Abstract
Energy Loss Function (ELF) of 2 5 Ta O derived from optical limitand extended to the total part of momentum and their energyexcitation region ELF plays an important function in calculatingenergy loss of electron in materials. The parameter Inelastic MeanFree Path (IMFP) is most important in quantitative surface sensitiveelectron spectroscopies, defined as the average distance that anelectron with a given energy travels between successive inelasticcollisions. The stopping cross section and single differential crosssectionSDCS are also calculated and gives good agreement withprevious work.
Highlights
The excitation spectrum of Ta2O5 has been studied theoretically and calculated by Reflection Electron Energy Loss Spectroscopy (REELS), which only covers a small region is improved and extended to the all of excitation region out of a suitable theoretical analysis that requires the investigation of physically motivated sum rules given in [1] and includes the contribution of intermediate and inner shell excitations.Energy Loss Function (ELF) derive from several ways are based on experimental measurements, theoretical considerations, but the information provided by the former rarely covers the whole momentum and electronic excitation energy region, but the theoretical calculations many times lack of a direct experimental assessment [1]
In eV.cm2x10 15 / atom with incident electron energy Te in eV calculated from the results of ELF given in Eqs. (1-4), and its solution given in Eq (5) for interact of electron with Ta2O5
ELF applied to obtain the inelastic mean free path of electrons and the stopping power of in Ta2O5 which is consider relevant for description and modification of solid media by means of electron beam techniques like as electron microscopy-ray photoelectron, auger electron spectroscopy and other techniques
Summary
The excitation spectrum of Ta2O5 has been studied theoretically and calculated by Reflection Electron Energy Loss Spectroscopy (REELS), which only covers a small region is improved and extended to the all of excitation region out of a suitable theoretical analysis that requires the investigation of physically motivated sum rules given in [1] and includes the contribution of intermediate and inner shell excitations.Energy Loss Function (ELF) derive from several ways are based on experimental measurements, theoretical considerations, but the information provided by the former rarely covers the whole momentum and electronic excitation energy region, but the theoretical calculations many times lack of a direct experimental assessment [1]. In solid state physics and electron spectroscopy there is an important material parameter known as (IMFP) Inelastic Mean Free Path of electrons.
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