1 files changed, 14 insertions, 0 deletions
diff --git a/377/CH9/EX9.9/9_9.sce b/377/CH9/EX9.9/9_9.sce
new file mode 100644
index 000000000..052cec22d
--- /dev/null
+++ b/377/CH9/EX9.9/9_9.sce
@@ -0,0 +1,14 @@
+disp("Vbi=φm-((K*T/q)*log(Nc/n))");
+a=0.72;  //say φm=a
+b=0.0259;  //say b=K*T/q
+Nc=3.22*10^19;
+n=10^15;
+Vbi=a-(b*log(Nc/n));
+printf('\n The value of Vbi is %fV',Vbi);
+disp("W=sqrt(2*Єs*(Vbi-V)/(q*Nd))");
+c=11.9*8.854*10^-14;
+V=0;
+q=1.6*10^-19;
+Nd=10^15;
+W=sqrt(2*c*(Vbi-V)/(q*Nd));
+printf('\n The value of W is %f*10^-5 cm',W*10^5);
+\ No newline at end of file