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 --- 3401/CH4/EX4.1/Ex4_1.sce | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100755 3401/CH4/EX4.1/Ex4_1.sce (limited to '3401/CH4/EX4.1/Ex4_1.sce') diff --git a/3401/CH4/EX4.1/Ex4_1.sce b/3401/CH4/EX4.1/Ex4_1.sce new file mode 100755 index 000000000..ed6e6fe84 --- /dev/null +++ b/3401/CH4/EX4.1/Ex4_1.sce @@ -0,0 +1,16 @@ +clc + +T=300 //K +Nc=2.8*10^19 //cm^-3 +k=8.617 *10^-5 //eV K^-1 +//E=Ec +//a=Ec-Ef +a=-0.25 +//fF(E)=1/(1+exp(Ec-Ef/kT)) =exp(-(Ec-Ef)/kT) +//b=k*T +//disp(b) +c=k*T +fFE=exp(a/c) +disp(fFE,"fF(E) value is=") +n0=Nc*exp(-a/(k*T)) +disp(n0,"n0 value in cm^-3 is") -- cgit