Table 2 Calculated barriers to diffusion.

From: Electronic transport properties of a lithium-decorated ZrTe5 thin film

 

a-Axis Diffusion Barrier

Estimated a-Axis Room-Temp Diffusivity

c-Axis Diffusion Barrier

Estimated c-Axis Room-Temp Diffusivity

Potassium

0.99 eV

1.9 × 10−6 nm2/s

2.59 eV

1.7  × 10−33 nm2/s

Sodium

0.51 eV

2.4 × 102 nm2/s

1.32 eV

4.9  × 10−12 nm2/s

Lithium

0.33 eV

2.7 × 105 nm2/s

0.38 eV

3.8  × 104 nm2/s

Lithium on surface

0.28 eV

1.9 × 106 nm2/s

0.52 eV

1.6  × 102 nm2/s