Materials Literature
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Honeycomb-like Nd 0.7 Sr 0.3 CoO 3−δ has been successfully prepared with a PMMA hard-template for an energy storage system and characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and nitrogen adsorption–desorption measurements. The prepared 3-dimensiona…
Porous anodic aluminum oxide (AAO) templates with diverse nano/submicron/micron multiple-scale structures have been fabricated by a facile and controllable two-step anodization process. The first step anodization has been achieved by using a simple competitive growth process with high anodization voltage ( U a ) in et…
The furcation area creates situations in which routine periodontal procedures are somewhat limited, and surgical procedures are generally required. The introduction of bioactive agents, such as platelet concentrates, enamel matrix derivatives, bone morphogenic proteins, and matrix macromolecules such as hyaluronic aci…
We report formation of vertically aligned carbon nanotube on copper substrate. Carbon nanotubes with diameter around 30 nm and height of 0.3 μm are grown on a 100 μm copper foil. This growth was made possible by deposition of a barrier layer from Chromium. Having CNTs on a highly conductive substrate like Copper have…
Novel flower-like poly(styrene- co -zwitterionic ionic liquid) microspheres with hierarchical structures for supported acidic heterogeneous catalysts show excellent catalytic activities for the esterifications, acetalizations and transesterifications.
Mallomonas paragrandis E.S. Gusev sp. nov. is described from the Zua River, located in Khanh Hoa Province, Central Vietnam. According to the morphological structure of scales, it belongs to the section Planae and is closely related to taxa of M. matvienkoae Asmund & Kristiansen complex, in particular M. sorohexareticu…
HA/ZrO2 composite nanpowder with various addition of titanium (0.2-2.4wt%) were synthesized via wet chemical method using ZrOCl2.8H2O, H3PO4, Ca(OH)2 and tetraethylorthotitanate as precursor materials. The composites were then sintered at 900-1200?C for 2h, respectively. Effect of titanium addition to the composite on…
Aiming at the problems of organic thermal insulation material, SiO2 aerogel was mixed into foamed concrete in two different ways, to investigate its effects on thermal conductivity, compression strength and volume water absorption of foamed concrete. XRD, FT-IR and SEM have also been used to analyze the relationship b…
The paper proves that the miscibility of some blends based on starch can be improved by finding for each of them the melt resistance to flow at which the nonstationary flow and the melt degradation are avoided and the developed shear rate homogenizes optimally the material composition. The obtained results show that,…
Spherical like Y2O3 nanostructures doped with Er3+ and Yb3+ ions have been synthesized by a facile hydrothermal method. The samples were prepared by using different precipitant agents in the synthesis process. The phosphors were characterized by X‐ray diffraction (XRD), scanning electron microscopy (SEM), and photolum…
A model N = 3 of graphene charge carriers has been proposed. Within the model the pseudo-helicity is determined by the exchange interaction for pz -electrons. The symmetry properties of the model have been examined. It has been shown that the pseudo-helicity conservation law allows to explain experimental data on "moi…
Recently, use of different nanoparticle metal oxides for preventing the spread of microorganisms has reached to the expanding field of nanomaterial research. The objective of this study is to validate combined ultrasound and CuO or MgO noparticle treatments for inactivating Staphylococcus aureus and Pseudomonas aerugi…
We demonstrate four-wave mixing wavelength conversion in silicon-rich nitride waveguides which are a promising alternative to silicon for nonlinear applications. The obtained conversion efficiency reaches -13.6 dB while showing no significant nonlinear loss.
Inspection and maintenance of industrial gas turbines (IGTs) cost millions of dollars. Growing demand of obtaining higher IGT efficiency leads to higher temperature and pressure operating conditions. Long exposure of turbine components at elevated temperature and pressure\nmakes creep damage critically important to co…
Ionic liquids have proven highly effective as dielectrics in Electric Double Layer (EDL) devices for electrostatic doping in a range of materials. DEME-TFSI in particular is a commonly used dielectric due to its high ionic conductivity and low glass transition temperature of 182 K. Application of pressure provides a d…
We tried to control the distribution of the demagnetizing field inside magnetoimpedance elements fabricated using thin-film to gain higher sensitivity. Elements with quasi-ellipsoidal shape were adopted to modify the demagnetizing field distribution, because it is well known that the demagnetizing field is expected to…
ZnMnO thin films with different concentration of Mn were deposited onto Si substrates by Laser Ablation technique. The structural and optical characteristics of the films were analyzed as function of the grown conditions (oxygen pressure, Mn concentration and substrate temperature). The crystalline structure of the sa…
We report an in-situ TEM investigation of a reverse martensite transformation in an Fe–Ni–Mn alloy at temperature ranging from 400 °C to 600 °C. Two modes, normal and ledge motions, have been observed during retreating migration of the broad interfaces (∼habit plane) between austenite and martensite. A large number of…
This research was conducted to find out the effect of wheat bran, rice bran, corboxy methyl cellulose (CMC) and guar gum supplementation on the quality of whole wheat flour biscuits. The proximate composition of whole wheat flour (WWF), wheat bran (WB) and rice bran (RB) were 9.0, 11.30, and 7.00% moisture, 7.19, 12.6…
Supramolecular assistance to covalent synthesis from [2+2] photoreactions either in solution or in the solid state is revised. A brief introduction and summary of emergent supramolecular approaches as alternative synthetic routes to prepare stereocontrolled cyclobutane derivatives are shown. The main part of this chap…