IBIC from poly-diamond detector material (Norton)

Energy Channel

Relative Yield

• CVD polycrystalline diamond films suitable for radiation detectors, rad-hard high-temperature electronics, etc

• 2 MeV He IBIC over 1.2x1.2 mm2

• 8% charge collection efficiency

• 24% from grain centres

• Images show:

  • Space charge hysterisis
  • Charge collection efficiency poor off contacts

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