A Single-Phase Two-Winding Transformer Dynamic Model for Circuit Simulators
International audience
Materials Literature
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Plasmonic-Nanoparticle-Enhanced Hyper-Raman Spectroscopy
Raman scattering is an optical technique that measures intrinsic properties of the molecules. Hyper-Raman scattering (HRS) is another kind of non-linear Raman scattering technique, where incident photons and scattered photons are separated by almost half of the wavelength. As scattering mechanism for RS and HRS are di…
High resolution spectroscopy and narrow resonances from InGaN quantum dots in GaN nanowires
High resolution coherent nonlinear optical spectroscopy of an ensemble of red-emitting InGaN quantum dots in GaN nanowires is reported. The data show a pronounced atom-like interaction between resonant laser fields and quantum dot excitons at low temperature that is difficult to observe in the linear absorption spectr…
Electronic properties of CVD Graphene capped with p and n-type doped amorphous silicon
International audience
New insights into the modulated photocurrent technique using 2D full numerical simulations
International audience
Impact of Zr Content on Radionuclide Release Rates in Metal Waste Forms
Reference alloy waste forms (RAW) underwent hybrid corrosion/immersion testing to parameterize the ANL analytical oxidative-dissolution model to enable the calculation of fractional release rates. The waste forms tested at SRNL were variations of the RAW-3 formulation that uses HT9 as the main alloy component, and are…
Proof of Convergence for the Lattice Monomer-Dimer Cluster Expansion I, a Simplified Model
We present some promising ideas to treat the problem of making completely rigorous the development of our expression for $λ_d(p)$ of the monomer-dimer problem on a $d$-dimensional hypercubic lattice \begin{equation}\label{abstract1} λ_d(p)=\frac{1}{2}\Big(p\ln(2d)-p\ln(p)-2(1-p)\ln(1-p)-p\Big) +\sum_{k=2}a_k(d)p^k \en…
Исследование эффективности пылезащитных устройств вертолетных газотурбинных двигателей
The study of the effectiveness of the dust devices helicopter gas turbine engines. Based on the numerical simulation of two-component flow assessed the effectiveness of various design options.
2014 CALIBAN AND PROSPERO EXPERIMENTS FOR THE CRITICALITY ACCIDENT DOSIMETRY INTERCOMPARISON
International audience
The blow-up of electromagnetic fields in 3-dimensional invisibility cloaking for Maxwell's equations
Transformation optics constructions have allowed the design of cloaking devices that steer electromagnetic, acoustic and quantum waves around a region without penetrating it, so that this region is hidden from external observations. The proposed material parameters are anisotropic, and singular at the interface betwee…
Magneto-optical metamaterial
We propose a new class of metamaterials called magneto-optical metamaterials that offer enhanced angle of rotation in polarization compared to bulk magneto-optical materials. In the proposed approach, the permittivity tensor of a magneto-optical material is tailored by embedded wire meshes behaving as artificial plasm…
ASTM D395 Short-Term Compression Set of Solid (Non-Porous) Siloxanes: SE 1700, Sylgard 184, and "New" M9787
Compression set of solid (non-porous) Dow Corning SE 1700, Sylgard 184, and “new” M9787 siloxane elastomers was measured according to ASTM D395 Method B. Specimens of SE 1700 were made using (1) the manufacturer’s suggested cure of 150°C for 30 min and (2) an extended cure of 60°C for 6 h and 150°C for 1 h followed by…
Experimental observation of edge states at the line junction of two oppositely biased bilayer graphene
Topological edge states are fascinating one-dimensional conducting modes that are potentially relevant for topological quantum computation and low-power-consumption electronics. In the absence of spin-orbit coupling, topological edge states encoded with valley information are predicted to exist at the line junction of…
Use of a micromechanical approach to investigate transient fuel fragmentation mechanisms
International audience
Localized surface plasmon effect for ZnO nanoparticles based devices
As a compromising material for future optoelectronic devices, ZnO attracted many concentrations for its wild applications. Compared with traditional LED fabrication, the technology for the nanoparticle based LED is relatively simple and less cost1, 2. But the emission efficiency needs to be increased. P-type ZnO nano…
Threshold Analysis in Plasmonic Nanolaser with Monolayer Semiconductor as Gain Medium
We have examined the lasing threshold requirements for optically pumped surface plasmon based nanolasers with 2D materials as active medium, which is an excellent research tool as an on-chip nanoscale light source.
Kinetic Laws of Impregnation of Inorganic Supports with Metals Nanodispersed in Liquid (Sols) during the Preparation of Supported Metal Catal
Kinetic analysis of the interaction of inorganic supports (e.g. CeO2) with sols of highly dispersed metals (iron, nickel, and silver) produced by electrocondensation was performed. The formulas for the kinetics of the process are obtained, and the duration of the process that provides supported metal catalysts with sp…
Absorption of SO 2 in Fixed-bed Calc
Calcite is used in the combustion of high-sulfur fuels to reduce emissions of SO2. However, at temperatures above 700 °С, calcite and resulting calcium sulfate begin to sinter, which negatively affects the binding of SO2and complicates the mathematical modeling of the process. Catalytic combustion reduces the maximal…
Finite element modelling of pellet-clad interaction during operational transients
A finite element model of pellet-clad interaction in advanced gas cooled reactor fuel experiencing extended reduced power operations is presented. The model considers a 1/8th segment of fuel and overlaying cladding bonded to it. A radial crack is introduced to the pellet, this is able to open and close, straining a se…
SuperDragon
The data deluge in medical imaging processing requires faster and more efficient systems. Due to the advance in recent heterogeneous architecture, there has been a resurgence in research aimed at domain-specific accelerators. In this article, we develop an experimental system SuperDragon for evaluating acceleration of…