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dielectric function
The calculations are based on the exactly solved model of a sharp metal/electrolyte interface, the model of a Born sphere for the ion, and the three-mode approximation for the dielectric function of the solvent.
      
Parameters of the analytical expression used for the dielectric function ε(k) of the solvent are selected so as to reproduce the results of calculations of the ε(k) function obtained by a molecular dynamics method.
      
The complex dielectric function of the films was determined from the experimental data by dispersion analysis of the reflection spectra.
      
This effect is related to the fact that a contribution to the dielectric function of slow ions, determining the scattering amplitude, depends on both spatial and frequency dispersion.
      
The k-dependent semiclassical dielectric function is employed instead of the Lindhard-Mermin expression.
      
The dielectric function and the electron-energy-loss function are calculated for comparison with the experimental data.
      
The dielectric function of the monolayer is expressed in terms of molecular polarizability and monolayer characteristics.
      
Based on these results, the polarizability spectra of QDs and QWs, as well as the effective dielectric function of a composite material containing such nanoparticles, are calculated for the far-IR wavelength range.
      
It is established that the spectrum of the dielectric function exhibits specific features in the region between the transverse and longitudinal optical phonon frequencies of the massive semiconductor material.
      
In order to split the influence of the orbital and spin effects on the in-plane magnetoresistance of a quasi-two-dimensional (2D) gas, we derive its linear response function and dielectric function for the case of anisotropic effective mass.
      
Meanwhile, the off-diagonal components of the dielectric function of single-walled carbon nanotube films based on the magnetooptical effects are also shown.
      
The spatial structure of light fields in a metallized cone filled with a medium with complex dielectric function was studied on the basis of the exact solution of the eigenwave problem.
      
A model of the dielectric function of a surface layer formed under the mechanical treatment of the crystal surface is considered in the range of the lattice optical vibrations.
      
Electronic structure and simulation of the dielectric function of β-FeSi2 epitaxial films on Si(111)
      
An empirical model is proposed for the dielectric function of β-FeSi2 epitaxial films.
      
It is shown that the maximum contributions to the dielectric function and the reflectance spectrum in the energy range 0.9-1.2 eV are made by the 2DM0-type second harmonic oscillator with an energy of 0.977 eV.
      
The dielectric function is resolved into components for the first time.
      
Consideration is given to the cases when the particle possesses a permanent quadrupole moment or a fluctuation quadrupole moment and the surface is characterized by a local dielectric function.
      
The calculated and experimental spectral dependences of the dielectric function of CdxHg1-x-yZnyTe solid solutions of various compositions are compared at 295 and 78 K, and good agreement between them is reached.
      
The complex dielectric function of the films is calculated from experimental data.
      
 

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