Qi Wu
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View article: Novel Eu2O3-doped TiVZrNb multi-component alloy film: structure, mechanical and luminescent properties
Novel Eu2O3-doped TiVZrNb multi-component alloy film: structure, mechanical and luminescent properties Open
In this work, a novel Eu2O3-doped TiVZrNb multi-component alloy film (MCAF) with exceptional mechanical and luminescent properties was designed and fabricated using pulsed laser deposition (PLD) technology. The deposited film features a du…
View article: Symmetry-broken MoS2 nanotubes through sequential sulfurization of MoO2 nanowires
Symmetry-broken MoS2 nanotubes through sequential sulfurization of MoO2 nanowires Open
View article: Accelerated Crystallization of Zeolites via Solid Boron Free Radicals
Accelerated Crystallization of Zeolites via Solid Boron Free Radicals Open
The highly efficient synthesis of titanium silicate-1 (TS-1) zeolite remains a challenge. In this work, solid boron free radicals within hexagonal boron nitride (h-BN) were employed to accelerate the crystallization of TS-1. With th…
View article: Promoting the Reactivity of Surface Lattice Oxygen in Ce Modified α‐MnO <sub>2</sub> via a Structure Reconstruction Strategy for Toluene Oxidation
Promoting the Reactivity of Surface Lattice Oxygen in Ce Modified α‐MnO <sub>2</sub> via a Structure Reconstruction Strategy for Toluene Oxidation Open
Modulating the synthesis method to construct structural defects is significant for designing MnO 2 ‐based catalysts that exhibited superior performance. In this paper, a Ce‐α‐MnO 2 ‐δ catalyst with temperature‐induced phase reconstruction …
View article: Molecular dynamics simulations of the strain rate influence on the failure strain of silica glass
Molecular dynamics simulations of the strain rate influence on the failure strain of silica glass Open
A detailed study is proposed to understand the mechanism of strain rate on the stress-strain response of glass silica. The fracture strength and failure strain of glass silica are strongly dependent on the strain rate. As the strain rate i…
View article: Forming quality, microstructure, and ductility-oriented mechanical performance of laser powder bed fusion processed Ni-based superalloy using different thermal input modes
Forming quality, microstructure, and ductility-oriented mechanical performance of laser powder bed fusion processed Ni-based superalloy using different thermal input modes Open
Thermal input modes significantly affect forming quality, microstructure, and mechanical properties of components fabricated by laser powder bed fusion (LPBF). However, their influence on GH4169 Ni-based superalloy remains inadequately cha…
View article: Effect of Laser Energy Density on Temperature Field, Forming Quality, and Performance of LPBF-Fabricated Nickel-Based Superalloy Composites
Effect of Laser Energy Density on Temperature Field, Forming Quality, and Performance of LPBF-Fabricated Nickel-Based Superalloy Composites Open
Laser energy density plays a crucial role in determining the forming quality, microstructure, and mechanical properties of components fabricated by laser powder bed fusion (LPBF). Hexagonal boron nitride (h-BN) reinforced Hastelloy X (HX) …
View article: Development of Zein–PEG400/PVA–Chitosan Bilayer Films for Intelligent Packaging
Development of Zein–PEG400/PVA–Chitosan Bilayer Films for Intelligent Packaging Open
Zein exhibits excellent biodegradability, thermal stability, UV resistance, and water barrier properties, making it a promising candidate for food packaging applications. However, pure zein films suffer from brittleness and poor mechanical…
View article: Assessment for AI in Social Services: Community Virtual Nursing Home in Shanghai, China
Assessment for AI in Social Services: Community Virtual Nursing Home in Shanghai, China Open
This chapter assesses the impact of introducing an AI system on the efficiency of service distribution and the quality of life (QOL) of the elderly in a community virtual nursing home in Shanghai, China. Using data from the Xinhong Street …
View article: Releasing the Compound Potential of Abandoned Cropland through Recultivation, Afforestation, and Photovoltaic Solutions
Releasing the Compound Potential of Abandoned Cropland through Recultivation, Afforestation, and Photovoltaic Solutions Open
View article: $$X_0(2900)$$ and its spin partners productions in the $$B^+$$ decay processes
$$X_0(2900)$$ and its spin partners productions in the $$B^+$$ decay processes Open
In the present work, we investigate the productions of $$X_0(2900)$$ and its spin partners in the $$B^+$$ decay processes, where $$X_0(2900)$$ is regarded as a $$\bar{D}^*K^*$$ molecular state. We infer t…
View article: Magnetic domain wall pinning and depinning in DyFeO3 single crystal
Magnetic domain wall pinning and depinning in DyFeO3 single crystal Open
Several papers reported the experimental phenomena of single crystal orthoferrite DyFeO3 samples: the sample magnetization increases with increasing temperature, under a constant low magnetic field along the easy magnetizing direction of t…
View article: Effects of Nickel on the Microstructure, Mechanical properties and Corrosion Resistance of CoCrFeNixAl0.15Ti0.1 High Entropy Alloy
Effects of Nickel on the Microstructure, Mechanical properties and Corrosion Resistance of CoCrFeNixAl0.15Ti0.1 High Entropy Alloy Open
The present work investigates the effect of Ni on the microstructure, mechanical properties, and corrosion resistance of CoCrFeNixAl0.15Ti0.1 high-entropy alloys. It was found that the appropriate addition of Ni element in the alloy is ben…
View article: Robust UV Plasmonic Properties of Co-Doped Ag2Te
Robust UV Plasmonic Properties of Co-Doped Ag2Te Open
Ag2Te is a novel topological insulator system and a new candidate for plasmon resonance due to the existence of a Dirac cone in the low-energy region. Although the optical response spectrum of Ag2Te has been studied by theoretical and expe…
View article: Exploring the vulnerability in the inference phase of advanced persistent threats
Exploring the vulnerability in the inference phase of advanced persistent threats Open
In recent years, the Internet of Things has been widely used in modern life. Advanced persistent threats are long-term network attacks on specific targets with attackers using advanced attack methods. The Internet of Things targets have al…
View article: Effect of Co on phase stability and mechanical behavior of CoxCrFeNiMnAl0.3 high entropy alloys with micro/nano hierarchical structure
Effect of Co on phase stability and mechanical behavior of CoxCrFeNiMnAl0.3 high entropy alloys with micro/nano hierarchical structure Open
Co-Cr-Fe-Ni-Mn high entropy alloys (HEAs) have attracted extensive attention due to their broad cryogenic engineering application potential, reasonable control of alloying elements can significantly improve its mechanical performance. In t…
View article: Microstructure and Mechanical Properties of the ((CoCrFeNi)95Nb5)100−xMox High-Entropy Alloy Coating Fabricated under Different Laser Power
Microstructure and Mechanical Properties of the ((CoCrFeNi)95Nb5)100−xMox High-Entropy Alloy Coating Fabricated under Different Laser Power Open
In this paper, the ((CoCrFeNi)95Nb5)100−xMox (x = 1, 1.5 and 2) high-entropy alloy (HEA) coatings were fabricated on the substrate of 45# steel by laser cladding process under different laser beam power. The influence of laser beam power a…
View article: Microstructural evolution and mechanical properties of friction stir welded 12Cr-ODS steel
Microstructural evolution and mechanical properties of friction stir welded 12Cr-ODS steel Open
View article: Graphene Quantum Dot Oxidation Governs Noncovalent Biopolymer Adsorption
Graphene Quantum Dot Oxidation Governs Noncovalent Biopolymer Adsorption Open
View article: Graphene Quantum Dot Oxidation Governs Noncovalent Biopolymer Adsorption
Graphene Quantum Dot Oxidation Governs Noncovalent Biopolymer Adsorption Open
The graphene quantum dot (GQD) is a carbon allotrope with a planar surface amenable for functionalization and nanoscale dimensions that confer photoluminescent properties. Collectively, these properties render GQDs an advantageous platform…
View article: Magnetic property and cation distributions in boron-doped MFe2O4(M = Ni, Mn) spinel ferrites
Magnetic property and cation distributions in boron-doped MFe2O4(M = Ni, Mn) spinel ferrites Open
View article: Microstructure and Corrosion Behavior of (CoCrFeNi)95Nb5 High-Entropy Alloy Coating Fabricated by Plasma Spraying
Microstructure and Corrosion Behavior of (CoCrFeNi)95Nb5 High-Entropy Alloy Coating Fabricated by Plasma Spraying Open
In this paper, the (CoCrFeNi)95Nb5 high-entropy alloy (HEA) coating with a thickness of 500 μm on Q235 steel substrate was fabricated by plasma spraying. The microscopic results showed that a new Laves phase is formed in the (CoCrFeNi)95Nb…
View article: Effect of Molybdenum Additives on Corrosion Behavior of (CoCrFeNi)100−xMox High-Entropy Alloys
Effect of Molybdenum Additives on Corrosion Behavior of (CoCrFeNi)100−xMox High-Entropy Alloys Open
The present work investigates the influence of micro-alloyed Mo on the corrosion behavior of (CoCrFeNi)100−xMox high-entropy alloys. All of the (CoCrFeNi)100−xMox alloys exhibit a single face-centered cubic (FCC) solid solution. However, t…
View article: Three models of magnetic ordering in typical magnetic materials
Three models of magnetic ordering in typical magnetic materials Open
In this work, we review three models of magnetic ordering in typical magnetic materials that have been proposed based on atomic physics. The first model we discuss is the O 2p itinerant electron model for magnetic oxides, which is called t…
View article: Why typical magnetic metals and oxides have different Curie temperatures
Why typical magnetic metals and oxides have different Curie temperatures Open
Why do typical magnetic metals and oxides have different Curie temperatures (TC)? For example, TC = 1404, 1043, and 631 K for Co, Fe, and Ni, respectively; and TC = 860 and 369 K for spinel ferrite Fe3O4 and perovskite manganite La0.7Sr0.3…
View article: Valence of Ti cations and its effect on magnetic properties of spinel ferrites Ti<sub>x</sub>M<sub>1−x</sub>Fe<sub>2</sub>O<sub>4</sub>(M = Co, Mn)
Valence of Ti cations and its effect on magnetic properties of spinel ferrites Ti<sub>x</sub>M<sub>1−x</sub>Fe<sub>2</sub>O<sub>4</sub>(M = Co, Mn) Open
Powder samples of TixCo1−xFe2O4(0.0 ≤x≤ 0.4) and TixMn1−xFe2O4(0.0 ≤x≤ 0.3) were synthesized using a conventional method for preparing ceramics.
View article: Spin-dependent and spin-independent channels of electrical transport in perovskite manganites
Spin-dependent and spin-independent channels of electrical transport in perovskite manganites Open
A model with two channels of electrical transport (TCET) for perovskite manganites is proposed, and it is described by an equivalent device with two current-carrier channels.
View article: Magnetic and electrical transport properties of perovskite manganites Pr0.6Sr0.4<i>M</i> <i>x</i>Mn1-<i>x</i>O3 (<i>M</i> = Fe, Co, Ni)
Magnetic and electrical transport properties of perovskite manganites Pr0.6Sr0.4<i>M</i> <i>x</i>Mn1-<i>x</i>O3 (<i>M</i> = Fe, Co, Ni) Open
Powder samples of ABO3 perovskite manganites with the composition Pr0.6Sr0.4MxMn1-xO3 (M=Fe, Co, or Ni, 0.00≤x≤0.25) were synthesized using the sol-gel method. X-ray diffraction analyses showed that all three sets of samples had a single p…
View article: Study of the dependence of the magnetic moment of La <sub>1−x</sub> Sr <sub>x</sub> MnO <sub>3</sub> on the Sr doping level x
Study of the dependence of the magnetic moment of La <sub>1−x</sub> Sr <sub>x</sub> MnO <sub>3</sub> on the Sr doping level x Open
The dependence of the magnetic moment of the perovskite manganites La1−xSrxMnO3 on the Sr doping level, x, is fitted using an oxygen 2p itinerant electron model for magnetic oxides (i.e., the IEO model), which is similar to the O 2p hole m…
View article: Study of magnetic ordering in the perovskite manganites Pr0.6Sr0.4Cr<i>x</i>Mn1-<i>x</i>O3
Study of magnetic ordering in the perovskite manganites Pr0.6Sr0.4Cr<i>x</i>Mn1-<i>x</i>O3 Open
Powder samples of the ABO3 perovskite manganites Pr0.6Sr0.4CrxMn1-xO3 (0.00≤x≤0.30) were synthesized using the sol-gel method. X-ray diffraction analyses showed that all the samples had a single-phase orthorhombic structure. By analyzing m…