From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001 From: prashantsinalkar Date: Tue, 10 Oct 2017 12:27:19 +0530 Subject: initial commit / add all books --- 377/CH14/EX14.1/14_1.sce | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 377/CH14/EX14.1/14_1.sce (limited to '377/CH14/EX14.1/14_1.sce') diff --git a/377/CH14/EX14.1/14_1.sce b/377/CH14/EX14.1/14_1.sce new file mode 100644 index 000000000..6d27e956f --- /dev/null +++ b/377/CH14/EX14.1/14_1.sce @@ -0,0 +1,30 @@ +disp("φs=χsi+Eg+(Ev-Ef)"); +k=0.026; //say k=K*T/q +p=7*10^14; +Nv=3.08*10^19; +a=4.05; //say a=χsi +b=1.125; //say b=Eg +c=k*log(p/Nv); //say c=Ev-Ef +printf('\n The value of Ev-Ef is %fV',c); +d=a+b+c; //say d=φs +printf('\n The value of φs is %fV\n',d); +disp("φms=φm-φs"); +f=4.05; //say f=φm +g=f-d; //say g=φms +printf('\n The value of φms is %1.2fV\n',g); +eox=3.9*8.854*10^-14; //say eox=Єox +dox=200*10^-7; +cox=eox/dox; +printf('\n The oxide capacitance per unit area is %f*10^-8F/cm^2',cox*10^8); +printf('\n The value of flat band voltage is %1.2fV\n',g); +disp("Ld=sqrt(Є*Vt/(q*Na));"); +e=11.7*8.854*10^-14; +Vt=0.025852; +q=1.6*10^-19; +Na=7*10^14; +Ld=sqrt(e*Vt/(q*Na)); +printf('\n The value of Ld is %f*10^-5cm\n',Ld*10^5); +esi=11.7*8.854*10^-14; +Cfb=1/((dox/eox)+(Ld/esi)); +printf('\n The capacitance per unit area at the flat band condition is %f*10^-8F/cm^2\n',Cfb*10^8); +printf('\n The capacitance per unit area for deep accumulation of majority carriers Caccum=%f*10^-8F/cm^2',cox*10^8); \ No newline at end of file -- cgit