Table 1 Elastic constants C\(_{ij}\) (GPa) and maximum values for Young’s modulus (GPa) (\(Y_{MAX}\)) and maximum (\(\nu _{MAX}\)) and (\(\nu _{MIN}\)) Poisson’s ratios.
From: Computational insights into popsilicene as a new planar silicon allotrope composed of 5–8–5 rings
Structure | C\(_{11}\) | C\(_{12}\) | C\(_{22}\) | C\(_{44}\) | \(Y_{MAX}\) | \(\nu _{MAX}\) | \(\nu _{MIN}\) |
|---|---|---|---|---|---|---|---|
POP-Si | 6.25 | \(-0.55\) | 91.80 | 20.93 | 91.8 | 0.95 | 0.006 |
