Materials Literature
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The optimum pair of bands in the fine structure of nanoparticles luminescence spectra used for measuring local temperature of biological tissue had been determined.
This article is focused on dependence of a small induction machine electromagnetic losses on load. Joule losses in stator and rotor and core losses are measured and computed by finite elements method in six points with different load. Model for the finite elements method simulations considers impact of manufacturing p…
In this paper, we investigate theoretically the spin–orbit torque (SOT) as well as the Gilbert damping for a two band model of a 2D helical surface state with a ferromagnetic (FM) exchange coupling. We decompose the density matrix into the Fermi sea and Fermi surface components and obtain their contributions to the el…
Summary form only given. Plasma Medicine is a new field to focus on biological and medical applications of non-thermal atmospheric pressure plasma. Sterilization, wound healing, blood coagulation, and cancer treatments using non-thermal plasma are remarkable example in Plasma Medicine. Although dramatic effects using…
In the present study, the effect of post-rolling annealing heat treatment on the formation of intermetallic compounds between Al-Cu strips, in the presence of nickel coating on the Cu strips, was investigated. In addition, the effect of post-rolling annealing and intermetallic compounds on the bond strength of Al-Cu s…
Background and Objective: Formaldehyde is a toxic volatile organic compound, which its removal from polluted air is essential. One of the techniques available for removing such compounds is photocatalytic degradation. The aim of this study was to investigate the photocatalytic degradation of gaseous formaldehyde on Ti…
Summary form only given. One of the emerging challenges in next generation device is to achieve the high aspect ratio contact holes using fluorocarbon plasma. However, it is regarded that the predictable simulation for these processes is beyond current science and technology due to their inherent complexity of fluoroc…
We report on synthesis, structure, optical spectroscopy, nonlinear properties and passive Q-switching performance of novel transparent potassium zinc aluminosilicate glass-ceramics containing a mixture of cobalt-doped β-willemite, Co:Zn2SiO4and zinc oxide, Co:ZnO.
While circuit owners often monitor cable and transformer temperatures on their critical circuits, the temperatures that exist inside distribution-voltage electrical enclosures have not been well documented. This paper studies the temperatures recorded inside electrical enclosures throughout North America. The results…
Microstructure and tensile strength of the vacuum brazed stainless steel(STS304) and WC-8 %Co were investigated. For brazing, the BNi-2, 3(A.W.S standard) were used as filler metals. It was found that metallic compounds of W-Ni were observed at the between WC metrix and brazed layer. Among these filler metals, the BNi…
This paper presents the design of a compact 11-dB coupled-line directional coupler operating at center frequency of 1.2 GHz, which features improved frequency characteristics. A compact size of the coupler has been obtained by utilization of high-permittivity dielectric substrate while high performance has been ensure…
Summary form only given. Plasma polymerization and aerosol-through-plasma (A-T-P) systems is a versatile technique for the deposition of plasma polymer films with functional properties suitable for a wide range of applications such as electronic and optical devices, coatings, and display materials. However, plasma pol…
Summary form only given. Underwater electrical wire explosion could be an optimal way to produce partially controllable shock waves, thus becoming a promising method for breaking stones, exploiting related applications, etc. The mechanisms of forming shock waves by utilizing electrical explosion of thin metal wires in…
Summary form only given. We have developed a non-equilibrium time-dependent plasma chemistry model to describe NOx remediation from flue gas (82% N2, 6% O2, and 12% CO2) using the NRL Electra e-beam facility. Currently, this is a single shot model, in which the pulse width varies between 70 ns to 1.5 μs and the power…
The effect of the modulation instability of surface plasmon polariton waves in an ultra-thin metal film is demonstrated. It is shown that the modulation instability effect could be used for the generation of signals with a repetition rate in the terahertz range and ultrafast trains of picosecond optical pulses.
This paper dedicated to numerical and experimental investigations of the role of majority carrier concentration in the silicon in the transmission coefficients of photonic crystals created from quartz and silicon layers in microwave frequency range. The silicon of two types of conductivity has been viewed. The impact…
Summary form only given. Ozone (O3) is a powerful oxidant that used in a wide array of applications ranging from various industrial chemical synthesis processes to large-scale water treatment. For many years ozone has been generated by means of dielectric barrier discharges (DBD), where a high-energy electric field pr…
The cylindrical triode-type electron accelerator GESA IV was developed for treatment of metallic rods, specifically cladding tubes for nuclear reactors. The target (anode) diameter is therefore fixed at about 10 mm by the application, which leads to problems of homogeneity and stability of the radially converging beam…
본 연구에서는, 연소로에서 발생하는 질소산화물을 제거하기 위한 V/TiO₂ 촉매의 제조조건에 따른 SCR 반응활성 및 SO₂ 내구성 증진 연구를 수행하였다. 제조된 촉매들은 XPS, Raman, H₂-TPR, SO₂-TPD를 이용하여 특성분석을 수행하였다. 촉매활성 및 SO₂ 내구성을 고려하였을 때 바나듐 함량은 2 wt%가 최적이었다. 텅스텐을 promotor로 첨가하였을 경우, 저온에서의 환원능력의 증진과 SO₂ 흡착량 감소로 인하여 우수한 반응활성과 SO₂ 내구성을 나타내었다. 또한 촉매 제조 시 바나듐용액의 pH가 낮아질수록 촉매표면에 형성되는 바나듐이 고분…
We report on demonstration of GaN tunneling hot electron transistors (THETA) with dc current gain up to 14.5 in common-emitter configuration, which is highest value reported to date in GaN-based hot electron transistors. THETA is a promising candidate to obtain vertical high frequency transistors in GaN. In a THETA, a…