
atomic resolution
,
catalyst
,
environmental cell
, and
scanning transmission electron microscopy
Resource Type:
Article
Author:
竹口 雅樹
Journal:
Nanomaterials
Date Uploaded:
13/11/2023
Date Modified:
13/11/2023
Effects of Thermal Boundary Resistance on Thermal Management of Gallium-Nitride-Based Semiconductor Devices: A Review
Description/Abstract:
Wide-bandgap gallium nitride (GaN)-based semiconductors offer significant advantages over traditional Si-based semiconductors in terms of...
Keyword:
thermal boundary resistance, Gallium Nitride, semiconductor, high-electron-mobility transistors
Resource Type:
Article
Author:
Tianzhuo Zhan
,
Mao Xu
,
Zhi Cao
,
Chong Zheng
,
Hiroki Kurita
,
Fumio Narita
,
Yen-Ju Wu
,
Yibin Xu
,
Haidong Wang
,
Mengjie Song
,
Wei Wang
,
Yanguang Zhou
,
Xuqing Liu
,
Yu Shi
,
Yu Jia
,
Sujun Guan
,
Tatsuro Hanajiri
,
Toru Maekawa
,
Akitoshi Okino
, and
Takanobu Watanabe
Journal:
Micromachines
Date Uploaded:
13/11/2023
Revealing factors influencing polymer degradation with rank-based machine learning
Description/Abstract:
The efficient treatment of polymer waste is a major challenge to marine sustainability. It is useful to reveal the factors that dominate ...
Keyword:
PoLyInfo
,
polymer degradation
, and
rank-based machine learning
Resource Type:
Article
Author:
Weilin Yuan
,
Yusuke Hibi
,
Ryo Tamura
,
Masato Sumita
,
Yasuyuki Nakamura
,
Masanobu Naito
, and
Koji Tsuda
Journal:
Patterns
Date Uploaded:
10/11/2023
Zn2SnO4 ternary metal oxide for ultraviolet radiation filter application: a comparative study with TiO2 and ZnO
Description/Abstract:
Ultraviolet (UV) radiation causes serious health risks to living organisms. Inorganic metal oxides, such as titanium dioxide (TiO2) and z...
Keyword:
TiO2 and ZnO alternatives
,
TiO2 free radicals
,
UV radiation filters
,
UVB and UVA blocking
,
Zn2SnO4 ternary metal oxide
, and
ZnO toxicity
Resource Type:
Article
Author:
Kadhim Al-Attafi
,
Amar Al-Keisy
,
Muhammad A. Alsherbiny
, and
Jung Ho Kim
Journal:
Science and Technology of Advanced Materials
Date Uploaded:
09/11/2023
Date Modified:
05/01/2024
Comparisons of 3D printed materials for biomedical imaging applications
Description/Abstract:
In biomedical imaging, it is desirable that custom-made accessories for restraint, anesthesia, and monitoring can be easily cleaned and n...
Keyword:
3D printing
,
Biomedical imaging
,
material science
,
polymer characterization
, and
prototyping
Resource Type:
Article
Author:
Mitchell A Gabalski
,
Kylie Smith
,
Jeremy Hix
, and
Kurt R. Zinn
Journal:
Science and Technology of Advanced Materials
Date Uploaded:
09/11/2023
Date Modified:
05/01/2024
Combinatorial treatment using bevacizumab/pemetrexed loaded core-shell silica nanoparticles for non-small cell lung cancer
Description/Abstract:
Non-small cell lung cancer (NSCLC) is a life-threatening cancer associated with a higher mortality rate. Despite promising results shown ...
Keyword:
Non-small cell lung cancer (NSCLC)
,
combinatorial treatment
, and
core-shell silica nanoparticles
Resource Type:
Article
Author:
Deepika Radhakrishnan
,
Vaishwik Patel
,
Shan Mohanan
,
Sharon Wong
,
Jacob Netherton
,
Ajay Karakoti
, and
Ajayan Vinu
Journal:
Science and Technology of Advanced Materials
Date Uploaded:
09/11/2023
Date Modified:
05/01/2024
Structural, mechanical, electronic and optical properties of N-decorated single-walled silicon carbide nanotube photocatalyst for hydrogen evolution via water splitting: a DFT study
Description/Abstract:
This work investigated the fundamental photocatalytic properties of nitrogen-doped single-walled silicon carbide nanotubes (N-doped SWSiC...
Keyword:
Photocatalyst
,
hydrogen energy
,
silicon carbide nanotubes
, and
water splitting
Resource Type:
Article
Author:
Yahaya Saadu Itas
,
Razif Razali
,
Salisu Tata
,
Mohammed Kolo
,
Hamid Osman
,
Abubakr M. Idris
, and
Mayeen Uddin Khandaker
Journal:
Science and Technology of Advanced Materials
Date Uploaded:
09/11/2023
Date Modified:
05/01/2024
Calculations of Electron Inelastic Mean Free Paths IV. Evaluation of calculated IMFPs and of the predictive IMFP formula TPP-2 for electron energies between 50 and 2000 eV
Description/Abstract:
We have made additional evaluations of the electron inelastic mean free paths ([MFPs) and of the predictive IMFP formula TPP-2 presented ...
Keyword:
Evaluations of TPP-2 formula
,
IMFP
, and
predictive IMFP formula TPP-2
Resource Type:
Article
Author:
Tanuma, S.
,
Powell, C. J.
, and
Penn, D. R.
Journal:
Surface and Interface Analysis
Date Uploaded:
07/11/2023
Date Modified:
07/11/2023
Comprehensive elemental screening of solid-solution copper alloys
Description/Abstract:
A comprehensive elemental screening framework is proposed to predict the solid-solution strengthening and electrical resistivity of copp...
Keyword:
Alloy design
,
Copper alloys
,
Density functional theory (DFT)
,
Electrical resistivity / conductivity
, and
Mechanical properties
Resource Type:
Article
Author:
Kenji Yamaguchi
,
Takuya Ishigaki
,
Yuki Inoue
,
Shuhei Arisawa
,
Hirotaka Matsunoshita
,
Yuki Ito
,
Hiroyuki Mori
,
Ken’ichiro Suehiro
,
Kazunari Maki
,
Kenji Nagata
, and
Masahiko Demura
Journal:
Science and Technology of Advanced Materials: Methods
Date Uploaded:
02/11/2023
Date Modified:
02/11/2023
ASME Grade 91鋼大型溶接継手の長時間クリープ損傷の非破壊評価とその有効性検討
Description/Abstract:
In order to evaluate residual creep life of ASME Grade 91 weldment, Phased Array Ultrasonic Testing (PAUT), High Temperature Superconduct...
Keyword:
Gr.91 steel welds
,
creep damage detection
,
nondestructive method
, and
residual creep life
Resource Type:
Article
Author:
澤田 浩太
,
谷内 泰志
,
野島 健大
,
木村 一弘
,
木村尭弘
,
野村恭兵
,
齋藤規子
,
森田 聡
,
早川弘之
,
杉内栄夫
,
大櫃和成
,
石原潤一
,
屋口正次
,
西沢孝壽
,
飯田英男
,
大井浩二
,
西岡智也
,
江見直哉
,
岡田浩一
,
駒井伸好
,
林 恭平
, and
富永 公彦
Journal:
Zairyo/Journal of the Society of Materials Science, Japan
Date Uploaded:
31/10/2023
Improving efficiency of autonomous material search via transfer learning from nontarget properties
Description/Abstract:
Recently, autonomous material search methods combining machine learning and experiments/simulations have become indispensable for explori...
Keyword:
Machine learning
Resource Type:
Article
Author:
Jaekyun Hwang
and
Yuma Iwasaki
Journal:
Science and Technology of Advanced Materials: Methods
Date Uploaded:
27/10/2023
Hydrogen detection using membrane-type surface stress sensor
Description/Abstract:
This study shows a possibility of the application of a membrane-type surface stress sensor (MSS) with a Pd film to a hydrogen sensor. It ...
Keyword:
Hydrogen sensor
and
membrane-type surface stress sensor
Resource Type:
Article
Author:
Taro Yakabe
,
Gaku Imamura
,
Genki Yoshikawa
,
Masahiro Kitajima
, and
Akiko N Itakura
Journal:
Journal of Physics Communications
Date Uploaded:
26/10/2023
Fusion data analysis of imaging data of hydrogenpermeated steel obtained by complementary methods
Description/Abstract:
オペランド水素顕微鏡で取得したステンレス鋼透過水素の時間応答挙動を、電子顕微鏡画像との画像融合後に数種の計算科学的手法で解析した。 主成分分析(PCA)、スパースモデリングの代表であるLASSO、ニューラルネットワークを使用した次元圧縮のひとつであるオートエンコーダ、で構...
Keyword:
Autoencoder
,
Hydrogen diffusion
,
Least absolute shrinkage and selection operator
, and
Principal component analysis
Resource Type:
Article
Author:
Tomomi Akiyama
,
Naoya Miyauchi
,
Akiko N. Itakura
,
Takayuki Yamagishi
, and
Satoka Aoyagi
Journal:
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B
Date Uploaded:
26/10/2023
Date Modified:
26/10/2023
データ駆動材料研究の進展〜NIMSにおける実践を例として~
Description/Abstract:
材料分野においてもデータ駆動研究への期待が大きい。本稿では、データ駆動材料開発の最近の取り組みを概説する。材料データは必ずしも豊富にあるわけではないものの、データ駆動による材料・プロセスの探索は、金属、高分子、無機化合物等々へ広がり、自動実験・計測との連携も始まっている。メ...
Keyword:
Data driven research
,
Materials
,
Materials data platform
, and
Microstructures
Resource Type:
Article
Author:
出村 雅彦
Journal:
情報の科学と技術
Date Uploaded:
26/10/2023
Estimation of Inelastic Mean Free Paths in Au and Cu from Their Elastic Peak Intensity Ratios without IMFP Values of Reference Material in The 200 – 5000 eV Energy Range
Description/Abstract:
We have determined electron inelastic mean free paths (IMFPs) and surface-electronic excitation parameters (SEPs) of Au and Cu in the 200...
Keyword:
Au and Cu
,
EPES
,
IMFP
,
elastic peak intensity
, and
electron inelastic mean free path
Resource Type:
Article
Author:
S. Tanuma
,
H. Yoshikawa
,
N. Okamoto
, and
K. Goto
Journal:
Journal of Surface Analysis
Date Uploaded:
25/10/2023
Date Modified:
25/10/2023
Descriptor extraction on inherent creep strength of carbon steel by exhaustive search
Description/Abstract:
炭素鋼の基底クリープ強度領域におけるクリープ寿命モデルを提案し、ベイズ統計によるモデル選択手法を適用することで、Moが単独で効果を有することを見出した。
Keyword:
Bayesian inference
,
Carbon steel
,
Creep rupture
,
Exhaustive search
,
Inherent creep strength
,
Larson–miller parameter
, and
Model selection
Resource Type:
Article
Author:
Junya Sakurai
,
Masahiko Demura
,
Yoh-ichi Mototake
,
Masato Okada
,
Masayoshi Yamazaki
, and
Junya Inoue
Journal:
Science and Technology of Advanced Materials: Methods
Date Uploaded:
24/10/2023
機械学習によるフェライト系耐熱鋼のクリープ破断寿命予測
Description/Abstract:
NIMSクリープデータシートを用い、機械学習によってフェライト耐熱鋼のクリープ寿命予測をおこなった。サポートベクター回帰手法によるものが最も予測性能が高く、テストデータに対するクリープ寿命の常用対数の二乗平均平方根誤差は0.14と小さく、これは1.38倍以内の予測精度を有す...
Keyword:
クリープ
,
クリープ破断寿命
,
フェライト系耐熱鋼
,
予測
, and
機械学習
Resource Type:
Article
Author:
櫻井 惇也
,
出村 雅彦
,
井上 純哉
, and
山﨑 政義
Journal:
TETSU TO HAGANE-JOURNAL OF THE IRON AND STEEL INSTITUTE OF JAPAN
Date Uploaded:
24/10/2023
Date Modified:
24/10/2023
データ時代の材料研究
Description/Abstract:
材料は網羅的なビッグデータ構築が困難であり、実験データの再利用を進めつつ、少量のデータを有効に活用していく手法開発が必要となる。加えて、計算シミュレーションによるデータ創出を活用していくことも重要となる。NIMSにおけるデータ駆動研究の取り組みを紹介するとともに、基盤となる...
Keyword:
データ駆動型
and
材料データプラットフォーム
Resource Type:
Article
Author:
出村 雅彦
Journal:
Kobunshi
Date Uploaded:
24/10/2023
2-step reaction kinetics for hydrogen absorption into bulk material via dissociative adsorption on the surface
Description/Abstract:
We have demonstrated that the process of hydrogen absorption into a solid experimentally follows a Langmuir-type (hyperbolic) function in...
Keyword:
2-step reaction kinetics (2sRK) model
and
hydrogen absorption
Resource Type:
Article
Author:
Taro Yakabe
,
Gaku Imamura
,
Genki Yoshikawa
,
Naoya Miyauchi
,
Masahiro Kitajima
, and
Akiko N. Itakura
Journal:
Scientific Reports
Date Uploaded:
23/10/2023
Model of local hydrogen permeability in stainless steel with two coexisting structures
Description/Abstract:
The dynamics of hydrogen in metals with mixed grain structure is not well understood at a microscopic scale. One of the biggest issues fa...
Keyword:
hydrogen permeation
,
hydrogen visualization
,
permeation model
, and
stainless steel
Resource Type:
Article
Author:
Akiko N. Itakura
,
Naoya Miyauchi
,
Yoshiharu Murase
,
Taro Yakabe
,
Masahiro Kitajima
, and
Satoka Aoyagi
Journal:
Scientific Reports
Date Uploaded:
23/10/2023
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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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International Center for Materials Nanoarchitectonics (WPI-MANA)
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Ikumu Watanabe
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Physical Review B
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