Carrier Lifetime and Mobility Characterization Using the DTU 3-D CZT Drift Strip Detector

At DTU Space, a 3-D CdZnTe (CZT) drift strip detector prototype of size 20 mm $\times4.7$ notation="LaTeX">$\times20$ has been developed. It demonstrated excellent submillimeter position resolution (<0.5mm) and energy (<1.6%) at 661.6 keV using pulse shape signal processing. Signal formation on each the 26 electrode readouts uses bipolar charge-sensitive preamplifiers. The output is sampled high-speed digitizers, providing us with full shapes generated by interaction in detector. In order to optimize understand performance, model CZT developed COMSOL Multiphysics Python. simulates an provides similar that real setup. create trustworthy model, material properties must be well understood. are greatly affected electron mobility ( notation="LaTeX">$\boldsymbol \mu _{e}$ ) lifetime \tau material. Therefore, maps have calculated as look-up tables for utilizing high-resolution information provided conclusion, performance compared event data. We show improved newly uniform crystal manufacturer.