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15 13.5 12 10.5 9 7.5 6 4.5 3 1.5 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 Energy / (J x10    ) -9 w/b misalignment energy in-plane strain energy total energy
b:   1.77   /Å
d/b:   0.7   
G:   150    GPa
ν:   0.21   

the value for w/b minimum is 0.5

the value of the energy at this minimum is 1.1 x 10-9 J m-1

the value of 0.25 Gb2 is 1.2 x 10-9 J m-1

Select a material to see the dislocation width graph: