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

De Sio, A.; Bocci, A.; Pace, E.; Castellano, C.; Cinque, G.; Tartoni, N.; D'Acapito, F.
August 2008
Applied Physics Letters;8/25/2008, Vol. 93 Issue 8, p083503
Academic Journal
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.


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