Half-metallic ferromagnetic Heusler alloys having high spin polarization are promising candidates to realize large magnetoresistance (MR)...

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...

EEG measures electric potential changes in the scalp. Even though it has been associated with human thoughts, there has been no direct ev...

Cr3+-doped Ga2O3 crystals with a corundum structure were synthesized under high temperature and high pressure, and their excitation as we...

Depth-sectioning Scanning TEM (STEM) is a promising technique that enhances the signal for a sample embedded in a matrix. It can increase...

Investigation of Superconducting Gap of High‑Entropy Telluride AgInSnPbBiTe5について

X-ray Photoelectron Spectroscopy (XPS) is a powerful technique that reveals surface chemical states, and least-squares curve-fitting is c...

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...

We investigated track formation under an irradiation of less than 1 MeV: (i) With a decrease in energy, the diameters and lengths of the ...

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...

The integration of artificial intelligence into various domains is rapidly increasing, with Large Language Models (LLMs) becoming more pr...

Ausformed specimens of the chromium-molybdenum steel JIS-SCM440 were subjected to fatigue tests in both air and 90 MPa hydrogen gas. The ...

Acceleration of fatigue crack growth in steels under hydrogenating environments (hydrogen-assisted fatigue crack growth, HA-FCG) is of cr...

Phase Diagram of Pressure-Induced High Temperature Superconductor La3Ni2O7+δについて

現在、原型炉設計合同特別チームでは、第 2 回中間チェックアンドレビューに向け原型炉概念を設計中である。昨今の炉の小型化、コスト低減の機運を受けて、原型炉設計合同特別チームの活動の⼀環として「原型炉 TF コイル⼨法検討会」を⽴ち上げ、製作メーカを含め「製作が⾒通せる」原型...

Single-atom catalysts are thought to be the pinnacle of catalysis. However, for many reactions, their suitability has yet to be unequivoc...

特集：日本接着学会創立 60 周年記念号での構造接着・精密接着研究会の紹介

We found that Gaussian white noise with the zero-mean has a substantial effect, which manifests itself in a period of free induction dec...

Nanomaterials’ research plays an important role in solving problems and improving our lives in every aspect of technology. In this contex...

光を物質に照射し、放出される光電子を検出する、という一次光学過程に基づいた分光分析手法が光電子分光法である。物性実験系の研究をしていると、一度は触れたことがある分析手法といっても過言ではない。しかし、化学反応を分析するツールとしては一般的なものとは言い難い。本稿では、放射光...

Luminescent materials require systems that exhibit both dual-state emission (DSE) and aggregation-induced emission (AIE) to overcome the ...

Quantum capacitance and quantum inductance, two well-known signatures of quantum properties detect here subtle changes in the resonance f...

The conventional EEG machine measures brain signal frequencies between 1 and 300 Hz on the scalp. By utilizing Fourier transform (FFT), i...

Conventional cancer drugs are small molecules that target specific pathways. We introduced PCMS, a 26 kDa supramolecule combining sensor...

A dividing cell finds precisely the future 3D location to put its daughter cell by sensing the environment far outside its cell boundary....

A direct external input energy source (e.g., light, chemical reaction, redox potential, etc.) is compulsory to supply energy to rotary mo...

Clathrin protein coats the deposits into vesicles, sorts and carries the cargo to the destination, thus, cleans the waste. The degraded p...

The grain growth behavior during an AC flash event was examined in 8 mol% yttria-stabilized cubic zirconia (8Y-CSZ) polycrystals. The eff...

Malfunctioning of the pancreas leads to insufficient insulin secretion from pancreatic beta cells in type 1 diabetes mellitus patients. E...

自己治癒セラミックスは航空機エンジンなどの極限環境下で使用される部材の信頼性向上および機器保全に革新をもたらす新たな構造材料として注目されている。材料自身が、使用中に損傷を自己治癒し、強度・性能を自律的にかつ完全に回復することができれば、機器保全の大幅な合理化が可能となる。...

The development of tough, reusable adhesives is important but remains a major challenge, especially in water. A tough, reusable adhesive ...

The combination of glass-forming oxides can induce phase separation at the atomic level, particularly when a mixture involves both ionic ...

Copper-free synthesis of cationic glycidyl triazolyl polymers (GTPs) is achieved through a thermal azide-alkyne cycloaddition reaction be...

論文では、0.09質量％のリン（P）を添加した中炭素低合金鋼について、マルテンサイト組織の温間加工（温間テンプフォーム）で作製される超微細繊維状結晶粒組織材の遅れ破壊特性を調査した。

From image processing to information retrieval from the brain structure and signal, brain researchers find common geometric shapes from t...

In gapped Dirac materials, the topological current associated with each valley can flow in opposite directions creating long-range charge...

It is important to understand the effect of hydrogen on the fatigue properties of materials to ensure the safety and reliability of hydro...

日本から提案した，中空試験片を用いた簡便な高圧水素中の材料試験法のISO 7039 Metallic materials — Tensile testing — Method for evaluating the susceptibility of materials to...

The integration of the phase-field method with CALculation of PHAse Diagrams (CALPHAD) free-energy datasets has significantly improved th...

NIMSでは、液化水素の製造、輸送・貯蔵、利用に関わる機器等の低コスト化の実現に資することを目的として、鉄鋼材料をはじめとした構造材料の液化水素を含む低温水素環境下での機械特性評価に関する研究開発として、「GI基金事業／大規模水素サプライチェーンの構築／液化水素関連機器の研...

Heteroatom-embedded hexa-peri-hexabenzocoronene (HBC) molecules exhibit interesting properties depending on the number and position of th...

本論文では、金属材料の塑性破壊メカニズムの解明に向けた微視的ひずみマッピングの最近の要求と発展について概説する。 最も堅実なひずみマッピング法である微小格子法が開発された後、様々な要求を持つひずみマッピング法が提案されている。 例えば、ひずみ精度、空間分解能、時間分解能、視...

Nanotechnology has revealed the science of the nanoscale. The global challenge that will follow is to build up functional materials with ...

Developing high-performance and stable Sn-based perovskite solar cells (PSCs) is difficult due to the inherent tendency of Sn2+ oxidation...

There are a wide variety of measurement techniques that produce spectra as output datasets. Existing data analysis software and some open...

The nanosized boron vacancy (V−B) defect spot in hexagonal boron nitride (h-BN) is promising for a local magnetic field quantum sensor. O...

A connection between the effects of solute hydrogen (H) on macroscopic flow stress and microscopic dislocation mobility has been a subjec...

Ni基合金鋳物部材の耐酸化特性向上を目的としたキャストコーティング法の可能性を評価した．Pt, Ir, Reなど耐酸化特性の向上が期待できる金属片を鋳型に設置し,Ni-10at%Al合金で鋳ぐるみを行い,鋳物表面でのPt, Ir, Re濃化層形成状況を調査した．得られた相互...

Hydrogen-assisted (HA) fatigue crack growth (FCG) occurs in ferritic steels, wherein H-dislocation interaction plays a vital role. We aim...

The nickel element doped holmium oxide (Ho2O3:Ni) transparent magnetooptical ceramics were fabricated by vacuum sintering and the dopant ...

Permanent magnets are widely used in green energy conversion and play an important role in achieving net-zero CO2 emissions. In order to ...

Soft magnets are important components in high-frequency power electronic devices, significantly contributing to efficient energy conversi...

Additive manufacturing technology is garnering attention as a novel approach for the fabrication of components with complex shapes. Never...

The strength of Cu-Ni-Si alloy can be improved by finely dispersing Ni-Si-based compounds as precipitates into the Cu matrix through heat...

核融合炉や粒子加速器マグネットにおいて、Nb3Sn線材はキーコンポーネントであり、性能向上が切望されている。本研究ではその抑制につながる、Ti添加場所を検討するため、ラボラトリースケールの内部スズ法Nb3Sn多芯線材を作製して、Nb3Sn層形成および超電導特性に与える影響を...

近年、Nb3Sn 超電導線材の高性能化への要望は、高エネルギー加速器、核融合炉などの高磁場マグネット応用においてますます高まっている。本研究では、内部スズ法をベースに、Cu 母材への Zn および Mg添加効果、および Ti の添加場所の効果を調べた。

SPS法は、高緻密なバルクセラミックス、とりわけ難焼結材料の緻密化に広く利用されているが、その急速加熱によりもたらされる短時間焼結により、緻密化に加え、組織の粗大化を抑制したナノ組織のセラミックス焼結体の創成にも非常に有効であることが報告されている。近年、この緻密化と細粒組...

Layered sodium nickel manganese oxides (NaxNiyMn1-yO2) have gained great interest as one of the positive electrode materials in sodium io...

Hard carbon (HC) is a promising negative-electrode material for Na-ion batteries. HC electrochemically store Na+ ions, resulting in a non...

High-entropy layered oxide materials containing various metals that exhibit smooth voltage curves and excellent electrochemical performan...

Assuming the heat is transported by lattice vibration (phonon) in silicate glasses, their thermal conductivity correlates with the produc...

Permanent magnets are widely used in green energy conversion and play an important role in achieving net-zero CO2 emissions. In order to ...

The effects of C and N on solid solution strengthening and grain refinement strengthening were quantitatively evaluated using various aus...

The slow β, or Johari–Goldstein (JG) relaxation process, has been widely observed in glasses and is known to induce the stress relaxation...

Transferring the excellent intrinsic magnetic properties of SmFe12-based compounds to their extrinsic properties remains the main challen...

Interfacial electronic band-matching (EBM) plays a crucial role in determining the spin-dependent transport properties and performance of...

We know that perovskite quantum dot (PQD) glass is one of the effective ways to achieve high stability, high reliability and high weather...

Half-metallic ferromagnets exhibit a perfect spin-polarization at the Fermi energy (EF). Among many candidates, Co2MnSi Heusler alloy is...

深層学習や生成A I（人工知能）といった先端的な機械学習が私たちの生活を大きく変容させている．その一方で，機械学習によって消費される電力やクラウドとの通信量は指数関数的に増加しており，深刻な社会問題となっている．従来型コンピュータを基盤とするシステムでは解決が困難であり，全...

A current-perpendicular-to-plane giant magnetoresistive (CPP-GMR) device with a half-metallic electrode is one of the most promising cand...

The emergence of nontrivial quantum states from competing interactions is a central issue in quantum magnetism. In particular, for the re...

Studying multiple properties of a material concurrently is essential for obtaining a comprehensive understanding of its behavior and perf...

In this study, we investigate the effectiveness of noise reduction in electron holography, based on the wavelet hidden Markov model (WHMM...

To investigate the relationship between microstructure, chemical composition, and thermoelectric properties, we have applied graded tempe...

Intrinsic magnetic topological insulators, in which magnetism and topology are inherently combined, are excellent systems to realize exot...

Type-A aortic dissection is an acute injury involving the delamination of the aorta at the parts of the aortic media. Aldehyde crosslinke...

有機半導体の電子機能の源であるπ電子骨格としてこれまでベンゼン骨格やチオフェン骨格やならんだものが用いられている。今回ベンゾチエノベンゾチオフェン（BTBT）にチオフェン環のを付与したBTBTT半導体において、チオフェン環やアルキル鎖の置換位置の異なる異性体を作製して、その...

Recently, aqueous rechargeable zinc-ion batteries (AZIBs) have attracted much attention owing to their low cost and intrinsic safety. How...

細胞，細胞成長因子，および細胞足場材料を組み合わせて，けがや病気などによって機能が失われてしまった組織を再生する組織工学のアプローチが盛んに行われている．組織工学において，いかにして細胞の機能を制御し，より機能性が高い組織を再生することが非常に重要である．そのために，細胞の...

To enable the application to next-generation devices of semiconductor nanowires (NWs), it is important to control their formation and tun...

物質・材料研究機構が、株式会社竹中工務店、淡路マテリア株式会社との共同研究によって開発した、従来比10倍の低サイクル疲労寿命を有する新しい制振ダンパー合金を紹介する。

電場応答性および光応答性を示すオキサジアゾール骨格を有するポリカテナール液晶の開発に関して、ジャイロイドキュービック構造および強誘電カラムナー液晶相の構造解析および光電子機能について報告する。

Polyolefins are some of the most widely used plastics in the world due to being lightweight, low cost, and resistant to water and most ch...

High-performance β-Ga2O3-based Schottky barrier diodes (SBDs) and metal-semiconductor field-effect transistors (MESFETs) are fabricated o...

当研究グループにおける、生体内溶解性Mg合金のための水酸／炭酸アパタイト被膜の開発経緯とこれまでの生体外・生体内諸特性評価の結果について概説した。

Atomic-scale observations in a desired local area should bring a great benefit to exploring novel fundamental materials and devices. Deve...

Various fillers and thermoplastics are often added to thermoset epoxies to improve toughness, but this may compromise their other propert...

The photovoltaic performance of molybdenum cluster-sensitized solar cells has been explored with the challenge of enhancing their efficie...

It is of great significance to grasp the role of surface topography in de-icing, which however remains unclear yet. Herein, four textured...

For practical olfactory sensing with a safe and low- power system, it is important to be able to operate easily at room temperature. Howe...

Series of Ni-base single-crystal superalloys with superior thermal durability have been developed to improve thermal efficiency of gas tu...

においセンサは，近年その需要が増しているものの，技術的な課題が多いことから，まだ世の中に普及しているとは言えない状況である．このにおいセンサの技術を世の中に送り出すべく，膜型表面応力センサ（MSS: Membrane-type Surface stress Sensor）を...

In advancing ultrafast quantum communication and computing, it is crucial to develop precise time-resolved measurement techniques for s...

Ferrimagnetic materials have garnered significant attention due to their broad range of tunabilities and functionalities in spintronics a...

Molecular hydrogen is an important gas species for understanding the early Martian climate and redox chemistry. Through ancient aqueous a...

電解液をセラミックの固体電解質に置き換えた全固体電池は、現在広く使われているリチウムイオン電池と比べ高い信頼性が期待されている。硫化物系の固体電解質を用いた全固体電池は、現行のリチウムイオン電池と同等、もしくはそれ以上のエネルギー密度、出力密度が見通せる程に研究開発が進んで...

The hydrothermal method can be used to synthesize high purity layered clay minerals. Experiential techniques for the hydrothermal synthes...

We have developed the titanium oxynitride (TiON) layer which exhibits antibacterial activity against Escherichia coli without sunlight i...

Fatigue limit is well predicted by tensile strength or hardness, and the relationship is often analyzed by linear regression using the mi...

On-surface reactions are rapidly gaining attention as a chemical technique for synthesizing organic functional materials such as graphene...