Table 3 Mechanical properties of AA and AB-stacked bilayer borophene, compared with other 2D bilayers including graphene, BN, and \(\hbox {MoS}_2\): Young’s moduli (\(Y_{ii}\)), critical strain (\(\varepsilon \)*), and ultimate strength (\(\sigma \)*).

From: The effects of substrate and stacking in bilayer borophene

 

Yx (N/m)

Yy (N/m)

Yxy (N/m)

\(\varepsilon \)* (%)

\(\sigma \)* (N/m)

\(\beta _{12}\) bilayer (AA)

322

412

420

12

29.7

\(\beta _{12}\) bilayer (AB)

356

230

436

8

23.2

Bilayer graphene35

–

–

620

11

72.1

Bilayer BN35

–

–

560

12

42.4

Bilayer \(\hbox {MoS}_2\)36

–

–

260

10

28.0

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