Ti‐rich Medium‐Entropy‐Alloy Thin Films as Robust Diffusion Barriers for Thermoelectric Generators
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DOI: 10.1002/adem.202502462
Abstract: Chemical interdiffusion at interfaces is inevitable and often detrimental in devices subjected to temperature gradients or electrical currents with Joule heating. Identifying diffusion barriers that ensure mechanical durability, stable electrical conduction, and resistance to intermetallic… read more here.
Keywords: rich mea; diffusion barriers; thin films; medium entropy ... See more keywords
A High‐Rate Li–CO2 Battery Enabled by 2D Medium‐Entropy Catalyst
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DOI: 10.1002/adfm.202300814
Abstract: Lithium‐air batteries based on CO2 reactant (Li–CO2) have recently been of interest because it has been found that reversible Li/CO2 electrochemistry is feasible. In this study, a new medium‐entropy cathode catalyst, (NbTa)0.5BiS3, that enables the… read more here.
Keywords: catalyst; medium entropy; electrochemistry; entropy ... See more keywords
Electroplating of Wear‐ and Corrosion‐Resistant CrCoNi Medium‐Entropy Alloys beyond Hard Chromium Coatings
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DOI: 10.1002/adfm.202418621
Abstract: High‐entropy alloys (HEAs) and medium‐entropy alloys (MEAs) are a new class of alloys that attract attention because of their mechanical properties. The application of such alloys for coating is highly desired; however, the number of… read more here.
Keywords: entropy alloys; wear corrosion; crconi; medium entropy ... See more keywords
Medium‐Entropy Engineering of Magnetism in Layered Antiferromagnet CuxNi2(1‐x)CrxP2S6
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DOI: 10.1002/adfm.202418722
Abstract: Antiferromagnetic van der Waals‐type M2P2X6 compounds provide a versatile material platform for studying 2D magnetism and relevant phenomena. Establishing ferromagnetism in 2D materials is technologically valuable. Though magnetism is generally tunable via a chemical way,… read more here.
Keywords: cuxni2 crxp2s6; magnetism; medium entropy; substitution ... See more keywords
Making an Ultra‐Ductile Laminate Medium Entropy Alloy by Pressure Thermal Treatment
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DOI: 10.1002/adfm.202509160
Abstract: Innovations in either high‐performance materials or microstructures by conventional processing methods are often challenging to achieve without a synergistic combination. The perfect combination of pressure and temperature offers a great prospect for altering the microstructure… read more here.
Keywords: pressure; pressure thermal; laminate medium; medium entropy ... See more keywords
Ultrastrong Medium-Entropy Single-Phase Alloys Designed via Severe Lattice Distortion.
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DOI: 10.1002/adma.201807142
Abstract: Severe lattice distortion is a core effect in the design of multiprincipal element alloys with the aim to enhance yield strength, a key indicator in structural engineering. Yet, the yield strength values of medium- and… read more here.
Keywords: severe lattice; medium entropy; lattice distortion; lattice ... See more keywords
Short‐Range Diffusion Enables General Synthesis of Medium‐Entropy Alloy Aerogels
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DOI: 10.1002/adma.202202943
Abstract: Medium‐entropy alloy aerogels (MEAAs) with the advantages of both multimetallic alloys and aerogels are promising new materials in catalytic applications. However, limited by the immiscible behavior of different metals, achieving single‐phase MEAAs is still a… read more here.
Keywords: entropy alloy; medium entropy; short range; range diffusion ... See more keywords
Direct Observation of Oxygen Atoms Taking Tetrahedral Interstitial Sites in Medium‐Entropy Body‐Centered‐Cubic Solutions
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DOI: 10.1002/adma.202209941
Abstract: Interstitial solutes, such as carbon in steels, are effective solid‐solution hardening agents. These alloying elements are believed to occupy the octahedral interstices in body‐centered‐cubic (bcc) metals. Using deep‐sub‐angstrom‐resolution electron ptychography, here the first experimental evidence… read more here.
Keywords: medium entropy; body centered; interstitial sites; centered cubic ... See more keywords
A Phase‐Transition–Free Sodium Vanadium Phosphate Cathode via Medium‐Entropy Engineering for Superior Sodium Ion Batteries
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DOI: 10.1002/adma.202414358
Abstract: Na3V2(PO4)3, based on multi‐electron reactions between V3+/V4+/V5+, is a promising cathode material for SIBs. However, its practical application is hampered by the inferior conductivity, large barrier of V4+/V5+, and stepwise phase transition. Herein, these issues… read more here.
Keywords: medium entropy; phase transition; cathode; sodium ... See more keywords
Thermodynamically‐Driven Phase Engineering and Reconstruction Deduction of Medium‐Entropy Prussian Blue Analogue Nanocrystals
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DOI: 10.1002/adma.202503814
Abstract: Prussian blue analogs (PBAs) are exemplary precursors for the synthesis of a diverse array of derivatives.Yet, the intricate mechanisms underlying phase transitions in these multifaceted frameworks remain a formidable challenge. In this study, a machine… read more here.
Keywords: spectroscopy; driven phase; medium entropy; prussian blue ... See more keywords
Ambient‐Pressure Superconductivity Onset at 10 K and Robust T c under High Pressure in TiNbTaN3 Medium‐Entropy Nitride
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DOI: 10.1002/advs.202506089
Abstract: Superconductivity has been one of the focal points in medium‐ and high‐entropy alloys (MEAs‐HEAs) since the first discovery of the HEA superconductor in 2014. Until now, most HEAs’ superconducting transition temperature (Tc) has not exceeded… read more here.
Keywords: pressure; ambient pressure; medium entropy; superconductivity ... See more keywords