Materials Literature
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Abstract The first transition metal iodato peroxido complex, K3[V2O2(O2)4(IO3)]·H2O (I), was prepared by crystallization from the KVO3 — KIO3 — H2O2 — H2O — ethanol (HNO3) solution. The dinuclear anion is immediately decomposed in aqueous solution; the 51V NMR spectrum exhibits signals corresponding to [VO(O2)2(H2O)]−…
We report the results of the first experiments on the growth of indium nitride films by electron cyclotron resonance plasma-enhanced metal organic chemical vapor deposition. Discharge sustained by the radiation of a technological gyrotron with a frequency of 24 GHz and power up to 5 kW was used to provide active nitro…
Dendrimers are branched polymeric structures that have been shown to have a promising antiamyloidogenic potential by interfering with the polymerization process leading to the formation of the amyloid aggregates related to conformational diseases, such as Alzheimer's and prion diseases. It has been established that th…
Zr0.05Ti0.95O2 solid solution nanowires were synthesized directly on a SnO2:F-coated glass via a low-temperature hydrothermal method, and a high-sensitivity self-powered ultraviolet detector based on SnO2:F/Zr0.05Ti0.95O2 heterojunction was fabricated subsequently. Zr doping not only improves the detector's photorespo…
In recent years our team has done a lot of work toward the goal of sensitive, inexpensive detectors for terahertz detection. In this paper we describe simple fabrication steps and the characterizations of uncooled Nb5N6 microbolometers for terahertz imaging. The best dc responsivity of the Nb5N6 microbolometer is –760…
Carbon nanotubes (CNTs) have been in recent years under studies due to its importance in the application for the preparation of new materials. One of the challenges after chemical vapor deposition (CVD) syntheses is the metallic and support removal. In this work we pressent the CNTs purification in acidic medium at va…
We propose and investigate a new method for the synthesis of carbon nanostructures by electric arc discharge, which consists of a sharp cathode and a rotating anode specially designed to create a discontinuous and periodic discharge over block-shaped compacted powders of catalytic mixture. With this design it is possi…
Este artigo apresenta uma estrutura de conversor estático, utilizando processamento parcial de energia, para minimizar capacitâncias em luminárias à base de LEDs aplicadas na iluminação pública, onde potências maiores que 70 W geralmente são requisitadas. A estrutura da topologia é baseada em dois conversores, conecta…
The 1 MW TRIGA MARK II research reactor at Malaysian Nuclear Agency achieved initial criticality on June 28, 1982. The reactor is designed to effectively implement the various fields of basic nuclear research, manpower training, and production of radioisotopes. This paperdescribes the reactor parameters calculation fo…
A thermodynamic approach for modeling the phase equilibrium of multicomponent fluid mixtures under the influence of an applied shear rate (shear stress) is presented. This approach is based on assuming that, for the modeled mixtures, the viscosity variation with shear rate can be well‐described by using a power law. T…
For the Pd–Zr system, a long-range potential was constructed under the newly proposed empirical framework. Applying the constructed potential, molecular dynamics simulations were carried out to compare the relative stability of crystalline solid solution versus its disordered counterpart. Simulations reveal that the o…
The title ligand, 1H-1,2,4-triazole-1-methylene-1H-benzimida- zole (L), and its two new derivatives, [ZnL2Cl2]n (1) and [AgL(NO3)]n (2), were synthesized and characterized by X-ray single diffraction, IR and elemental analysis. Owing to the greater distribution of the electron density associated with the benzimidazoyl…
In this paper, we report an independent catalyst heating system on the Pt-catalyst metal organic vapor phase epitaxy (MOVPE) for Indium nitride (InN) growth, and the dependence of the NH3 decomposition rate on the Pt catalyst temperature (RT to 1000 °C) using a quadrupole mass spectrometer (Q-MS). When the catalyst te…
Many researching efforts have been reported to seek various fundamental LC resonance structures, recently. But still the Split Ring Resonator (SRR) is the most famous and major fundamental LC-resonance structure used in the metamaterial. We employed SRR structure as the fundamental LC-resonance mechanism to fabricate…
이온성 액체 전해질염 1-ethyl-3-methylimidazolium tetrafluoroborate ( $EMIBF_4$ )과 용매 acrylonitrile (ACN) 및 propylene carbonate (PC)와 각각 혼합한 용액에 poly(ethylene glycol)diacrylate (PEGDA)를 45-60 wt.% 첨가하고 자외선 조사를 통해 경화시켜 고체 고분자 전해질 필름을 제조하였다. 이 고체 고분자 전해질 필름을 분리막으로 채택하고 활성탄 전극을 사용하는 수퍼커패시터를 제조하여 그 전기화학적 특성을 사이클릭 볼타메트리와 임피던스 방법으로 조…
The a- and a+c-type threading dislocation (TD) inclinations were observed in Mg-doped tensile-strained GaN/Al 0.15 Ga 0.85 N superlattice (SL) with a high-temperature (HT) AlN interlayer (IL). Most of the inclined dislocations are a-type, toward the equivalent [1 00] line direction, following dislocation climb model,…
In this paper, we study the numerical approximations of a gradient flow associated with a phase field bending elasticity model of a vesicle membrane with prescribed volume and surface area. A spatially semi-discrete scheme based on a mixed finite element formulation and a fully discrete in space and time scheme are an…
The effects of laser fluence on the microstructure and electrical properties of nanocrystalline silicon films were investigated on samples prepared by a plasma-enhanced chemical vapor deposition technique. It was found that the content of hydrogen in the films could be reduced gradually by increasing the laser fluence…
A semiconductor photoelectrochemical electrode that contains a heterostructure at the surface vicinity is attractive as a corrosion-tolerant electrode. In order to clarify its basic characteristics, the differences in Schottky junctions were evaluated using the semiconductor capacitance dependence on voltage. The Mott…
Objective: To establish a protocol for extraction of adiposederived mesenchymal cells, evaluating the cell yield in two methods of tissue enzymatic digestion. Material and Methods: Fragments of adipose tissue were removed from the inguinal region of mice and processed by two different protocols: Group 1 -enzymatic dig…