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

Anno: 2008

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

Affiliazione autori: 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.

Giornale/Rivista: APPLIED PHYSICS LETTERS

Volume: 93 (8)      Da Pagina: 83503-1  A: 83503-3

Maggiori informazioni: We gratefully acknowledge the support of all technicians. In particular, we acknowledge A. Giannini of the Department of Astronomy and Space Science of the University of Firenze and of the GILDA team H. Pais (CNR-INFM) and V. Sciarra, V. Tullio (INFN-LNF) for this research, and Dr F. Bardelli (CNR-INFM) and Dr. A. Marcelli (LNF-INFN) for useful discussions. GILDA is a project jointly financed by the Italian Institutions CNR, INFM, and INFN. The UK Science and Technology Facility Council is also acknowledged for providing beamtime at SRS facility.
Parole chiavi: Fine-structure; Detectors; Radiation; Exafs; Profile; Tool
DOI: 10.1063/1.2976125

Citazioni: 6
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