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Characteristics of Semiconductor Detectors (Single-crystal data presented except for a-Se.)
| Material | Mean Energy for e-h Creation (eV) |
Density (g/cm3) |
Atomic Number |
Resistivity (Ω-cm) |
Electron Mobility- Lifetime Product (cm2/V) |
|---|---|---|---|---|---|
| a-Se | 50 @10V/μm | 4.3 | 34 | >1012 | >10−9 |
| TlBr | 6.5 | 7.5 | 81,35 | 109 | >10−5 |
| PbI2 | 5 | 6.2 | 82,53 | 1011 | >10−6 |
| CZT | 4.5 | ∼6 | 48,30,52 | >1010 | >10−3 |
| HgI2 | 4.2 | 6.4 | 80,53 | >1012 | >10−3 See [20]. |
