CVD diamond wires as X-ray detectors

被引：5
|
作者：
Manfredotti, C
Fizzotti, F
Galetto, M
LoGiudice, A
Margherita, D
Ongaro, C
Polesello, P
Vittone, E
机构：
来源：
III-NITRIDE, SIC AND DIAMOND MATERIALS FOR ELECTRONIC DEVICES | 1996年 / 423卷
关键词：
D O I：
10.1557/PROC-423-81
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Miniature metal-diamond wire detectors have been fabricated by Hot Filament Chemical Vapor Deposition (HFCVD) method and characterized as x-ray dosimeters in the energy range 50 keV-250 keV. Linearity of the response and the sensitivity as a function of energy have been accurately determined in a range routinely used for x-ray radiotherapy. With a Mo wire substrate, a 10 mu m thick CVD diamond film can reach sensitivities of the order of 4x10(-8) A/Gy/min, more than one order of magnitude larger than for a 6 cm(3) standard ionization chamber.
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页码：81 / 86
页数：6
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