Table 1 Parameters of the Weibull distribution

From: Definitive engineering strength and fracture toughness of graphene through on-chip nanomechanics

\({{L}}_{{{s}}}\,\)[µm]

20

40

50

100

200

400

\({W}\,\)[µm]

8.0

8.0

0.7

1.5

2.5

4.0

8.0

0.7

1.5

2.5

8.0

0.7

1.5

2.5

8.0

2.5

Weibull modulus, m

27

27

9

9

10

10

6

8

19

8

10

8

10

13

8

12

\({{\varepsilon }}_{0}\)

0.06

0.040

0.038

0.070

0.085

0.075

0.01

0.01

0.015

0.015

0.005

0.005

0.01

0.01

0.01

0.01

Correlation coefficient, R2 [%]

83

100

99.9

100

75

93

97.3

100

100

99.5

79

96.6

100

100

100

100

  1. \({L}_{{\rm {s}}}\) is the specimen length and ε0 is the characteristic strain.