Scientific Results

Diamond solid state ionization chambers for x-ray absorption spectroscopy applications

Year: 2008

Authors: De Sio A., Bocci A., Pace E., Castellano C., Cinque G., Tartoni N., D’Acapito F.

Autors Affiliation: Department of Astronomy and Space Science, University of Firenze, Largo E. Fermi 2, 50125 Firenze, Italy;
CNR – Istituto Nazionale di Ottica Applicata, Largo E. Fermi 6, 50125 Firenze, Italy;
Diamond Light Source, Harwell Science and Innovation Campus, Chilton-Didcot, OX11 0DE Oxfordshire, United Kingdom;
CNR-INFM-OGG c/o ESRF, GILDA CRG 6, Rue Jules Horowitz, F-38043 Grenoble, France

Abstract: The photoresponse of a diamond detector has been compared with a standard ionization chamber in x-ray absorption spectroscopy applications. A photoconductive device based on a nitrogen-doped single crystal diamond has been tested by synchrotron radiation. Time stability and linearity have been studied by x rays at 10 keV to assess its performances. Finally, extended x-ray absorption fine structure at the Fe K-edge was carried on a standard iron target using both the diamond device and the IC. Spectroscopical results have been compared including references to literature. (C) 2008 American Institute of Physics.

Journal/Review: APPLIED PHYSICS LETTERS

Volume: 93 (8)      Pages from: 083503  to: 083503

KeyWords: Fine-structure; detectors; radiation; exafs;
DOI: 10.1063/1.2976125

Citations: 3
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