A simple method to collect X-ray absorption spectra at extremely high energies (greater than or equal to 50 keV) is presented. The method is based on the use of the third harmonic signal from a conventional double-crystal monochromator. Strengths and limitations of the method are shown, together with a few experimental examples on metallic foils and oxide powders in transmission and fluorescence mode.
Multiple-order reflections from monochromating crystals for the collection of X-ray absorption spectra at extremely high energies
MAURIZIO, CHIARA;
2002
Abstract
A simple method to collect X-ray absorption spectra at extremely high energies (greater than or equal to 50 keV) is presented. The method is based on the use of the third harmonic signal from a conventional double-crystal monochromator. Strengths and limitations of the method are shown, together with a few experimental examples on metallic foils and oxide powders in transmission and fluorescence mode.File in questo prodotto:
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