From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 3492/CH5/EX5.7/Ex5_7.sce | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 3492/CH5/EX5.7/Ex5_7.sce

(limited to '3492/CH5/EX5.7')

diff --git a/3492/CH5/EX5.7/Ex5_7.sce b/3492/CH5/EX5.7/Ex5_7.sce
new file mode 100644
index 000000000..549cdc666
--- /dev/null
+++ b/3492/CH5/EX5.7/Ex5_7.sce
@@ -0,0 +1,19 @@
+clc
+//Chapter5
+//Ex_7
+//Given
+Nd=10^15 //in cm^-3
+Nc=2.8*10^19 //in cm^-3
+Ti=556 // in Kelvin
+k=8.62*10^-5 //in eV/K
+delta_E=0.045 //in eV
+T=300 //in kelvin
+//part(a)
+disp("From fig 5.16 the estimated temperature above which the si sample behaves as if intrinsic is 556 Kelvin")
+//part(b)
+Ts=delta_E/(k*log(Nc/(2*Nd)))
+Nc_Ts=Nc*(Ts/T)^(3/2)
+disp(Ts,"Lowest temperature in kelvin is")
+//the improved temperature 
+Ts=delta_E/(k*log(Nc_Ts/(2*Nd)))
+printf("Extrinsic range of Si is %f K to 556 K",Ts)
-- 
cgit