Diffusion Length (Solid State Physics)
"Solid State Diffusion Length" is the average distance traveled by a particle, such as a minority carrier in a semiconductor
Applicable units are those of quantitykind:Length
http://pveducation.org/pvcdrom/pn-junction/diffusion-length
"Solid State Diffusion Length" is the average distance traveled by a particle, such as a minority carrier in a semiconductor
$L = \sqrt{D\tau}$, where $D$ is the diffusion coefficient and $\tau$ is lifetime.
http://www.iso.org/iso/catalogue_detail?csnumber=31897