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122 Result(s)
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Article
Preparation of Fe–As alloys by mechanical alloying and vacuum hot-pressed sintering: microstructure evolution, mechanical properties, and mechanisms
Arsenic materials have attracted great attention due to their unique properties. However, research concerning iron–arsenic (Fe–As) alloys is very scarce due to the volatility of As at low temperature and the h...
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Arbitrary topological charge vortex beams from carbon dots random lasers
Vortex beams have attracted great attention due to their promising applications in the fields of high-capacity optical communication, optical micromanipulation, and quantum information processing. Here, we dem...
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Correction to: Arbitrary topological charge vortex beams from carbon dots random lasers
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Article
Open AccessPerformance improvements in complementary metal oxide semiconductor devices and circuits based on fin field-effect transistors using 3-nm ferroelectric Hf0.5Zr0.5O2
In this work, a conventional HfO2 gate dielectric layer is replaced with a 3-nm ferroelectric (Fe) HZO layer in the gate stacks of advanced fin field-effect transistors (FinFETs). Fe-induced characteristics, e.g....
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Article
Optical and electrical anisotropy regulation engineering of low-dimensional materials toward polarized detection and imaging applications
Polarized-sensitive image sensors are a kind of photodetector with great development potential due to their enhanced ability to detect and identify the target objects from the aspect of spatial, spectral and p...
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Coupling Co2P nanoparticles onto N,P-doped biomass-derived carbon as efficient electrocatalysts for flexible Zn–air batteries
Catalysts for oxygen conversion play an important role in energy storage and conversion technologies such as metal–air batteries. Develo** highly active, stable, and low-cost catalysts is critical for furthe...
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Article
Corrosion behavior of Mg-3Al-1Zn alloy with different grain refinement strategies
Although the influence of grain boundaries (GB) or twin boundaries (TB) on corrosion resistance has been studied, there is no comparative study addressing the corrosion behavior of the two types of grain refin...
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Optimized wet-chemical synthesis of ultra-small CuO nanoparticles with high antibacterial activity
Copper oxide nanoparticles (CuO NPs) are attractive owing to their size- and shape-dependent properties, as well as their diverse applications. Therefore, the synthesis of environmentally friendly CuO NPs usin...
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Improvement in Tensile Strength of Mg Alloy After Immersion in SBF by Cold-Sprayed Zn Coating
Considering corrosion on mechanical property of Mg alloy in simulated body fluid, cold-sprayed Zn coating was prepared onto Mg alloy substrate in order to improve its tensile strength after immersion in stimul...
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Article
A high-performance lithium anode based on N-doped composite graphene
Lithium (Li) metal is the most promising electrode for next-generation rechargeable batteries. In order to push the commercialization of the lithium metal batteries, a kind of nitrogen(N)-doped composite graph...
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Thermal multiferroics in all-inorganic quasi-two-dimensional halide perovskites
Multiferroic materials, particularly those possessing simultaneous electric and magnetic orders, offer a platform for design technologies and to study modern physics. Despite the substantial progress and evolu...
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Article
Structural characteristics and tribological properties of an ultrafine-grained Al–40Si–5Fe coating prepared by supersonic plasma spraying
High silicon aluminum alloy coatings (HSAACs) are characterized by high surface hardness and excellent wear resistance, and the fineness has a significant impact on their properties. In this study, Al–40Si–5Fe...
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Microstructure, Mechanical Property and Corrosion Behavior of Cold-Sprayed Zn Coatings on Mg Alloy Substrate
Zn coatings on Mg alloy substrate were prepared by in-situ micro-forging-assisted cold spraying with different stainless steel shot additions. Phase, microstructure, mechanical properties and corrosion resista...
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Article
Electrochemical properties of high-loading sulfur–carbon materials prepared by in situ generation method
A high sulfur content sulfur–carbon composite was synthesized via in situ generation method in aqueous solution. When the sulfur loading is up to 90%, the electrode still exhibits good cycling performance with...
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Alliance of atomic-scale/nanoscale Fe/Co active sites with hierarchically porous N-doped carbon frameworks for efficient electrocatalytic oxygen reduction
Ingenious establishment of transition metal–nitrogen–carbon electrocatalysts with diverse catalytic active sites and hierarchically porous frameworks is highly significant to boost the oxygen reduction reactio...
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Experimental evidence of surface copper boride
To validate the crystal structure and elucidate the formation mechanism of the unexpected surface copper boride, a systematic scanning tunneling microscope, X-ray photoelectron spectroscopy, angle-resolved pho...
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Three-dimensional CeO2@carbon-quantum-dots scaffold modified with Au nanoparticles on flexible substrates for high performance gas sensing at room temperature
High-performance gas sensing materials operated at room temperature (RT) are attractive for a variety of real-time gas monitoring applications, especially with the excellent durability and flexibility of weara...
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Red organic light-emitting diodes based photobiomodulation therapy enabling prominent hair growth
Hair loss can cause psychological distress. Here, red organic light-emitting diode (OLED) light source is first introduced as the photobiomodulation therapy (PBMT) for hair growth and demonstrated as a promisi...
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Article
Enhanced electromagnetic wave absorption properties of ZIF-67 modified polymer-derived SiCN ceramics by in situ construction of multiple heterointerfaces
Multiphase polymer-derived ceramics have the advantages of thermal stability and adjustable dielectric properties, which exhibit significant potential for use in high-temperature microwave absorbing materials....
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Preparation of W–TiC alloys from core–shell structure powders synthesized by an improved wet chemical method
In order to improve the homogeneous distribution of the TiC particles and facilitate the TiC particles to distribute in the tungsten grain interiors, two kinds of TiC-doped tungsten precursors with a core–shel...