Charge collection efficiency of chemical vapor deposition diamond film detector to alpha-particles

lei lan; ouyang xiaoping; cao na; zhang xianpeng; wang lan; zhong yunhong

Volume 21 Issue 07

Jul. 2009

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Article Navigation > High Power Laser and Particle Beams > 2009 > 21(07): 0-

tang jun-ping, dong qin-xiao, bo hai-wang, et al. Development of 300 kV pulse source with 3 ns risetime[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

lei lan, ouyang xiaoping, cao na, et al. Charge collection efficiency of chemical vapor deposition diamond film detector to alpha-particles[J]. High Power Laser and Particle Beams, 2009, 21.

tang jun-ping, dong qin-xiao, bo hai-wang, et al. Development of 300 kV pulse source with 3 ns risetime[J]. High Power Laser and Particle Beams, 2007, 19.

Citation:

lei lan, ouyang xiaoping, cao na, et al. Charge collection efficiency of chemical vapor deposition diamond film detector to alpha-particles[J]. High Power Laser and Particle Beams, 2009, 21.

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Charge collection efficiency of chemical vapor deposition diamond film detector to alpha-particles

1.
Northwest Institute of Nuclear Technology,P.O.Box 69-9,Xi’an 710024,China

Publish Date: 2009-07-15

Abstract

Abstract

The energy spectrum of the developed sandwich chemical vapor deposition(CVD) diamond film detector to alpha-particles,has been measured by experiments at room temperature, for 241Am source with a characteristic energy of 5.485 MeV and 243Am and 244Cm source with characteristic energies of 5.275 MeV and 5.805 MeV respectively. The trend of the charge collection efficiency changing with biased voltage was obtained, and the mean efficiency under different biased voltages and that at 10% of the trailing edge of the spectrum were also calculated. Results show that the performance of the detector is steady, and the charge collection efficiency of the detector to alpha-particles increases with the biased voltage increasing and is saturated at a certain biased voltage. The saturated mean charge co
- diamond film,
- semiconductor detector,
- charge collection efficiency,
- radiation measurement,
- particle detect,
- chemical vapor deposition

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