Fig. 1. Cross-sectional diagram (a) and geometric schematic (b) of multi-electrode high-purity germanium detector

Fig. 2. Electric field and potential distribution in germanium crystal (color online)(a) Electric field distribution diagram, the white line is the electric field line, (b) Potential distribution diagram, the white line is the equipotential line

Fig. 3. Distribution of weighting potential at different electrodes (color online) (a) Weighting potential map (anode electrode), (b) Weighting potential map (single readout electrode)

Fig. 4. Results of readout pulse shape at different electrodes (color online)(a) Total pulse shape result, (b) Collector electrode pulse shape result, (c) Adjacent electrode induced signal pulse shape

Fig. 5. Rising-time distribution of simulation and experimental waveform

Fig. 6. Results of readout pulse shape at different interaction positions in the Y direction (a) Schematic diagram of the interaction positions of the two events, (b) Pulse shape results of two event collector electrodes and adjacent electrodes

Fig. 7. Simulation results of spatial resolution in the Y direction (a) Waveform at different positions, (b) Spatial resolution

Fig. 8. Simulation results of spatial resolution at different depths in Y direction (color online)(a) Schematic diagram of waveforms at different deposition depths, (b) Spatial resolution

Fig. 9. Results of readout pulse shape at different interaction positions in the X direction (color online)(a) Schematic diagram of the interaction positions of the two events, (b) Pulse shape results of two event collector electrodes and adjacent electrodes

Fig. 10. Results of readout pulse shape at different interaction positions in the Z direction (color online) (a) Diagram of the interaction positions of the two events, (b) Pulse shape of two event collector electrodes and adjacent electrodes