Table 1 Experimental and theoretical derived parameters for 2D membranes.

From: Two-dimensional membrane as elastic shell with proof on the folds revealed by three-dimensional atomic mapping

Material

Fold type

Chirality (chiral angle in brackets)

Wad (calculated/measured (eV Å−2))

x/X (measured (Å))

γ (fitted)

D (bending rigidity (eV))

WSe2

Horizontal

Chiral (8°)

0.022

19.8±1.5

0.85

11.9±1.8

WSe2

Horizontal

Zigzag (2.5°)

0.022

19.6±1.9

0.82

12.4±2.2

WSe2

Horizontal

Armchair (3°)

0.022

19.2±2.0

0.84

11.5±2.4

WS2

Horizontal

Chiral (10°)

0.021

25.0±3.8

0.88

16.9±4.8

WS2

Horizontal

Chiral (25°)

0.021

20.7±1.1

0.85

12.4±1.2

WS2

Vertical

Chiral (15°)

0.021

39.7±8.8

1.5

11.0±4.9

MoS2

Horizontal

Chiral (15°)

0.022

18.3±0.6

0.85

10.2±0.6

Graphene

Horizontal

Zigzag (3°)

0.014 (17)

12.9±1.4

0.92

2.75±0.60

Graphene

Horizontal

Chiral (15°)

0.014 (17)

10.4±0.5

0.9

1.87±0.15

  1. 2D, two-dimensional.