Table 2 Detailed γ-ray detector for energy spectrum

From: Halide lead perovskites for ionizing radiation detection

 

Atomic number

Linear attenuation coefficients to 662 keVa (cm−1)

Bandgap (eV)

Bulk resistivity (Ω cm)

μτ product (cm2 V−1)

Energy resolution (%)

Refs

HPGeb

32

0.01

0.67

102–103

>1

0.2

33,87

CZTb

48, 52

0.05

1.5–1.6

1010

0.004–0.01

0.5

34,35

TlBrb

35, 81

0.24

2.68

1011–1012

0.0005

1

36

Halide perovskiteb

35, 53, 55, 82, 83

0.09

1.5–3.1

107–1010

0.001–0.01

3.9

46,48,72,81

NaI(Tl)c

53, 81

0.01

3.0

—

—

5.6

2

  1. a Only photoelectric attenuation process is considered to calculate the attenuation coefficients
  2. bThe direct γ-ray detection by semiconductor
  3. cThe indirect γ-ray detection by scintillator
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