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Performances of homoepitaxial single crystal diamond in diagnostic x-ray dosimetry

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7 Author(s)
Garino, Y. ; Experimental Physics Department and Center of Excellence NIS, University of Torino, Torino 10125, Italy ; Lo Giudice, A. ; Manfredotti, C. ; Marinelli, M.
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Pulsed x-ray dose measurements have been carried at maximum x-ray energies from 40 to 120 KeV out by using a single crystal epitaxial diamond sample grown by chemical vapor deposition (CVD). Delivered doses were between 0.1 and 10 mGy and pulse duration times between 0.01 and 0.5 s. Values of dose linearity index very close to 1 (between 1.02 and 1.07) at increasing x-ray energies and pulse decay times between 15 and 20 ms were obtained. The reproducibility was very good with no memory effects. CVD homoepitaxial diamond results to be very promising for x-ray diagnostic applications.

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Applied Physics Letters  (Volume:88 ,  Issue: 15 )