Materials Literature
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Various domain decomposition methods (DDM) have been developed as popular divide-and-conquer strategies to solve numerical electromagnetic problems of unprecedented scale. The DDM techniques invariably divide the original large problem into multiple smaller sub-problems, solve each sub-problem separately, and then, re…
Extended abstract of a paper presented at Microscopy and Microanalysis 2012 in Phoenix, Arizona, USA, July 29 – August 2, 2012.
Extended abstract of a paper presented at Microscopy and Microanalysis 2012 in Phoenix, Arizona, USA, July 29 – August 2, 2012.
The Solid Solution of ZrO2: Cdo Was Prepared by the Conventional Solid-State Reaction. Effect of Dopant Concentration on the Electrical Conductivity of ZrO2Was Studied for Different Compositions at Different Temperatures. the Conductivity Increases with the Addition of Cdo due to the Migration of Vacancies. the Conduc…
Preparation techniques of chitosan from Catharsius molossus L. processing discards were studied by orthogonal design. Preparation techniques were as follows:demineralizing: soaked for 30 min at 80 °C with 1.3 mol•L-1 HCl, then kept for 12 h under room temperature. Deproteinization and delipidation: treated for 6 h at…
In this work, we investigate the composition profile of nanocrystalline Pb(Zr, Ti)O3(PZT) thin films deposited by means of reactive magnetron sputtering from 200 mm diameter metallic targets (Pb, Ti, Zr). High-power pulse sputtering has been employed for alternatively the Zr- or Ti-target. Composition analysis and pro…
Carbon nanotubes are grown by catalytic chemical vapour deposition over components of electronic devices. Samples are analyzed by thermogravimetry, scanning and transmission electron microscopy and X-ray photoelectron spectroscopy. The carbon materials deposited on the microchips present the morphology of multiwall ca…
The plastic strain finite element mesomechanics simulation of polycrystal martensitic transformation bring up non-linear model of influence microscopic phase transition rate and stress. Further developement and application of Marc and on the base of microscopic chemical energy distribution, evenly. As the simulation s…
Extended abstract of a paper presented at Microscopy and Microanalysis 2012 in Phoenix, Arizona, USA, July 29 – August 2, 2012.
Effects of zinc cations doping into wide band gap semiconductor photocatalysts of electronic structure, visible light response, and photo-absorbed mechanism were studied. A series of Zn-doped NaTaO3 catalysts were prepared by hydrothermal method. XRD results suggested that zinc were successfully doped into the NaTaO3…
In this work, a model predictive control (MPC) synthesis is proposed to regulate, in the presence of naturally present state and input constraints, the thickness of falling film in the vertical tube, modelled by the Kuramoto-Sivashinsky (K-S) equation. The infinite-dimensional state space representation is developed a…
In this paper, parallel flaw precipitation method has been employed to fabricate nanostructured Co3O4 with the assistance of different surfactants. It is found that the surface parameters, SEM image and photocatalytic performance of Co3O4 have a strong dependence on the type of surfactants. The prepared photocatalysts…
A superhydrophobic LDPE film was obtained by a simple method in atmosphere without addition of low-surface-energy materials. The water contact angle of the superhydrophobic LDPE film are 155±1.9º. SEM shows that compared with common smooth LDPE film, a porous structure was obviously observed on the superhydrophobic LD…
Extended abstract of a paper presented at Microscopy and Microanalysis 2012 in Phoenix, Arizona, USA, July 29 – August 2, 2012.
Summary form only given. Field emission (FE) devices based on sharp cold cathodes such as carbon nanotubes (CNTs) have long been a hot issued research subject for advanced vacuum device applications. Especially, the utilization of these cathodes is an attractive alternative for the replacement of thermionic cathodes f…
Summary form only given. The DC glow discharge in oxygen and its mixtures can be utilized in many applications (e.g. plasma etching, sterilization, thin layer deposition or treatment). Oxygen plasma is therefore subject of both numerical and experimental studies. One of the important discharge parameters is the kineti…
Optical quality GaSe crystals with diameter of 10 mm have been grown by modified Bridgman method using unusual oscillating temperature regime in the middle zone at the level of crystallization front. Cleaved surface (001) has been evaluated by SEM and AFM. Basic cleaved surface with area up to ~200 mm2is flat with as…
The film-forming effect of a new kind of compound inhibitor at high temperature was researched, with taking pure octadecyamine and pure imidazoline as comparison tests. Coupon test has been taken with autoclave simulating the on-site water-vapor environment; the film-forming effect of the coupon has been evaluated by…
CaCu3Ti4O12is believed to have a variety of potential applications due to its unusual high dielectric constant and very high thermal stability. Ceramic films of CaCu3Ti4O12differ from bulk specimens in dielectric and other physical properties. In this paper, the dielectric properties of CCTO thick films are investigat…
Oil sands are attractive as an energy resource. Bitumen, which is found in oil sands, has high viscosity, so that it does not flow. Most oil sands are underground and are developed with a method called steam-assisted gravity drainage (SAGD). Hot steam is injected underground to fluidize bitumen and promote its recover…