نتایج جستجو برای: anisotropic layer
تعداد نتایج: 320248 فیلتر نتایج به سال:
The reflection of linearly polarized light from an N-layer system of anisotropic nanometer-size insulating films is investigated in the long-wavelength limit. The approximate expressions for the reflection characteristics of sand ppolarized light for multilayer systems of anisotropic films are derived. All analytical results are supported by computer-aided analysis made on the basis of general ...
Semiconducting two-dimensional transition metal dichalcogenides are emerging as top candidates for post-silicon electronics. While most of them exhibit isotropic behaviour, lowering the lattice symmetry could induce anisotropic properties, which are both scientifically interesting and potentially useful. Here we present atomically thin rhenium disulfide (ReS2) flakes with unique distorted 1T st...
The reflection of linearly polarized light from a layered nanoscopic system of anisotropic dielectric films on homogeneous isotropic transparent substrate is investigated in the long-wavelength limit. The expressions for reflection characteristics of an N-layer system of arbitrarily anisotropic ultrathin films are derived. The analytical results are supported by computer-aided analysis made on ...
The interlayer breathing and shear modes in few-layer black phosphorus are investigated for their symmetry and lattice dynamical properties. The symmetry groups for the even-layer and odd-layer few-layer black phosphorus are utilized to determine the irreducible representation and the infrared and Raman activity for the interlayer modes. The valence force field model is applied to calculate the...
At the exploration scale, the simulation of seismic wave propagation in the subsurface requires using absorbing boundary conditions. For the last twenty years, the method of choice has been the Perfectly Matched Layer (PML) method. PML are easy to implement and remarkably accurate. However, in certain situations such as the simulation of seismic waves in anisotropic media, the PML method become...
Two marine walkaway VSP lines are recorded by three-component receivers positioned in a dolomite layer. The layer has a high seismic velocity relative to the surrounding rocks and may be fractured. The recorded wavefield is analysed to determine whether this acquisition is suitable to image details of the internal structure of the layer. The principal arrivals in the wavefield are a dominant ho...
[1] We studied the back azimuth dependence of Ps converted phases at GSN station COR (Corvallis, Oregon) using broadband P receiver functions computed from 602 teleseismic earthquakes. The amplitudes and polarities of the transverse Ps phases are largely two-lobed, which indicates anisotropy with a tilted symmetry axis. A double-peaked Ps conversion at 4.5–6.5 s delay has the moveout of a dippi...
In this paper, we quantize electromagnetic field in, lossy, dispersive and anisotropic magnetodielectric media by using phenomenological approach. We obtain quantum input– output relations for anisotropic multilayer metamaterials. As an application of our approach, we investigate the dissipative and anisotropic effects of an anisotropic magnetodielectric slab on the quantum properties of incide...
Computational Fluid Dynamics (CFD) methods for viscous computations often require high quality computational meshes. The viscous layer area needs to be meshed at a high resolution, leading to highly anisotropic meshes. The methodology developed in this article addresses this issue, enabling the creation of a viscous layer in a tetrahedral (or hybrid polyhedral) mesh, so that the inner meshing i...
A boundary-domain integral equation for a coated half-space (elastically isotropic homogeneous substratum, possibly anisotropic coating layer) is developed. The half-space fundamental solution is used, so that the discretization is limited to the potential contact zone (boundary elements), the potentially plastic part of the substratum and the coating layer (domain integration cells). Steady-st...
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