3.12 Both the carrier mobility and the diffusivity decrease as the doping concentration of silicon is increased. Table
P3. 12 provides a few data points for $\mu_n$, $\mu_p$, $D_n$, and $D_p$ versus doping concentration at room temperature. Use the
Einstein relationship to find the missing values.
Table P3.12
Doping Concentration (carriers/cm³)
$\mu_n$ (cm²/V\cdot s)
$\mu_p$ (cm²/V\cdot s)
$D_n$ (cm²/s)
$D_p$ (cm²/s)
Intrinsic
1350
480
$10^{16}$
1200
400
$10^{17}$
20
7
$10^{18}$
10
4