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-rw-r--r--3636/CH5/EX5.4/Ex5_4.sce15
-rw-r--r--3636/CH5/EX5.4/Ex5_4.txt1
2 files changed, 16 insertions, 0 deletions
diff --git a/3636/CH5/EX5.4/Ex5_4.sce b/3636/CH5/EX5.4/Ex5_4.sce
new file mode 100644
index 000000000..f0c6e42a9
--- /dev/null
+++ b/3636/CH5/EX5.4/Ex5_4.sce
@@ -0,0 +1,15 @@
+clc;
+clear;
+Na=5*10^18 //doping densities in cm^-3
+Nd=5*10^15 //in cm^-3
+ni=1.5*10^10 //in cm^-3
+VR=4 //voltage in V
+epsilon_s=11.7 //in F/cm
+epsilon_0=8.85*10^-14 //in F/cm
+Vbi=0.838 //built-in potential in V
+e=1.6*10^-19 //in J
+
+//Calculation
+W=((2*epsilon_s*epsilon_0*(Vbi+VR)*(Na+Nd))/(e*Na*Nd))^0.5
+
+mprintf("Total space-charge width= %1.2e cm",W)
diff --git a/3636/CH5/EX5.4/Ex5_4.txt b/3636/CH5/EX5.4/Ex5_4.txt
new file mode 100644
index 000000000..ad55f2430
--- /dev/null
+++ b/3636/CH5/EX5.4/Ex5_4.txt
@@ -0,0 +1 @@
+ Total space-charge width= 1.12e-04 cm \ No newline at end of file