26 Result(s)
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Article
Ri**ang Zhu
Physics
Characterization and Evaluation of Materials
Manufacturing, Machines, Tools, Processes
Nanotechnology
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Article
The ceramics based on (Bi0.5Li0.5)0.9Sr0.1ZrO3-doped K0.44Na0.55Ag0.01Nb0.95Ta0.05O3 exhibit enhanced structural and electric properties
Currently, in the modification methods of K0.5Na0.5NbO3(KNN) ceramics to enhance their piezoelectric performance, key parameters such as Curie temperature are usually sacrificed. However, this trade-off limits th...
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Article
Nanoarchitectonics of yttrium-doped barium cerate-based proton conductor electrolyte for solid oxide fuel cells
As the third generation of fuel cells, solid oxide fuel cell (SOFC) provides a clean and low-pollution technology. Electrolyte material, which often plays a vital role in SOFC, has always been the focus and di...
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Article
Highly efficient hydrogen production performance of g-C3N4 quantum dot-sensitized WO3/Ni–ZnIn2S4 nanosheets
Metal sulfide semiconductor photocatalysts have been widely used in photocatalytic hydrogen evolution reactions due to their good light absorption properties and high photostability. However, the metal sulfide...
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Ultra-wideband and wide-angle linear-to-circular polarizer based on single-layer dielectric substrates
In this paper, a wideband and wide-angle transmissive linear-to-circular polarization converter (LCPC) working in the C, X and Ku bands is proposed, which is based on a single-layer dielectric substrate. In or...
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Numerical predictions for the effective electrical properties of flexoelectric composites with a single inclusion
The direct flexoelectricity in dielectrics, as an electromechanical mechanism coupling electric field and strain gradient, exhibits strong size dependence and structures associated. In the present paper, the e...
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Article
Study on the relaxation mechanism of residual stress in SiCp/6061Al composites based on the surface modification of reinforcement
The effect of reinforcement surface modification on the residual stress (RS) in 35vo l%SiCp/6061Al composites was studied, and the experimental conclusions were verified by finite element analysis. The results...
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Article
Modeling and simulation of functionally graded flexoelectric micro-cylinders based on the mixed finite element method
The direct flexoelectricity in solid dielectrics, as an electromechanical mechanism coupling polarization and strain gradient, exhibits strong size dependence and structures associated (geometry or microstruct...
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Article
WO3 nanosheets/g-C3N4 nanosheets’ nanocomposite as an effective photocatalyst for degradation of rhodamine B
A novel WO3 nanosheets (WO3 NS)/g-C3N4 Nanosheets’ (g-C3N4 NS) nanocomposite photocatalyst was fabricated through a simple calcination process. WO3 NS was first prepared with the aid of P123 lamellar micelles and...
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Article
Intrinsic evolution of novel (Nd, MM)2Fe14B-system magnetic flakes
The Nd-substituted (Nd x MM1−x )–Fe–B strip-casting flakes were prepared by induction melting in the vacuum furnace and then subsequently by strip-casting technol...
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Article
Erratum to: Non-uniform shrinkage of multiple-walled carbon nanotubes under in situ electron beam irradiation
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Non-uniform shrinkage of multiple-walled carbon nanotubes under in situ electron beam irradiation
Instability of multiple-walled carbon nanotubes (MWCNTs) was investigated by in situ transmission electron microscopy at room temperature. Specially, the non-uniform shrinkage of tubes was found: The pristine ...
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Article
Synthesization of SnO2-modified carbon nanotubes and their application in microbial fuel cell
The aim of this work was to study the synthesization of SnO2-modified carbon nanotubes and their application in microbial fuel cell. With the chemical vapor deposition technique, carbon nanotubes growing in situ ...
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Article
Omnidirectional wireless power transfer system supporting mobile devices
An efficient method for the challenge design of an omnidirectional wireless power transfer system (OWPT) is proposed. The OWPT is realized utilizing the rotating magnetic field, which is generated by the propo...
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Article
An enhancement of reflection loss by controlling the reflected electromagnetic wave at air–absorber interface
This study explores the improvement of the reflection loss (RL) by controlling the reflected wave from air–absorber interface (AAI) . The reflected wave from AAI increases for a hybrid system consisted of flak...
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Article
Marigold-like \(\mbox{Cu}_{x (x=1.81, 2)}\mbox{S}\) nanocrystals: controllable synthesis, field emission, and photocatalytic properties
Cubic marigold-like Cu2S nanostructures were synthesized from a facile hydrothermal process without using any additives or surfactants. After thermal annealed at different condition, monoclinic Cu2S and tetragona...
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Article
Lower RCS directional antenna by left-handed material
We theoretically study the radiation of a current line source with a surrounding cylindrical shell of left-handed material (LHM). The far-field radiation pattern is obtained by solving the Maxwell equation in ...
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Article
Optical properties investigation of [nc-Si:SiO2/SiO2]30 periodic multilayer films
The optical properties of 30-layer [nc-Si:SiO2/SiO2]30 periodic films have been studied. The films were prepared by alternately evaporating SiO and SiO2 onto Si(100) substrates, followed by annealing at 1100 ∘C. ...
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Article
Shape evolution, photoluminescence and degradation properties of novel Cu2O micro/nanostructures
Three kinds of novel cuprous oxide (Cu2O) micro/nanostructures are synthesized via a facile template-free hydrothermal method. Two factors are critical for the growth process of typical samples: the concentration...
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Article
Temperature dependent photoluminescence properties of needle-like ZnO nanostructures deposited on carbon nanotubes
The structural and optical properties of the needle-like ZnO nanostructure grown on the carbon nanotubes (ZnO/CNTs) have been studied by scanning electron microscope (SEM), X-ray diffraction (XRD), and photolu...
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Article
The influence on intrinsic light emission of calcium tungstate and molybdate powders by multivalence Pr codo**
For trivalent praseodymium (Pr3+) and quadrivalent praseodymium (Pr4+) codoped CaMO4 (M = W, Mo) powders, the luminescence propriety of matrix is obviously influenced by carrier concentration. The light emission ...
