Table 1 Equilibrium lattice parameters and equivalent strain experienced by the cores and the shells for the considered core/shell NWs.

From: Si and Ge based metallic core/shell nanowires for nano-electronic device applications

Core/shell NW

Axial lattice constant, az (Å)

Strain to core (%)

Strain to shell (%)

As/Ge (R)

4.12

−12.3

−1.30

As/Si (R)

3.91

−16.6

−0.35

Sb/Ge (R)

4.16

−4.52

−0.22

Sb/Si (R)

4.03

−7.46

+2.68

As/Ge (2 R)

4.18

−10.8

+0.34

As/Si (2 R)

3.90

−16.8

−0.60

Sb/Ge (2 R)

4.13

−5.14

−0.87

Sb/Si (2 R)

3.91

−10.26

−0.43