Chapter 5: Carrier Transport Phenomena - FKE
Chapter 5: Carrier Transport Phenomena - FKE
Chapter 5: Carrier Transport Phenomena - FKE
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Microelectronics I<br />
Consider that electric field, E is limited to 100 V/cm. Then the length of the<br />
resistor, L is<br />
L<br />
V<br />
E<br />
5 −2<br />
= = 5×<br />
10<br />
100<br />
The conductivity, σ of the semiconductor is<br />
=<br />
cm<br />
L<br />
σ = =<br />
cm<br />
RA 10 × 10<br />
−2<br />
5× 10<br />
−1<br />
= 0.<br />
5(<br />
Ω )<br />
4 −5<br />
The conductivity of the compensated p-type semiconductor is<br />
σ ≈ eµ p = eµ<br />
−<br />
p<br />
p ( Na<br />
Nd<br />
Here, the mobility is function of total ionized impurity concentration Na+Nd<br />
)
Change language