Table 2 Elastic Modulus of Iodide Inorganic Perovskites.

From: High-throughput screening of stable and efficient double inorganic halide perovskite materials by DFT

 

C11 (GPa)

C12 (GPa)

C44 (GPa)

B (GPa)

E (GPa)

G (GPa)

ν

V (m/s)

Cs2GeI6

10.60 ± 0.11

1.45 ± 0.09

6.17 ± 0.001

4.48 ± 0.037

11.77

5.54

0.062

1250.65

Cs2HfI6

14.86 ± 0.39

3.17 ± 0.89

7.71 ± 0.005

7.06 ± 0.342

15.73

6.96

0.128

1336.07

Cs2PdI6

11.73 ± 1.15

4.21 ± 1.63

6.19 ± 0.21

6.00 ± 0.56

11.7

4.94

0.19

1109.36

Cs2SnI6

11.64 ± 1.67

2.08 ± 0.24

8.32 ± 0.001

5.27 ± 0.31

14.41

6.90

0.043

1338.68

Cs2TeI6

12.93 ± 1.54

2.81 ± 1.29

6.85 ± 0.002

6.18 ± 0.55

13.83

6.18

0.13

1289.24

Cs2ZrI6

12.86 ± 0.21

2.27 ± 0.76

6.90 ± 0.016

5.84 ± 0.29

13.92

6.30

0.10

1330.93

Cs2SeI6

11.49 ± 0.27

0.64 ± 0.19

5.97 ± 0.001

4.29 ± 0.10

11.91

5.74

0.037

1275.55

Rb2GeI6

9.25 ± 0.188

0.88 ± 0.10

5.32 ± 0.003

3.62 ± 0.05

10.01

3.63

0.04

1219.06

Rb2HfI6

11.07 ± 0.44

0.59 ± 0.89

6.35 ± 0.006

4.028 ± 0.399

11.72

5.76

0.018

1265.34

Rb2PdI6

8.32 ± 0.435

4.25 ± 0.88

2.56 ± 0.129

6.33 ± 0.421

10.69

4.25

0.26

979.59

Rb2SeI6

10.38 ± 0.185

0.75 ± 0.177

4.99 ± 0.001

3.94 ± 0.080

10.43

4.92

0.059

1238.07

Rb2SnI6

12.72 ± 0.634

3.03 ± 1.10

8.64 ± 0.003

6.21 ± 0.435

15.39

7.07

0.088

1377.09

Rb2TeI6

11.23 ± 4.063

1.69 ± 2.92

1.15 ± 1.23

7.92 ± 2.19

3.36

1.19

0.407

0

Rb2ZrI6

9.95 ± 1.86

1.08 ± 0.184

6.02 ± 0.004

4.316 ± 0.322

11.77

5.59

0.05

1303.08

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