\[\sigma_n=qn\mu_n\]
Variables
sigma_nelectron conductivity (S/m)
qelementary charge (C)
nelectron concentration (1/m³)
mu_nelectron mobility (m²/(V·s))
Description
What is this formula?
The Electron Conductivity formula calculates the electrical conductivity contribution produced by electrons in a semiconductor material.
When to use it
Use this formula when analyzing semiconductor conductivity, carrier transport, integrated circuits, or electronic material properties.
Example
An n-type semiconductor has:
q = 1.6×10^-19 C
n = 8×10^21 1/m³
mu_n = 0.14 m²/(V·s)
Formula:
sigma_n = q n mu_n
Substitution:
sigma_n = (1.6×10^-19)(8×10^21)(0.14)
Result:
sigma_n = 179.2 S/m
The electron conductivity is 179.2 S/m.
Applications
Semiconductor physics, integrated circuit design, transistor analysis, electronic materials engineering, and carrier transport analysis.