Intermetallic ≈ Intermetallic
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Multicomponent intermetallic nanoparticles and superb mechanical behaviors of complex alloys Open
Nanoparticle superalloy Improving the strength of a metal alloy is hard to do without sacrificing the ductility. Yang et al. designed an iron-nickel-cobalt (Fe-Ni-Co) alloy laced with aluminum-titanium (Al-Ti) nanoparticles with both high …
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Electrochemical Activation of CO<sub>2</sub> through Atomic Ordering Transformations of AuCu Nanoparticles Open
Precise control of elemental configurations within multimetallic nanoparticles (NPs) could enable access to functional nanomaterials with significant performance benefits. This can be achieved down to the atomic level by the disorder-to-or…
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Intermetallic Nanocrystals: Syntheses and Catalytic Applications Open
At the forefront of nanochemistry, there exists a research endeavor centered around intermetallic nanocrystals, which are unique in terms of long‐range atomic ordering, well‐defined stoichiometry, and controlled crystal structure. In contr…
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Opportunities and Issues in the Application of Titanium Alloys for Aerospace Components Open
The metal titanium (Ti) and its alloys have many attributes which are attractive as structural materials, but they also have one major disadvantage, high initial cost. Nevertheless, Ti and Ti alloys are used extensively in airframes, gas t…
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Fe Stabilization by Intermetallic L1<sub>0</sub>-FePt and Pt Catalysis Enhancement in L1<sub>0</sub>-FePt/Pt Nanoparticles for Efficient Oxygen Reduction Reaction in Fuel Cells Open
We report in this article a detailed study on how to stabilize a first-row transition metal (M) in an intermetallic L10-MPt alloy nanoparticle (NP) structure and how to surround the L10-MPt with an atomic layer of Pt to enhance the electro…
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Laves phases: a review of their functional and structural applications and an improved fundamental understanding of stability and properties Open
Laves phases with their comparably simple crystal structure are very common intermetallic phases and can be formed from element combinations all over the periodic table resulting in a huge number of known examples. Even though this type of…
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Ordered Pt<sub>3</sub>Co Intermetallic Nanoparticles Derived from Metal–Organic Frameworks for Oxygen Reduction Open
Highly ordered Pt alloy structures are proven effective to improve their catalytic activity and stability for the oxygen reduction reaction (ORR) for proton exchange membrane fuel cells. Here, we report a new approach to preparing ordered …
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Fatigue-resistant high-performance elastocaloric materials made by additive manufacturing Open
A million times cooler Elastocaloric materials can be used for solid-state cooling applications because they can pump heat out of a system using a reversible phase transformation. However, many such materials fail after a small number of c…
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High-Throughput Machine-Learning-Driven Synthesis of Full-Heusler Compounds Open
A machine-learning model has been trained to discover Heusler compounds, which are intermetallics exhibiting diverse physical properties attractive for applications in thermoelectric and spintronic materials. Improving these properties req…
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Machine-Learning Methods Enable Exhaustive Searches for Active Bimetallic Facets and Reveal Active Site Motifs for CO<sub>2</sub> Reduction Open
Bimetallic catalysts are promising for the most difficult thermal and electrochemical reactions, but modeling the many diverse active sites on polycrystalline samples is an open challenge. Here, we present a general framework for addressin…
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The Crystal Orbital Hamilton Population (COHP) Method as a Tool to Visualize and Analyze Chemical Bonding in Intermetallic Compounds Open
Recognizing the bonding situations in chemical compounds is of fundamental interest for materials design because this very knowledge allows us to understand the sheer existence of a material and the structural arrangement of its constituti…
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Recent Advances of Structurally Ordered Intermetallic Nanoparticles for Electrocatalysis Open
Structurally ordered intermetallic phases have exhibited higher and higher electrocatalytic activity and stability than disordered alloys in reactions such as the oxygen reduction reaction (ORR) and the catalytic oxidation of fuels (hydrog…
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Sub-4 nm PtZn Intermetallic Nanoparticles for Enhanced Mass and Specific Activities in Catalytic Electrooxidation Reaction Open
Atomically ordered intermetallic nanoparticles (iNPs) have sparked considerable interest in fuel cell applications by virtue of their exceptional electronic and structural properties. However, the synthesis of small iNPs in a controllable …
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Ordered PdCu‐Based Nanoparticles as Bifunctional Oxygen‐Reduction and Ethanol‐Oxidation Electrocatalysts Open
The development of superior non‐platinum electrocatalysts for enhancing the electrocatalytic activity and stability for the oxygen‐reduction reaction (ORR) and liquid fuel oxidation reaction is very important for the commercialization of f…
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Machine learning guided appraisal and exploration of phase design for high entropy alloys Open
High entropy alloys (HEAs) and compositionally complex alloys (CCAs) have recently attracted great research interest because of their remarkable mechanical and physical properties. Although many useful HEAs or CCAs were reported, the rules…
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Modulating the d‐Band Center Enables Ultrafine Pt<sub>3</sub>Fe Alloy Nanoparticles for pH‐Universal Hydrogen Evolution Reaction Open
By providing dual active sites to synergistically accelerate H 2 O dissociation and H + reduction, ordered intermetallic alloys usually show extraordinary performance for pH‐universal hydrogen evolution reaction (HER). Herein, activated N‐…
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Atomically dispersed single iron sites for promoting Pt and Pt<sub>3</sub>Co fuel cell catalysts: performance and durability improvements Open
Integrating the atomically dispersed and nitrogen coordinated single Fe site-rich carbon support and the ordered PtCo intermetallic nanoparticles is an effective approach to designing high-performance low-PGM fuel cell catalysts for transp…
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Design of Light-Weight High-Entropy Alloys Open
High-entropy alloys (HEAs) are a new class of solid-solution alloys that have attracted worldwide attention for their outstanding properties. Owing to the demand from transportation and defense industries, light-weight HEAs have also garne…
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Intermetallic Single-Atom Alloy In–Pd Bimetallene for Neutral Electrosynthesis of Ammonia from Nitrate Open
Harvesting recyclable ammonia (NH3) from the electrocatalytic reduction of nitrate (NO3RR) offers a sustainable strategy to close the ecological nitrogen cycle from nitration contamination in an energy-efficient and environmentally friendl…
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Revealing the Synergy between Oxide and Alloy Phases on the Performance of Bimetallic In–Pd Catalysts for CO<sub>2</sub> Hydrogenation to Methanol Open
In2O3 has recently emerged as a promising catalyst for methanol synthesis from CO2. In this work, we present the promotional effect of Pd on this catalyst and investigate structure–performance relationships using in situ X-ray spectroscopy…
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High‐Entropy Intermetallic PtRhBiSnSb Nanoplates for Highly Efficient Alcohol Oxidation Electrocatalysis Open
The control of multimetallic ensembles at the atomic‐level is challenging, especially for high‐entropy alloys (HEAs) possessing five or more elements. Herein, the one‐pot synthesis of hexagonal‐close‐packed ( hcp ) PtRhBiSnSb high‐entropy …
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Random Alloyed versus Intermetallic Nanoparticles: A Comparison of Electrocatalytic Performance Open
As synthetic methods advance for metal nanoparticles, more rigorous studies of structure–function relationships can be made. Many electrocatalytic processes depend on the size, shape, and composition of the nanocatalysts. Here, the propert…
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Tungsten‐Doped L1<sub>0</sub>‐PtCo Ultrasmall Nanoparticles as a High‐Performance Fuel Cell Cathode Open
The commercialization of proton exchange membrane fuel cells (PEMFCs) relies on highly active and stable electrocatalysts for oxygen reduction reaction (ORR) in acid media. The most successful catalysts for this reaction are nanostructured…
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Additive Manufacturing of High-Entropy Alloys: A Review Open
Owing to the reduced defects, low cost, and high efficiency, the additive manufacturing (AM) technique has attracted increasingly attention and has been applied in high-entropy alloys (HEAs) in recent years. It was found that AM-processed …
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Regulating the scaling relationship for high catalytic kinetics and selectivity of the oxygen reduction reaction Open
The electrochemical oxygen reduction reaction (ORR) is at the heart of modern sustainable energy technologies. However, the linear scaling relationship of this multistep reaction now becomes the bottleneck for accelerating kinetics. Herein…
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A Review on the Properties of Iron Aluminide Intermetallics Open
Iron aluminides have been among the most studied intermetallics since the 1930s, when their excellent oxidation resistance was first noticed. Their low cost of production, low density, high strength-to-weight ratios, good wear resistance, …
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Size-Dependent Disorder–Order Transformation in the Synthesis of Monodisperse Intermetallic PdCu Nanocatalysts Open
The high performance of Pd-based intermetallic nanocatalysts has the potential to replace Pt-containing catalysts for fuel-cell reactions. Conventionally, intermetallic particles are obtained through the annealing of nanoparticles of a ran…
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Fabricating Superior NiAl Bronze Components through Wire Arc Additive Manufacturing Open
Cast nickel aluminum bronze (NAB) alloy is widely used for large engineering components in marine applications due to its excellent mechanical properties and corrosion resistance. Casting porosity, as well as coarse microstructure, however…
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Facile Access to an Active γ‐NiOOH Electrocatalyst for Durable Water Oxidation Derived From an Intermetallic Nickel Germanide Precursor Open
Identifying novel classes of precatalysts for the oxygen evolution reaction (OER by water oxidation) with enhanced catalytic activity and stability is a key strategy to enable chemical energy conversion. The vast chemical space of intermet…
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Ni<sub>3</sub>FeN‐Supported Fe<sub>3</sub>Pt Intermetallic Nanoalloy as a High‐Performance Bifunctional Catalyst for Metal–Air Batteries Open
Electrocatalysts for both the oxygen reduction and evolution reactions (ORR and OER) are vital for the performances of rechargeable metal–air batteries. Herein, we report an advanced bifunctional oxygen electrocatalyst consisting of porous…