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Energy resolutions of the CdTe-based detectors with different contact materials, measured at different bias voltages for two X/γ-ray radiation sources.
| X/γ-ray Source | Anode/CdTe/Cathode | Bias Voltage (V) | FWHM (%) |
|---|---|---|---|
|
241Am (59.5 keV) |
Mo-MoOx/p-CdTe/MoOx-Mo | −80 | 6 |
| Ti-TiOx/p-CdTe/MoOx-Mo | −100 | >20 | |
| Ti-TiN/p-CdTe/MoOx-Mo | −80 | 11 | |
| In/p-CdTe/MoOx-Mo | −100 | >25 | |
|
137Cs (662 keV) |
Mo-MoOx/p-CdTe/MoOx-Mo | −100 | 7.9 |
| Ti-TiOx/p-CdTe/MoOx-Mo | −100 | 9 | |
| Ti-TiN/p-CdTe/MoOx-Mo | −100 | 10.1 | |
| In/p-CdTe/MoOx-Mo | −120 | 5.1 |
