Index Catalog // MDR

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

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

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

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

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

Effects of Elemental Doping and Interface Engineering on Spin-Orbit Torques in CoSi-based Topological Semimetal Thin Films

Description/Abstract:: This study reports on how Ni or Fe doping and interface engineering affect the spin-orbit torques (SOTs) generated from the topological s...
Keyword:: CoSi-based Topological Semimetal Thin Films, Elemental Doping, Interface Engineering, and Spin-Orbit Torques
Resource Type:: Presentation
Author:: タンカ, 温振超, 関剛斎, 介川裕章, and 三谷誠司
Date Uploaded:: 25/11/2023

Spin current generation in highly conductive Ru/Cu epitaxial heterostructures

Description/Abstract:: Significant spin current generation from highly conductive materials is promising for spintronic applications, such as spin-orbit-torque ...
Keyword:: Ru/Cu epitaxial bilayers and Spin current generation
Resource Type:: Poster
Author:: 温振超, ソンジェユアン, ハツォン, シャイケトーマス, 介川裕章, 大久保忠勝, 能崎幸雄, and 三谷誠司
Date Uploaded:: 25/11/2023

Nano artificial alloys in bulk-immiscible Ru-Cu system for spin-current generation

Description/Abstract:: Spin current is a flow of spin angular momentum and is considered as an ideal information carrier for spintronic devices due to the merit...
Keyword:: Nano artificial alloys and spin-current generation
Resource Type:: Poster
Author:: ハツォン, ソンジェユアン, 温振超, 介川裕章, 三浦良雄, 大久保忠勝, 能崎幸雄, and 三谷誠司
Date Uploaded:: 25/11/2023

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

Python suites for high-throughput calculations of the ab-initio quantum Monte Carlo methods

Description/Abstract:: The TREXIO files used for the validation tests in the paper entitled TurboGenius: Python suite for high-throughput calculations of ab ini...
Keyword:: Ab initio Quantum Monte Carlo, High-throughput calculations, TurboGenius, and TurboRVB
Resource Type:: Dataset
Data origin:: simulations
Author:: NAKANO, Kosuke, Oto Kohulák, Abhishek Raghav, Michele Casula, and Sandro Sorella
Date Uploaded:: 16/11/2023

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

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

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

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

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

Unveiling Key Factors and Design Implications for Enhancing Li Diffusion in Garnet Ionic Conductors

Description/Abstract:: This study presents data-driven insights into the key factors influencing Li diffusion in garnet ionic conductors and their implications ...
Keyword:: Li ionic conductors, cubic garnet, occupancy, descriptors, Li diffusion
Resource Type:: Presentation
Author:: ウーイェンルー and 徐一斌
Date Uploaded:: 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

Metamaterial Gallery

Description/Abstract:: Nine metamaterial models
Keyword:: 3D geometry, Mechanical metamaterial, Model, and Negative Poisson's ratio
Resource Type:: Dataset
Data origin:: informatics and data sciences
Author:: Xiaoyang Zheng and Ikumu Watanabe
Journal:: Materials & Design
Date Uploaded:: 30/10/2023

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

Classification of EBSD Kikuchi patterns for stainless steel by unsupervised learning methods to investigate grain boundaries

Description/Abstract:: EBSD indexing based on Kikuchi diffraction patterns, which indicate the types and orientation of the crystal lattice, is generally effect...
Keyword:: EBSD, hydrogen permeation, stainless steel, and unsupervised learning
Resource Type:: Article
Author:: Satoka Aoyagi, Daisuke Hayashi, Yoshiharu Murase, Naoya Miyauchi, and Akiko N. Itakura
Journal:: e-Journal of Surface Science and Nanotechnology
Date Uploaded:: 23/10/2023

NIMS-OS: An automation software to implement a closed loop between artificial intelligence and robotic experiments in materials science

Description/Abstract:: NIMS-OS (NIMS Orchestration System) is a Python library created to realize a closed loop of robotic experiments and artificial intelligen...
Keyword:: NIMS-OS, artificial intelligence, and robotic experiments
Resource Type:: Article
Author:: Ryo Tamura, Koji Tsuda, and Shoichi Matsuda
Journal:: Science and Technology of Advanced Materials: Methods
Date Uploaded:: 20/10/2023

NIMS研究者総覧2023

Description/Abstract:: NIMSで活躍する研究者の代表的な研究課題を1ページ/1課題で紹介しています。
Keyword:: センター別課題一覧, 研究カタログ, and 研究概要
Resource Type:: Other
Date Uploaded:: 19/10/2023
Date Modified:: 19/10/2023

原子論的スピンモデルによる永久磁石の磁気特性の研究 ―熱揺らぎおよび温度効果の取り扱いと将来展望―

Description/Abstract:: We review atomistic spin model studies, a new approach for theoretical investigations, on magnetic properties of permanent magnets. In th...
Keyword:: 保磁力, 原子論的スピンモデル　, 永久磁石, 温度効果, and 熱揺らぎ
Resource Type:: Article
Author:: 西野正理 and 宮下精二
Journal:: Journal of the Japan Institute of Metals and Materials
Date Uploaded:: 18/10/2023

Quantitative estimation of coercive field in a ferromagnetic grain using field sweep simulation

Description/Abstract:: High coercivity is an important property of permanent magnets for application in energy conversion devices. The Nd magnet, Nd2Fe14B, is a...
Keyword:: estimation of coercivity
Resource Type:: Article
Author:: Masamichi Nishino and Seiji Miyashita
Journal:: PHYSICAL REVIEW B
Date Uploaded:: 17/10/2023

Multiscale out-of-equilibrium dynamics driven by pulsed laser excitation in spin-crossover materials: A combined thermoelastic and mechanoelastic study

Description/Abstract:: In this paper, we present an elastic model coupled with a heat propagation process in order to reproduce the out-of-equilibrium dynamics ...
Keyword:: spin-crossover materials
Resource Type:: Article
Author:: Laurentiu Stoleriu, Masamichi Nishino, Seiji Miyashita, Alexandru Stancu, Roman Bertoni, Eric Collet, Maciej Lorenc, and Cristian Enachescu
Journal:: PHYSICAL REVIEW B
Date Uploaded:: 17/10/2023

Elastocaloric effect of shape memory polymers in elastic response regime

Description/Abstract:: The solid-state cooling/heating technology based on the elastocaloric effect is one of the promising alternatives to vapor compression sy...
Keyword:: Elastocaloric effect and Shape memory polymer
Resource Type:: Article
Author:: Takamasa Hirai, Koichiro Uto, Mitsuhiro Ebara, and Ken-ichi Uchida
Journal:: Journal of Physics-Energy
Date Uploaded:: 17/10/2023

Modulation of Photochemical Activity of Titania Nanosheets via Heteroassembly with Reduced Graphene Oxide. Enhancement of Photoinduced Hydrophilic Conversion Properties

Description/Abstract:: We report on the layer-by-layer integration of photofunctional titania nanosheets and conductive reduced graphene oxide (rGO) to enhance ...
Keyword:: 2D materials, Charge separation, Electron transfer mediator, Photogenerated carriers, and Wettability
Resource Type:: Article
Author:: Nobuyuki Sakai, Kei Kamanaka, and Takayoshi Sasaki
Journal:: JOURNAL OF PHYSICAL CHEMISTRY C
Date Uploaded:: 11/10/2023
Date Modified:: 11/10/2023

Synthesis and Substitution Chemistry of Redox-Active Manganese/Cobalt Oxide Nanosheets

Description/Abstract:: We successfully synthesized Co-substituted MnO2 nanosheets with a composition of Mn1－xCoxO2 (x = 0.2－0.5) by exfoliating the protonated f...
Keyword:: 2D materials, Cobalt substitution, Electrochemical capacitors, and Manganese oxide
Resource Type:: Article
Author:: Nobuyuki Sakai, Katsutoshi Fukuda, Renzhi Ma, and Takayoshi Sasaki
Journal:: CHEMISTRY OF MATERIALS
Date Uploaded:: 11/10/2023
Date Modified:: 11/10/2023

Au13 Superatom Bearing Two Terpyridines at Coaxial Positions: Photoluminescence Quenching via Complexation with 3d Metal Ions

Description/Abstract:: A gold cluster [Au13(dppe)5(EPTpy)2]3+ (dppe = 1,2-bis(diphenylphosphino)ethane, EPTpy-H = 4'-(4-ethynylphenyl)-2,2':6',2''-terpyridine) ...
Keyword:: gold, nanocluster, photoluminescence, superatom, and transmission electron microscopy
Resource Type:: Article
Author:: Naoki Kito, Shinjiro Takano, Shinya Masuda, Koji Harano, and Tatsuya Tsukuda
Journal:: BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN
Date Uploaded:: 11/10/2023
Date Modified:: 11/10/2023

Defect Photoluminescence from Alkylated Boron Nitride Nanotubes

Description/Abstract:: Boron nitride nanotubes (BNNTs) are chemically functionalized by a reductive alkylation reaction for defect doping to create luminescent ...
Keyword:: boron nitride nanotubes, defect, and photoluminescence
Resource Type:: Article
Author:: Tomohiro Shiraki, Rioe Saito, Hayato Saeki, Naoki Tanaka, Koji Harano, and Tsuyohiko Fujigaya
Journal:: CHEMISTRY LETTERS
Date Uploaded:: 11/10/2023

Influence of recoil pressure, mushy zone flow resistance and reflectivity on melt pool shape in laser powder bed fusion simulation

Description/Abstract:: Melt pool dimensions (depth: D and width: W) are strongly correlated with defects generated in laser powder bed fusion. The...
Keyword:: Fresnel laser reflection model, Laser powder bed fusion, Melt pool shape, Multi-physics CFD simulation, Mushy zone flow resistance, and Recoil pressure
Resource Type:: Article
Author:: Jun Katagiri, Masahiro Kusano,, Sukeharu Nomoto, and Makoto Watanabe
Journal:: Case Studies in Thermal Engineering
Date Uploaded:: 10/10/2023
Date Modified:: 10/10/2023

Guidelines for Arranging 2D Nanosheets into Neatly Tiled Monolayer Films by a Spin-Coating Process

Description/Abstract:: Neat (dense and non-overlapped) monolayer tiling of 2D nanosheets on a substrate surface is very important because we can conduct artific...
Keyword:: 2D materials, air/liquid interface, hierarchical film, neat monolayer tiling, and spin-coating
Resource Type:: Article
Author:: Nobuyuki Sakai and Takayoshi Sasaki
Journal:: LANGMUIR
Date Uploaded:: 07/10/2023
Date Modified:: 10/10/2023

Scission of 2D Inorganic Nanosheets via Physical Adsorption on a Nonflat Surface

Description/Abstract:: We report that titania nanosheets can be orthogonally sectioned into substantially rectangular-shaped fragments when deposited on a nonfl...
Keyword:: 2D materials, intermolecular forces, secondary processing, and tensile stress
Resource Type:: Article
Author:: Nobuyuki Sakai, Masahiko Suzuki, and Takayoshi Sasaki
Journal:: Advanced Materials Interfaces
Date Uploaded:: 06/10/2023

Gold nanowire mesh electrode for electromechanical device

Description/Abstract:: Ionic polymer-metal composite (IPMC) actuators were prepared with Nafon flm as the ionic polymer and gold nanowire (Au-NW) mesh flm as th...
Keyword:: Actuator, Flexible electrode, Gold nanowire, and Ionic Polymer Metal Composite
Resource Type:: Article
Author:: 池田太一
Journal:: Scientific Reports
Date Uploaded:: 06/10/2023
Date Modified:: 06/10/2023

Electrospun Stacked Dual‐Channel Transistors with High Electron Mobility Using a Planar Heterojunction Architecture

Description/Abstract:: By far, despite the progress, there are no related reports on the construction of oxide heterojunction (HJ) based on electrospinning. Thu...
Keyword:: Dual-Channel and Transistors
Resource Type:: Article
Author:: Bo He, Gang He, Shanshan Jiang, Jiangwei Liu, Elvira Fortunato, and Rodrigo Martins
Journal:: Advanced Electronic Materials
Date Uploaded:: 05/10/2023
Date Modified:: 05/10/2023

Experimental formation and mechanism study for super-high dielectric constant AlOx/TiOy nanolaminates

Description/Abstract:: Super-high dielectric constant (k) AlOx/TiOy nanolaminates (ATO NLs) are deposited by an atomic layer deposition technique for applicatio...
Keyword:: ATO, nanolaminate, and super-high dielectric constant
Resource Type:: Article
Author:: Jiangwei Liu, Masayuki Okamura, Hisanori Mashiko, Masataka Imura, Meiyong Liao, Ryosuke Kikuchi, Michio Suzuka, and Yasuo Koide
Journal:: Nanomaterials
Date Uploaded:: 05/10/2023
Date Modified:: 05/10/2023

Atomic Diffusion of Indium through Threading Dislocations in InGaN Quantum Wells

Description/Abstract:: The compositional and structural investigations of threading dislocations (TDs) in InGaN/GaN multiple quantum wells were carried out usin...
Keyword:: InGaN, atom probe tomography, dislocation, pipe diffusion, and transmission electron microscopy
Resource Type:: Article
Author:: Yudai Yamaguchi, Yuya Kanitani, Yoshihiro Kudo, Jun Uzuhashi, Tadakatsu Ohkubo, Kazuhiro Hono, and Shigetaka Tomiya
Journal:: NANO LETTERS
Date Uploaded:: 04/10/2023
Date Modified:: 04/10/2023

Annealing properties of vacancy-type defects in ion implanted GaN during ultra-high-pressure annealing studied by using a monoenergetic positron beam

Description/Abstract:: Behaviors of vacancy-type defects in ion-implanted GaN were studied by means of positron annihilation. Si or Mg ions were implanted into ...
Keyword:: gallium nitride, positron, and vacancy
Resource Type:: Article
Author:: Akira Uedono, Hideki Sakurai, Jun Uzuhashi, Tetsuo Narita, Kacper Sierakowski, Shoji Ishibashi, Shigefusa F. Chichibu, Michal Bockowski, Jun Suda, Tadakatsu Ohokubo, Nobuyuki Ikarashi, Kazuhiro Hono, and Tetsu Kachi
Journal:: Proceedings of SPIE - The International Society for Optical Engineering
Date Uploaded:: 04/10/2023
Date Modified:: 04/10/2023

Ranking Pareto optimal solutions based on projection free energy

Description/Abstract:: Based on available datasets prepared by numerical simulations and machine learning, maps of properties for materials that have not yet be...
Keyword:: Pareto solutions, free energy, and semiconductor
Resource Type:: Article
Author:: Ryo Tamura, Kei Terayama, Masato Sumita, and Koji Tsuda
Journal:: Physical Review Materials
Date Uploaded:: 04/10/2023
Date Modified:: 04/10/2023

Large Tunneling Magnetoresistance in Perpendicularly Magnetized Magnetic Tunnel Junctions Using Co75Mn25/Mo/Co20Fe60B20 Multilayers

Description/Abstract:: We study the magnetic and electrical transport properties of magnetic tunnel junctions (MTJs) consisting of a Co3Mn/Mo/CoFeB multilayer p...
Keyword:: energy dispersive X-ray spectrometry, magnetic tunnel junctions, nanobeam electron diffraction, and scanning transmission electron microscopy
Resource Type:: Article
Author:: Tatsuya Yamamoto, Tomohiro Ichinose, Jun Uzuhashi, Takayuki Nozaki, Tadakatsu Ohkubo, Kay Yakushiji, Shingo Tamaru, and Shinji Yuasa
Journal:: Physical Review Applied
Date Uploaded:: 03/10/2023
Date Modified:: 05/10/2023

Atomic resolution analysis of extended defects and Mg agglomeration in Mg-ion-implanted GaN and their impacts on acceptor formation

Description/Abstract:: We used atomic-scale direct observations by transmission electron microscopy (TEM) and atom probe tomography to clarify the crystallograp...
Keyword:: atom probe tomography, gallium nitride, and transmission electron microscopy
Resource Type:: Article
Author:: Emi Kano, Keita Kataoka, Jun Uzuhashi, Kenta Chokawa, Hideki Sakurai, Akira Uedono, Tetsuo Narita, Kacper Sierakowski, Michal Bockowski, Ritsuo Otsuki, Koki Kobayashi, Yuta Itoh, Masahiro Nagao, Tadakatsu Ohkubo, Kazuhiro Hono, Jun Suda, Tetsu Kachi, and Nobuyuki Ikarashi
Journal:: JOURNAL OF APPLIED PHYSICS
Date Uploaded:: 28/09/2023
Date Modified:: 28/09/2023

Acceptor activation of Mg-doped GaN—Effects of N2/O2 vs N2 as ambient gas during annealing

Description/Abstract:: Here, we investigate the effects of O2:N2 (1:1) as ambient gas as compared with pure N2 during activation annealing of Mg as p-type dopin...
Keyword:: activation, gallium nitride, scanning transmission electron microscopy, and semiconductor
Resource Type:: Article
Author:: Ashutosh Kumar, Martin Berg, Qin Wang, Jun Uzuhashi, Tadakatsu Ohkubo, Michael Salter, and Peter Ramvall
Journal:: JOURNAL OF APPLIED PHYSICS
Date Uploaded:: 28/09/2023
Date Modified:: 28/09/2023

Generating 3D voxelized architected materials using 3D conditional generative adversarial network

Description/Abstract:: This tutorial aims to give an introduction of how to use a deep generative model, 3D conditional generative adversarial network (3D-CGAN)...
Keyword:: Deep learning; Generative adversarial network; Inverse design; 3D shape; Microstructure; Mechanical metamaterial
Resource Type:: Software
Data origin:: informatics and data sciences
Author:: Xiaoyang Zheng and Ikumu Watanabe
Journal:: Science and Technology of Advanced Materials
Date Uploaded:: 14/09/2023

Narrow-band phosphor K2ZnP2O7:Eu2+ discovered using local structure similarity

Description/Abstract:: A new narrow-band emitting phosphor K2ZnP2O7:Eu2+ was discovered by extracting promising crystal structures from a database. Regarding th...
Keyword:: local structure similarity and phosphor
Resource Type:: Article
Author:: Shota Takemura, Yukinori Koyama, Takayuki Nakanishi, Shiro Funahashi, Naoto Hirosaki, Hidekazu Ikeno, and Takashi Takeda
Journal:: SCRIPTA MATERIALIA
Date Uploaded:: 31/08/2023
Date Modified:: 31/08/2023

Sample structure prediction from measured XPS data using Bayesian estimation and SESSA simulator

Description/Abstract:: We have developed a framework for solving the inverse problem of X-ray photoelectron spectroscopy (XPS) by incorporating an XPS simulator...
Keyword:: Bayesian estimation, Exchange Monte Carlo method, SESSA, and X-ray photoelectron spectroscopy
Resource Type:: Article
Author:: Hiroshi Shinotsuka, Kenji Nagata, Malinda Siriwardana, Hideki Yoshikawa, Hayaru Shouno, and Masato Okada
Journal:: JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA
Date Uploaded:: 25/08/2023
Date Modified:: 25/08/2023

表面電子分光法における信号の減衰は如何に記述されるか？ V.　誘電関数を用いた固体における電子の非弾性散乱断面積

Description/Abstract:: Born近似、一般化振動子強度、誘電関数をキーパラメータとして、電子の非弾性散乱断面積について解説する。ボルン近似により、原子における電子の非弾性散乱断面積は振動子強度分布を用いて表すことができる。一方、誘電応答理論では、固体試料の非弾性散乱断面積を極小角散乱領域（すなわち...
Keyword:: 一般化振動子強度, 動的散乱因子, 双極子行列要素平方, 誘電関数, and 電子の非弾性散乱断面積
Resource Type:: Article
Author:: 田沼繁夫
Journal:: Journal of Surface analysis
Date Uploaded:: 21/08/2023
Date Modified:: 21/08/2023

Artificial intelligence inspired design of non-isothermal aging for γ–γ′ two-phase, Ni–Al alloys

Description/Abstract:: 最先端のAIアルゴリズムを活用して，ニッケル基合金において，高温強度をより高くするための時効熱処理を考案した．これまでは等温時効が一般であったところを昇温や降温を含めた複雑な時効熱処理パターンの膨大組み合わせ（約35億通り）から，等温時効を凌駕するパターンを見出すことに挑戦...
Keyword:: Artificial Intelligence, Gamma and Gamma' two-phase microstructure, Heat resistant alloys, High-temperature strength, Inverse design, Ni-Al alloy, and non-isothermal aging
Resource Type:: Article
Author:: Vickey Nandal, Sae Dieb, Dmitry S. Bulgarevich, Toshio Osada, Toshiyuki Koyama, Satoshi Minamoto, and Masahiko Demura
Journal:: Scientific Reports
Date Uploaded:: 09/08/2023

Implementation strategies in phonopy and phono3py

Description/Abstract:: Scientific simulation codes are public property sustained by the community. Modern technology allows anyone to join scientific software p...
Keyword:: Phonon calculation
Resource Type:: Article
Author:: Atsushi Togo, Laurent Chaput, Terumasa Tadano, and Isao Tanaka
Journal:: JOURNAL OF PHYSICS-CONDENSED MATTER
Date Uploaded:: 08/08/2023

Raw data files for Fig. 12 Auger depth profiles in "Auger Depth Profiling Analysis of HfO2/Si Specimen Using an Ultra Low Angle Incidence Ion Beam"

Description/Abstract:: We have investigated the Auger depth profiling analysis of HfO2/Si by the glancing-angle ion beam sputtering method at an incident angle ...
Keyword:: Auger depth profiling analysis, HfO2/Si, and Ultra low angle incidence ion beam
Resource Type:: Dataset
Data origin:: experiments
Author:: OGIWARA, Toshiya, NAGATA, Takahiro, and YOSHIKAWA, Hideki
Date Uploaded:: 07/08/2023

Calculations of Electron Inelastic Mean Free Paths III. Data for 15 Inorganic compounds over the 50 - 2000 eV Range

Description/Abstract:: We report calculations of electron inelastic mean free path (IMFPs) of 50-2000 eV electrons in a group of 15 inorganic compounds (Al2O3, ...
Keyword:: IMFP, Inorganic compounds, and TPP-2
Resource Type:: Article
Author:: Tanuma, Shigeo, Powell, C. J., and Penn, D. R.
Journal:: Surface and Interface Analysis
Date Uploaded:: 03/08/2023

PoLyInfoと機械学習

Description/Abstract:: In recent years, there has been growing interest in materials informatics and machine learning in the field of polymers. On the other han...
Keyword:: MI, PoLyInfo, Process-Structure-Property, データベース, マテリアルズインフォマティクス, 機械学習, and 高分子
Resource Type:: Article
Author:: 石井真史
Journal:: 高分子
Date Uploaded:: 01/08/2023
Date Modified:: 17/11/2023

Discrimination of structurally similar odorous molecules with various concentrations by using a nanomechanical sensor

Description/Abstract:: A pattern recognition-based chemical sensor array is an efficient approach to discriminating odours, while the fluctuation in the concent...
Keyword:: nanomechanical sensors
Resource Type:: Article
Author:: Kosuke Minami, Kota Shiba, and Genki Yoshikawa
Journal:: ANALYTICAL METHODS
Date Uploaded:: 01/08/2023

Sulfonation Properties of Polyphenylsulfone

Description/Abstract:: Sulfonation of PPSU is accomplished by aromatic nucleophilic substitution reactions, introducing a sulfonyl group into the electron-rich ...
Keyword:: High proton conductivity, PEFC, and SPPSU synthesis
Resource Type:: Poster
Author:: KIM, Jedeok
Date Uploaded:: 31/07/2023

Pattern recognition of solid materials by multiple probe gases

Description/Abstract:: A pattern recognition-based chemical sensor array is an efficient approach to discriminating odours or complex mixture of gaseous molecul...
Keyword:: nanomechanical sensors and solid sensing
Resource Type:: Article
Author:: Kosuke Minami, Gaku Imamura, Takahiro Nemoto, Kota Shiba, and Genki Yoshikawa
Journal:: MATERIALS HORIZONS
Date Uploaded:: 29/07/2023

Dataset does not exist anymore: https://doi.org/10.48505/nims.4224

Description/Abstract:: This DOI is not currently attached to any meaningful content. This often occurs when a DOI Name is created in error and it is configured ...
Resource Type:: Article
Date Uploaded:: 31/07/2023

Identification of gas species and their concentrations by using sorption kinetics of viscoelastic film

Description/Abstract:: Nanomechanical sensors and their arrays have been attracting significant attention for detecting, distinguishing, and identifying target ...
Keyword:: nanomechanical sensors and sorption kinetics
Resource Type:: Proceeding
Author:: Kosuke Minami, Kota Shiba, Gaku Imamura, and Genki Yoshikawa
Date Uploaded:: 28/07/2023

Effects of Center Metals in Porphines on Nanomechanical Gas Sensing

Description/Abstract:: Porphyrin is one of the most promising materials for realizing a practical artificial olfactory sensor system. In this study, we focus on...
Keyword:: nanomechanical sensors and porphine
Resource Type:: Article
Author:: Huynh Ngo, Kosuke Minami, Gaku Imamura, Kota Shiba, and Genki Yoshikawa
Journal:: SENSORS
Date Uploaded:: 28/07/2023

Graphene Oxide as a Sensing Material for Gas Detection Based on Nanomechanical Sensors in the Static Mode

Description/Abstract:: Graphene is a key material for gas sensing applications owing to its high specific surface area and vast chemical modification potential....
Keyword:: graphene oxide and nanomechanical sensors
Resource Type:: Article
Author:: Gaku Imamura, Kosuke Minami, Kota Shiba, Kissan Mistry, Kevin P. Musselman, Mustafa Yavuz, Genki Yoshikawa, Koichiro Saiki, and Seiji Obata
Journal:: Chemosensors
Date Uploaded:: 27/07/2023

Sorption-induced static mode nanomechanical sensing with viscoelastic receptor layers for multistep injection-purge cycles

Description/Abstract:: Nanomechanical sensors and their arrays have been attracting significant attention for detecting, distinguishing, and identifying target ...
Keyword:: nanomechanical sensors and sorption kinetics
Resource Type:: Article
Author:: Kosuke Minami, Kota Shiba, and Genki Yoshikawa
Journal:: JOURNAL OF APPLIED PHYSICS
Date Uploaded:: 25/07/2023

Nanomechanical Sensors for Gas Detection towards Artificial Olfaction

Description/Abstract:: Editorial for the Special Issue guest-edited by Kosuke Minami entitled "Nanomechanical Sensors for Gas Detection."
Keyword:: nanomechanical sensors
Resource Type:: Report
Author:: Kosuke Minami
Date Uploaded:: 25/07/2023

Discrimination of Methanol from Ethanol in Gasoline Using a Membrane-type Surface Stress Sensor Coated with Copper(I) Complex

Description/Abstract:: We successfully fabricated a novel sensing platform, a Membrane-type Surface stress Sensor (MSS) coated with copper(I) complex for specif...
Keyword:: metal complex, methanol sensing, and nanomechanical sensors
Resource Type:: Article
Author:: Michihiro Nishikawa, Tomohiro Murata, Shinsuke Ishihara, Kota Shiba, Lok Kumar Shrestha, Genki Yoshikawa, Kosuke Minami, and Katsuhiko Ariga
Journal:: BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN
Date Uploaded:: 25/07/2023

Finite Element Analysis of Interface Dependence on Nanomechanical Sensing

Description/Abstract:: Nanomechanical sensors and their arrays have been attracting significant attention for detecting, discriminating and identifying target a...
Keyword:: finite element analysis and nanomechanical sensors
Resource Type:: Article
Author:: Kosuke Minami and Genki Yoshikawa
Journal:: SENSORS
Date Uploaded:: 25/07/2023

Statistical Evaluation of Total Expiratory Breath Samples Collected throughout a Year: Reproducibility and Applicability toward Olfactory Sensor-Based Breath Diagnostics

Description/Abstract:: The endogenous volatile organic compounds (VOCs) in exhaled breath can be promising biomarkers for various diseases including cancers. An...
Keyword:: breath analysis and nanomechanical sensors
Resource Type:: Article
Author:: Katsushige Inada, Hiroshi Kojima, Yukiko Cho-Isoda, Ryo Tamura, Gaku Imamura, Kosuke Minami, Takahiro Nemoto, and Genki Yoshikawa
Journal:: SENSORS
Date Uploaded:: 25/07/2023

Highly Ordered 1D Fullerene Crystals for Concurrent Control of Macroscopic Cellular Orientation and Differentiation toward Large-Scale Tissue Engineering

Description/Abstract:: We have demonstrated that aligned 1D fullerene whisker (FW) scaffolds induce myogenic differentiation from myoblast to myotube. FWs were ...
Keyword:: cell scaffold, fullerene, and tissue engineering
Resource Type:: Article
Author:: Kosuke Minami, Yuki Kasuya, Tomohiko Yamazaki, Qingmin Ji, Waka Nakanishi, Jonathan P. Hill, Hideki Sakai, and Katsuhiko Ariga
Journal:: ADVANCED MATERIALS
Date Uploaded:: 25/07/2023

Measurement of Volatile Fatty Acids in Silage through Odors with Nanomechanical Sensors

Description/Abstract:: The measurement of volatile fatty acids (VFAs) is of great importance in the fields of food and agriculture. There are various methods to...
Keyword:: nanomechanical sensors and olfactory sensors
Resource Type:: Article
Author:: Kosuke Minami, Hisami Kobayashi, Masaaki Matoba, Yuko Kamiya, Subrata Maji, Takahiro Nemoto, Masanori Tohno, Ryoh Nakakubo, and Genki Yoshikawa
Journal:: Biosensors-Basel
Date Uploaded:: 25/07/2023

Recent Advances in Nanomechanical Membrane-Type Surface Stress Sensors towards Artificial Olfaction

Description/Abstract:: Nanomechanical sensors have gained significant attention as powerful tools for detecting, dis-tinguishing, and identifying target analyte...
Keyword:: nanomechanical sensors
Resource Type:: Article
Author:: Kosuke Minami, Gaku Imamura, Ryo Tamura, Kota Shiba, and Genki Yoshikawa
Journal:: Biosensors-Basel
Date Uploaded:: 25/07/2023

Detection of Trace Amounts of Water in Organic Solvents by DNA-Based Nanomechanical Sensors

Description/Abstract:: Detection of trace amounts of water in organic solvents is of great importance in the field of chemistry and industry. Karl-Fischer titra...
Keyword:: Trace amounts of water and nanomechanical sensors
Resource Type:: Article
Author:: Tomohiro Murata, Kosuke Minami, Tomohiko Yamazaki, Genki Yoshikawa, and Katsuhiko Ariga
Journal:: Biosensors-Basel
Date Uploaded:: 25/07/2023

Effects of partial attachment at the interface between receptor and substrate on nanomechanical cantilever sensing

Description/Abstract:: In nanomechanical sensing, the interfacial structure between a receptor layer and an underlying substrate affects output signals, especia...
Keyword:: finite element analysis and nanomechanical sensors
Resource Type:: Article
Author:: Kosuke Minami and Genki Yoshikawa
Journal:: SENSORS AND ACTUATORS A-PHYSICAL
Date Uploaded:: 25/07/2023

Supramolecular Differentiation for Construction of Anisotropic Fullerene Nanostructures by Time-Programmed Control of Interfacial Growth

Description/Abstract:: We demonstrate the preparation of anisotropic fullerene-based nanostructures by supramolecular differentiation, which is the programmed c...
Keyword:: fullerene and self-assembly
Resource Type:: Article
Author:: Partha Bairi, Kosuke Minami, Jonathan P. Hill, Waka Nakanishi, Lok Kumar Shrestha, Chao Liu, Koji Harano, Eiichi Nakamura, and Katsuhiko Ariga
Journal:: ACS NANO
Date Uploaded:: 25/07/2023

Suppression of Myogenic Differentiation of Mammalian Cells Caused by Fluidity of A Liquid-Liquid Interface

Description/Abstract:: We demonstrate the regulation of myogenic differentiation on fluid substrates by using a liquid–liquid interface as a scaffold. C2C...
Keyword:: cell scaffold and liquid-liquid interface
Resource Type:: Article
Author:: Kosuke Minami, Taizo Mori, Waka Nakanishi, Narumi Shigi, Jun Nakanishi, Jonathan P. Hill, Makoto Komiyama, and Katsuhiko Ariga
Journal:: ACS APPLIED MATERIALS & INTERFACES
Date Uploaded:: 24/07/2023

Raw data files for Fig. 11 Auger depth profiles in "Auger Depth Profiling Analysis of HfO2/Si Specimen Using an Ultra Low Angle Incidence Ion Beam"

Description/Abstract:: We have investigated the Auger depth profiling analysis of HfO2/Si by the glancing-angle ion beam sputtering method at an incident angle ...
Keyword:: Auger depth profiling analysis, HfO2/Si, and Ultra low angle incidence ion beam
Resource Type:: Dataset
Data origin:: experiments
Author:: OGIWARA, Toshiya, NAGATA, Takahiro, and YOSHIKAWA, Hideki
Date Uploaded:: 13/07/2023
Date Modified:: 07/08/2023

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