Diamond dark current as a function of applied voltage.
Setup used for amplification of CVD diamond current signals.
Diamond current pulses for holes (a) with different negative bias voltages applied to the detector back contact and for electrons (b) with different positive bias voltages .
Average drift velocity (a) and mobility (b) as a function of applied drift field . The solid marker denote electrons and the open markers denote holes. The solid lines in (a) show fits of Eq. (7) to the data. The solid lines in (b) are only for visual guidance.
Total induced charge for electrons (solid markers) and holes (open markers) as a function of applied drift voltage.
Measured ionization charge for electrons (solid markers) and holes (open markers) as a function of inverse drift velocity.
Corrected charge as a function of drift voltage for electrons (a) and holes (b) with different choices of .
Slope of as a function of .
Hole pulses for , and (bottom to top amplitude). The insert shows a schematic representation of a possible electric field with .
Total integrated hole charge as a function of . The dashed line indicates the fit to determine .
Base line corrected measured current pulses (markers) and simulated current pulses (lines) for holes (plot a) and electrons (plot b).
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