The metal-insulator-metal (MIM) capacitors with Al2O3/HfO2/Al2O3 (AHA) and Al2O3/HfO2/SiO2/HfO2/Al2O3 (AHSHA) dielectric structure using atomic layer deposition (ALD) technique have been fabricated. It is demonstrated that the dielectric loss at higher applied frequency and quadratic VCC in high- MIM...

Objective: To prepare the denture base material with anion-containing denture, and to test the friction properties of the denture base materials with different mass percentage of negative ion. Methods: Negative ion powders were added into the denture base materials by ball milling blending at 0%, 1%,...

High heat removal efficiency is an important requirement for the W/Cu divertor monoblocks in the design of future fusion reactors. In this study the stationary surface temperature distribution and the effects of armour thickness and coolant flow velocity on the thermal behavior of W/Cu monoblocks under...

Fe75Zr25 /Cu64Zr36 multilayers metallic glass thin films have been prepared by magnetron sputtering herein. The magnetic studies shown that the saturation magnetization of this alloys increase after annealing under glass transition temperature (Tg ). The change of the magnetization might be attribute...

The different concentration of BPEI were blended into the MEH PPV, and then respectively be composed into the MEH PPV/ZnO PHJ solar cells. Through calculating the dark reverse saturation current, we found that the interface barrier ΦB was changed. Interestingly, the open circuit voltage Voc was observed...

When the high voltage direct current (HVDC) transmission lines run in monopole grounding operation or bipolar asymmetric operation, most of the DC current will flow the loop consisted of the grounding electrode and AC lines between transformers. This current increases the reactive power consumption of...

Bone is a special composite material with excellent performance. This paper carries out numerical simulation of bone growth of femur in Wistar rat based on bone adaptive remodeling theory, integrated into the physiological regulation of bone growth. Proximal femur was scanned by Computed Tomography(CT)...

In this study, tensile, inter-granular corrosion, and impacting tests were carried out to investigate the mechanical property characteristics of X65MO-316Lclad hot rolled coil trial produced by 2250mm hot continuous rolling line, which is applied for the manufacture of offshore line pipe. SEM (Scanning...

Surface structure and electronic properties of (001) surfaces of GPBII and Sphase were studied by using first-principles calculations. The calculations are performed within the density functional framework using the projector augmented plane wave (PAW) method. For different terminations of GPBII and...

Titanium (Ti) based hydrogen-storage materials can absorb hydrogen under mild conditions. However, the materials could not absorb hydrogen without initial activation, owing to the formation of surface oxide layer. For mitigate the initial activation conditions, addition of Pd to Ti based materials were...

A phase field model which contains two phase grain growth in binary alloys was used to study the effect of the same or different initial grain fraction and the different diffusion coefficients on the two-phase grain structure evolution. The results show that the low volume fraction of grain, coarsening...

Elastic and surface properties of Ω phase have been studied by using the first-principles calculations based on density functional theory. The elastic properties results show that Ω structures are more inclined to resist shear deformation than volume deformation, and the precipitation of Ω phase enhances...

In this work, the organic optoelectronic devices with both photovoltaic and detection performance were fabricated based on a blend of the polymer poly[(2,6-(4,8-bis(5-(2-ethylhexyl)thiophen-2-yl)- benzo[1,2-b:4,5-b']dithiophene))-alt-(5,5-(1',3'-di-2-thienyl-5',7'-bis(2-ethylhexyl)benzo [1',2'-c:4',5'-c']dithiophene-4,8-dione))]...

Based on the existing theoretical study of Bi2Te3 nanowires, this paper establishes the relationships among the band structure, relaxation time and ZT values by solving the Boltzmann equation. Then, comprehensive analysis is made to figure out how these factors have influence on ZT values of Bi2Te3 thermoelectric...

In this paper, the use of ultrasound-assisted extraction of polysaccharides from Gracilaria discussed ultrasonic power, ultrasonic time, four factors affect the extraction temperature and ratio of liquid to solid on the extraction rate, test results show that: with the increase of liquid ratio, the dragon...

During the construction of rockfill dam, dry density is an important index of construction quality. Traditional dry density test pit sampling methods exist many drawbacks, such as time-consuming, laborious, the sampling rate is very low, representative data poor, etc. Surface waves non-destructive testing...

The high-purity aluminum with a purity of 5N5 was cold-rolled with a cumulative deformation of 70%, and the deformed high-purity aluminum was annealed at different temperatures and time. The microstructure and mechanical properties of deformed high purity aluminum and heat treatment were studied by means...

A square 3D-trench electrode detector structure based on the fast readout electronics is simulated in this paper using TCAD tools. Due to the small size of this structure, the detector is intrinsically rad-hard and it's response time can be as fast as 10's of ps. Electric characteristics including electric...

Uniform silver nanowires (AgNWs) were synthesized by a simple chemical reduction method with a typical diameter of ~200 nm and a typical length of ~6 um, and poly(vinyl alcohol)(PVA) aqueous solution was used to prepare AgNWs/PVA film. This combination shows good nonlinear current-voltage(I-V) characteristic...

Eu3+ doped transparent molybdate glass ceramics containing CaMoO4 were successful fabricated by melt-quenching technique. The optimal heat-treated system for the glass sample was determined by DSC,XRD and SEM(710º for 2.5h). The grain size of the glass ceramics gradually increased with the increasing...

To identify the densification process and corresponding mechanism, double-action die compaction of Fe-Al composite powder (with 20 wt.% Al) was modeled by multi-particle finite element method (MPFEM) from particulate scale in 2D. The initial packing structure generated by discrete element method (DEM)...

Preparation of phase change electric field adjustable vanadium dioxide thin films on Al2O3 ceramic substrates by inorganic sol - gel method and vacuum annealing process. By changing the annealing process to adjust the proportion of vanadium dioxide in the film to achieve changes in its phase change electric...

Ultrafine oxygen-deficient alumina ceramics was obtained by high-temperature annealing of nanopowder compacts in a vacuum in a strong reducing medium. The spectra of pulsed cathodoluminescence, photoluminescence, electron paramagnetic resonance and thermoluminescence of the synthesized ceramics and anion-defective...

The structures, elastic anisotropy, toughness, and Debye temperature of the Al-Ni crystal are analyzed by using the density functional theory: PW91. The results show that AlNi is the most anisotropic of all phase, and the Al3Ni2 is the most isotropic of all phase. In addition to Al3Ni and Al3Ni2 are...

Ti(C,N) based cermet material which composed by hard phase and binder phase, has excellent performance, is the best choice for manufacturing industry and military product etc.. However, it's application areas has been limited due to the shortcoming of toughness of hard phase, and a study in this area...

Recently, in the field of high voltage equipment, polymer nanocomposites have received increasing attentions, due to their excellent electrical properties, such as high breakdown strength and high resistance to partial discharges, and their good mechanical and thermal properties, such as high mechanical...

In this paper, the electromagnetic field, temperature field and stress field distribution of gold coated gratings were calculated to analyze the damage mechanism under ps-pulsed laser irradiation. The finite element method in time domain was used in calculation. The Maxwell's equations were used to calculate...

Flexible DC cable has been more and more extensive research, compared to the AC cable, the effect of space charge on the insulation failure of DC cable is more significant. This paper summarized three methods to improve the space charge of insulating materials, namely: nano-partice modification, grafting...

Optically active fluorescent sensor containing a 1,1 -binaphthyl core and N,N'-diamine was synthesized and characterized by NMR spectroscopy. S-N1,N1'-(2,2'-dimethoxy-[1,1'-binaphthalene]-6,6'-diyl)bis (ethane-1,2-diamine) was synthesized by coupling reaction with Pd(dppf)Cl2 and Cu(phen)Cl2.

Some oscillation criteria for the half-linear Emden-Fowler functional differential equations of neutral type of the form

A frequency-advantage to layer-stacked rule was proposed to design the wide band absorbing materials. The two stacked layer was constructed by the silicone rubber composites added the FeSi alloys and the carbonyl iron particles (CIPs). The layer permittivity and permeability were measured using a vector...

In this paper, the (G'/G)-expansion method is applied to find the exact solutions for Sine-Gordon equation, Sinh-Gordon equation and Liouville equaiton. The (G'/G)-expansion method is an effective method in investigating exact traveling wave solutions to nonlinear evolution equations (NLEEs) in the field...

As a two-dimensional (2D) nanostructure, reduced graphene oxide (rGO) has high specific surface area and excellent conductivity. In this paper, we obtain the TiO2/rGO (TG) composite via a simple mechanical stirring the mixtures of anatase TiO2 nanoparticles and graphene oxide (GO) nanosheets followed...

The modified coaxial electrospinning, in which only organic solvents or their mixtures are utilized as sheath working fluids, is a useful way for manipulating nanofibers' diameters. In this study, with a co-dissolving solution consisting of poly( -caprolactone) (PCL) and poly(trimethylene carbonate)...