Table 1 Summary of elastic constants of MAPbBr3 measured by laser ultrasonic(LU), Brillouin light scattering(BS), inelastic neutron scattering(INS) and photoacoustic eigen-spectrum(PAES).

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

Elastic Constants

LU

BS

INS

PAES

C11 (Gpa)

32.23

32.2

34.5

30.7

C12 (Gpa)

9.0

9.1

18.5

10.53

C44 (Gpa)

3.48

3.4

4.1

3.51

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