Table 4 FWHM of spectra from the reported sources acquired with the most performant detector of type V22 and V40. The voltages in brackets are referred to measures with a bias different from the one in the corresponding row. Measurements were carried out at 20 °C.

From: Optimization of quasi-hemispherical CdZnTe detectors by means of first principles simulation

Detector

Voltage (V)

FWHM (%)

Co-57 (122 keV)

Na-22 (511 keV)

Cs-137 (662 keV)

Co-60 (1332 keV)

V22 2000B

2750

3.8 (2250 V)

1.8

1.7

1.6

V40 1250A

3000

4.5 (2500 V)

2.9

2.7

3.2

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