diff options
Diffstat (limited to '3669/CH8/EX8.7/7.sce')
-rw-r--r-- | 3669/CH8/EX8.7/7.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/3669/CH8/EX8.7/7.sce b/3669/CH8/EX8.7/7.sce new file mode 100644 index 000000000..83acd4f35 --- /dev/null +++ b/3669/CH8/EX8.7/7.sce @@ -0,0 +1,17 @@ +
+//Variable declaration
+mewe=0.135; //mobility of electrons(m**2/Vs)
+mewh=0.048; //mobility of holes(m**2/Vs)
+e=1.6*10**-19;
+ni=1.5*10**16; //intrinsic concentration(per m**3)
+Nd=10**23; //doping concentration(per m**3)
+
+//Calculation
+sigma=ni*e*(mewe+mewh); //conductivity(per ohm m)
+p=ni**2/Nd; //hole concentration(per m**3)
+sigman=Nd*e*mewe; //conductivity(per ohm m)
+
+//Result
+printf('conductivity is %0.3f *10**-3 per ohm m \n',(sigma*10**3))
+printf('hole concentration is %0.3f *10**9 per m**3 \n',p/10**9)
+printf('conductivity is %0.3f *10**3 per ohm m \n',sigman/10**3)
\ No newline at end of file |