Index Catalog // MDR

Using selective-area growth and selective-area etching on (−102) β-Ga2O3 substrates to fabricate plasma-damage-free vertical fins and trenches

Description/Abstract:: We have demonstrated selective-area growth and selective-area etching on SiO2-masked (−102) β-Ga2O3 substrates using a HCl-based halide-v...
Keyword:: (-102), Ga2O3, selective area etching, and selective area growth
Resource Type:: Article
Author:: Takayoshi Oshima and Yuichi Oshima
Journal:: APPLIED PHYSICS LETTERS
Date Uploaded:: 25/01/2025

Numerical Analysis to Evaluate the Effect of Cooling Rates on Microstructures in Casted Cu-Ni-Si Alloys by Phase-Field Simulation

Description/Abstract:: Corson (Cu-Ni-Si) alloys were unidirectionally solidified via the Mizuta method under air or water cooling. To replicate the microstructu...
Keyword:: Colson alloy, Microstructure, and Phase-field model
Resource Type:: Article
Author:: Yuki Muto, Kazuki Kammuri, Junji Miyake, Machiko Ode, Tetsusei Kurashiki, and Hiroaki Mori
Journal:: MATERIALS TRANSACTIONS
Date Uploaded:: 24/01/2025

Tailored Design of Mesoporous Nanospheres with High Entropic Alloy Sites for Efficient Redox Electrocatalysis

Description/Abstract:: High Entropy Alloys (HEAs) are a versatile material with unique properties, tailored for various applications. They enable pH-sensitive e...
Keyword:: High entropy alloy, Mesoporous, hydrogen evolution, and hydrogen oxidation
Resource Type:: Article
Author:: Ravi Nandan, Hiroki Nara, Ho Ngoc Nam, Quan Manh Phung, Quynh Phuong Ngo, Jongbeom Na, Joel Henzie, and Yusuke Yamauchi
Journal:: Advanced Science
Date Uploaded:: 24/01/2025

Dual-Atom Co/Ni Electrocatalyst Anchored at the Surface-Modified Ti3C2Tx MXene Enables Efficient Hydrogen and Oxygen Evolution Reactions

Description/Abstract:: Dual-atom catalytic sites on conductive substrates offer a promising opportunity for accelerating the kinetics of multistep hydrogen and ...
Keyword:: MXene substrate, anchor L-tryptophan molecules, dual-atom electrocatalyst, hydrogen evolution reaction, and oxygen evolution reaction
Resource Type:: Article
Author:: Xin Zhao, Wan-Peng Li, Yanhui Cao, Arsenii Portniagin, Bing Tang, Shixun Wang, Qi Liu, Denis Y. W. Yu, Xiaoyan Zhong, Xuerong Zheng, and Andrey L. Rogach
Journal:: ACS Nano
Date Uploaded:: 24/01/2025

Diamond NEMS Resonators for Real-Time Dual Sensing of Magnetic Fields and Temperatures up to 500°C

Description/Abstract:: Real-time multifunctional sensing of magnetic fields and temperatures with preserved performances from room temperature to 500℃ has posed...
Keyword:: Diamond, MEMS, and magnetic sensors
Resource Type:: ProceedingsArticle
Author:: Zilong Zhang, Keyun Gu, Guo Chen, Yasuo Koide, Satoshi Koizumi, and Meiyong Liao
Journal:: 2024 IEEE 19th International Conference on Nano/Micro Engineered and Molecular Systems (NEMS)
Date Uploaded:: 24/01/2025

Origin of the difference in spin-dependent transport properties between half-metallic <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi mathvariant="normal">C</mml:mi><mml:msub><mml:mi mathvariant="normal">o</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:mi>FeG</mml:mi><mml:msub><mml:mi mathvariant="normal">a</mml:mi><mml:mrow><mml:mn>0.5</mml:mn></mml:mrow></mml:msub><mml:mi mathvariant="normal">G</mml:mi><mml:msub><mml:mi mathvariant="normal">e</mml:mi><mml:mrow><mml:mn>0.5</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi mathvariant="normal">C</mml:mi><mml:msub><mml:mi mathvariant="normal">o</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:mi mathvariant="normal">M</mml:mi><mml:msub><mml:mi mathvariant="normal">n</mml:mi><mml:mrow><mml:mn>0.5</mml:mn></mml:mrow></mml:msub><mml:mi mathvariant="normal">F</mml:mi><mml:msub><mml:mi mathvariant="normal">e</mml:mi><mml:mrow><mml:mn>0.5</mml:mn></mml:mrow></mml:msub><mml:mi>Si</mml:mi></mml:mrow></mml:math> with the Ag spacer

Description/Abstract:: Current-perpendicular-to-plane giant magnetoresistive (CPP-GMR) devices are promising for next-generation magnetic read heads in hard di...
Keyword:: Heusler, giant magnetoresistance, half-metal, and spintronics
Resource Type:: Article
Author:: Kodchakorn Simalaotao, Yoshio Miura, and Yuya Sakuraba
Journal:: Physical Review Materials
Date Uploaded:: 24/01/2025

Adhesive-less bonding of incompatible thermosetting materials

Description/Abstract:: We show that dynamic covalent exchange at the interface of two thermosetting polymers results in strong bonding between the materials vi...
Keyword:: adhesive
Resource Type:: Article
Author:: Shhyam Khairkkar, Amol V. Pansare, Shubham V. Pansare, Shraddha Y. Chhatre, Junji Sakamoto, Michel Barbezat, Giovanni P. Terrasi, Vishwanath R. Patil, Amit A. Nagarkar, and Masanobu Naito
Journal:: RSC Applied Polymers
Date Uploaded:: 24/01/2025

Acquiring and transferring comprehensive catalyst knowledge through integrated high-throughput experimentation and automatic feature engineering

Description/Abstract:: Solid catalyst development has traditionally relied on trial-and-error approaches, limiting the broader application of valuable insights ...
Keyword:: Catalyst informatics, descriptor, high-throughput experimentation, machine learning, and oxidative coupling of methane
Resource Type:: Article
Author:: Ayu Fujiwara, Sunao Nakanowatari, Yohei Cho, and Toshiaki Taniike
Journal:: Science and Techonology of Advanced Materials
Date Uploaded:: 23/01/2025

Tailoring stresses in piezoresistive microcantilevers for enhanced surface stress sensing: insights from topology optimization

Description/Abstract:: In assessing piezoresistive microcantilever sensitivity for surface stress sensing, the key is its capacity to translate surface stress i...
Keyword:: Topology optimization and nanomechanical sensors
Resource Type:: Article
Author:: Chao Zhuang, Kosuke Minami, Kota Shiba, and Genki Yoshikawa
Journal:: Japanese Journal of Applied Physics
Date Uploaded:: 23/01/2025

Large magnetoresistance and high spin-transfer torque efficiency of Co2MnxFe1−xGe (0 ≤ x ≤ 1) Heusler alloy thin films obtained by high-throughput compositional optimization using combinatorially sputtered composition-gradient film

Description/Abstract:: Half-metallic ferromagnetic Heusler alloys having high spin polarization are promising candidates to realize large magnetoresistance (MR)...
Keyword:: Giant magnetoimpedance materials, Spin-transfer-torque, and Spintronic devices
Resource Type:: Article
Author:: Vineet Barwal, Hirofumi Suto, Ryo Toyama, Kodchakorn Simalaotao, Taisuke Sasaki, Yoshio Miura, and Yuya Sakuraba
Journal:: APL Materials
Date Uploaded:: 22/01/2025

3DP特異界面のナノ構造とその力学挙動

Description/Abstract:: 近年，新しい種類の構造材料としてハイエントロピー合金(HEA)が注目を集めている．HEA は典型的には5 種類以上の元素から構成される合金であり，高い混合エントロピーに起因した固溶状態の形成により，優れた特性を発現すると期待されている．特に，中野らによって報告されているTi...
Keyword:: ハイエントロピー合金, 微細組織, 積層造形, and 電子顕微鏡
Resource Type:: Article
Author:: 江草大佑, Han Chen, Zehao Li, 佐々木泰祐, and 阿部英司
Journal:: まてりあ
Date Uploaded:: 22/01/2025

Dodecanogram (DDG): Advancing EEG technology with a high- frequency brain activity measurement device

Description/Abstract:: EEG measures electric potential changes in the scalp. Even though it has been associated with human thoughts, there has been no direct ev...
Keyword:: Dodecanogram, EEG, brain, high frequency, and human subject
Resource Type:: Article
Author:: P. Singh, J.S. Manna, P. Dey, S. Sarkar, A. Pattanayaka, S. Nag, S, Pramanik, K. Saxena, S.D. Krishnananda, T. Dutta, and A. Bandyopadhyay
Journal:: Journal of Multiscale Neuroscience
Date Uploaded:: 22/01/2025

High-Pressure Synthesis of Corundum-Type Ga2O3:Cr3+ and Application of Its Fluorescence to the Pressure Scale

Description/Abstract:: Cr3+-doped Ga2O3 crystals with a corundum structure were synthesized under high temperature and high pressure, and their excitation as we...
Keyword:: corundum, doping, fluorescence , gallium oxides, and pressure scale
Resource Type:: Article
Author:: Hitoshi Yusa and Masashi Miyakawa
Journal:: INORGANIC CHEMISTRY
Date Uploaded:: 22/01/2025

Depth sectioning using environmental and atomic-resolution STEM

Description/Abstract:: Depth-sectioning Scanning TEM (STEM) is a promising technique that enhances the signal for a sample embedded in a matrix. It can increase...
Keyword:: Atomic resolution, Depth sectioning, Environmental cell, and STEM
Resource Type:: Article
Author:: Masaki Takeguchi, Ayako Hashimoto, and Kazutaka Mitsuishi
Journal:: Microscopy
Date Uploaded:: 22/01/2025

Investigation of Superconducting Gap of High‑Entropy Telluride AgInSnPbBiTe5

Description/Abstract:: Investigation of Superconducting Gap of High‑Entropy Telluride AgInSnPbBiTe5について
Keyword:: Superconducting gap, High-pressure synthesis, Metal telluride, Superconductivity, and μSR
Resource Type:: Article
Author:: Asato Seshita, Hirotaka Okabe, Riad Kasem, Yuto Watanabe, Jumpei G. Nakamura, Shoichiro Nishimura, Kensei Terashima, Ryo Matsumoto, Yoshihiko Takano, Aichi Yamashita, Masaki Fujita, and Yoshikazu Mizuguchi
Journal:: High Entropy Alloys & Materials
Date Uploaded:: 21/01/2025

Bayesian estimation analysis of X-ray photoelectron spectra: Application to Si 2p spectrum analysis of oxidized silicon surfaces

Description/Abstract:: X-ray Photoelectron Spectroscopy (XPS) is a powerful technique that reveals surface chemical states, and least-squares curve-fitting is c...
Keyword:: Bayesian estimation, Silicon surface oxidation, Statistical analysis, and X-ray photoelectron spectroscopy
Resource Type:: Article
Author:: Hiroshi Shinotsuka, Kenji Nagata, Hideki Yoshikawa, Shuichi Ogawa, and Akitaka Yoshigoe
Journal:: Applied Surface Science
Date Uploaded:: 21/01/2025

研究データ管理における検索機能の実装とその変遷

Description/Abstract:: 研究データ管理において保持するデータの再利用を促すためには, そのデータに関するメタデータの記述充実度や検索妥当性が重要になる. 高い研究専門性になる程, データ記述で利用される語彙やデータ構造は概念上の特化が進むため, その概念が持つ意味合いを反映した問合せ処理の実現が必...
Keyword:: 研究データ管理
Resource Type:: Article
Author:: 菊地伸治, 田辺浩介, 坂本浩一, 高田安裕, 傳法春樹, 門平卓也, and 谷藤幹子
Journal:: 情報システム学会誌
Date Uploaded:: 21/01/2025

An extraordinarily low-energy threshold of less than 60 keV for ion track formation in silicon

Description/Abstract:: We investigated track formation under an irradiation of less than 1 MeV: (i) With a decrease in energy, the diameters and lengths of the ...
Keyword:: C60 ion, cluster effect, ion track, silicon, and swift heavy ion
Resource Type:: Article
Author:: H. Amekura, K. Narumi, A. Chiba, Y. Hirano, K. Yamada, S. Yamamoto, and Y. Saitoh
Journal:: Materialia
Date Uploaded:: 21/01/2025

バナジウム膜を透過する水素の局所可視化の試み

Description/Abstract:: オペランド水素顕微鏡を使用して、バナジウム膜を通過する水素の透過を可視化した。初めての試みであるため、実験条件等の最適化を行い、その結果、透過水素の分布と二次電子顕微鏡で観察されるバナジウム粒子の形状との間に良好な相関があることを発見した。詳細な解析には追加の計測や時間がか...
Keyword:: Vanadium, hydrogen permeation, and hydrogen visualization
Resource Type:: Article
Author:: 藤丸朋泰, 木本裕大, 佐藤翔一, 宮内直弥, 永森繭, 艸分倫子, 板倉明子, and 松本佳久
Journal:: 表面と真空
Date Uploaded:: 21/01/2025

Exploring the Expertise of Large Language Models in Materials Science and Metallurgical Engineering

Description/Abstract:: The integration of artificial intelligence into various domains is rapidly increasing, with Large Language Models (LLMs) becoming more pr...
Keyword:: Large language models, Materials science, and Metallurgical Engineering
Resource Type:: Article
Author:: Christophe Bajan and Guillaume Lambard
Journal:: Digital Discovery
Date Uploaded:: 21/01/2025

Using selective-area growth and selective-area etching on (−102) β-Ga2O3 substrates to fabricate plasma-damage-free vertical fins and trenches

Numerical Analysis to Evaluate the Effect of Cooling Rates on Microstructures in Casted Cu-Ni-Si Alloys by Phase-Field Simulation

Tailored Design of Mesoporous Nanospheres with High Entropic Alloy Sites for Efficient Redox Electrocatalysis

Dual-Atom Co/Ni Electrocatalyst Anchored at the Surface-Modified Ti<sub>3</sub>C<sub>2</sub>T<sub><i>x</i></sub> MXene Enables Efficient Hydrogen and Oxygen Evolution Reactions

Diamond NEMS Resonators for Real-Time Dual Sensing of Magnetic Fields and Temperatures up to 500°C

Adhesive-less bonding of incompatible thermosetting materials

Acquiring and transferring comprehensive catalyst knowledge through integrated high-throughput experimentation and automatic feature engineering

Tailoring stresses in piezoresistive microcantilevers for enhanced surface stress sensing: insights from topology optimization

Large magnetoresistance and high spin-transfer torque efficiency of Co2Mn<i>x</i>Fe1−<i>x</i>Ge (0 ≤ <i>x</i> ≤ 1) Heusler alloy thin films obtained by high-throughput compositional optimization using combinatorially sputtered composition-gradient film

3DP特異界面のナノ構造とその力学挙動

Dodecanogram (DDG): Advancing EEG technology with a high- frequency brain activity measurement device

High-Pressure Synthesis of Corundum-Type Ga<sub>2</sub>O<sub>3</sub>:Cr<sup>3+</sup> and Application of Its Fluorescence to the Pressure Scale

Depth sectioning using environmental and atomic-resolution STEM

Investigation of Superconducting Gap of High‑Entropy Telluride AgInSnPbBiTe5

Bayesian estimation analysis of X-ray photoelectron spectra: Application to Si 2p spectrum analysis of oxidized silicon surfaces

研究データ管理における検索機能の実装とその変遷

An extraordinarily low-energy threshold of less than 60 keV for ion track formation in silicon

バナジウム膜を透過する水素の局所可視化の試み

Exploring the Expertise of Large Language Models in Materials Science and Metallurgical Engineering

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