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Surface engineering on MnO2 nanorods by La single atoms to accelerate oxygen reduction kinetics
Surface engineering, which modulates the electronic structure and adsorption/desorption properties of electrocatalysts, is one of the key strategies for improving the catalytic performance. Herein, we demonstr...
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Article
Open AccessNanocomposite magnetic hydrogel with dual anisotropic properties induces osteogenesis through the NOTCH-dependent pathways
Physical factors in the cellular microenvironment have critical effects on stem cell differentiation. The utilization of physical factors to promote the osteogenic differentiation of stem cells has been establ...
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Article
Magnetic interactions and magnetoimpedance effect in FINEMET/SiO2/FePt composite ribbons
Giant Magnetoimpedance (GMI) is attracting attention for its high sensitivity in the presence of an applied magnetic field. Although the GMI effect has been studied for many years, it is difficult to analyze t...
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Article
Inter-granular and Intra-granular Crack Behavior in Mg Bicrystal of [ \(1\overline{2 }10\) ] Symmetric Tilt Grain Boundary: LEFM Prediction and Atomic Simulation
The grain boundary (GB) influences crack propagation, and the intrinsic brittleness/ductility of GB may be related to the interfacial structures. This work examined the effects of [
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Self-assembled graphene quantum dots-Co3O4 nanocomposite for highly efficient oxygen evolution reaction electrocatalyst
A novel kind of self-assembled graphene quantum dots-Co3O4 (GQDs-Co3O4) nanocomposite was successfully manufactured through a hydrothermal approach and used as an extremely effectual oxygen evolution reaction (OE...
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Article
A new method for predicting dislocation emission of grain boundary in bicrystal Mg
Due to its high volume percentage, the grain boundary seriously influences the strength and plasticity of nanocrystal materials. Whereas, predicting the onset of plasticity from the equilibrium grain boundary ...
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Study on the microstructure and mechanical properties of ZK60 magnesium alloy with submicron twins and precipitates obtained by room temperature multi-directional forging
The current study suggested that nano-scale twins in magnesium alloys can significantly affect the elastic limit, ultimate strength and corrosion performance. However, the complicated process of nano-scale twi...
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Article
Strong inhibition of boron dopant on IMC growth between electroplating Co(B) deposits and lead-free solders at 250 °C
This study investigated the interfacial reactions of Sn and Sn–3.0 wt.% Ag–0.5 wt.% Cu (SAC305) with electroplating Co(B) deposits of varying B contents (0.8 at.%–3.2 at.%) at 250 °C. The B content of the Co(B...
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Article
Mechanism of Ductility Enhancement of the Mg-8Gd-4Y-1Nd-0.5Si Alloy by Multi-Directional Forging Process before Extrusion
Noteworthy ductility Mg-8Gd-4Y-1Nd-0.5Si (wt.%) alloy with a strong non-basal texture was developed by 12 passes of multi-directional forging (MDF) combine with extrusion. The slip trace analysis indicated tha...
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Article
β-Cyclodextrin dinuclear copper supported on graphene/polypyrrole nanocomposites as an electrochemical sensor for enantioselectivity recognition of tryptophan enantiomers
Electrochemical chiral recognition has gained much of attention as an efficient method for enantiomeric recognition. Herein, a chiral sensing platform via β-cyclodextrin dinuclear copper (Cu-β-CD) as a chiral ...
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Article
Using coal fly ash-based geopolymer to immobilize Cd from lead fuming furnace slag
Lead fuming furnace slag (LFFS) is a by-product of lead metal production, which is a toxic solid waste according to toxicity characteristic leaching procedure (TCLP) test. It was investigated the feasibility o...
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Article
Progress on elliptical magnetic skyrmions
Magnetic skyrmions, the topological spin textures firstly observed in chiral magnets, have aroused huge interest due to their emergent electromagnetism and potential applications in spintronics. Over the last ...
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Enhanced and Controllable Ferroelectric Photovoltaic Effects in Bi4Ti3O12/TiO2 Composite Films
Herein, Bi4Ti3O12(BIT)/TiO2 composite films have been successfully prepared on indium tin oxide (ITO) via the sol–gel method. The microstructures, physical characteristics, and photoelectric response as well as t...
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Article
Improvement of interface stability and anti-friction performance of anodized AA6082 alloys by adjusting the state of Mg before anodization
A change in the heat treatment state of aluminum matrix before anodization was used to change the state of Mg in this work. The effects of Mg on the interface structure of the film/substrate of anodized AA6082...
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Article
Synthesis of (Ti1−xWx)3SiC2 MAX phase solid solution and its high-temperature oxidation performance
In this study, (Ti1−xWx)3SiC2 (x = 0–0.3) MAX phase ceramics were prepared via a solid-phase reaction synthesis method. The phase and performance effects of W-do** Ti3SiC2 were investigated. The microstructure ...
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Article
Influence of Asymmetric Rolling Process and Thickness Reduction on the Microstructure and Mechanical Properties of the Al–Mg-Si Alloy
The influence of the asymmetric rolling process (ASR) and thickness reduction on the microstructure and mechanical properties of Al–Mg–Si alloys is studied. The specimens of the ASR and higher thickness reduct...
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Article
Ultra-antifreeze, ultra-stretchable, transparent, and conductive hydrogel for multi-functional flexible electronics as strain sensor and triboelectric nanogenerator
Conductive hydrogels have become one of the most promising candidates for flexible electronics due to their excellent mechanical flexibility, durability of deformation, and good electrical conductivity. Howeve...
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Article
Effects of different inhibitor on antioxidation of copper bonding wire at room temperature
With the rapid development of the electronic packaging industry, traditional gold bonding wires are tended to be replaced gradually and partially by copper bonding wires with low cost and better potential perf...
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Article
The thermal conductivity and tolerance factor modulated ferroelectric thermal stability of Ba0.955La0.03TiO3 relaxor ferroelectric
Based on the design from the view of the Goldschmidt tolerance factor, Ba0.955La0.03TiO3-doped Zr ferroelectric ceramics were prepared by solid-state reaction method. The experimental results show that our hypoth...
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Facile and scalable preparation of ultra-large boron nitride nanosheets and their use for highly thermally conductive polymer composites
Due to their excellent physical and chemical properties, boron nitride nanosheets (BNNSs) have shown great application potential in many fields. However, the difficulty in scalable preparation of large-size BN...