A Simulation Study of Signal to Background Ratio of XANES by Total Electron Yield at Grazing Angle

Numerical simulations of X-ray absorption near edge structure (XANES) of Au L3-edge have been done by total electron yield (TEY) at grazing incidence angles of 12mrad and 4mrad. A 4mrad incidence angle is a total reflection condition and a 12mrad incidence angle is above the total reflection state....

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Veröffentlicht in:Analytical Sciences 1997/12/10, Vol.13(6), pp.997-1001
Hauptverfasser: ZHENG, Songyan, GOHSHI, Yohichi
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description Numerical simulations of X-ray absorption near edge structure (XANES) of Au L3-edge have been done by total electron yield (TEY) at grazing incidence angles of 12mrad and 4mrad. A 4mrad incidence angle is a total reflection condition and a 12mrad incidence angle is above the total reflection state. The results of calculations show that the signal to background ratio (S/B) of XANES at incidence angle of 4mrad is greater than that at incidence angle of 12mrad. Experimental results are in agreement with numerical simulations.
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subjects Atomic and molecular physics
Atomic properties and interactions with photons
Atomic spectra
conversion electron yield
critical angle
Exact sciences and technology
Physics
total electron yield
X-ray adsorption near edge structure
X-ray photoelectron spectroscopy
X-ray spectra
X-ray total reflection
title A Simulation Study of Signal to Background Ratio of XANES by Total Electron Yield at Grazing Angle
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