Akihisa Takeuchi
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View article: Position‐ and Discharged Capacity‐Dependent Composition of Li <sub> 2‐ <i>X</i> </sub> O <sub>2</sub> within Cathode Layer of Lithium–Oxygen Battery Probed by Position‐Selective X‐Ray Diffraction Computed Tomography
Position‐ and Discharged Capacity‐Dependent Composition of Li <sub> 2‐ <i>X</i> </sub> O <sub>2</sub> within Cathode Layer of Lithium–Oxygen Battery Probed by Position‐Selective X‐Ray Diffraction Computed Tomography Open
Using a nondestructive synchrotron‐based position‐selective X‐ray diffraction computed tomography (XRD‐CT), position and discharged capacity dependences of the composition of the discharge products (Li‐deficient Li 2 O 2 ; Li 2‐ x O 2 ) wi…
View article: Simple Evaluation of Mechanical Properties of Polymer Binder in Negative Electrode for Lithium-Ion Battery (Application to PVDF-based Binder and SBR-based Binder)
Simple Evaluation of Mechanical Properties of Polymer Binder in Negative Electrode for Lithium-Ion Battery (Application to PVDF-based Binder and SBR-based Binder) Open
View article: Pyramidal soma size in the anterior cingulate cortex is small in schizophrenia and correlates with hallucination score
Pyramidal soma size in the anterior cingulate cortex is small in schizophrenia and correlates with hallucination score Open
Volumetric reduction of gray matter has repeatedly been reported for schizophrenia. Although meta-analyses of imaging studies revealed the macroscopic reduction of the anterior cingulate cortex in schizophrenia, its mechanism at the cellul…
View article: <i>Operando</i> Micro- and Nano-Computed Tomography Reveals Silicon–Electrolyte Interface Dynamics and Anisotropic Contact Loss in All-Solid-State Batteries
<i>Operando</i> Micro- and Nano-Computed Tomography Reveals Silicon–Electrolyte Interface Dynamics and Anisotropic Contact Loss in All-Solid-State Batteries Open
All-solid-state batteries (ASSBs) with silicon anodes offer high energy density and mitigate issues such as continuous solid-electrolyte interphase (SEI) formation in lithium-ion batteries with liquid electrolytes. However, the evolution o…
View article: Effect of cristobalite on the response to indentation in potassium-fluorrichterite glass-ceramics
Effect of cristobalite on the response to indentation in potassium-fluorrichterite glass-ceramics Open
View article: Structural differences between human and mouse neurons and their implementation in generative AIs
Structural differences between human and mouse neurons and their implementation in generative AIs Open
View article: Operando Micro- and Nano-CT Reveal Silicon–Electrolyte Interface Dynamics and Anisotropic Contact Loss in All-Solid-State Batteries
Operando Micro- and Nano-CT Reveal Silicon–Electrolyte Interface Dynamics and Anisotropic Contact Loss in All-Solid-State Batteries Open
All-solid-state batteries (ASSBs) with silicon anodes offer high energy density and mitigate issues such as continuous solid-electrolyte interphase (SEI) formation in lithium-ion batteries with liquid electrolytes. However, the evolution o…
View article: Multi-modal Image-based Analysis of Mechanically Induced Transformation Behavior during Bending Deformation in TRIP Steel
Multi-modal Image-based Analysis of Mechanically Induced Transformation Behavior during Bending Deformation in TRIP Steel Open
View article: Assessment of Fatigue Crack Initiation Behaviour in Ti-6Al-4V Alloy Using a Coarsened Surrogate Model
Assessment of Fatigue Crack Initiation Behaviour in Ti-6Al-4V Alloy Using a Coarsened Surrogate Model Open
View article: Analysis of Void Formation and Crack Propagation at Grain Boundaries in Al-Zn-Mg-Cu Alloy
Analysis of Void Formation and Crack Propagation at Grain Boundaries in Al-Zn-Mg-Cu Alloy Open
View article: Exceptional stress corrosion cracking resistance-strength synergy of Al-Zn-Mg-Cu alloys via tailored nano-sized particles
Exceptional stress corrosion cracking resistance-strength synergy of Al-Zn-Mg-Cu alloys via tailored nano-sized particles Open
High-strength Al-Zn-Mg-Cu alloys are extensively utilized in the aeronautics sector for lightweighting, but they are notoriously susceptible to stress corrosion cracking (SCC). Herein, a novel strategy was proposed to mitigate SCC in Al-Zn…
View article: Unravelling the role of inter CNT yarn–yarn interactions in governing the failure behavior in a unidirectional CNT yarn-reinforced plastic composite
Unravelling the role of inter CNT yarn–yarn interactions in governing the failure behavior in a unidirectional CNT yarn-reinforced plastic composite Open
View article: Hydrogen embrittlement in Al–Zn–Mg alloys: Semispontaneous decohesion of precipitates
Hydrogen embrittlement in Al–Zn–Mg alloys: Semispontaneous decohesion of precipitates Open
View article: Analysis of void formation and crack propagation at grain boundaries in Al-Zn-Mg-Cu alloy
Analysis of void formation and crack propagation at grain boundaries in Al-Zn-Mg-Cu alloy Open
View article: Insight into the Crucial Role of Piperazine in Co2 Mineralization Using Calcium Hydroxide and Incineration Fly Ash
Insight into the Crucial Role of Piperazine in Co2 Mineralization Using Calcium Hydroxide and Incineration Fly Ash Open
View article: Effectiveness of teaching Pediatric Basic Life Support to lay people and health professionals in a community
Effectiveness of teaching Pediatric Basic Life Support to lay people and health professionals in a community Open
Accidents like choking and drowning are important causes of death in the children range due to its quickness resulting in a Cardiorespiratory Arrest in the extrahospitalar setting. BLS procedures are importance in these scenarios in a way …
View article: Evaluation of thermal anisotropic evolution in the sinter structure of direct sinter joining to silicon via coupled microstructural characterizations
Evaluation of thermal anisotropic evolution in the sinter structure of direct sinter joining to silicon via coupled microstructural characterizations Open
View article: Sodium carbonates on Ryugu as evidence of highly saline water in the outer Solar System
Sodium carbonates on Ryugu as evidence of highly saline water in the outer Solar System Open
View article: Murine AI excels at cats and cheese: Structural differences between human and mouse neurons and their implementation in generative AIs
Murine AI excels at cats and cheese: Structural differences between human and mouse neurons and their implementation in generative AIs Open
Mouse and human brains have different functions that depend on their neuronal networks. In this study, we analyzed nanometer-scale three-dimensional structures of brain tissues of the mouse medial prefrontal cortex and compared them with s…
View article: Multimodal assessment of mechanically induced transformation and damage in TRIP steels using X-ray nanotomography and pencil-beam diffraction tomography
Multimodal assessment of mechanically induced transformation and damage in TRIP steels using X-ray nanotomography and pencil-beam diffraction tomography Open
View article: Surrogate model-based assessment of particle damage behaviour of Al Zn Mg alloy
Surrogate model-based assessment of particle damage behaviour of Al Zn Mg alloy Open
View article: Investigating Plastic Deformation Between Silicon and Solid Electrolyte in All-Solid-State Batteries Using Operando X-ray Tomography
Investigating Plastic Deformation Between Silicon and Solid Electrolyte in All-Solid-State Batteries Using Operando X-ray Tomography Open
Si anodes in all-solid-state batteries are expected to achieve high energy density and durability because large volume changes in Si can be mechanically suppressed by the hardness of solid electrolytes. However, the effects of volume chang…
View article: In situ 3D crystallographic characterization of deformation-induced martensitic transformation in a metastable Fe–Cr–Ni austenitic alloy by X-ray microtomography
In situ 3D crystallographic characterization of deformation-induced martensitic transformation in a metastable Fe–Cr–Ni austenitic alloy by X-ray microtomography Open
Excellent strength–ductility balance in metastable Fe–Cr–Ni austenitic alloys stems from phase transformation from austenite (fcc structure) to α ʹ martensite (bcc structure) during deformation, namely deformation-induced α ʹ martensitic t…
View article: Multi-Modal 3D Image-Based Simulation of Hydrogen Embrittlement Crack Initiation in Al-Zn-Mg Alloy
Multi-Modal 3D Image-Based Simulation of Hydrogen Embrittlement Crack Initiation in Al-Zn-Mg Alloy Open
In Al-Zn-Mg alloy, hydrogen (H) leads remarkably to the degradation of mechanical properties. It is indispensable to suppress this phenomenon called hydrogen embrittlement (HE) for developing the high-strength Al-Zn-Mg alloy. Because inter…
View article: Incipient space weathering on asteroid 162173 Ryugu recorded by pyrrhotite
Incipient space weathering on asteroid 162173 Ryugu recorded by pyrrhotite Open
Regolith samples returned from asteroid 162173 Ryugu by the Hayabusa2 mission provide direct means to study how space weathering operates on the surfaces of hydrous asteroids. The mechanisms of space weathering, its effects on mineral surf…
View article: Mineralogical approach on laboratory weathering of uncontaminated Ryugu particles: Comparison with Orgueil and perspective for storage and analysis
Mineralogical approach on laboratory weathering of uncontaminated Ryugu particles: Comparison with Orgueil and perspective for storage and analysis Open
Although CI chondrites are susceptible to terrestrial weathering on Earth, the specific processes are unknown. To elucidate the weathering mechanism, we conduct a laboratory experiment using pristine particles from asteroid Ryugu. Air‐expo…
View article: Hydrogen Induced Debonding of Mg<sub>2</sub>Si Particle/Aluminum Interface in Al-Mg-Si Alloy
Hydrogen Induced Debonding of Mg<sub>2</sub>Si Particle/Aluminum Interface in Al-Mg-Si Alloy Open
Recent research has shown that some intermetallic compound particles with high interfacial hydrogen trap energies (e.g., Mg2Si) are prone to damage at high hydrogen concentrations. In this study, the acceleration of particle damage in an A…
View article: Three-dimensional textures of Ryugu samples and their implications for the evolution of aqueous alteration in the Ryugu parent body
Three-dimensional textures of Ryugu samples and their implications for the evolution of aqueous alteration in the Ryugu parent body Open
International audience
View article: Dominant Factors Controlling the Initiation of Hydrogen Embrittlement in Al-Zn-Mg Alloy
Dominant Factors Controlling the Initiation of Hydrogen Embrittlement in Al-Zn-Mg Alloy Open
The surrogate-based microstructural optimization was applied to describe the relationship between local crystallographic microstructure and intergranular hydrogen embrittlement in an Al-Zn-Mg alloy. The support vector machine with an infil…
View article: Electron microscopy observations of the diversity of Ryugu organic matter and its relationship to minerals at the micro‐ to nano‐scale
Electron microscopy observations of the diversity of Ryugu organic matter and its relationship to minerals at the micro‐ to nano‐scale Open
Transmission electron microscopy analyses of Hayabusa2 samples show that Ryugu organic matter exhibits a range of morphologies, elemental compositions, and carbon functional chemistries consistent with those of carbonaceous chondrites that…