Energy resolution in x-ray detecting microstrip gas chamber fabricated on CVD diamond films

Minglong Zhang; Yiben Xia; Linjun Wang; Yin Yang; Lin Wang; Beibei Gu

doi:10.1117/12.607388

8 December 2004 Energy resolution in x-ray detecting microstrip gas chamber fabricated on CVD diamond films

Minglong Zhang, Yiben Xia, Linjun Wang, Yin Yang, Lin Wang, Beibei Gu

Proceedings Volume 5774, Fifth International Conference on Thin Film Physics and Applications; (2004) https://doi.org/10.1117/12.607388
Event: Fifth International Conference on Thin Film Physics and Applications, 2004, Shanghai, China

Abstract

The valuable properties of CVD diamond films used as micro-strip gas chamber (MSGC) substrate are presented and a gas detector with an area of 20x20mm² was fabricated on a CVD diamond film whose resistivity ranges between 10¹⁰ and 10¹¹Ω-cm. We systematically report the energy spectra generated by a 5.9keV⁵⁵Fe X-ray source. The effects of high potential on the energy resolution are investigated and discussed in detail. A better energy resolution about 12.2% is obtained when MSGC filling with an argon+10%CH₄ gas mixture operated at a drift potential of -1100V and a cathode voltage of -650V.

Citation Download Citation

Minglong Zhang, Yiben Xia, Linjun Wang, Yin Yang, Lin Wang, and Beibei Gu "Energy resolution in x-ray detecting microstrip gas chamber fabricated on CVD diamond films", Proc. SPIE 5774, Fifth International Conference on Thin Film Physics and Applications, (8 December 2004); https://doi.org/10.1117/12.607388

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