Table 2 Dimensions of the seven rectangular specimens.

From: Noncontact evaluation of full elastic constants of perovskite MAPbBr3 via Photoacoustic eigen-spectrum analysis in one test

Dimension

1

2

3

4

5

6

7

2d1 (mm)

1.98

1.82

3.3

1.35

3.4

1.18

2.1

2d2 (mm)

1.95

1.4

3.04

1.08

2.96

1.08

2.04

2d3 (mm)

0.98

1

1.26

0.7

1.58

0.45

1.24

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